Total 3,233 java developer job vacancies in Information Technology category in Singapore

Responsibilities

• Broad experience in designing, programming, and implementing large distributed systems with microservices.
• Deep understanding of Application, Infrastructure and security architecture and non-functional aspects like Performance, Scalability, Reliability, Availability etc.
• Translate functional requirements to design.
• Work with technical SMEs to understand their requirements and ensure these are met.
• Define best practices and standards for the microservice implementation.
• Identify and define implementation patterns.
• Lead activities to build accelerators and tools to increase the quality of deliverables.
• Evaluates industry technologies to shape design of services in consideration of cost, portability, compatibility, or usability factors.
• Identifies and makes appropriate changes to technologies, integrated platforms, and systems to meet customer and operational requirements.
• Continuously seeks to more efficiently manage and utilize technology, platforms, and systems.
• Highlights design risks, provide alternative options and recommend quality solution to specified problem.

Essential Requirements (Skills Requirements)

• Bachelor’s degree in Computer Science.
• 7+ years of technical experience within architecture development, integration of backend systems and development.
• Strong Hands–on experience in developing applications using Java/J2EE, with Spring boot framework knowledge and experience.
• Deep knowledge of SOA, Architecture and Design on Microservices, REST Services and Soap Services Development.
• Experience in core java fundamentals, Java 8+, Spring, Springboot, testing framework Junit, Cucumber.
• Strong hands-on with design patterns, clean code.
• Strong hands-on in Java Microservices (Springboot) Restful APIs and Soap Services.
• Experience in designing and coding scalable Microservices.
• Experience with middleware/messaging technologies such as MQ, JMS, Kafka and exposure to event-driven design patterns.
• Experience in Spring Cloud.
• Experience in Azure Kubernetes Service(AKS).
• Experience in configuring and implementing Azure Open Service Mesh for Pod to Pod communication.
• Experience in API Management using Azure API Gateway(APIM).
• Experience in writing deployment pipelines to deploy Java microservices in Kubernetes.
• Strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines.
• Demonstrated knowledge of OAuth token-based authentication protocol.
• Demonstrated knowledge of PCI and Security Coding Standards.
• Experience with MSSQL, data modelling, query development and performance optimization.

GOOD TO HAVE

• Experience in migrating TIBCO services to spring boot microservices.
• Experience in gaming and Hospitality industry would be an advantage.

Technical / Professional Skills

• Spring Boot, Java/J2EE,SOA,REST and Soap Services, Microservices.

Non-Technical / Soft Skills

• Problem solving skills and ability to work under pressure.
• Good command of English, both written and spoken.

At least 6 years of web-based enterprise application development experience using Java Technologies.

Working experience in Object-Oriented Analysis and Design.

Java programming experience in one or more of the following operating systems:

- Windows

- Unix (Solaris)

- Linux

Proficiency in the following:

Java Enterprise Edition or Spring or equivalent.

Development of Web-based applications using UI frameworks such as Angular/AngularJS, JQuery, Struts, or equivalent.

Development of application using Persistence frameworks such as Hibernate, JPA, or equivalent.

Development of Web services, Restful services, or equivalent.

Relational Databases like DB2, SQL Server, Oracle.

Using tools for testing.

IDE such as Eclipse, JDeveloper, Netbeans, or equivalent.

Spring framework.

Working experience in using the following:

- Application Servers like Websphere, Weblogic, or equivalent.

- Webserver like Apache Webserver, Microsoft IIS, or equivalent.

- Able to work independently in gathering requirements from users, translating them into system specifications, designing, testing, implementing, maintaining application systems

- Working experience in the followings:

- Integration with Mainframe system

- Messaging system (eg. IBM MQ)

- Document or Content management system

- Responsive Web Design

- Service-Oriented Architecture

- Rules Engines

- Performance testing and related tools

- Primefaces, Hibernate, Spring Batch, Jmeter

- Working experience in one or more of the following standards:

- Web (HTML/CSS)

- Extensible Markup Language (XML)

- Service Component Architecture (SCA)

- Angular

- React

- Working experience in COBOL, CICS, DB2

By submitting any application or résumé to us, you will be deemed to have agreed and consented to us disclosing your personal information to prospective employers for their consideration.

We regret to inform you that only shortlisted candidates will be notified. All applications will be treated with the strictest confidence.

Main Responsibilities:

• Study, evaluate, understand and provide feedback on functional specifications
• Develop solutions following defined standards and high quality
• Provide detailed estimation for development of solutions
• Implement solutions using TDD
• Implement BDD for the features
• Perform non-functional testing
• Perform design and code review for other team members
• Prepare documentation for design and implementation
• Enable and support functional and user acceptance testing
• Support applications in production - analyze and resolve issues as they arise
• Work with various technical/functional teams to ensure proper delivery
• Maintain lessons learnt, release post mortem outcomes and convert them into best practices
• Automation approach or suggest automation as and when applicable
• Be in the forefront of communications and having good relationship with any stakeholder involved

Qualifications and Profile:

• Minimum 8 years in Java/J2EE development is required.

Must Have:

• Solution design using proven patterns, awareness of anti-patterns, performance tuning
• Java/J2EE, Spring,AngularJS, Spring MVC/Struts, Multi-threading, Restful web services , Swagger, JMS/WebSphere MQ, Java script, JQuery, XML, XSLT, Xpath, XSD
• Docker/Kubernete, Kafka, Spark, Mongo DB
• A strong understanding of recent Java language features, such as lambdas, streams, and futures
• Relational databases – MSSQL, Oracle, PostgreSQL
• Source management – SVN/GIT, TDD using Junit, DBUnit, Jira/QC.
• Application server – Jboss/WildFly/ Websphere
• Well experienced and having good understanding on SQL language,
• Well experienced and having good understanding on Unix/Linux Shell Scripting,
• Having experience with JIRA, Confluence, Maven, GitLab, Jenkins, SonarQube and other deployment tools.
• Having exposure to DevOps and DevOps tools.
• Knowledge on implementing solutions on the Cloud, preferably AWS.

Role:

An experience Software Development Lead to work with the software team in architecting, designing, implementing and maintaining turnkey software applications.

Key Responsibilities:

• To interpret business requirements into technical solutions.
• Participate in projects involving many cross-functional resources and be familiar with the applications, infrastructure and security technologies.

Requirements:

• Bachelor’s degree in Computer Science/ Software Engineering.
• Good Knowledge in systems analysis, design and development, software development lifecycle, Application support and maintenance.
• Good working experience in eliciting requirements, modeling business processes, data requirements and software development.
• Must have minimum 5 years of solid hands-on JAVA Application development experience with in-depth competency of the following:

a) HTML5, Javascript and React-JS

b) Java and Springboot development

c) Database: MySQL, SQL Server or Oracle

d) Rest and SOAP protocals

e) Others: Jasper Report, OAuth2, JWT

• Able to write design specifications and technical documents.
• Strong problem solving skills.
• Excellent inter-personal skills - possessed the personality to build good relationship with external customers and colleagues.
• A good team player and possess the leadership qualities to lead the IT team.
• Self-motivated, result-oriented, organised and ability to work independently with priorities.

Workplace: Ang Mo Kio

Job Desciption:

• Execute full software development lifecycle
• Develop existing programs by analyzing and identifying areas for modification
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document, write operational documentation and maintain software functionality
• Deploy programs and evaluate feedback
• Comply with project plans
• Maintain and improve existing codebases and peer review code changes
• Provide a detailed level of technical assistance to the customers
• Support customers by responding within the designated SLA
• Investigate and troubleshoot issues, developing solutions for customers while understanding their needs
• Perform impact analysis and coordinate implementation
• Carry out routine maintenance work
• Troubleshoot, debug and upgrade existing systems
• Maintain systems by monitoring and correcting software defects

Requirements:

• Ability to document requirements and specifications
• Proficiency in troubleshooting software issues and debugging a large codebase
• Proficent in Java development

To Apply or find out more information on this role, please email us or send in your updated resume to: [email protected]

Shelly Tan Bee Leng (Reg. No. R2199458)

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)

Presently we have a Job Opening for a IT Application Support-Java

Key Responsibilities:

• Collaborate with business analysts and other stakeholders to gather and analyze requirements.

• Write clean, efficient, and well-documented code following best practices and coding standards.

• Perform unit testing and debugging to ensure the quality and functionality of the applications.

• Participate in code reviews and provide constructive feedback to team members.

• Troubleshoot and resolve issues related to Java applications.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.

• Proven experience as a Java Programmer

• Proficiency in Java programming language and development tools.

• Strong knowledge of object-oriented programming (OOP) principles.

• Experience with Java frameworks such as Spring, Hibernate, or Struts.

• Familiarity with web technologies such as HTML, CSS, JavaScript, and RESTful APIs.

• Knowledge of database technologies such as SQL, Oracle, or MySQL.

Responsibilities

• Broad experience in designing, programming, and implementing large distributed systems with microservices.
• Deep understanding of Application, Infrastructure and security architecture and non-functional aspects like Performance, Scalability, Reliability, Availability etc.
• Define best practices and standards for the microservice implementation.
• Lead activities to build accelerators and tools to increase the quality of deliverables.
• Evaluates industry technologies to shape design of services in consideration of cost, portability, compatibility, or usability factors.
• Identifies and makes appropriate changes to technologies, integrated platforms, and systems to meet customer and operational requirements.

Skills/Requirement

• Bachelor’s degree an12+ years of technical experience within architecture development, integration of backend systems and development. Strong Hands–on experience in developing applications using Java/J2EE, with Spring boot framework knowledge and experience.
• Deep knowledge of SOA, Architecture and Design on Micro services, REST Services and Soap Services Development.
• Experience in core java fundamentals, Java 8+, Spring, Spring boot, testing framework Junit, Cucumber.
• Strong hands-on with design patterns, clean code.
• Strong hands-on in Java Microservices (Springboot) Restful APIs and Soap Services.
• Experience in designing and coding scalable Microservices.
• Experience with middleware/messaging technologies such as MQ, JMS, Kafka and exposure to event-driven design patterns.
• Experience in Spring Cloud.
• Experience in Azure Kubernetes Service(AKS).
• Experience in configuring and implementing Azure Open Service Mesh for Pod to Pod communication.
• Experience in API Management using Azure API Gateway(APIM).
• Experience in writing deployment pipelines to deploy Java microservices in Kubernetes.
• Strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines.

Interested candidates, who wish to apply for the above position, please send in your resume to: [email protected]

PERSOLKELLY Singapore Pte Ltd EA License No. 01C4394 EA Reg No: R23118975 (ABDUL RAHMAN ANSARI RAJA)

We regret to inform you that only shortlisted candidates will be contacted.

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Key Responsibilities:

Application Support:

• Provide second and third-level support for Java-based applications.
• Diagnose and resolve technical issues in a timely and efficient manner.
• Monitor application performance and ensure system availability and reliability. Tools usage and scripting would be added advantage.

Troubleshooting:

• Analyze, identify, and resolve complex software issues.
• Debug and troubleshoot Java code to fix defects and performance issues.
• Utilize logs, monitoring tools, and other diagnostic methods to identify root causes.

Collaboration:

• Work closely with development teams to understand application functionalities and dependencies.
• Collaborate with cross-functional teams, including QA, DevOps, and Product Management, to resolve issues and improve applications.
• Communicate effectively with customers and stakeholders to provide updates and resolutions.

Development and Maintenance:

• Participate in the development and deployment of application updates and enhancements.
• Write and maintain documentation for application support processes and procedures.
• Contribute to continuous improvement initiatives to enhance application support and performance.

Incident and Problem Management:

• Manage and prioritize incident tickets and service requests.
• Escalate critical issues to appropriate teams and ensure timely resolution.
• Conduct root cause analysis and provide recommendations for preventing future incidents.
• Any other ad-hoc duties as assigned by supervisor.

Qualifications:

• Education: Bachelor’s degree in computer science, Information Technology, or a related field.
• Experience: Minimum of 5 years of experience in Java development and application support.
• Technical Skills:
  • Proficiency in Java and Java EE technologies.
  • Understanding of web technologies (HTML, CSS, JavaScript) and frameworks (Spring, Hibernate).
  • Experience with databases (SQL, Oracle, MySQL) and writing complex queries.
  • Familiarity with version control systems (Git, SVN).
  • Knowledge of application servers (Tomcat, JBoss, WebLogic) would be advantage.
  • Experience with monitoring tools and logging frameworks.

Interested applicants, please email your resume to Andre Chua Jing Ming

Email: [email protected]

CEI Reg No: R1989053

EA Licence No: 99C4599

Recruit Express Pte Ltd

Scope of Work

Work in the development team to:

• Maintain and enhance the application which includes implementing new enhancements to the applications, troubleshoot live issues to identify causes of the problems, and providing workable solutions to fix the issues.

• Design and develop the application according to the specifications provided.

• Perform design, programming, integration, system testing, assist users in User Acceptance Test (UAT), and documentation in compliance with Quality Management System.

• See-through all enhancements and fixes to ensure they are properly deployed to the testing and live environment within the agreed time. That includes working with the end-users, server administrators, database administrators, and system analysts supporting the IT systems.

Critical Requirements

• a) Must have at least 3 years of good working knowledge in the following areas:

• J2EE, Struts, Weblogic

• JSP, JavaScript, JQuery, AJAX/JSON

• Oracle 12C and Oracle 11g R2, PL/SQL

• ALM

• b) Must have good communication skills and the ability to:

• Understand and communicate in English, in speech, and in writing.

• Work with other members in a dynamic and fast-moving team.

• Work independently with minimum supervision.

Other Requirements

It will be advantageous to have good working knowledge in the following areas:

• Development experience using Azure App Services, Spring Cloud, Tomcat, MS SQL, Azure DevOps

• Spring MVC, Hibernate

By submitting any application or résumé to us, you will be deemed to have agreed and consented to us disclosing your personal information to prospective employers for their consideration.

We regret to inform you that only shortlisted candidates will be notified. All applications will be treated with the strictest confidence.

We are looking for a Software Engineer proficient in Java/ SpringBoot.

• Work on the latest Web3.0 technologies and gain exposure to the FinTech Industry.
• Salary package up to $7,000 + AWS + VB (~2 months).
• Hybrid work arrangement.

Responsibilities:

• Develop, test, deploy, and maintain business applications and systems integrations..
• Collaborate with other software engineers, business analysts and software architects to plan, design, develop, test, and maintain business applications built.
• Ensure best practices are used throughout the software development life cycle.
• Understand the inter-dependencies of the services (application, system and database) and able to pin-point problem areas accurately to improve overall efficiency.
• Adhere to high-quality development principles while delivering solutions on-time.

Requirements:

• Degree in Computer Science or equivalent.
• Experience developing web application, Web Forms, micro services and Enterprise Workflows for the FinTech industry.
• Exposure and experience in working with cloud solution delivery.
• Min. 3 years experience in systems analysis, design, programming with knowledge of Java/J2EE, JSP, JSF, Spring Framework (Security, MVC, Cloud, Boot).

Interested candidates may click on apply or apply via email to [email protected] (indicating Job ID J51303 for faster processing).

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec’s Privacy Policy (scientecconsulting.com/privacy-policy).

This authorizes us to:

• Contact you about potential opportunities.
• Delete personal data not required at this application stage.
• To withdraw consent, email [email protected].

All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Lee Wen Ying (Mattias) - R23112909

ScienTec Consulting Pte Ltd - 11C5781

Workplace: Ang Mo Kio

Job Desciption:

• Execute full software development lifecycle
• Develop existing programs by analyzing and identifying areas for modification
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document, write operational documentation and maintain software functionality
• Deploy programs and evaluate feedback
• Comply with project plans
• Maintain and improve existing codebases and peer review code changes
• Provide a detailed level of technical assistance to the customers
• Support customers by responding within the designated SLA
• Investigate and troubleshoot issues, developing solutions for customers while understanding their needs
• Perform impact analysis and coordinate implementation
• Carry out routine maintenance work
• Troubleshoot, debug and upgrade existing systems
• Maintain systems by monitoring and correcting software defects

Requirements:

• Ability to document requirements and specifications
• Proficiency in troubleshooting software issues and debugging a large codebase
• Proficent in Java development

To Apply or find out more information on this role, please email us or send in your updated resume to: [email protected]

Shelly Tan Bee Leng (Reg. No. R2199458)

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)

Job Description:

Technical/Team Lead (Java) – Support (L3)

Job Summary:

We are looking for a proactive and dynamic professional to join our Application L3 team who can guide the team to troubleshoot production issues, provide technical solutions, provide maintenance and support for a mission critical system.

Job Description:

We are looking for an experienced Java Technical (Tech/Team) Lead to be responsible for identifying the issues, providing solutions for technical issues which arise from the product delivered. To be successful as a Java Tech/Team Lead, you should demonstrate sound knowledge of industry best practices, good organizational and leadership skills, and proficiency in JAVA technologies. Ultimately, the Java Tech/Team Lead should possess good analytical skills, the ability to anticipate issues and frame remedial actions, and excellent teamwork skills.

Roles and Responsibilities:

• Investigate on the issues reported by Application Support (L2) and provide workaround and/or permanent solution.
• Workaround solution includes but not limited to: data patch, shell scripting, PL/SQL scripting etc.
• Permanent solution includes code change, workflow change etc.
• Trouble shooting involves, simulation of the issue, going through various logs, working with the application team and with the infra team.
• Should possess good people management skills such as managing the team, task allocation, mentoring, monitoring, motivating the team etc.
• Support continuous improvement throughout the development life cycle of enterprise level software solutions. This includes enhancing / maintaining of software applications.
• Create and maintain documentation for software design specifications.
• Perform Unit Testing, Integrated Testing and troubleshooting of software application issues.
• Reviewing the work of other team members with feedback for improvement (if applicable)
• Using coding standards and best practices to ensure quality deliverables
• Contribute as a team member to an operational, integration or application architecture requirements, design, implementation, or on-going operations deliverables

Requirements:

• Candidate must possess at least a Diploma/Degree in Computing/Information Technology or equivalent
• At least 5 years of development experience in Java
• Experience in performing production support
• Experience in Spring/Spring Boot framework
• Experience in relational databases such as Oracle and MySQL
• Experience in implementing web services such as SOAP and RESTful web services
• Experience in frontend frameworks such as Angular, Struts, jQuery and Bootstrap
• Experience in batch processing implementations
• Have implemented some form of custom frameworks such as security and validations
• Have some team leading experience
• Good verbal and written communication skills
• Advanced understanding of modern software development methodologies
• Advanced understanding of software testing methodologies, scripting and tools
• Minimum experience of three or more full SDLC for web application projects
• Ability to work effectively in a team and with client

Good to have:

• Experience in Agile development environments
• Experience in DevOps toolchains
• Experience in container platforms such as Docker and Kubernetes
• Experience in messaging platforms such as Kafka and IBM MQ
• Experience in Application Servers configurations like WebSphere and WebLogic will be an advantage
• Experience in software testing tools such as Selenium, Karate, Microfocus UFT and Katalon

Primary Responsibilities:

• To interpret business requirements into technical solutions.

• Participates in projects involving many cross-functional resources and be familiar with the applications, infrastructure and security technologies.

Job Knowledge/Skills:

• A bachelor’s degree in computer science/ software engineering, with knowledge in systems analysis, design and development, software development lifecycle, Application support and maintenance.

• Good experience in eliciting requirements, modeling business processes, data requirements and software development.

• MUST have Min 5 years of solid hands-on JAVA Application development experience with in-depth competency of the following:

• HTML5, Javascript and React-JS

• Java and Springboot development

• Database: MySQL, SQL Server or Oracle

• Rest and SOAP protocals

• Others: Jasper Report, OAuth2, JWT

• Minimum 8 years in Java/J2EE development is required.

• Solution design using proven patterns, awareness of anti-patterns, performance tuning

• Java/J2EE, Spring,AngularJS, Spring MVC/Struts, Multi-threading, Restful web services , Swagger, JMS/WebSphere MQ, Java script, JQuery, XML, XSLT, Xpath, XSD

• Docker/Kubernete, Kafka, Spark, Mongo DB

• A strong understanding of recent Java language features, such as lambdas, streams, and futures

• Relational databases – MSSQL, Oracle, PostgreSQL

• Source management – SVN/GIT, TDD using Junit, DBUnit, Jira/QC.

• Application server – Jboss/WildFly/ Websphere

• Well experienced and having good understanding on SQL language,

• Well experienced and having good understanding on Unix/Linux Shell Scripting,

• Having experience with JIRA, Confluence, Maven, GitLab, Jenkins, SonarQube and other deployment tools.

• Having exposure to DevOps and DevOps tools.

• Knowledge on implementing solutions on the Cloud, preferably AWS.

Responsibilities

• Provide second and third-level application support for Java-based applications.
• Monitor application performance and ensure system availability and reliability. Tools usage and scripting would be added advantage.
• Troubleshooting: Analyze, identify, and resolve complex software issues.
• Participate in the development and deployment of application updates and enhancements.
• Manage and prioritize incident tickets and service requests.
• Any other ad-hoc duties as assigned by supervisor.

Requirements

• Minimum of 5 years of experience in Java development and application support
• Proficiency in Java and Java EE technologies
• Experience with databases (SQL, Oracle, MySQL) and writing complex queries.
  • Familiarity with version control systems (Git, SVN).
  • Knowledge of application servers (Tomcat, JBoss, WebLogic) would be advantage.
  • Experience with monitoring tools and logging frameworks.

Interested applicants, please email your resume to Andre Chua Jing Ming

Email: [email protected]

CEI Reg No: R1989053

EA Licence No: 99C4599

Recruit Express Pte Ltd

Job Responsibilities:

• Act as a Technical Subject Matter Expert for the remittance system including Analyse, design, develop, implement and maintenance.
• Work closely with team leader to gather requirements from customer, perform technical impact analysis and estimate effort for development.
• Prepare and update functional and technical documents and prepare test cases.
• Develop and modify the applications according to requirements for the development.
• Conduct peer source code and documentation review.
• Perform unit test and system integration test, support user acceptance test.
• Prepare release procedure and support production implementation.
• Update user manual, system operational manual and other necessary deliverables.
• Troubleshoot issues and problems to provide workarounds.
• Perform root cause analysis and come up with preventive measures.
• All other duties and tasks as assigned

Job Requirements:

• Bachelor’s degree in Computer Science, Computer Engineering, Information Systems or equivalent fields
• Min. 5 years' experience in software development using Java technologies, preferably with Spring Framework and J2EE experience
• Min. 1 year's experience in stored procedure related development, preferably with Oracle PLSQL experience
• Experience in working in a complex matrix organization
• Good knowledge in SDLC methodologies (waterfall)
• Good presentation, communication and coordination skills
• Ability to contribute individually and collaborate well in a team.
• Strong sense of accountability and ownership.
• Responds with speed and flexibility.
• Banking and finance domain knowledge will be an added advantage.

To apply, please visit www.gmprecruit.com and search for Job Reference: 24573

To learn more about this opportunity, please contact Gia Grace at [email protected]

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA License: 11C3793 | EA Personnel: Bautista Gia Grace De Guzman | Registration No: R23111973

Responsibilities:

• The design, development and implementation of applications related changes to agreed timeframes and standards.

• Responsible for peer code reviews to ensure the quality of the code deployed in the NEMS systems.

• Working closely with the Applications team and internal business users to ensure changes are developed in a way that that provides maximum benefit to the company, in a cost-effective, secured and operationally “risk-free” manner.

• Providing assessments on the impact and risk of potential changes to the systems and the business as a whole.

• Creation of concise detailed system specifications for changes that solve business needs and implementing changes to these agreed specifications.

• Following strict change control and version control processes to ensure quality changes are implemented in an auditable manner.

• Be outspoken in providing “best practise” recommendations.

• Proactively suggest ways to reduce operational overhead by “streamlining” manual tasks into automated procedures.

• Providing application support to the Operations team whenever necessary.

Requirements:

• Degree (IT) or Equivalent Formal Training.

• Strong applications development experience with at least 8 years of development work experience with the following tools and technologies:

o J2EE, Java, PrimeFaces, JSP, Servlets, JMS, Angular, SpringBoot, PL/SQL, java Microservice, REST API, XML, XSL, EJB, Struts, Hibernate, J2EE Design Patterns, Java Security, Oracle DB19C, Oracle Weblogic / DB11g and 12C, JBoss EAP 7.0 Eclipse, Container based architecture

• Experience on Applications security throughout the development lifecycle and ability to enhance applications to meet the security best practices.

• Highly motivated to provide complete solutions to customers. Being able to talk to users and understand their requirements is essential.

• The ability to manage oneself during projects from start to finish, throughout the whole development lifecycle.

• Experience with software configuration management principles and systems.

• Experience with test methodologies and tools.

• Experience with implementing medium to large scale projects. (i.e. project that span across at least 6 calendar months with at least 2 full developers and above)

Interested candidate please click "APPLY" to begin your job search journey and submit your CV directly through the official PERSOLKELLY job application platform - GO Mobile.

We regret to inform that only shortlisted candidates will be notified.
By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persolkelly.com.sg/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy.

PERSOLKELLY Singapore Pte Ltd
• RCB No. 200007268E • EA License No. 01C4394
• <R21100074> <Cheryl Thng Wei Lin>

Responsible to manage system development, implementation and support of EAI applications, including:

• Gather and analyze requirements
• Involved in design and development stage
• Involved in unit testing as well as system integrated testing
• Provide production and UAT support
• System infra setup, application deployment, automation.
• Plan, prepare, and execute system rollout and implementations.

Key Requirements:

• Min 8+years hands on experience in Java and C++ programming.
• Working experience on Solaris platform is highly preferred.
• Experience and knowledge with JAVA Developement
• Familiar with SDLC process and experience on change management tools, such as IBM CLEARCASE, CVS, Aldon
• Experience on Autosys, batch scheduling/processing and AS400
• Good interpersonal and communication skills
• Able to work in shifts.

JOB DESCRIPTION:

1. Expert-level knowledge of Java/J2EE/React.js technologies
2. Strong understanding of full-stack architecture and design principles
3. Proficiency in Spring Boot and RESTful API development
4. Advanced experience with state management in React (e.g., Redux, Context API)
5. Good understanding in modern JavaScript (ES6+) and TypeScript
6. Solid understanding of Java application servers and ORM frameworks
7. Proficiency in build tools (e.g., Maven, Gradle, Webpack) and version control systems (e.g., Git)
8. Experience with CI/CD tools and practices
9. Strong knowledge of database technologies (SQL and NoSQL)
10. Familiarity with cloud platforms, preferably AWS or Azure
11. Experience with microservices architecture
12. Knowledge of containerization and orchestration tools (Docker, Kubernetes)
13. Understanding of GraphQL and server-side rendering
14. Proven experience in enterprise architecture and system design
15. Strong analytical and problem-solving skills
16. Excellent communication and presentation abilities
17. Leadership experience in managing and mentoring technical teams

Job Responsibilities:

1. Responsible for designing overall solutions for core systems in projects, including application and technical architecture.
2. Develop system interfaces, standards, and core module code for relevant domains.
3. Address technical challenges and continuously optimize systems from an architectural perspective.
4. Review technical solutions and code to ensure the implementation of architectural designs.
5. Fully participate in the development process and take responsibility for delivery outcomes.
6. Assist technical leads in guiding and training developers, identifying team bottlenecks, and enhancing team technical capabilities.

Job Requirements:

1. Bachelor's degree or above in Computer Software or a related field, with over 8 years of relevant work experience; must have at least 5 years of architecture design experience in one of the following fields: finance, Web3, or risk control. Familiarity with cryptocurrency-related business is preferred.
2. In-depth research experience in Java core libraries, such as Java 17 and Java 21, with expertise in multithreading, networking, virtual threads, large-scale distributed systems, handling big data, high concurrency, high load, and high availability.
3. Familiarity with common Java ecosystem components and their design principles, such as Dubbo, Netty, Spring Boot, SOFABoot, MyBatis, etc.; understanding protocols like Raft and FIX is preferred.
4. Strong familiarity with Linux operating systems, including file systems, locking mechanisms, and network programming; deep understanding of virtual machine principles and implementations, with strong troubleshooting skills for complex technical issues.
5. Proficient in designing and applying distributed systems, with a solid understanding of mechanisms such as distributed systems, caching, and messaging. Expertise in microservices, database partitioning, distributed transactions, and middleware tools like MySQL, Redis, MongoDB, Kafka, and Elasticsearch.
6. Skilled in service performance analysis and optimization, along with the use of related tools.

In an effort to complement our software development initiative, we are looking for a Senior Java Software Engineer for the design and implementation of back-end applications. It is for a financial industry player with a global presence.

Responsibilities

• Design and implement Java application with Spring boot
• Write clean, sleek, test-driven, modular, and highly reusable code and maintain configurations
• Manage deployment and product life cycle in AWS
• Automate the build, test, and deployment

Skills & Qualifications

[Mandatory]

• Deep knowledge of Java 8, 11
• Good experience in Java Spring Boot framework
• Good understanding of RESTful web services
• Able to deploy products in AWS
• Experience in all levels of testing
• Strong and proven skills in problem-solving and writing efficient code
• Banking/financial industry software development experience

[Advantageous]

• A full stack development experience with front-end technology e.g. JavaScript, HTML/CSS
• Strong skills in TDD and a good level of understanding of the continuous integration principles
• Understanding and experience in working with the Spring framework including IOC, multithreading, batch processing, and restful services integration in Spring Framework
• Strong development skills in the AWS platform using tools such as Elasticbeanstalk, SQS, SNS, ElasticCache, RDS, Lambda Kinesis, etc.
• Understanding and experience in JPA, Hibernate, and ORM
• Hands-on experience in working with Linux-based deployment environments

Key Responsibilities:

• Broad experience in designing, programming, and implementing large distributed systems with microservices.
• Deep understanding of Application, Infrastructure and security architecture and non-functional aspects like Performance, Scalability, Reliability, Availability etc.
• Translate functional requirements to design.
• Work with development team to make understand project requirements and ensure these are met.
• Define best practices and standards for the web service implementation.
• Identify and define implementation patterns.
• Lead activities to build accelerators and tools to increase the quality of deliverables.
• Evaluates industry technologies to shape design of services in consideration of cost, portability, compatibility, or usability factors.
• Identifies and makes appropriate changes to technologies, integrated platforms, and systems to meet customer and operational requirements.
• Continuously seeks to more efficiently manage and utilize technology, platforms, and systems.
• Highlights design risks, provide alternative options and recommend quality solution to specified problem.
• Good knowledge of CICD.
• Write & review Junit, functional and end-to-end tests.
• Identify and resolve performance and scalability issues.
• Understanding of Operating system like Linux, IBM AIX Server
• Support User acceptance testing and get sign off
• Deploy of web application and web service in UAT & Production
• Write Functional Specification & Technical documents
• Working with version control system - Git or similar systems

Requirements:

• Bachelor’s degree in Computer Science.
• 8+ years of technical experience within architecture development, integration of backend systems and development.
• Strong Hands–on experience in developing applications using Java/J2EE, with JSF, Spring boot framework knowledge and experience.
• Deep knowledge of SOA, Architecture and Design on Microservices, REST Services and Soap Services Development.
• Experience in core java fundamentals, Java 8+, Spring, Springboot, testing framework Junit, Cucumber.
• Strong hands-on with design patterns, clean code.
• Strong hands-on in Java Web service (Springboot) Restful APIs and Soap Services.
• Experience in designing and coding scalable Microservices.
• Strong hand-on on application server like WebSphere, WebLogic or JBOSS.
• Strong hand-on experience on the Database like Oracle, Microsoft SQL Server
• Good Understanding of the Operating system like Linux, IBM AIX Server
• Good documentation skills to write FSD & TSD
• Hand-on on Git or similar systems

Responsibilities

• Broad experience in designing, programming, and implementing large distributed systems with microservices.
• Deep understanding of Application, Infrastructure and security architecture and non-functional aspects like Performance, Scalability, Reliability, Availability etc.
• Translate functional requirements to design.
• Work with technical SMEs to understand their requirements and ensure these are met.
• Define best practices and standards for the microservice implementation.
• Identify and define implementation patterns.
• Lead activities to build accelerators and tools to increase the quality of deliverables.

Essential Requirements (Skills Requirements)

• Bachelor’s degree in Engineering/Compute Science /Information Technology.
• 6-8 years of technical experience within architecture development, integration of backend systems and development.
• Strong Hands–on experience in developing applications using Java/J2EE, with Spring boot framework knowledge and experience.
• Experience in Java 8+, Spring, Spring boot, testing framework Junit, Cucumber.
• Prefer experience working as Full Stack Senior Developer with 2 years minimum hands-on skills in AngularJS and ReacJS.
• Good to have experience in Openshift and Kafka.
• Strong hands-on with design patterns, clean code.
• Experience with middleware/messaging technologies such as MQ, JMS, Kafka and exposure to event-driven design patterns.
• Strong CI/CD understanding and able to deploy microservices in container architecture.
• Demonstrated knowledge of authentication protocol and application security.
• Experience with MSSQL, data modelling, query development and performance optimization.

Responsibilities

• Broad experience in designing, programming, and implementing large distributed systems with microservices.
• Deep understanding of Application, Infrastructure and security architecture and non-functional aspects like Performance, Scalability, Reliability, Availability etc.
• Translate functional requirements to design.
• Work with technical SMEs to understand their requirements and ensure these are met.
• Define best practices and standards for the microservice implementation.
• Identify and define implementation patterns.
• Lead activities to build accelerators and tools to increase the quality of deliverables.
• Evaluates industry technologies to shape design of services in consideration of cost, portability, compatibility, or usability factors.
• Identifies and makes appropriate changes to technologies, integrated platforms, and systems to meet customer and operational requirements.
• Continuously seeks to more efficiently manage and utilize technology, platforms, and systems.
• Highlights design risks, provide alternative options and recommend quality solution to specified problem.

Essential Requirements (Skills Requirements)

• Bachelor’s degree in Computer Science.
• 10+ years of technical experience within architecture development, integration of backend systems and development.
• Strong Hands–on experience in developing applications using Java/J2EE, with Spring boot framework knowledge and experience.
• Deep knowledge of SOA, Architecture and Design on Microservices, REST Services and Soap Services Development.
• Experience in core java fundamentals, Java 8+, Spring, Springboot, testing framework Junit, Cucumber.
• Strong hands-on with design patterns, clean code.
• Strong hands-on in Java Microservices (Springboot) Restful APIs and Soap Services.
• Experience in designing and coding scalable Microservices.
• Experience with middleware/messaging technologies such as MQ, JMS, Kafka and exposure to event-driven design patterns.
• Experience in Spring Cloud.
• Experience in Azure Kubernetes Service(AKS).
• Experience in configuring and implementing Azure Open Service Mesh for Pod to Pod communication.
• Experience in API Management using Azure API Gateway(APIM).
• Experience in writing deployment pipelines to deploy Java microservices in Kubernetes.
• Strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines.
• Demonstrated knowledge of OAuth token-based authentication protocol.
• Demonstrated knowledge of PCI and Security Coding Standards.
• Experience with MSSQL, data modelling, query development and performance optimization.

GOOD TO HAVE

• Experience in migrating TIBCO services to spring boot microservices.
• Experience in gaming and Hospitality industry would be an advantage.

Technical / Professional Skills

• Spring Boot, Java/J2EE,SOA,REST and Soap Services, Microservices.

Non-Technical / Soft Skills

• Problem solving skills and ability to work under pressure.
• Good command of English, both written and spoken.

Job Responsibilities

• Provide Level 1 troubleshooting support and response on incidents.
• Support code review and perform coding when needed.
• Log, escalate and follow through with issues, ensuring that issues are resolved.
• Review and improve our incident management process.
• Periodic reviews and submission of the capacity needs of the business.
• Support and/or drive disaster recovery response drills.
• Deploy new versions of the software.
• Generate reports on the operational workloads, review capacity needs of the business, support and/or drive disaster recovery response drills.

Requirements

• Diploma/Bachelor's Degree in Computer Science or other related discipline.
• 2-5 years of Technical/Application Support experience on various technology platforms.
• Experience in one of the programming languages: Golang/Python/Java.
• Responsible and proactive approach to resolving problems, and being able to have a structured approach to problem-solving.