Total 8 java developer job vacancies in Engineering category in D19 Serangoon Garden, Hougang, Sengkang, Punggol

Job Description:
We are looking for a highly experienced Senior Backend Java Engineer to lead the design and development of backend systems for high-traffic social products. You will play a critical role in system architecture, performance optimization, and mentoring the team to deliver scalable and robust solutions.

Job Responsibilities:

• Responsible for the architecture design and construction of scalable backend systems for social products.
• Design system software architecture, including modules, key components, and interfaces, ensuring high availability and high concurrency.
• Participate in technical planning and architecture reviews, delivering high-quality technical designs.
• Write and review core code, conduct project code reviews, and continuously optimize system performance.
• Troubleshoot and resolve complex bugs and technical challenges throughout the development process.
• Work closely with algorithm teams to implement and adjust real-time algorithm configurations based on business requirements.
• Guide and mentor team members, coordinate development efforts, and resolve technical issues to ensure smooth project execution.

Job Requirements:

• Bachelor’s degree or higher in Computer Science, Software Engineering, or related fields.
• 5+ years of backend development experience, with a strong focus on Java.
• Experience in internet companies is a must, with a strong preference for candidates who have worked at Shopee, TikTok, or similar high-traffic and high-load technology organizations.
• Proficiency in microservices architecture and distributed systems for high-traffic and high-load environments.
• Strong experience with technologies such as: Spring Cloud, Zookeeper, Redis, Kafka, Elasticsearch (including principles, cluster deployment, and optimization).
• Solid understanding of system optimization, concurrency, and horizontal scaling.
• Knowledge of recommendation systems, algorithm engineering, or real-time estimation techniques is a plus.
• Strong communication, teamwork, and project management skills.
• Fluency in English and Chinese for professional communication.

Job Description:
We are looking for a highly experienced Senior Backend Java Engineer to lead the design and development of backend systems for high-traffic social products. You will play a critical role in system architecture, performance optimization, and mentoring the team to deliver scalable and robust solutions.

Job Responsibilities:

• Responsible for the architecture design and construction of scalable backend systems for social products.
• Design system software architecture, including modules, key components, and interfaces, ensuring high availability and high concurrency.
• Participate in technical planning and architecture reviews, delivering high-quality technical designs.
• Write and review core code, conduct project code reviews, and continuously optimize system performance.
• Troubleshoot and resolve complex bugs and technical challenges throughout the development process.
• Work closely with algorithm teams to implement and adjust real-time algorithm configurations based on business requirements.
• Guide and mentor team members, coordinate development efforts, and resolve technical issues to ensure smooth project execution.

Job Requirements:

• Bachelor’s degree or higher in Computer Science, Software Engineering, or related fields.
• 5+ years of backend development experience, with a strong focus on Java.
• Experience in internet companies is a must, with a strong preference for candidates who have worked at Shopee, TikTok, or similar high-traffic and high-load technology organizations.
• Proficiency in microservices architecture and distributed systems for high-traffic and high-load environments.
• Strong experience with technologies such as: Spring Cloud, Zookeeper, Redis, Kafka, Elasticsearch (including principles, cluster deployment, and optimization).
• Solid understanding of system optimization, concurrency, and horizontal scaling.
• Knowledge of recommendation systems, algorithm engineering, or real-time estimation techniques is a plus.
• Strong communication, teamwork, and project management skills.
• Fluency in English and Chinese for professional communication.

Rapsodo is a Sports Technology company with offices in the USA, Singapore, Turkey & Japan. We develop sports analytics products that are data-driven, portable and easy-to-use to empower athletes at all skill levels to analyse and improve their performance. From Major League Baseball star pitchers to Golf tour players, athletes use Rapsodo technology to up their game across the world. Trusted by coaches and players from youths to professionals, Rapsodo provides real-time insights for all-time performance.

We are innovative, focused, and rapidly growing. We are continuously looking for team players who will stop at nothing to deliver state-of-the-art solutions as part of Team Rapsodo.

As a Full Stack Developer, you will design, develop, and deploy robust, secure, and user-centric applications while leveraging the power of cloud technologies. You will work across the entire tech stack, ensuring our applications are scalable, efficient, and aligned with business goals.

Location:

Singapore

Key Responsibilities:

• Develop Full-Stack Applications: Design, build, and maintain responsive front-end interfaces and secure, scalable back-end services.
• Cloud Integration: Leverage cloud platforms (AWS, Azure, Google Cloud) to develop and deploy cloud-native solutions, ensuring optimal scalability and performance.
• Collaborate Across Teams: Work closely with product managers, designers, and DevOps engineers to deliver seamless user experiences.
• Optimize Performance: Ensure applications perform reliably under high usage, implementing best practices for scalability and security.
• Innovate: Stay ahead of industry trends and bring new ideas to enhance our offerings.

Requirements:

• 8+ years in full-stack development with expertise in front-end frameworks (React, Angular, or Vue.js) and back-end technologies (Node.js, Python, Go, etc.).
• Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud.
• Strong understanding of CI/CD pipelines and DevOps tools.
• Proficiency in building RESTful APIs and microservices architecture.
• Familiarity with containerization (Docker, Kubernetes) and serverless computing.
• Experience with both SQL and NoSQL databases.
• Excellent problem-solving and analytical abilities.
• Strong communication skills to work effectively with cross-functional teams.
• Self-motivated, team-oriented, and driven to innovate.
• A natural curiosity for new technologies and trends in cloud computing and software development.

We are a global leader in sports vision technology, powered by a team that believes in failing fast, learning faster, and winning as a team. At Rapsodo, you'll thrive in a culture driven by customer focus, achieving more with less, and redefining what's possible. If you are eager to work independently while contributing to a dynamic, innovative, and passionate team, we encourage you to submit your application.

As a software engineer, you’ll work within cross-functional delivery teams alongside other engineers and product managers in building software to help improve user’ cloud Journey.

Responsibilities:

• Design and implement software solutions: This includes writing clean, efficient, and well-documented code based on provided specifications and requirements.
• Participate in code reviews: Actively contribute to code quality by reviewing colleagues' work and providing constructive feedback.
• Follow software engineering best practices: Adhere to established coding standards, testing procedures, and version control practices.
• Contribute to software architecture: Leverage architectural knowledge to propose and discuss design decisions, ensuring scalability, maintainability, and performance.
• Provision and manage cloud resources: Utilize cloud provider services (AWS or GCP) to create and configure the necessary infrastructure for applications.
• Implement Infrastructure as Code (IaC): Write and maintain IaC using tools like Terraform to automate infrastructure provisioning and management.
• Ensure secure and reliable infrastructure: Implement security best practices and monitoring to guarantee application stability and data protection.
• Containerization and Orchestration: Deploy and manage containerized applications using Docker and Kubernetes, optimizing for resource utilization and scalability.
• Design and implement CI/CD pipelines: Automate the build, test, and deployment processes using GitLab CI/CD or similar tools.
• Improve development workflows: Streamline development processes through automation and continuous integration.
• Troubleshoot and resolve pipeline issues: Diagnose and fix problems that arise during the CI/CD process.

Requirements:

• This is hands-on position, so coding/scripting is a must, especially in Python or Javascript
• Developer experience is a requirement
• Position will involve designing CI/CD pipelines, and deploying our applications to the cloud. Current technology stack is gitlab, terraform, docker, Python / TypeScript (Vue.js).
• Contributing to and maintaining software engineering standards.
• Familiar with Git version control (Gitlab)
• AWS, GCP certifications would be an added advantage

Other information:

• Working Location: One North
• Working Hours: Monday - Friday, 9am - 6pm

The potential candidate will be a key contributor to our AWS Cloud migration project, responsible for designing, developing, and optimizing applications for the cloud environment. The potential candidate should be an expert in application development and AWS Cloud services which is crucial in ensuring the success of our transformative project

• Design and develop robust and scalable applications using modern development languages and frameworks.

• Collaborate with cross-functional teams to migrate existing applications to the AWS Cloud platform.

• Optimize applications for cloud-native architecture and leverage AWS services for enhanced functionality.

• Identify and address performance bottlenecks in applications, ensuring optimal performance in the cloud environment.

• Conduct regular code reviews to ensure adherence to coding standards and best practices.

• Degree in Computer Science, Computer Engineering or equivalent.

• At least 8 years of experience in Java development (Java, J2EE, EJB, Spring Framework, etc.,)

• Experience in WebLogic, WebSphere Application Server and Apache Web server

• Proficient in using and understand Oracle and MS SQL Databases

• Proficient in AWS Cloud services, including Lambda, EC2, S3, and RDS.

• Well verses with Agile development preferably using SCRUM framework

• Experience in Liferay development (advantage)

Responsibilities:-

• Develop and implement state-of-the-art generative AI models:

• Design, train, and deploy generative models for various applications, such as image synthesis, text generation, and other creative tasks.

• Stay up-to-date with the latest advancements in generative AI and integrate new techniques into our projects.

• Work together with project team to design and implement quality solutions as per customers’ requirements

• Debugging and resolving technical problems that arise

• Participate in solutioning meetings with project team and customers

• Being a mentor for junior Software Engineers

Technical Requirements

• Working knowledge of Web API, REST, XML, JSON

• Hands-on experience in UI/UX development using JSP, HTML5, CSS3, JavaScript

• Able to define solution and prepare technical specifications according to Functional Specifications

• Proficient in programming languages such as Python, and experience with deep learning frameworks (TensorFlow, PyTorch).

• Knowledge of generative models such as GANs, VAEs, and related architectures.

Interpersonal Requirements

• Excellent written and verbal reasoning and communication skills

• Excellent problem-solving skills with high level of initiative

• Meticulous, detailed and able to work with minimal supervision

• Ability to work under pressure and meeting tight deadlines

• Ability to lead technical solutions end to end

Added Advantage

• Proven experience in developing and deploying generative AI models.

• Strong background in machine learning, deep learning, and artificial intelligence.

• Experience in Banking Solution development will be an advantage

• Experience working in a cross cultural team with multi geographical locations (onsite-offshore) will be an advantage

• Advantage if worked on Agile Framework or aware of basic Agile terminologies and processes

• Provide technical input during the business development life cycle

• Participate in experimentation to assess new solution/application paths

• Identify challenges to help the development of formalized solution methodologies

• Interface and coordinate tasks with internal and external technical resources.

• Collaborate to provision estimates, develop overall implementation solution/application plan, and serve as a lead as required, to implement the installation, customization, and integration efforts

• Experiences working on Containers (e.g. Docker, Kubernetes) and DevOps technology on VMware infrastructure and/or Public Cloud (e.g. AWS, Azure, Oracle, Alibaba) will be an added advantage

• In-depth knowledge of Cloud & distributed architectures, Microservice, API best practice design

• Experienced in CI/CD and exposed to standard development ecosystem: SonarQube, Jira/Confluence, SVN, Jenkins, Eclipse

• Degree holder in Computer science, information technology or related discipline
• Minimum 4 years of working experience in software development
• Proficient in Microservices, J2EE, Spring Boot, Camel, ReactJS, REST APIs, microservices, XML, Oracle, UML, Connect Direct, SFTP, Unix, MQ series
• Possession of good understanding of middleware technologies like MQ, Kafka and Cloud-related technologies is a plus
• Knowledge of code versioning tools such as Git, Mercurial or SVN etc
• Design and development of banking/ financial applications would be an added advantage

• Learning Calypso application on the job.
• Developing Java code to implement customizations using Calypso application APIs.
• Developing and designing configurable solutions to implement requirements.
• Refining functional solutions via collaboration with the business users.
• Create (java based automated) test cases.
• Ensure coding standards and do code reviews for peers.
• Demo developed functionalities to users.
• Resolve user queries and execute End-of-Day jobs to support User Acceptance Testing.
• Run CI/CD pipelines (Microsoft Azure etc) for code deployment on test environments.
• Contribute to the internal knowledge repository.
• Provide oncall production support in rotation with the team members (Between 6 am – 8 am)
• Occasional weekend / holiday production support

Requirements:

• Minimum 4 years of experience in banking domain
• Minimum 4 Years of development experience on core Java 8 or above
• Strong knowledge of OOPS concepts in java including Inheritance, Polymorphism, etc
• Strong knowledge of core Java features like Threads, Concurrency, Exceptions and handling
• Good knowledge of synchronization concepts and static and dynamic initializations.
• Experience of debugging code, bug fixing, writing Deadlock safe code.
• Hands-on experience of java development tools Eclipse/Intellij and version controlling tools like SVN/GIT etc
• Basic hands-on experience of Unix Shell Scripting
• Basic hands-on experience of PL/SQL.
• Fluent in English, both written and verbal.
• Experience with the scrum development methodology.