Senior Firmware Engineer (Power Electronics)

Department: R&D

Report to: R&D Director

Xnergy is a multi-VC funded and Sovereign-backed power solutions Pre-IPO company, the first in the world in high power universal contactless charging for global electrified mobility. Xnergy was voted a APAC 25 company in 2020 by Cleantech Group.

* The APAC 25 is an annual list of private sustainable innovation companies that have gained the attention of market experts. The 25 companies are regarded as having the potential to make a significant impact in a five-to-ten-year time frame.

Xnergy has a subsidiary company in Suzhou and an office in Boston and Munich. For more information, please visit Xnergy website: www.xnergytech.com.

Description

We are looking for a senior Firmware Engineer with experience in power electronics to join us in Singapore, with opportunities to travel overseas.

In this role, you will be responsible for the design, development and testing of the firmware and embedded control algorithm for Xnergy wireless power and power conversion products. This includes various stages in a product’s life cycle such as concept/ architecture, prototyping, evaluation, production ready firmware, manufacturing, and maintenance.

You will work closely with the R&D team (hardware, firmware, and software engineers) to contribute to power converter design and shape the development of our future product strategies.

You are expected to provide theoretical knowledge and hands on skill in power electronics control and algorithm, firmware architecture, microcontrollers, power management strategies.

Essential Functions/Responsibilities

1. Design and implement control algorithms and embedded firmware for high-power converters based on DSP/MCU using C/C++ programming language and model-based design methodology in line with the applied normative and standards practice.
2. Apply knowledge of CAN, SPI, USB, I2C, RS485, RS232 communication protocols to product development.
3. Plan and execute testing strategy including bench testing, validation testing, unit testing, integration testing, and system level testing.
4. Develop lab test tools, and support development of routine testing methods/systems for production systems.
5. Produce clear documentation for firmware design and test results.
6. Support identification and troubleshooting of discovered field issues, customisation requirements, create solutions, and disseminate knowledge.
7. Contribute to all phases of the firmware development life cycle including requirements analysis, architecture, design, implementation, testing, and release to ensure high quality production code.
8. Work closely with R&D team, field applications, and production teams for specifications, design, prototyping, and fabrication locally and remotely.
9. Contribute in selecting microcontrollers, schematics review, power management strategy, testing, debugging, and troubleshooting of power, digital, and analog circuit.
10. Finding root-cause and solve technical issues during new product development and product improvement as well as in field escalations.
11. Provide technical guidance and support to the software team.
12. Contribute in related technology roadmaps, features development, next generation product.
13. Plan and schedule to meet goals, deliverables, and deadlines.
14. Mentor junior engineers with an emphasis on controls.

Requirements

1. Bachelor’s/Master’s/PhD degree in Electrical/Electronic/Power Electronics Engineering or Computer Science or other related field.
2. Possess minimum 3 years of relevant work experience.
3. Good understanding and strong interests in power electronics, control and stability, topologies (e.g., AC/DC, PFC, DC/DC, DC/AC, LLC and resonant converter), analog/digital circuit.
4. Solid experience with embedded software development, firmware design, real time control and implementation in microcontrollers, DSPs.
5. Good programming skills (C/C++/assembly, python) and familiar with various development platform (microcontrollers, Linux, etc.) and development tools (compilers and debuggers).
6. Strong knowledge in various industrial communication protocol and the implementation (UART, USB, SPI, I2C, RS-485, CAN, CAN-FD, ISO-15118, IEC 61851).
7. Strong practical knowledge on schematics, engineering specs, testing, troubleshooting, debugging, including familiarity with equipment (oscilloscopes, multi-meters, power supplies, etc.).
8. Familiar with good development practices including design and code reviews, testing and regression, revision control, release, and user documentation.
9. Experience with Agile development methods such as Kanban or Scrum.
10. Self-driven, proactive, assertive, organised, disciplined, and able to work in a collaborative, fast-paced, team environment.
11. Good interpersonal skills, analytical skills, written and verbal communication skills in English and Chinese language.
12. Able to work in start-up environment with global, cross-cultural, and cross-functional engagements.