Assistant FW Testing Engineer

Sorry, this job was removed at 04:34 a.m. (UTC) on Tuesday, Jul 28, 2026
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Shenzhen, Guangdong, CHN
In-Office
Junior
Hardware • Other • Appliances
The Role
Execute and design firmware test cases for power supplies (PSU) and smart batteries (BBU); run instruments (AC/DC source, electronic load, oscilloscope, multimeter); build test environments, harnesses, and solder joints; log and verify defects; develop test tools; validate registers, protection, accuracy, fan, LED, blackbox, and FRU functions; produce test reports.
Summary Generated by Built In

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. 

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

Job Summary:
To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Assistant Firmware Testing Engineer located in Shenzhen.
该电源固件测试助理工程师 工作地点为深圳。

What a typical day looks like:

  • 基础:测试用例的执行,测试结果和报告的输出,产品问题的提交和验证

  • 提升:测试用例的设计和编写,测试工具开发

  • 主要测试产品为电源(PSU)和 智能电池(BBU)

  • 测试工作经常使用各种仪器: 如AC/DC Source, 电子负载, 示波器, 万用表。

  • 测试环境搭建,线束制作,焊接。

  • 主要测试Registers, Protect, Accuracy, Fan, LED, Blackbox, FRU等功能

The experience we’re looking to add to our team:

  • 本科或以上学历,软件,网络,通信,电子 等相关专业

  • 2年以上电源行业软件开发经验或者软件测试经验,硬件相关的知识背景或能力

  • 具备软件开发和测试的能力, 会Python/C/ C++进行编程 熟练使用Excel, Word等办公软件

  • 良好的学习和理解能力,良好的动手能力 具备英文读写能力,能够阅读英文文档

What you’ll receive for the great work you provide:

  • Social Insurance

  • housing fund

  • PTO

Job CategoryDesign, Process & Technology Engineering

Required Skills:

Optional Skills:

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [email protected] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).

Skills Required

  • Bachelor's degree or above in software, networking, communications, electronics, or related field
  • 2+ years power industry software development or software testing experience
  • Hardware-related knowledge or capability (testing, assembly, debugging)
  • Ability to program in Python, C, and C++
  • Proficiency with Excel and Word
  • Good English reading and writing ability
  • Hands-on skills with test instruments (AC/DC source, electronic load, oscilloscope, multimeter), test setup, harness making, and soldering

Flex Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Flex and has not been reviewed or approved by Flex.

  • Healthcare Strength Health, dental, and vision coverage begin on day one with options for dependents, alongside disability, life, mental‑health resources, and fertility/adoption and gender transition support. Plan choice and wellness programs indicate a robust healthcare offering.
  • Leave & Time Off Breadth Paid holidays, paid sick time, company‑wide shutdown days, and in some cases unlimited PTO point to extensive time‑off provisions. Flexible and hybrid work arrangements in certain teams further support work‑life balance.
  • Strong & Reliable Incentives Quarterly bonus checks and performance bonuses supplement base pay, and some roles can earn overtime at 1.5x. These elements strengthen the reliability of cash incentives.

Flex Insights

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