Careers
Since its founding, Huahai Technology has upheld the spirit of excellence and innovation, earning unanimous praise from customers through high-quality controller products, continuously improving development tools and comprehensive technical services.
Recruitment Philosophy

Own Your Future, Unlock Growth

At Huahai: Teammates. Learners. Partners. We innovate boldly, learn for life, and win together — where every effort counts and career potential is limitless.

Drive Change. Shape Innovation.

70%+ of vehicle innovation is electronic control. We empower leading smart EV makers. Join us for real projects, real growth, your mark on the industry.

Positive Vibes, Long-Term Growth

Great benefits. Values-driven workplace: Integrity. Innovation. Collaboration. Customer-first. Focus. No wasted effort — just growth. Join us, grow together.

Sales Engineer
  • Location: Beijing, Shanghai, Chongqing, Guangzhou or non-fixed office
  • Salary:Negotiable
  • Job Type:Full-time
Release date:2026-08-31

Responsibilities

1. Responsible for the sales of the company's automotive electronic supporting products, consulting projects, and automotive electronic development software and testing equipment products, completing the sales targets assigned by the company;

2. Responsible for developing new customers such as vehicle OEMs and parts suppliers, and maintaining relationships with existing customers; 

3. Collect and maintain customer and market information, and mobilize company resources to carry out related marketing and promotion activities;

4. Identify needs, plan sales activities, drive business negotiations, participate in bidding processes, and promote project realization;

5. Responsible for business contract negotiation, signing, execution and payment collection;

6. Complete other tasks assigned by the company and superiors.


Requirements


1. Bachelor's degree or above from a regular university, major in vehicle engineering, power engineering, mechatronics, communication engineering, computer science, automation, measurement and control or related fields;

2. Experience in marketing or technical support; those familiar with automotive electronic development processes and with relevant work experience are preferred; 

3. Trained in marketing, management skill development, financial knowledge and product knowledge; 

4. A certain foundation in English, CET-4 or equivalent preferred; 

5. High work enthusiasm, good teamwork spirit, strong observation and adaptability; 

6. Strong sense of responsibility, internal drive and stress resistance, able to adapt to frequent business travel; 

7. Keen sales awareness with certain marketing knowledge and skills; 

8. Strong logical thinking and excellent communication and negotiation skills, high EQ, strong insight, and good at information collection and processing.

Resume Submission Email Address:jobs@ecucoder.com
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Application Software Engineer
  • Location:Beijing
  • Salary:Negotiable
  • Job Type:Full-time
Release date:2026-06-15

Responsibilities

1. Responsible for model-based vehicle control unit algorithm development;

2. Independently complete control algorithm development according to functional requirement documents;

3. Write test requirement documents combined with control algorithms and cooperate with colleagues to complete system simulation testing;

4. Remotely or on-site cooperate with debugging personnel to complete system integration, software testing and calibration to meet customer needs;

5. Complete the writing and training of project-related deliverables;


Requirements

1. Bachelor's degree or above, major in vehicle engineering, automatic control, mechatronics or automotive-related, with 1+ years of work experience; 

2. Proficient in MATLAB/Simulink modeling and simulation tools; 

3. Familiar with the model-based V-model development process and testing methods; 

4. Able to bear relatively high work pressure, with good communication skills and teamwork spirit; 

5. Good work attitude, strong sense of responsibility and learning ability, and obedience to leadership arrangements.

Resume Submission Email Address:jobs@ecucoder.com
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Embedded Software Engineer
  • Location: Beijing
  • Salary: Negotiable
  • Job Type:Full-time
Release date:2026-06-15

Responsibilities
1. Responsible for embedded system requirement analysis and solution design; 

2. Responsible for embedded software code implementation, development and debugging, and writing technical documents; 

3. Responsible for controller operating system and MCAL configuration development; 

4. Responsible for complex driver block design and development; 

5. Participate in the porting and development of UDS, BOOTLOADER, CCP and XCP protocol stacks; 

6. Cooperate with hardware engineers in joint debugging and with test engineers in product function testing.


Requirements

1. Bachelor's degree or above, major in computer science, automation, electronics or related fields; 3+ years of embedded software work experience; 

2. Proficient in C language, familiar with CodeWarrior, KEIL, S32DS and other development environments, and familiar with at least one automotive embedded processor platform (NXP, Infineon, etc.); 

3. Master basic hardware driver knowledge, able to independently complete underlying software development such as MCAL and middleware; 

4. Proficient in software tools and related testing equipment; 

5. Strong learning ability, sense of responsibility, down-to-earth work, cheerful personality, and strong communication and collaboration skills.


Resume Submission Email Address:jobs@ecucoder.com
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Hardware Test Engineer
  • Location:Beijing
  • Salary:Negotiable
  • Job Type:Full-time
Release date:2026-06-15

Responsibilities

1. Responsible for the testing and verification of automotive electronic control system controllers, simulation system boards and other products, and assist in promoting research and innovation in automotive electronic control system controllers, simulation system boards and other businesses;

2. Responsible for the testing, verification and archiving of assigned custom controller consulting, rapid prototyping R&D, mass supporting R&D, simulation testing and other project products, including test plan design and preparation, white-box test verification, function test verification, performance test verification, certification release, deliverable preparation, archiving and change management;

3. Responsible for after-sales technical support of assigned rapid prototyping, mass supporting and simulation testing products, and assist other engineers in product problem localization and technical support;

4. Independently formulate hardware test case specifications, and conduct modular hardware testing and integrated hardware testing; 

5. Revise enterprise standards based on national standards, ISO and other series of standards; 

6. Formulate requirements for white-box, functional performance, DV and PV testing, and write test cases;

7. Develop test plans and write test operation manuals and other documents;

8. Responsible for the quality of assigned projects and the safety of engineering projects;

9. Participate in formulating the team's annual, quarterly and monthly work goals and plans;

10. Participate in the establishment and improvement of the team's technical process system, and the dissemination and summary sharing of experience and skills;

11. Assist team managers in coaching and guiding new employees;

12. Complete other related tasks assigned by superiors.



Requirements

1. Bachelor's degree or above, major in electrical and electronics, electronic information engineering, instrumentation testing, automation or related fields;

2. Familiar with GB/T 28046, 897, 2423 and other testing standards; 

3. Familiar with the use of multimeters, oscilloscopes, CAN bus tools, high and low temperature chambers and other testing equipment; 

4. Proficient in board-level hardware testing, power hardware testing and signal testing; 

5. Familiar with device usage specifications, master the working principles of electronic components, with failure analysis capability; 

6. Proficient in office software, English at CET-6 level, fluent in listening, speaking, reading and writing;


Resume Submission Email Address:jobs@ecucoder.com
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Hardware Engineer
  • Location:Beijing
  • Salary:Negotiable
  • Job Type:Full-time
Release date:2026-06-15

Responsibilities
1. Based on product functional requirement analysis, provide detailed hardware design solutions and write hardware development specifications; 

2. Complete component selection and circuit and PCB design according to design requirements; 

3. Participate in the review of hardware design and test cases, and provide reasonable suggestions; 

4. Track and solve problems in the design and development of new products; 

5. Communicate and cooperate across teams and departments to solve product-related problems; 

6. Complete other company-related tasks assigned by superiors.


Requirements

1. Bachelor's degree or above, major in automation, electronics, communications, integrated circuits, vehicles or related fields; 

2. Familiar with circuit design and simulation; familiar with microcontroller systems; 

3. Those familiar with EMC design are preferred; 

4. Those with high-voltage high-power design experience are preferred; 

5. Experience in high-speed signal processing; 

6. Automotive electronic product hardware development experience preferred.


Resume Submission Email Address:jobs@ecucoder.com
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LabVIEW Host Computer Development Engineer
  • Location:Beijing
  • Salary:Negotiable
  • Job Type: Full-time
Release date:2026-06-15

Responsibilities
1. Responsible for the configuration and development of experimental management software for vehicle ECU (powertrain domain/chassis domain/body domain controllers), bus networks (CAN/CAN FD/LIN/Ethernet/DOIP) and vehicle electrical function testing equipment; 

2. Functional requirements, solution design, code implementation and function testing of host computer software; 

3. Responsible for building a full-dimensional verification and testing environment, such as ECU R&D-stage electrical performance testing, production line EOL detection, and HIL test benches; 

4. Provide technical support and software version iteration, establish host computer software process asset archives, organize internal technical sharing, and improve the overall capability of the team; 

5. Maintain communication and requirement alignment with cross-functional teams (testing, hardware, software, production, customers).


Requirements

1. Bachelor's degree or above, major in computer science, software engineering, automation, electronic information engineering, automotive engineering or related fields; 

2. Proficient in at least one of Python/C++/C/C#/LabVIEW, familiar with common automated testing frameworks; 

3. Understand automotive electronic testing processes and industry standards (ISO 14229, ISO 15765); 

4. Familiar with automotive testing hardware interfaces (real-time simulators, NI acquisition cards) and in-vehicle protocols (CAN/LIN/CAN FD/Ethernet, UDS); 

5. Capability in data visualization and automated script development is preferred; 

6. Strong problem analysis and cross-team communication skills, able to adapt to project schedule pressure, with customer service awareness.

Resume Submission Email Address:jobs@ecucoder.com
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Project Manager
  • Location:Beijing
  • Salary:Negotiable
  • Job Type:Full-time
Release date:2026-06-15

Responsibilities
1. Responsible for meeting outcome indicators such as scope, schedule, quality and cost throughout the lifecycle of initiated projects from initiation to closing, with a focus on on-time project progress and first-time delivery pass rate; 

2. According to customer requirements, responsible for formulating customer project development plans, arranging project tasks, and coordinating resources for work breakdown; 

3. According to the company's R&D requirements, responsible for self-developed project initiation, formulating project plans, arranging project tasks, and coordinating resources for work breakdown; 

4. Responsible for daily project management work, such as weekly/monthly project reports, regularly reporting project progress to senior management and departments, providing managers with required project-related data, and presiding over customer regular meetings, project regular meetings, project phase transition reviews and change reviews; 

5. Responsible for the quality management of the company's product and technology R&D process, ensuring that the quality standards of customer or organizational requirements are implemented during R&D; 

6. Responsible for quality risk management of the company's product and technology R&D, identifying, assessing and controlling quality risks that may arise during R&D, including predicting and analyzing potential problems and proposing corresponding preventive measures; 

7. Responsible for process quality management and after-sales service management of company projects and small-batch samples, including incoming inspection, in-process inspection, outgoing inspection, product audit, and 8D resolution of after-sales problems; 

8. Assist the quality department in quality system construction, including system document optimization, second-party audits and internal audits; 

9. Assist superiors in the establishment, improvement, execution and improvement of other process systems, specifications and standards of the technology center; 

10. Responsible for training other company members on knowledge and specifications related to the project implementation process and quality management implementation process; 

11. Complete other company-related tasks assigned by superiors.


Requirements

1. Bachelor's degree or above, major in engineering, electrical engineering or management; a master's degree or above in science and engineering is preferred, and experience in the automotive electronics industry is preferred; 

2. CET-4 English; PMP certificate preferred; 

3. Experience in quality management and project management is preferred; familiar with the knowledge systems of quality management and project management; 

4. Good patience and perseverance, strong frustration tolerance; 5. Good communication skills and teamwork spirit.

Resume Submission Email Address:jobs@ecucoder.com
Apply Now
Others
  • Location:Others
  • Salary:Others
  • Job Type:Others
Release date:2026-08-31

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Resume Submission Email Address:jobs@ecucoder.com
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Highlights & Exploration

"Here we get a lot of training and personal growth is huge; colleagues are willing to help each other, and the overall working atmosphere is positive. The company atmosphere is comfortable, everyone helps each other without too much friction, and you can focus on improving yourself here. Not only can you learn things, but colleagues get along well, HR is very humane, and everyone works with great drive."

Our Requirements for Engineers

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