This posting is for an existing vacancy within the organization and is open to new applications. AI Disclosure As part of the application process, Artificial Intelligence will be used in the hiring process for this role. The successful candidate is expected to report to the Markham or Oshawa office three times per week at a minimum.

We are seeking a highly skilled and motivated Staff Software Developer to join our Diagnostics Infrastructure Software team in the Autonomous Vehicle Integrity Platform department. In this role, you will act as the subject matter expert in diagnostic infrastructure software development, responsible for architecting new diagnostic software applications and core diagnostic software libraries, along with their interfaces. You should demonstrate exceptional attention to detail, a commitment to delivering high‑quality software solutions, and the ability to adapt to changing priorities.

As a Staff Software Developer, you will play a critical role in defining the next generation of Diagnostic Infrastructure. Lead the diagnostic infrastructure software architecture development related to UDS and DTC Management. Own the diagnostic infrastructure software application and library strategy for the development of in‑house diagnostic software, collaborating effectively with cross‑functional teams.

Create and manage comprehensive architecture diagrams and technical execution plans. Deliver new diagnostic software solutions that comply with GM requirements and specifications. Consistently produce high‑quality software through rigorous unit testing, thorough code reviews, and frequent check‑ins for continuous integration.





Communicate technical issues and decisions efficiently to management. Work with GM’s manufacturing and service diagnostic teams to support new vehicle architectures, including Software Defined Vehicles (SDV). Collaborate with other Platform teams (Cybersecurity, Programming, Serial Data Communication, etc.) Assist in resolving production diagnostic problems by reviewing vehicle communication logs and other data records.

Serve as a technical lead, actively guiding and mentoring fellow developers on the team to foster growth, collaboration, and technical excellence. Actively participate in hiring, development of technical questionnaires, resume reviews and perform interviews. Represent the GM Diagnostic Infrastructure Software Team internally and externally through automotive industry work groups (ISO, SAE).

There will be travel to the US one to two weeks of the year. Bachelor’s degree in Computer Science, Computer Engineering, or a related field. Proven expertise in C++ programming language and other object‑oriented programming languages (e.g., Python).

A minimum of 8 years of experience in software design and development, with a strong focus on diagnostic software applications and diagnostic protocols (UDS).





Experience in diagnostic strategy and software architecture. Knowledge of vehicle diagnostic serial data protocols: Experience reading vehicle communication logs collected from Ethernet bus loggers and Wireshark. Understanding of vehicle electrical architecture systems and standards. Proven results in successful project execution. Master’s degree in Software Engineering, Computer Science, Computer Engineering or related.

Experience in embedded software development on System‑on‑Chip (SoC) platforms. Familiarity with embedded Linux such as the Yocto project.

Experience with CI/CD pipelines and automation tools.

Experience with vehicle Ethernet networking. GM DOES NOT PROVIDE IMMIGRATION‑RELATED SPONSORSHIP FOR THIS ROLE. DO NOT APPLY FOR THIS ROLE IF YOU WILL NEED GM IMMIGRATION SPONSORSHIP NOW OR IN THE FUTURE.

Paid time off including vacation days, holidays, and supplemental perks for pregnancy, parental and adoption leave. Healthcare, dental, and vision benefits. Life insurance plans to cover you and your family.

Company and matching contributions to a Defined Contribution Pension plan to help you save for retirement.

General

Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.

General

Motors offers opportunities to all job seekers including individuals with disabilities.

📌 Staff Software Developer - Diagnostics Infrastructure (Oshawa)
🏢 General Motors
📍 Oshawa