Job Description Vacancy Status: 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.
Work Arrangement Hybrid: This role is categorized as hybrid. This means the successful candidate is expected to report to Markham or Oshawa office three times per week, at minimum.
Role 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. The ideal candidate will possess strong analytical and problem‑solving skills, with a proven ability to collaborate effectively in a cross‑functional team environment. 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. Your work will be conducted in a collaborative engineering environment, where you will exercise the highest levels of creativity, initiative, and independent judgment. Join us in delivering creative solutions and technologies that enhance the GM vehicle ownership experience and ensure the long‑term satisfaction of our customers.
What You'll Do (Responsibilities) 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.
Review and approve Engineering Change Requests that impact GM Autonomous Vehicle Platform diagnostics globally.
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.) to analyze and address potential UDS integration issues.
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).
Travel to the US one to two weeks of the year.
Your Skills & Abilities (Required Qualifications) 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 architect.
Knowledge of vehicle diagnostic serial data protocols: UDS (ISO‑14229) and DoIP (ISO‑13400).
Experience reading vehicle communication logs collected from Ethernet bus loggers and Wireshark.
Understanding of vehicle electrical architecture systems and standards.
Strong problem‑solving skills and the ability to troubleshoot complex issues.
Excellent communication skills and the ability to work effectively in a team environment.
Proven results in successful project execution.
What Will Give You A Competitive Edge (Preferred Qualifications) Master’s degree in Software Engineering, Computer Science, Computer Engineering or related.
Experience in embedded software development on System‑on‑Chips (SoCs).
Familiarity with embedded Linux such as Yocto project.
Experience with CI/CD pipelines and automation tools.
Familiarity with ISO‑26262.
Experience with vehicle Ethernet networking.
Compensation The salary range for this role is $147,000 to $196,600.



The actual base salary a successful candidate will be offered within this range will vary based on factors relevant to the position. 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.
Benefits Overview Paid time off including vacation days, holidays, and supplemental benefits 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.
GM Vehicle Purchase Plan for you and your family.
About GM Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.
Why Join Us We believe we all must make a choice every day – individually and collectively – to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.
Non-Discrimination and Equal Employment Opportunities 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.
Accommodations General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us or call us at 1-(phone hidden). In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.
Our Company Our diverse team of employees bring their collective passion for engineering, technology and design to deliver on our vision of a world with Zero Crashes, Zero Emissions and Zero Congestion. We are looking for adventure‑seekers and imaginative thought leaders to help us transform mobility.
Our Culture We are determined to lead change for the world through technology, ingenuity and harnessing the creativity of our diverse team.
Explore our global locations Join us to help lead the change that will make our world better, safer and more equitable for all by becoming a member of GM’s Talent Community.

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📌 Staff Software Developer - Diagnostics Infrastructure (Ontario)
🏢 GM of Canada
📍 Ontario