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Assistant Software Developer Jobs in Ontario (NOW HIRING)

As the Staff Software Engineer, you will provide technical leadership for the development team. You ... apps * Assist with troubleshooting production problems, root cause analysis, and debugging

RQ11153 - Sr. Software Developer 9+ month contract (186 business days) - possible extension ONSITE ... Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its ...

... apps * Assist with troubleshooting production problems, root cause analysis, and debugging ... Mentor more junior developers * Ensure software development follows industry best practices ...

Associate Software Developer

Oakville, ON · Hybrid

CA$81K - CA$101K/yr

The Opportunity The Associate Software Developer role is important to the success of Euna Grants as ... Experience utilizing AI tools to assist in development process Location: This position will be ...

We are looking for a Senior Software Developer who loves writing code but also enjoys thinking ... Proactively use and integrate AI agentic tools (e.g., coding assistants, autonomous task runners ...

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Assistant Software Developer information

See Ontario salary details

$12.5K

$81.7K

$155.5K

How much do assistant software developer jobs pay per year?

As of Jul 16, 2026, the average yearly pay for assistant software developer in Ontario is $81,709.00, according to ZipRecruiter salary data. Most workers in this role earn between $40,500.00 and $112,500.00 per year, depending on experience, location, and employer.

What is the difference between Assistant Software Developer vs Junior Software Developer?

AspectAssistant Software DeveloperJunior Software Developer
Required CredentialsTypically an associate degree or relevant certificationsUsually an associate degree or entry-level certifications
Work EnvironmentSupportive team, learning-focused, entry-level projectsHands-on coding, developing features, debugging
Employer & Industry UsageCommon in tech companies, startups, and IT departmentsWidely used across software firms, tech startups, and IT services

The main difference is that Assistant Software Developers often focus on supporting tasks and learning, while Junior Software Developers are more involved in actual coding and project work. Both roles are entry-level, but Junior Developers typically have more hands-on responsibilities and experience.

What are the key skills and qualifications needed to thrive as an Assistant Software Developer, and why are they important?

To thrive as an Assistant Software Developer, you need a solid understanding of programming languages (such as Java, Python, or C#), basic software development principles, and often a degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and common frameworks or libraries is typically required. Strong problem-solving abilities, teamwork skills, and attention to detail help individuals excel in collaborative and fast-paced development environments. These skills and qualities are vital for producing high-quality code, supporting project goals, and contributing effectively to software development teams.

What is an Assistant Software Developer?

An Assistant Software Developer is an entry-level professional who supports software development teams by assisting in coding, testing, debugging, and maintaining software applications. They typically work under the guidance of more experienced developers, helping to implement features, fix bugs, and learn best practices in software engineering. This role is ideal for recent graduates or those new to the field, providing valuable hands-on experience and an opportunity to build technical skills. Over time, Assistant Software Developers may advance to more senior roles as they gain experience and expertise.

What are some common challenges faced by Assistant Software Developers when working on team projects?

Assistant Software Developers often encounter challenges such as understanding existing codebases, managing time effectively while balancing multiple tasks, and keeping up with rapidly changing project requirements. Collaboration is key, as you'll frequently work alongside senior developers, testers, and project managers, which requires clear communication and openness to feedback. Embracing these challenges helps build problem-solving skills and sets the stage for future career growth within the development team.
What are the most commonly searched types of Software Developer jobs in Ontario? The most popular types of Software Developer jobs in Ontario are:
What job categories do people searching Assistant Software Developer jobs in Ontario look for? The top searched job categories for Assistant Software Developer jobs in Ontario are:
Staff Software Developer - Diagnostics Infrastructure

Staff Software Developer - Diagnostics Infrastructure

General Motors

Markham, ON • Hybrid

CA$147/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New


General Motors rating

8.0

Company rating: 8.0 out of 10

General Motors

Based on 309 frontline employees who took The Breakroom Quiz

7.4

Company rating compared to similar companies: 7.4 out of 10

Automakers average

Based on 6,228 frontline employees who took The Breakroom Quiz


Job description

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.

The 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 innovative solutions and technologies that enhance the GM vehicle ownership experience and ensure the long-term satisfaction of our customers. This is an exciting opportunity to contribute to the development of cutting-edge software solutions that enable efficient and accurate vehicle diagnostics across the GM Enterprise and GM Dealership network.

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).

  • There will be 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 WILLNEED GM IMMIGRATION SPONSORSHIP NOW OR IN THE FUTURE.

Benefits Overview:

The goal of the General Motors of Canada total rewards program is to support the health and well-being of you and your family. Our comprehensive compensation plan currently includes the following benefits, in addition to many others:

  • 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, your family and friends.

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.
We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire.

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 1-800-865-7580. 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.


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About General Motors

Sourced by ZipRecruiter

General Motors is a company with global scale and capabilities, headquartered in Detroit, Michigan, with employees around the world. The company employs over 165,000 people, serves six continents, operates across 22 time zones, and has a diverse workforce speaking 75 languages1. GM’s vision is to drive the world forward by pioneering innovations that move and connect people to what matters. The company is working towards an all-electric future with its new Ultium Platform and is pushing transportation options beyond our wildest imaginations with autonomous vehicles. GM is also committed to becoming the most inclusive company in the world.

Industry

Transportation equipment manufacturing

Company size

10,000+ Employees

Headquarters location

Detroit, MI, US

Year founded

1908