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Assistant Software Engineer Jobs in Ontario (NOW HIRING)

Ritchie Bros.

Software Engineer

Mississauga, ON

Write unit tests and help improve test coverage and overall code quality * Assist in debugging and ... Bachelor's degree in Computer Science, Software Engineering, or a related field, OR equivalent ...

Broadcom

Software Engineer

Ottawa, ON · On-site

As a Principal Software Engineer, you will design, develop, and deliver Control Software and or ... You will assist with customer trials, address field issues, and ensure product sustainability.You ...

Refinitiv

Senior Software Engineer, AI

Toronto, ON · On-site

$100 - $145/hr

Senior Software Engineer, Agentic AISkip to main content# **Our Privacy Statement & Cookie Policy ... Participate in the full software development lifecycle for AI/ML projects* Assist in building data ...

Mlse

Software Engineer Intern

Toronto, ON

We are seeking a motivated Software Engineer Intern who is eager to gain hands-on experience ... * Assist in the development, testing, and maintenance of web applications across front-end and ...

MCAP Group of Companies

$90 - $109/hr

Senior Software Engineer MCAP at a Glance Joining MCAP means you will be a part of our diverse ... Perform architectural modelling to assist in determining solution efficacy. * Performs estimating ...

Refinitiv

Senior Software Engineer, Agentic AI

Toronto, ON · On-site

$100 - $145/hr

## Senior Software Engineer, Agentic AIApplyremote type: Hybridlocations: Canada, Toronto, Ontariotime ... Participate in the full software development lifecycle for AI/ML projects* Assist in building data ...

MCAP

Senior Software Engineer

Waterloo, ON

In addition, the Software Engineering stream provides day-to-day operations and production support ... Perform architectural modelling to assist in determining solution efficacy. * Performs estimating ...

Okta

Staff Software Engineer - Apple

Toronto, ON · On-site

The Staff Software Engineer Opportunity We seek a dynamic and influential Staff Software Engineer ... Proficiency in leveraging AI coding assistants (e.g., GitHub Copilot) to accelerate the development ...

Okta

Staff Software Engineer - Android

Toronto, ON · Hybrid

The Staff Software Engineer Opportunity We seek a dynamic and influential Staff Software Engineer ... Proficiency in leveraging AI coding assistants (e.g., GitHub Copilot) to accelerate the development ...

Big Viking Games

Intermediate Software Engineer

Toronto, ON · Hybrid

CA$80K - CA$105K/yr

As an Intermediate Software Engineer on these projects, you'll work primarily on the front end ... Comfort using AI coding assistants (e.g., Claude) in a real workflow. Free-to-play or live-service ...

Okta

Principal Software Engineer

Toronto, ON · On-site

The Principal Software Engineer Opportunity We seek a visionary and highly influential Principal ... Proficiency in leveraging AI coding assistants (e.g., GitHub Copilot, Claude Code) to accelerate ...

Scotiabank

Software Engineer

Toronto, ON

The role is accountable for driving software engineering excellence, ensuring application stability ... You will assist the product owners and business analysts in discovering the current system behavior ...

Scotiabank

Software Engineer

Toronto, ON · On-site

... software components, including, but not limited to, servers on various platforms and enterprise ... A good understanding of Cobol programming "best practices" is required to assist development teams ...

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Assistant Software Engineer information

What is the difference between Assistant Software Engineer vs Software Engineer?

AspectAssistant Software EngineerSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; some internshipsBachelor's or higher; more experience preferred
Work EnvironmentEntry-level, supervised tasks, learning-focusedFull responsibility for projects, independent problem-solving
Employer & Industry UsageCommon in tech companies, startups, IT departmentsStandard role across tech, finance, healthcare, and more

The main difference is experience and responsibility. Assistant Software Engineers are entry-level, focusing on learning and supporting tasks, while Software Engineers handle full project development independently. The roles often overlap in credentials and work environment, but the Software Engineer position involves greater autonomy and technical expertise.

How much does an assistant software engineer make?

An assistant software engineer typically earns between $60,000 and $85,000 annually, depending on experience, location, and company size. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher salaries.

What engineer makes $500,000 a year?

Highly experienced software engineers, especially those in senior or specialized roles such as machine learning engineers or software architects, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Such compensation typically requires extensive expertise, advanced skills, and working at large tech companies or startups with significant funding.

Is it true that AI will replace software engineers?

Assistant Software Engineers work with programming languages, development tools, and problem-solving skills. While AI can automate certain coding tasks, it is unlikely to fully replace software engineers, as human oversight, creativity, and complex decision-making remain essential in software development.

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

To thrive as an Assistant Software Engineer, you need a solid understanding of programming languages (such as Java, Python, or C++), software development fundamentals, and typically a bachelor's degree in computer science or a related field. Familiarity with version control systems like Git, basic debugging tools, and common development frameworks is important. Strong problem-solving abilities, collaboration, and effective communication help you work efficiently within teams and adapt to evolving project requirements. These skills and qualities are essential for delivering quality code, learning quickly, and contributing to successful software projects.

What is an assistant software engineer?

An assistant software engineer is an entry-level or junior role responsible for supporting software development tasks such as coding, testing, and debugging under the supervision of senior engineers. They often work with programming languages like Java, Python, or C++ and may use development tools like IDEs and version control systems. This position helps build foundational skills for a career in software engineering.

What are some common challenges faced by Assistant Software Engineers when joining a new development team?

Assistant Software Engineers often encounter challenges such as adapting to unfamiliar codebases, learning new technologies or frameworks used by the team, and understanding the team's workflow and communication practices. It's common to spend initial weeks focusing on onboarding tasks, shadowing experienced developers, and gradually taking on more complex assignments. Collaboration with senior engineers is key, as they provide guidance and feedback to help you grow technically and integrate smoothly into the team's processes.
What are the most commonly searched types of Software Engineer jobs in Ontario? The most popular types of Software Engineer jobs in Ontario are:
What are popular job titles related to Assistant Software Engineer jobs in Ontario? For Assistant Software Engineer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Assistant Software Engineer jobs in Ontario look for? The top searched job categories for Assistant Software Engineer jobs in Ontario are:
What cities in Ontario are hiring for Assistant Software Engineer jobs? Cities in Ontario with the most Assistant Software Engineer job openings:
Assistant Software Engineer jobs near you
Infographic showing various Assistant Software Engineer job openings in Ontario as of July 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 86% In-person, and 14% Remote job distribution.
Software Engineer

Software Engineer

Ritchie Bros.

Mississauga, ON

Full-time

Posted 28 days ago

Ritchie Bros. Auctioneers rating

7.5

Company rating: 7.5 out of 10

Based on 26 frontline employees who took The Breakroom Quiz

3rd of 17 rated auctioneers

Job description

About the Role:

We are looking for an enthusiastic and motivated software engineer to join our marketplace teams. This is an excellent opportunity for someone early in their career who is eager to learn and contribute to building robust and efficient software systems. You will work closely with senior engineers to develop and maintain applications. We believe in fostering a culture of continuous learning, automation, and collaboration, and you'll actively participate in that mission.

Responsibilities:

  • Software Development: 
    • Write clean, well-tested, and maintainable code 
      • In C#, .NET, Java, React JS, TypeScript, RESTful APIs based on design specifications.
      • For SQL and NoSQL databases such as PostgreSQL, Azure SQL, Azure CosmosDB, Azure Storage Blob
    • Participate in code reviews, follow engineering standards, and use GitHub + GitHub Copilot effectively (with good judgment and review discipline)
    • Write unit tests and help improve test coverage and overall code quality
    • Assist in debugging and resolving software defects and issues.
    • Continuously explore and adopt AI tools and frameworks
    • Support application portfolio for "level 3" incidents as necessary
  • Collaboration & Learning: 
    • Collaborate effectively with team members, product managers, and other stakeholders.
    • Actively participate in team meetings, stand-ups, and discussions.
    • Proactively seek out learning opportunities, staying up-to-date with new technologies and industry best practices.
    • Ask questions, learn from senior engineers, and contribute to a positive team environment.

Qualifications:

  • Education/Experience: 
    • Bachelor's degree in Computer Science, Software Engineering, or a related field, OR equivalent practical experience/coding bootcamp completion.
    • 3-6 years of professional software development experience (internships, personal projects, or academic projects are highly valued).
  • Technical Skills (Foundational): 
    • Foundational understanding of OOP, Asynchronous programming 
    • Foundational understanding of at least one modern programming language (e.g. .NET, React JS, JavaScript/TypeScript).
    • Familiarity with RESTful APIs and Microservices
    • Familiarity with version control systems (e.g. ADO, GitHub).
    • Basic understanding of command-line tools and Linux environments.
    • An eagerness to learn about cloud platforms (AWS, Azure), containers (Docker, Kubernetes), and CI/CD concepts.
    • Working knowledge of authentication concepts (OAuth2, JWT) and SSO 
  • Skills & Attributes: 
    • Strong problem-solving skills with a curious and analytical mindset.
    • Excellent communication skills, both written and verbal.
    • Highly motivated, self-starter, and eager to learn new technologies and concepts quickly.
    • Ability to work effectively both independently and as part of a team.
    • Detail-oriented with a commitment to writing high-quality code.

Bonus Points:

  • Any exposure to cloud platforms (AWS, Azure) or containerization (Docker, Kubernetes).
  • Experience with scripting languages (e.g., Bash, Python).
  • Completed personal projects demonstrating your coding abilities.
  • Contributions to open-source projects.
  • Participation in hackathons or coding challenges.
 IAA Holdings, LLC (IAA)

IAA Holdings, LLC (IAA), a Ritchie Bros. Auctioneers company (NYSE: RBA) and (TSX: RBA), is a trusted global marketplace for insights, services, and transaction solutions for commercial assets and vehicles. Leveraging leading-edge technology and focusing on innovation, IAA's unique platform facilitates the marketing and sale of total-loss, damaged and low-value vehicles. IAA serves a global buyer base - located throughout over 170 countries - and a full spectrum of sellers, including insurers, dealerships, fleet lease and rental car companies, and charitable organizations. Buyers have access to multiple digital bidding and buying channels, innovative vehicle merchandising, and efficient evaluation services, enhancing the overall purchasing experience. IAA offers sellers a comprehensive suite of services aimed at maximizing vehicle value, reducing administrative costs, shortening selling cycle time and delivering the highest economic returns.

What Ritchie Bros. Auctioneers employees say

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Benefits

Hours and flexibility

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