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Software Developer Intern Jobs in Mississauga, ON

Perseus Group

Software Developer Intern

Markham, ON

CA$22.50 - CA$27.50/hr

The Software Developer Intern works in a Scrum team to build high-performing, resilient, and manageable web-based ERP software for homebuilders, using AI-assisted development throughout the SDLC.

Vosyn

IT Developer - Master-Level Internship

Etobicoke, ON · On-site +1

$32/hr

... Intern, you will work closely with our engineering team to design, develop, and maintain the technical infrastructure and software that power our applications and systems. This immersive internship ...

Cority Software

Sr. Software Developer

Toronto, ON

Software Developer Technology · Toronto, Ontario POSITION DESCRIPTION POSITION: Software Developer REPORTS TO: Manager, Software Engineering Cority is the global enterprise EHS software provider ...

Cority Software

Sr. Software Developer

Toronto, ON · On-site

Software Developer Technology · Toronto, Ontario POSITION DESCRIPTION POSITION: Software Developer REPORTS TO: Manager, Software Engineering Cority is the global enterprise EHS software provider ...

Powered by Pioneer

Developer Relations Intern

Toronto, ON · Remote

CA$8 - CA$16/hr

Role Summary We are looking for a passionate Developer Relations Intern to join our global DevRel team. In this role, you will be the bridge between BNB Chain and the developer community. You will ...

Portfolio+

Software Developer

Stouffville, ON · Hybrid

CA$80K - CA$85K/yr

As a Software Developer with Portfolio+, you will play a key role in shaping and enhancing our financial software solutions, empowering customers to achieve their goals. Leveraging your expertise in ...

Royal Bank of Canada

Software Developer

Toronto, ON · On-site

This is an exciting opportunity to grow your software engineering skills, learn from experienced engineers, and contribute to production AI infrastructure that supports meaningful business and ...

Seequent

Software Developer

Toronto, ON · Hybrid

Role A Software Developer, Subsurface Information Management is responsible for supporting the design, development, and release of software applications, components and high-performance platform ...

Bentley Systems

Software Developer

Toronto, ON · Hybrid

Role A Software Developer, Subsurface Information Management is responsible for supporting the design, development, and release of software applications, components and high-performance platform ...

New

ATS Automation

Software Developer

Woodbridge, ON

Role Overview Designs and implements custom software based on customer and project requirements. Programming assignments may involve PC and/or PLC's, and the integration of various third-party ...

Bentley Systems

Software Developer

Toronto, ON · Hybrid

Role A Software Developer, Subsurface Information Management is responsible for supporting the design, development, and release of software applications, components and high-performance platform ...

Geotab

Software Developer

Oakville, ON · On-site +1

As a Software Developer is primarily responsible for designing, building and maintaining efficient, reusable, reliable code to develop high throughput, performance critical, scalable applications.

Profound Medical Inc.

Software Developer

Mississauga, ON

CA$100K - CA$125K/yr

General Accountability The Software Developer is responsible for building and maintaining high-quality features, collaborating with the team to solve technical challenges, and ensuring code aligns ...

Profound Medical

Software Developer

Mississauga, ON · On-site

CA$100K - CA$125K/yr

General Accountability The Software Developer is responsible for building and maintaining high-quality features, collaborating with the team to solve technical challenges, and ensuring code aligns ...

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Software Developer Intern information

See Mississauga, ON salary details

$8

$19

$57

How much do software developer intern jobs pay per hour?

As of Aug 3, 2026, the average hourly pay for software developer intern in Mississauga, ON is $19.76, according to ZipRecruiter salary data. Most workers in this role earn between $12.23 and $23.78 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a software developer intern?

To thrive as a Software Developer Intern, you need a solid understanding of programming fundamentals, problem-solving abilities, and coursework or experience in computer science or a related field. Familiarity with languages like Python, Java, or JavaScript, and exposure to development tools such as Git, version control systems, and IDEs are common requirements. Strong communication, eagerness to learn, and teamwork distinguish standout interns in collaborative environments. These skills and qualities are crucial for contributing effectively to projects, adapting quickly, and making the most of the internship experience.

What kind of mentorship and learning opportunities can software developer interns typically expect during their internship?

Software Developer Interns often benefit from structured mentorship programs, pairing them with experienced developers who provide guidance on technical tasks and offer feedback on code quality. Interns usually participate in team meetings, code reviews, and project planning sessions, which help them understand real-world software development workflows. Many organizations also encourage interns to attend internal workshops or training sessions to build their technical and soft skills. This collaborative environment not only accelerates learning but also allows interns to contribute meaningfully to ongoing projects.
What are the most commonly searched types of Software Developer jobs in Mississauga, ON? The most popular types of Software Developer jobs in Mississauga, ON are:
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What cities near Mississauga, ON are hiring for Software Developer Intern jobs? Cities near Mississauga, ON with the most Software Developer Intern job openings:
Software Developer Intern jobs near you
Infographic showing various Software Developer Intern job openings in Mississauga, ON as of July 2026, with employment types broken down into 76% Full Time, 13% Part Time, 1% Temporary, and 10% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $41,108 per year, or $19.8 per hour.

Software Developer Intern

Perseus Group

Markham, ON

CA$22.50 - CA$27.50/hr

Full-time

Posted 12 days ago

Job description

THE POSITION

The successful Software Developer Intern works in our Markham, Ontario office and reports to our Solutions Architect for the homebuilding industry's leading-edge enterprise software product.

The Software Developer Intern works in a Scrum team to build high-performing, resilient, and manageable web-based ERP software for homebuilders, using AI-assisted development throughout the SDLC. Responsibilities include:

  • Study and understand the application's functionality, workflow, and design.
  • Work with the team to build a new product module end-to-end using AI-assisted development tools under architectural guidance.
  • Assist in setting up, testing, and maintaining MCP servers/connectors that power AI-assisted development for the team, including configuration, documentation, and usage governance.
  • Expand automated test coverage - unit, integration, and end-to-end (Playwright) - and wire tests into Azure DevOps CI/CD pipelines.
  • Author and refine reusable AI context: rules files, prompts, and agentic workflows for repeatable development and review tasks.
  • Evaluate the quality and reliability of AI-assisted output against real coding tasks; iterate to improve.
  • Document processes and provide recommendations for scaling AI-assisted development and automation across the team.

QUALIFICATIONS AND SKILLS

  • Able to work from the Markham, Ontario office.
  • Understanding of software requirements and the software development lifecycle.
  • Experience building multi-tier, distributed web solutions with an emphasis on Responsive Design.
  • Understanding of development best practices in a multi-developer team using a shared code repository (Git): branching, pull requests, code review.
  • Hands-on experience in full-stack development:
    • HTML5, TypeScript, JavaScript, stylesheets (Angular an asset)
    • .NET
    • SQL query
    • Object-Oriented Design
    • Test-Driven Development; ability to write unit and integration tests
  • Familiarity with AI coding assistants and prompt engineering (asset).
  • Exposure to test automation frameworks such as Playwright (asset).
  • Exposure to Azure DevOps (Repos, Pipelines) (asset).

Salary Range (Ontario & BC Only):

The estimated base salary range for this role is CAD$22.50 - CAD$27.50 per hour. We include salary ranges in job postings only where required by applicable pay transparency laws, based on the jurisdictions in which the role may be performed. The posted range is a good faith estimate and reflects factors that are subject to change. Final offer amounts may vary based on job-related factors, including work location, candidate experience and expertise, and other relevant considerations.We recognize the value and importance of diversity and inclusion in our communities and in the workplace. We celebrate diversity and one of our goals as an employer is to create an inclusive work environment for all employees. We are an equal opportunity employer and do not discriminate against any employee or applicant because of race, religion, sex, sexual orientation including gender identity or expression, pregnancy, national origin, age, marital status, veteran status, disability status, or any other category or characteristic protected by law.Applicants with disabilities who would like to require a reasonable accommodation related to any part of the application process may contact us at Perseus_HR@constellationhbs.com.#NX

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