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Backend Software Developer Intern Jobs in Ontario

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.

Ciena

Software Developer Intern - Fall 2026

Ottawa, ON

CA$25 - CA$35/hr

  • PTO

This co-op/intern opportunity provides hands-on experience contributing to real-world engineering challenges within an embedded software team. The role offers exposure to the development and testing ...

Manulife

Back-End Software Engineer

Toronto, ON · Hybrid

CA$86K - CA$136K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Back-end Software Engineer within Group Functions Technology, you will be a key member ... DevOps, Jenkins, GitHub Actions, or similar technologies * Proven experience in designing software ...

Pigment

Senior Backend Software Engineer

Toronto, ON · On-site +1

CA$100K - CA$180K/yr

Solid background in backend software engineering and delivering production-ready systems. - Proven experience designing object oriented software with languages such as C#, Java, C++, Golang, Rust ...

Manulife

Back-end Software Engineer (Kotlin)

Waterloo, ON · Hybrid

CA$86K - CA$136K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

You will work with modern technologies and tools such as GitHub, DevOps pipelines (Jenkins, GitHub ... As a Back-End Software Engineer, you will: Design and build APIs and backend services to expose new ...

d1g1t

Senior Software Engineer, Backend

Toronto, ON · On-site

About the Role We are looking for a Senior Software Engineer, Backend to join our engineering team and contribute to a large, complex production platform used by sophisticated financial services ...

d1g1t

Senior Software Engineer, Backend

Toronto, ON · On-site

About the Role We are looking for a Senior Software Engineer, Backend to join our engineering team and contribute to a large, complex production platform used by sophisticated financial services ...

Lincoln Electric

Software Development Intern

Hamilton, ON · On-site

CA$30/hr

Hamilton Req ID: 29629 Hourly Rate: $30 ​ Role Summary We are looking for a Software Engineering Intern to join our development team and gain hands-on experience building, testing, and supporting ...

Lincoln Electric

Software Development Intern

Hamilton, ON · On-site

CA$30/hr

Hamilton Req ID: 29631 Hourly Rate: $30 ​ Role Summary We are looking for a Software Engineering Intern to join our development team and gain hands-on experience building, testing, and supporting ...

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Backend Software Developer Intern information

What does a backend software developer intern do?

A Backend Software Developer Intern assists in building and maintaining the server-side logic, databases, and APIs that power web applications. Their responsibilities typically include writing code, debugging issues, and collaborating with other developers to ensure data flows efficiently between the server and users. Interns often work with languages like Python, Java, or Node.js and gain practical experience with databases, cloud services, and development tools. This role provides valuable exposure to real-world software engineering practices and helps interns develop the technical and teamwork skills needed for a career in backend development.

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

To thrive as a Backend Software Developer Intern, you should have a solid understanding of programming languages like Java, Python, or Node.js, and basic knowledge of algorithms, data structures, and databases. Familiarity with version control systems (like Git), RESTful APIs, and cloud platforms such as AWS or Azure is often expected. Strong problem-solving skills, teamwork, and effective communication set standout interns apart. These skills and qualities are crucial for building reliable backend systems, collaborating across teams, and adapting to real-world engineering challenges.

What types of projects and technologies do backend software developer interns typically work on during their internship?

Backend Software Developer Interns are often assigned to work on real-world projects such as building APIs, optimizing databases, or improving existing backend services. Interns typically use languages like Python, Java, or Node.js, and work with frameworks and tools such as Django, Spring Boot, or Express.js. Collaboration with frontend developers, QA engineers, and product managers is common, providing valuable experience in agile environments. The projects and technologies may vary depending on the company, but they are designed to help interns gain hands-on experience and contribute meaningfully to the team's goals.

What cities in Ontario are hiring for Backend Software Developer Intern jobs?

Cities in Ontario with the most Backend Software Developer Intern job openings:

Backend Software Developer Intern jobs near you

Software Developer Intern

Perseus Group

Markham, ON

CA$22.50 - CA$27.50/hr

Full-time

Posted 28 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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