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Dot Net Developer Intern Jobs in Ontario (NOW HIRING)

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 ... HTML5, TypeScript, JavaScript, stylesheets (Angular an asset) * .NET * SQL query * Object-Oriented ...

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Dot Net Developer Intern information

What is a dot net developer intern?

A Dot Net Developer Intern is an entry-level role where individuals work with the .NET framework to develop, test, and maintain software applications. Interns typically assist senior developers in coding, debugging, and troubleshooting .NET applications using languages like C# and ASP.NET. They may also work with databases, APIs, and front-end technologies to support application development. This internship provides hands-on experience in software development and prepares individuals for a career as a .NET developer.

What kind of projects or tasks can I expect to work on as a dot net developer intern?

As a Dot Net Developer Intern, you will typically assist in developing, testing, and debugging web or desktop applications using C# and the .NET framework. You might work on fixing bugs, building new features, or updating existing modules under the guidance of experienced developers. It's common to participate in code reviews, team meetings, and collaborate with QA engineers and designers to deliver project goals. This experience allows you to learn industry best practices, improve your coding skills, and gain valuable exposure to real-world software development environments.

What are the key skills and qualifications needed to thrive as a dot net developer intern, and why are they important?

To thrive as a Dot Net Developer Intern, you need a strong foundation in programming concepts, familiarity with C# and the .NET framework, and coursework or experience in computer science or software development. Proficiency with development tools such as Visual Studio, source control systems like Git, and a basic understanding of SQL databases are highly valuable. Strong problem-solving abilities, willingness to learn, and effective communication skills help interns collaborate within development teams. These competencies are essential for adapting quickly, contributing to projects, and building a career as a software developer.

What are the most commonly searched types of Dot Net Developer jobs in Ontario?

The most popular types of Dot Net Developer jobs in Ontario are:

What are popular job titles related to Dot Net Developer Intern jobs in Ontario?

For Dot Net Developer Intern jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Dot Net Developer Intern jobs in Ontario look for?

The top searched job categories for Dot Net Developer Intern jobs in Ontario are:

What cities in Ontario are hiring for Dot Net Developer Intern jobs?

Cities in Ontario with the most Dot Net Developer Intern job openings:

Dot Net Developer Intern jobs near you
Infographic showing various Dot Net Developer Intern job openings in Ontario as of August 2026, with employment types broken down into 29% Internship, and 71% Part Time. Highlights an 100% In-person job distribution.

Software Developer Intern

Perseus Group

Markham, ON

CA$22.50 - CA$27.50/hr

Full-time

Re-posted 13 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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