Software Engineer Intern

About MLSE

Maple Leaf Sports & Entertainment Partnership (MLSE) is focused on creating memorable experiences for fans and communities through sport, entertainment, and collaboration. The organization supports major Toronto teams and operates across iconic venues, dining spaces, and community initiatives. MLSE Foundation and MLSE LaunchPad also channel the power of sport toward youth development and community impact.

MLSE describes itself as a place where people work together with purpose, contribute as one team, and help shape something larger than themselves.

Internship Overview

MLSE is looking for a Software Engineer Intern who wants practical experience developing modern web applications. This role is suited to someone who enjoys learning, wants exposure to both client-side and server-side work, and is interested in full-stack development as well as AI-assisted engineering workflows.

The internship term runs from September 8, 2026 to December 18, 2026.

What You Will Do

• Support the build, testing, and upkeep of web applications across both frontend and backend components.
• Create and improve interfaces with React, TypeScript, HTML, and CSS while working with senior engineers.
• Help develop and connect REST APIs and backend services using Node.js or comparable tools.
• Produce code that is readable, maintainable, and documented in line with internal standards.
• Assist with debugging, issue investigation, and software fixes.
• Take part in testing work, including unit tests and broader quality checks.
• Use AI-enabled development tools such as GitHub Copilot, Claude Code, and Replit AI to support learning, coding, and troubleshooting.
• Work with product managers, designers, and engineers to deliver product features.
• Join code reviews, team discussions, and knowledge-sharing sessions.
• Learn and apply development processes, engineering tools, and best practices.

What MLSE Is Looking For

• Enrollment in a Bachelor’s or Master’s program in Computer Science, Software Engineering, Computer Engineering, or a related discipline.
• Some exposure to software development through classes, personal projects, hackathons, internships, or open-source work.
• Basic familiarity with frontend technologies such as React, JavaScript or TypeScript, HTML5, and CSS3.
• Some understanding of backend development with Node.js, Express, or similar frameworks.
• Awareness of core web concepts such as APIs and client-server architecture.
• Comfort using Git and version control workflows.
• Introductory knowledge of databases like PostgreSQL, MySQL, MongoDB, or similar systems.
• Strong analytical thinking and a willingness to learn.
• Good communication and teamwork abilities.
• Interest in AI-assisted development tools and modern software engineering practices.

Nice-to-Have Experience

• Personal, academic, or hackathon projects built with React and Node.js.
• Exposure to cloud environments such as AWS, Azure, or GCP.
• Familiarity with Docker or container-based development.
• Experience with testing tools such as Jest, Playwright, or Cypress.
• Exposure to AI applications, LLM APIs, or machine learning projects.
• Involvement in open-source work, coding competitions, or technical communities.

Compensation

The posted compensation range for this role is $38,760.

Additional Information

MLSE encourages applicants from a wide range of backgrounds and experiences. Candidates are welcome to apply even if they do not meet every listed qualification, as transferable skills and lived experience are valued.

After applying, candidates will receive follow-up communication by email and may track progress through the Candidate Portal. SMS notifications can also be enabled for updates.

Equal Opportunity and Accommodation

MLSE is committed to equity, diversity, and inclusion. The organization is an equal opportunity employer and does not discriminate based on race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

Reasonable accommodation is available for qualified individuals with disabilities during the application process. Accommodation requests related to the online application system should be sent to accommodations@mlse.com. This email is only for accommodation requests; resumes sent there will not be reviewed.

Term Dates

The internship period is scheduled from September 8, 2026 through December 18, 2026.