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Internship Slack Software Engineer Jobs in Toronto, ON

CircleCI

Software Engineer

Toronto, ON

Pick up slack. You'll notice gaps and close them - not because you were asked, but because that ... AI-native engineering practices. You use AI tools daily and can speak to what you've built, where ...

Ritchie Bros.

Software Engineer

Mississauga, ON

We are looking for an enthusiastic and motivated software engineer to join our marketplace teams ... internships, personal projects, or academic projects are highly valued). * Technical Skills ...

Scotiabank

Junior Software engineer

Toronto, ON

... the full software development lifecycle. This role is ideal for a developer with hands-on ... internships/co-op experience considered) * Strong understanding of JavaScript and modern web ...

ShyftLabs

Associate AI Engineer

Toronto, ON · Hybrid

CA$60K - CA$80K/yr

Internship, co-op, academic project, or personal project experience in software engineering, AI/ML, or backend development * Proficiency in Python and familiarity with libraries or frameworks such as ...

Cisco

Software Developer

Toronto, ON

Your Impact As a Software Developer, you will design, develop, test, and support backend ... peers or interns and sharing knowledge across teams through documentation, presentations, or ...

New

Pagefreezer

Senior Software Developer (Remote)

Toronto, ON · Remote

CA$110K - CA$145K/yr

What You'll Do as a Senior Software Developer * Design & Scale Robust Architecture: Develop and ... Google Workspace, Slack, Atlassian Suite (Jira and Confluence), and GitHub are used across all ...

Link Logistics

Engineer, Software

Toronto, ON

CA$185K - CA$225K/yr

We're hiring a full-stack Software Engineer to help build Link's investment analytics platform. You ... Lead by doing - mentor contractors and interns, set a high standard through code reviews, and bring ...

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All JobsSlack Software Engineer JobsInternship Slack Software Engineer JobsInternship Slack Software Engineer Jobs in Toronto, ON

Internship Slack Software Engineer information

What does an internship Slack software engineer do?

An Internship Slack Software Engineer works as a software engineering intern at Slack, contributing to the development and maintenance of Slack’s messaging platform and related features. Interns typically collaborate with experienced engineers, write and test code, debug issues, and participate in team meetings. The internship provides hands-on experience with modern technologies, exposure to best engineering practices, and opportunities to learn about Slack’s product development processes. Interns may also work on projects that improve the Slack user experience or internal tools. The role is designed to help students gain practical skills and prepare for a full-time software engineering career.

What types of projects does an internship Slack software engineer typically work on, and how are their contributions integrated with the broader engineering team?

Internship Slack Software Engineers often participate in real-world projects such as developing new features, fixing bugs, or improving internal tools that directly impact Slack’s product and user experience. Interns are paired with mentors and collaborate closely with experienced engineers through code reviews, stand-ups, and team meetings. Their work is regularly reviewed, and meaningful contributions are merged into production, ensuring interns gain hands-on experience while adding value to the team. This collaborative environment helps interns quickly learn industry best practices and build a professional network within the company.

What are the key skills and qualifications needed to thrive as an internship Slack software engineer, and why are they important?

To thrive as an Internship Slack Software Engineer, you need a solid understanding of computer science fundamentals, proficiency in programming languages like JavaScript or Python, and progress toward a relevant degree such as Computer Science. Familiarity with version control systems (e.g., Git), cloud platforms, and collaboration tools commonly used in software development is expected. Strong problem-solving abilities, effective communication, and a willingness to learn help interns stand out in this collaborative environment. These skills and qualities are essential for delivering high-quality code, efficiently contributing to team projects, and adapting to Slack’s fast-paced tech culture.

What is the difference between Internship Slack Software Engineer vs Entry-Level Slack Software Engineer?

AspectInternship Slack Software EngineerEntry-Level Slack Software Engineer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some work experience or projects
Work EnvironmentPart-time or temporary, often in a mentorship setting, focused on learning and support tasksFull-time, collaborative team environment, involved in development and coding tasks
Employer & Industry UsageUsed by companies like Slack for internship programs to evaluate future hiresEntry-level position in tech companies, including Slack, for new graduates or those transitioning into software engineering

The main difference is that an Internship Slack Software Engineer is a temporary, learning-focused role often held by students or recent graduates, while an Entry-Level Slack Software Engineer is a full-time position requiring some foundational experience. Internships are designed to provide exposure and training, whereas entry-level roles involve contributing to ongoing projects and gaining professional experience.

What are popular job titles related to Internship Slack Software Engineer jobs in Toronto, ON?

For Internship Slack Software Engineer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Internship Slack Software Engineer jobs in Toronto, ON look for?

The top searched job categories for Internship Slack Software Engineer jobs in Toronto, ON are:

Internship Slack Software Engineer jobs near you
Infographic showing various Internship Slack Software Engineer job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Software Engineer

CircleCI

Toronto, ON

Full-time

Re-posted 16 days ago

Job description

About CircleCI Engineering

CI/CD has been solved. Now it's being reinvented. AI agents don't just run pipelines. They write code, trigger builds, interpret failures, and propose fixes. The interfaces that developers use to understand and trust that work don't exist yet. We're building them.

At CircleCI, our guiding principles aren't posters on a wall. We learn fast: we run experiments, accept failure, and scale what works. We think like the customer: every decision connects back to the developer sitting in front of a failing build at 2 am. We own the outcome: not just our slice of it, but the whole thing. If that's how you already work, you'll fit here.

Team-Agnostic Placement

We don't hire for a team. We hire for CircleCI. Where you land depends on where your strengths create the most leverage, and we figure that out together. You might own the CI pipeline experience, deploy and release tooling, notification infrastructure, monetization flows, AI agent surfaces, or the foundational web platform. The through line across all of it is the same: full-stack ownership, a high bar for craft, and work that directly shapes how tens of thousands of developers experience CircleCI every day.

What You'll Do
  • Build AI-natively. AI is how we work. It's not a productivity layer on top of engineering, but the default starting point for how problems get approached and solved.
  • Invent new interfaces. Software delivery is being reinvented. Pipelines run autonomously, generate fixes, and surface results that need human judgment. The tools developers use to understand, trust, and act on that work don't exist yet. You'll define what they look like.
  • Own the full stack. Build features end-to-end in Go, React, and TypeScript. You don't hand off at a layer boundary. You own the outcome.
  • Obsess over craft. Reliability and responsiveness are design concerns, not afterthoughts. Care about how the interface holds up when stakes are high.
  • Champion observability. Use Honeycomb, Datadog, and Rollbar to understand and improve your systems. Operational data drives stability, not just incident response.
  • Pick up slack. You'll notice gaps and close them - not because you were asked, but because that's the standard we hold ourselves to.
What You'll Bring
  • AI-native engineering practices. You use AI tools daily and can speak to what you've built, where they changed your approach, and where they fall short. 
  • A track record of shipping. You've built something real and put it in front of users. 3+ years of production full-stack experience.
  • Full-stack depth. Strong React and TypeScript. Comfortable owning backend services in Go: API design, data modeling, service integration.
  • System design. You think about architecture, not just features. You make conscious tradeoffs and document your reasoning.
  • Production mindset. Latency, responsiveness, and reliability are design concerns. You're comfortable operating services in a distributed environment.
Sound like you?

You've stopped waiting for AI to mature and are already building with it, not as a productivity trick, but as a core part of how you think about problems. You care about the product as much as the code. You're drawn to work where the patterns don't exist yet and the best answer requires you to invent it. If that's how you already operate, we want to talk.

Apply