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Startup Software Developer Internship Jobs in Toronto, ON

Rockstar

Software Engineer

Toronto, ON

Rockstar is recruiting for an early-stage, well-funded startup that is transforming how enterprise ... The founding team brings deep experience from both finance and engineering, having overseen finance ...

ITS Global

Fullstack Developer

Toronto, ON · On-site

We are small, but fast-growing startup, building custom blockchain-based digital identity and ... We are looking for a person with the following skillset: 5+ years of software design and ...

TOPOLIO

Software Engineer, CTO

Toronto, ON · On-site +1

You have walked the talk at various levels and can be effective in all startup roles from scripting ... Software Engineering Expert in Ruby on Rails and/or Java Experience with AWS, Scala, REST, Pyton ...

Modall

Frontend Developer (React/Next.js)

Uxbridge, ON · On-site

CA$60K - CA$80K/yr

About Us Modall is a software development agency based in Uxbridge, Ontario. We are a high ... startup-driven and ambitious. The founders have been building businesses together since 2019 and ...

Modall

Frontend Developer (React/Next.js)

Uxbridge, ON

$60K - $80K/yr

About Us Modall is a software development agency based in Uxbridge, Ontario. We are a high ... startup-driven and ambitious. The founders have been building businesses together since 2019 and ...

TOPOLIO

Software Engineer, CTO (Remote)

Toronto, ON · Remote

We are looking for a talented full stack software engineer to build SaaS application. You are an ... You have walked the talk at various levels and can be effective in all startup roles from scripting ...

Fortive

Senior Software Engineer

Toronto, ON · Remote

We are looking for a highly skilled Senior Software Developer to design, develop, and maintain ... We are a global industrial technology innovator with a startup spirit. Our forward-looking ...

TTEC Digital

Principal Software Engineer

Toronto, ON · Remote

We move like an early-stage startup, backed by the scale, distribution, and enterprise client base ... As this group's Principal Software Engineer , you will be the "right-hand" of the engineering ...

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 ...

BuildOps

Senior Software Engineer

Toronto, ON · On-site +1

We're looking for a Senior Software Engineer to help build and scale the product experiences and ... Comfort working in a fast-paced startup environment where priorities evolve and strong judgment ...

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Startup Software Developer Internship information

What is a startup software developer internship?

A Startup Software Developer Internship is a temporary position where interns work with a startup company to gain experience in software development. Interns typically assist with coding, debugging, testing, and sometimes designing software solutions under the guidance of experienced developers. Working in a startup environment often means exposure to a wide range of tasks and technologies, providing valuable hands-on learning. This type of internship is ideal for students or recent graduates looking to build their technical skills and learn how startups operate.

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

To thrive as a Startup Software Developer Intern, you need fundamental programming skills, familiarity with software development methodologies, and coursework or experience in computer science. Experience with version control systems like Git, and knowledge of popular frameworks or languages such as JavaScript, Python, or React, are typically expected. Strong problem-solving abilities, a collaborative mindset, and adaptability help interns excel in the dynamic and fast-paced startup environment. These skills and qualities are vital for quickly contributing to projects, learning on the job, and directly impacting the startup’s growth.

What unique challenges and learning opportunities can I expect as a startup software developer intern?

As a Startup Software Developer Intern, you'll likely work in a fast-paced and dynamic environment where you'll take on a variety of responsibilities, from coding new features to testing and deploying software. Startups often have smaller teams, so interns frequently collaborate directly with experienced developers, product managers, and even founders, giving you hands-on exposure to the full product lifecycle. You may encounter challenges such as shifting priorities, tight deadlines, and limited resources, but these situations offer valuable opportunities to develop problem-solving skills and adaptability. This role is ideal for those eager to learn quickly and make a tangible impact early in their careers.

What is the difference between Startup Software Developer Internship vs Startup Software Developer?

AspectStartup Software Developer InternshipStartup Software Developer
Required CredentialsTypically pursuing or recent graduate in CS or related fieldBachelor's or higher in CS or related field, some experience preferred
Work EnvironmentTemporary, learning-focused, mentored environmentFull-time, project-driven, collaborative environment
Employer & Industry UsageInternships offered by startups for entry-level experienceFull-time roles in startups, software development teams

The main difference is that a Startup Software Developer Internship is a temporary, learning-focused position for students or recent graduates, while a Startup Software Developer is a full-time role requiring more experience and responsibility. Internships serve as a stepping stone into the industry, whereas full-time developers contribute directly to ongoing projects and product development.

What are popular job titles related to Startup Software Developer Internship jobs in Toronto, ON?

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

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

The top searched job categories for Startup Software Developer Internship jobs in Toronto, ON are:

Startup Software Developer Internship jobs near you
Infographic showing various Startup Software Developer Internship job openings in Toronto, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 57% In-person, 14% Hybrid, and 29% Remote job distribution.

Lead Staff Software Engineer

Talent To Hire Inc.

Toronto, ON • On-site

Full-time

Re-posted 20 days ago

Job description

Lead Software Engineer/ Hands-on – Founding Toronto Team

📍 Toronto (Hybrid 4 days) | 💼 Full-Time | 🚀 AI SaaS Startup

We’re helping an AI-native SaaS startup build its Toronto engineering hub, starting with a founding technical leader who’s eager to scale both systems and teams.

This is a rare opportunity for a Staff Engineer or Engineering Manager who’s still hands-on with code but ready to own architecture, mentor engineers, and help grow a high-impact team from the ground up.

🔧 What You’ll Do

  • Drive technical direction, architecture, and design across backend, frontend, and ML systems

  • Stay hands-on—review code, lead design sessions, and contribute to builds

  • Manage and mentor a growing team across backend, frontend, dev tools, and QA

  • Collaborate closely with the VP of Software and HQ team in Silicon Valley

  • Own delivery of key product features and infrastructure from the Toronto office

  • Lead hiring, onboarding, and shape engineering culture in a new hub

  • Help scale the team from 3 → 20+ engineers over the next 24 months

🌟 We like to speak with you if you offer :

  • 10+ years of software engineering experience

  • Offer 3+ years in a technical leadership or management role

  • Built or scaled cloud-native SaaS platforms (AWS, GCP, or Azure)

  • Have deep expertise in backend systems, frontend architecture, or both

  • Experience building or integrating AI/ML infrastructure or LLM-powered products

  • Demonstrate a track record of leading cross-functional teams in high-growth or startup environments

  • Have been mentoring early-career engineers and growing healthy engineering cultures before

  • (Bonus) : Have experience with developer tools, IDEs, or platforms for engineers

✅ Quick Self-Check:

  • Are you still hands-on but ready to grow and lead others?

  • Do you thrive in startup environments where speed and ownership matter?

  • Have you built scalable, production-grade systems in the cloud?

  • Can you build trust across product, design, ML, and engineering teams?If you answered “yes” to most of these, we’d love to hear from you. This is a unique opportunity to help build both a world-class engineering system and a world-class engineering team—from the ground up.

    Apply: sasha@talenttohire.com | 416-833-3533

For more jobs check us here: https://www.linkedin.com/company/talenttohire