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Full Stack Development Internship Jobs in Ontario

Proof

Senior Full-Stack Developer (Canada)

Ottawa, ON · Remote

CA$135K - CA$165K/yr

... Full-Stack Developer to join our talented engineering team as we scale and expand. What You'll Do ... Backend development using Go (Golang), creating and optimizing APIs, database usage, and core ...

Intuit

Staff Software Developer, Full Stack

Toronto, ON · Hybrid

CA$164K - CA$222K/yr

This engineer should be full-stack and prepared to work at all levels of the application ... They will be directly responsible for the design, development, testing, maintenance, and ...

Alquemy

Full Stack Engineer

Toronto, ON

Full Stack Engineer About the Role We are seeking an Full Stack Engineer to design, develop, deploy ... Strong Python development skills. Experience with LLM application development, including AI agents ...

Quantiphi, Inc.

Full Stack Developer

Toronto, ON · Remote

Role: Full Stack Software Developer Experience Level: 5-10 yrs Work Location: US East/Canada ... In this role, you'll lead the development of API-first, distributed systems and contribute across ...

Synechron

Python Full Stack Developer

Toronto, ON · Hybrid

CA$105K - CA$115K/yr

Through research and development initiatives in our FinLabs we develop solutions for modernization ... As a Full Stack Developer, candidate will be responsible for designing, building, and maintaining ...

Alquemy

Full Stack Developer

Toronto, ON

We are seeking a Full Stack Developer to design, develop, test, deploy, and support software solutions throughout the full software development lifecycle. You will collaborate with cross-functional ...

Voyis

Full Stack Developer - Short Term

Waterloo, ON · Remote

CA$100K - CA$120K/yr

Contribute to technical architecture decisions and help shape engineering best practices Your qualifications: * 5+ years of professional Full Stack development experience * Strong proficiency in ...

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Full Stack Development Internship information

What is a full stack development internship?

A Full Stack Development Internship is a temporary training position where interns gain hands-on experience in both front-end and back-end web development. Interns work with various technologies, such as HTML, CSS, JavaScript, databases, and server-side languages, to build and maintain complete web applications. This role helps aspiring developers understand the software development lifecycle, collaborate with teams, and apply classroom knowledge to real-world projects. It's an excellent opportunity for students or recent graduates to enhance their coding skills and increase their employability in the tech industry.

What types of projects or tasks can I expect to work on during a full stack development internship?

As a Full Stack Development Intern, you will typically work on both front-end and back-end components of web applications. Common tasks include building user interfaces, developing APIs, integrating databases, and collaborating with designers and senior developers to deliver features. You may also be involved in debugging, testing, and deploying code to ensure product stability. This hands-on experience offers a great opportunity to learn industry-standard tools and workflows, while contributing directly to live projects.

What are the key skills and qualifications needed to thrive as a full stack development intern, and why are they important?

To thrive as a Full Stack Development Intern, you need a solid understanding of both front-end (HTML, CSS, JavaScript) and back-end (such as Node.js, Python, or Java) development, often supported by relevant coursework or projects. Familiarity with tools like Git, databases (e.g., MySQL or MongoDB), and frameworks like React or Express.js is typically expected. Strong problem-solving skills, a willingness to learn, and effective communication set standout interns apart. These skills and qualities are crucial for contributing to projects, adapting to new technologies, and collaborating successfully within a development team.

What is the difference between Full Stack Development Internship vs Front End Developer Internship?

AspectFull Stack Development InternshipFront End Developer Internship
Required SkillsHTML, CSS, JavaScript, backend frameworks, databasesHTML, CSS, JavaScript, UI/UX design
Work EnvironmentBoth frontend and backend tasks, collaborative projectsPrimarily UI/UX, client-side development
Industry UsageWeb development companies, startups, tech firmsWeb agencies, tech startups, digital agencies

Full Stack Development Internships involve working on both frontend and backend development, providing a comprehensive experience in web application creation. Front End Developer Internships focus specifically on user interface and client-side features. Both roles are valuable for gaining industry experience, but Full Stack roles offer broader exposure to the entire development process.

What are the most commonly searched types of Full Stack Development jobs in Ontario?

The most popular types of Full Stack Development jobs in Ontario are:

What are popular job titles related to Full Stack Development Internship jobs in Ontario?

For Full Stack Development Internship jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Full Stack Development Internship jobs in Ontario look for?

The top searched job categories for Full Stack Development Internship jobs in Ontario are:

What cities in Ontario are hiring for Full Stack Development Internship jobs?

Cities in Ontario with the most Full Stack Development Internship job openings:

Full Stack Development Internship jobs near you
Infographic showing various Full Stack Development Internship job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Senior Full-Stack Developer (Canada)

Proof

Ottawa, ON • Remote

CA$135K - CA$165K/yr

Full-time

Posted 15 days ago

Job description

About Proof

We're Proof, a high growth company in the legal tech industry founded in 2017. We've built a best-in-class legal services platform used by thousands of law firms with a sustained average growth rate of over 10%. Our marketplace platform helps law firms and pro se parties access more efficient, transparent, and accessible legal services that are not traditionally available to everyone. Our primary services are Service of Process and E-Filing. We currently support over 3,000 law firms throughout the US and countless pro se parties.

We welcome people from all backgrounds who seek the opportunity to help build a future where access to legal services is readily available, affordable, and efficient. Work with us if you have the curiosity, passion, and collaborative spirit to achieve the fundamental change in an outdated industry.

About the Role

Proof is a fast-growing startup at the forefront of legal technology, offering a best-in-class platform trusted by thousands of law firms across the U.S. Our platform is growing rapidly, with a 10% month-over-month growth, and we are seeking a skilled and motivated Senior Full-Stack Developer to join our talented engineering team as we scale and expand.

What You'll Do
  • Collaborate with our team to design, develop, and maintain both frontend and backend components of the Proof platform, ensuring a seamless and responsive user experience
  • Backend development using Go (Golang), creating and optimizing APIs, database usage, and core backend infrastructure.
  • Implement modern, user-friendly interfaces using React and TypeScript, ensuring the platform meets high standards of performance, scalability, and maintainability.
  • Identify and resolve performance bottlenecks, scalability challenges, and security risks across the entire stack.
  • Work closely with cross-functional teams, including Product, and Design to deliver high-impact features and improvements within an agile development environment.
  • Conduct thorough code reviews, uphold best practices, and contribute to a culture of technical excellence. Provide mentorship and guidance to less experienced developers when required.
  • Contribute to the ongoing evolution of the platform by identifying areas for improvement and proactively suggesting and implementing new technologies and methodologies.
What You Bring
  • 3-5 years of full-stack development experience, demonstrating proficiency in both frontend and backend systems and services, with a strong emphasis on building scalable and maintainable applications.
  • Proven experience with Go (Golang) or other modern programming languages (e.g., Node.js, Python, Ruby, C#) in production environments, particularly in designing and implementing robust APIs and backend systems.
  • Solid understanding of frontend development using React and TypeScript, with experience building responsive, high-performance web applications.
  • Familiarity with database management (SQL/NoSQL), and experience integrating databases with backend systems.
  • Strong knowledge of RESTful services, with exposure to GraphQL being an advantage.
  • Experience with automated testing and CI/CD pipelines, ensuring high-quality, reliable code.
  • Excellent problem-solving skills, with the ability to debug, optimize, and refactor complex systems.
  • Strong communication and collaboration skills, with experience working in remote teams and an agile environment.
  • A proactive, self-driven mindset with a desire to continuously learn and improve.
  • Familiar with agentic coding.
Compensation and Benefits
  • Full-time, salaried position
  • Salary range $135,000 - $165,000 CAD based on experience and location
  • Remote role from Canada
  • Flexible time off and holidays to support work-life balance
  • Company-provided equipment and tools
  • Comprehensive benefits package, including healthcare, dental, life, and long-term disability