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Full Stack Engineer Intern Jobs in Markham, ON (NOW HIRING)

Prophix

Senior Full-Stack Engineer

Etobicoke, ON · On-site

As a Senior Engineer on the FP&A Plus platform, you will design, build, and maintain the modular .NET capabilities that more than 2,500 finance teams around the world rely on every day for budgeting ...

Citi

Full Stack AI Tech Lead - Vice President

Mississauga, ON · On-site +1

CA$120K - CA$170K/yr

Citi is looking for a skilled and motivated Full Stack Engineer with a strong background in modern enterprise architecture and a growing interest in Artificial Intelligence. This role will contribute ...

New

Quantiphi, Inc.

Full Stack Developer

Toronto, ON · Remote

Full Stack Software Developer Experience Level: 5-10 yrs Work Location: US East/Canada (Remote) Role Overview: We're looking for a Full Stack Software Developer to design and build scalable, high ...

Ci

Full Stack Developer

Toronto, ON · On-site

CA$69K - CA$119K/yr

The Full Stack Developer is responsible for designing and developing web-based and middle-tier applications that support the firm's investment management and trading systems. This role works closely ...

Td

Software Engineer II (Full Stack)

Toronto, ON · On-site

CA$81K - CA$115K/yr

Job Accountabilities - What You'll Do We are looking for a full stack developer that designs, develops, and maintains complex, scalable, and secure full stack solutions aligned to business and ...

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All JobsFull Stack Engineer Intern JobsFull Stack Engineer Intern Jobs in Markham, ON

Full Stack Engineer Intern information

See Markham, ON salary details

$22.7K

$107.9K

$173.8K

How much do full stack engineer intern jobs pay per year?

As of Aug 11, 2026, the average yearly pay for full stack engineer intern in Markham, ON is $107,882.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,001.00 and $142,109.00 per year, depending on experience, location, and employer.

What types of projects and technologies can I expect to work with as a full stack engineer intern?

As a Full Stack Engineer Intern, you can expect to work on a variety of projects ranging from building user interfaces with front-end frameworks like React or Angular to developing backend services using technologies such as Node.js, Python, or Java. Interns often assist with integrating APIs, database management, and testing features in both development and production environments. You'll likely collaborate closely with designers, product managers, and other developers, gaining exposure to the complete software development lifecycle. This hands-on experience is designed to help you build practical skills and contribute meaningful code to real applications.

What is a full stack engineer intern?

Full Stack Engineer Interns are students or recent graduates who assist in developing both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to gain hands-on experience with programming languages, frameworks, and tools used throughout the software development lifecycle. Their responsibilities often include writing code, testing applications, fixing bugs, and collaborating with teams to deliver functional software. Through this internship, they develop practical skills and a deeper understanding of how web systems work end-to-end.

What is the difference between Full Stack Engineer Intern vs Software Developer Intern?

AspectFull Stack Engineer InternSoftware Developer Intern
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldTypically pursuing or recently completed a degree in Computer Science or related field
Work EnvironmentHands-on experience with both front-end and back-end development in a team settingFocus on coding, debugging, and developing software applications, often in a specific area
Employer & Industry UsageTech companies, startups, and organizations seeking versatile interns with full-stack skills

The Full Stack Engineer Intern role involves working across both front-end and back-end technologies, providing a broad development experience. In contrast, a Software Developer Intern may focus more narrowly on specific software components or applications. Both roles are valuable for gaining industry experience, but the Full Stack Engineer Intern position offers a more comprehensive view of the entire development process.

What are the key skills and qualifications needed to thrive as a full stack engineer intern?

To thrive as a Full Stack Engineer Intern, you need a solid understanding of programming languages like JavaScript, HTML, CSS, and at least one backend language, often supported by coursework or relevant project experience. Familiarity with frameworks such as React or Angular, backend systems like Node.js or Django, version control (Git), and basic database management is typically expected. Strong problem-solving skills, eagerness to learn, and effective communication help interns stand out in fast-paced development teams. These skills and qualities are essential for contributing to real-world projects, collaborating effectively, and accelerating professional growth in a technical environment.
What cities near Markham, ON are hiring for Full Stack Engineer Intern jobs? Cities near Markham, ON with the most Full Stack Engineer Intern job openings:
Full Stack Engineer Intern jobs near you
Infographic showing various Full Stack Engineer Intern job openings in Markham, ON as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,882 per year, or $51.9 per hour.

Sr. Software Engineer - Full Stack

Pinterest

Toronto, ON • Hybrid

Full-time

Re-posted 4 days ago

Job description

Our new progressive work model is called PinFlex, a term that's uniquely Pinterest to describe our flexible approach to living and working. Visit our PinFlex landing page to learn more. 

We are looking for inquisitive, well-rounded Full-stack engineers to join our Monetization engineering teams. Working closely with product managers, designers, and backend engineers, you'll play an important role in enabling the newest technologies and experiences. You will build robust frameworks & features. You will empower both developers and Pinners alike. You'll have the opportunity to find creative solutions to thought-provoking problems. Even better, because we covet the kind of courageous thinking that's required in order for big bets and smart risks to pay off, you'll be invited to create and drive new initiatives, seeing them from inception through to technical design, implementation, and release.

What you'll do:

  • Own UI development lifecycle for our monetization products: designing, architecting, and shipping ad-creation flows that power new AI-powered ad formats
  • Build out full-stack Pinner-facing features to power the future of inspiration on Pinterest
  • Contribute to and lead each step of the product development process, from ideation to implementation to release; from rapidly prototyping, running A/B tests, to architecting and building solutions that can scale to support millions of users
  • Partner with design, product, and backend teams to build end-to-end functionality
  • Put on your Pinner hat to suggest new product ideas and features
  • Employ automated testing to build features with a high degree of technical quality, taking responsibility for the components and features you develop
  • Grow as an engineer by working with world-class peers on varied and high impact projects

What we're looking for:

  • 4+ years of industry full-stack development experience, building consumer or business facing products
  • Proven ability to build scalable web UIs using React, Typescript, Redux, GraphQL, and REST APIs
  • Comfortable architecting and building scalable web UIs with React, Typescript, Redux, GraphQL and REST APIs
  • Proficiency in one or more common frontend and fullstack tech stacks: e.g. Javascript, React, API, storage, caching and data processing.
  • Experience in following best practices in writing reliable and maintainable code that may be used by many other engineers
  • Ability to keep up-to-date with new technologies to understand what should be incorporated
  • Strong collaboration and communication skills
  • Bachelor's or Master's degree in a relevant field such as Computer Science, or equivalent experience

Relocation Statement:

  •  This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model.

In-Office Requirement Statement:

  • We let the type of work you do guide the collaboration style. That means we're not always working in an office, but we continue to gather for key moments of collaboration and connection.
  • This role will need to be in the office for in-person collaboration 1-2 times per half and therefore can be situated anywhere in Ontario. 

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