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    InternshipsStackAdaptSoftware Engineer Intern - Fall 2026

    Software Engineer Intern - Fall 2026

    StackAdapt logo

    StackAdapt

    The leading technology company that empowers marketers to reach, engage, and convert audiences with precision.

    1,001-5,000 employeesFounded 2014Toronto, ONTechnology, Information and Internet
    Posted 28 days agoApply by Aug 7Actively hiringPaidFall 2026Technology, Information and Internet

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    About the role#

    As a Software Engineer Intern at StackAdapt, you will contribute directly to the development of our advertising platform. You will produce production-level code that impacts our product's success, working with large datasets and modern technology stacks. You will work within a collaborative, cross-functional engineering team.

    What you'll do#

    • Take ownership of product solutions by utilizing various systems and technologies.
    • Build new product capabilities and enhance existing features for internal and external users.
    • Solve complex technical problems and write scalable, efficient software.
    • Collaborate with product managers, designers, and other developers to advance the product.
    • Contribute to code reviews, technical architecture, design documentation, and technical issue resolution.

    What you'll need#

    • Current enrollment in a Computer Science, Computer Engineering, Data Science, Electrical Engineering, Mathematics, or similar post-secondary program.
    • Previous internship experience building full-stack web applications using Python, Ruby, or JavaScript.
    • Knowledge of full-stack technologies including Ruby on Rails, React, Redux, JavaScript, Material UI, TypeScript, and GraphQL.
    • Strong understanding of scalable system design for web-based APIs and backend processing systems.
    • Proficiency in data structures, algorithms, and code optimization.
    • Experience working with relational databases and key-value stores.
    • Experience with test-driven development.
    • Ability to identify and address technical debt to maintain code quality.

    Location & details#

    • Location: Ontario, Canada.
    • Term: Fall 2026.
    • Modality: On-site.
    • Employment: Full-time, paid internship.
    • Compensation: $35, $55 CAD per hour.
    Relevant fieldsComputer ScienceComputer EngineeringData ScienceElectrical EngineeringMathematics

    About StackAdapt

    Founded in 2014 and headquartered in Toronto, StackAdapt is a privately held technology company with a workforce of 1,001 to 5,000 employees. The organization provides a programmatic advertising platform that supports planning, execution, and analysis for digital marketing campaigns across channels including native, display, audio, and connected TV. It serves a global client base spanning North America, EMEA, APAC, and LATAM.

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    StackAdapt logoStackAdapt
    Open internships1
    Employees1,001-5,000 employees
    Founded2014

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