Software Quality Engineer Intern - Fall 2026

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels.

StackAdapt is the no. 1 performing programmatic advertising platform helping brands accelerate customer engagement and acquisition. This state-of-the-art platform is where some of the most progressive work in machine learning meets cutting-edge user experience.

Ranking the highest in performance by G2 Crowd for the fourth time, we're one of the fastest growing companies in Canada and ranks 6th in Deloitte's Technology Fast 50 ranking and 23rd in Fast 500 in North America.

At StackAdapt, we're helping clients deliver exceptional advertising outcomes by building the best omni-channel demand-side platform. The web team owns the full experience of StackAdapt's sophisticated client-facing platform. We work closely with designers and product managers to build powerful end-to-end features which enable clients to better plan, execute, and analyze their ad campaigns.

Learn more about our engineering culture here: https://www.stackadapt.com/artificial-intelligence-in-advertising

Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU

What you'll be doing:

• Participate in the development of in-house automated and functional test scripts and tooling that address areas such as functional, system, API, integration, UI and regression testing

• Write automated tests for end to end platform tests to ensure the reliability of product capabilities for internal and external users

• Work collaboratively with Platform, Product, DevOps, and other teams in order to deploy and run automated tests on test environments with CI/CD

• Collaborate with other quality engineers and developers to increase automation coverage and enhance the automation framework

• Participate in technical planning, code review and architectural decision-making

What you bring the to the table:

• Previous internship experience where you've worked on quality assurance or testing of web applications

• Must be currently enrolled in a Computer Science, Software Engineering or similar program at a post-secondary institution

• Knowledge of at least one of Javascript, Typescript, Python, or Ruby

• Prior experience with API & UI test automation frameworks such as Playwright, Cypress, Selenium, Jest or Mocha

• Understanding of scalable system design and web-based API testing

• Ability to identify potential quality issues and technical debt, ensuring high level of code quality and stability

• Experience working with relational databases

The compensation range listed for this role reflects the expected hourly rate for candidates located in Ontario, Canada. It is informed by market data and the approved budget for this position. StackAdapt maintains different compensation ranges for roles across other countries and regions, and final offers will be aligned to the candidate's current location.

This range represents hourly rate only. Depending on the role, candidates may also be eligible for additional compensation such as annual bonuses, commissions, equity awards, and a comprehensive benefits package.

Factors Influencing Final Compensation:

• The final compensation offer will be determined by a variety of factors, which may include, but are not limited to: the candidate's specific experience, technical skills, knowledge, abilities, and relevant education, licensure, and certifications.

• Other business factors, such as organizational needs and budget alignment, may also be considered in the final offer.

Ontario Hourly Band$25—$35 CADStackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe. No matter who you are, where you are from, who you love, follow in faith, disability (or superpower) status, ethnicity, or the gender you identify with (if you're comfortable, let us know your pronouns), you are welcome at StackAdapt. If you have any requests or requirements to support you throughout any part of the interview process, please let our Talent team know.

About StackAdapt

We've been recognized for our diverse and supportive workplace, high performing campaigns, award-winning customer service, and innovation. We've been awarded:

Ad Age Best Places to Work 2024
G2 Top Software and Top Marketing and Advertising Product for 2024
Campaign's Best Places to Work 2023 for the UK
2024 Best Workplaces for Women and in Canada by Great Place to Work®
#1 DSP on G2 and leader in a number of categories including Cross-Channel Advertising