Staff Software Engineer, Full Stack
StackAdapt
Software Engineering
Canada
Posted on Nov 6, 2025
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.
Engineering at StackAdapt: As an Engineer at StackAdapt, you will be directly involved in the development of our advertising platform, producing production level code that will have a direct impact on the success of our product. You will work with large data sets and have exposure to modern tech stacks around GoLang, Ruby on Rails, React, GraphQL and more. StackAdapt’s engineering organization believes in working collaboratively and cross functionally. You will get the opportunity to work in a diverse and flexible culture with dedicated career paths to help you succeed.
We're seeking a Staff Engineer to help lead our growing full-stack engineering team. The digital advertising industry is riddled with interesting challenges as we continue to scale out our platform with a fast growing list of customers.
Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU
About the Creatives Library team: The Creatives Library Team is building a full fledged library of dynamic creative assets and resources. This library will allow clients to store, host and manage bulk creative assets for ad campaigns on the platform. This library will also include creatives templates for clients to build quick off-the-shelf display ad creatives on the platform. We aim to reduce the need to integrate with expensive third party creative providers that charge on a CPM-basis, and provide a full-featured in-house solution.
What You'll Be Doing
- Design, improve, and debug complex, scalable distributed systems.
- Find solutions to optimize bottlenecks and general system-wide performance.
- Write extensible scalable and test-driven code.
- Take part in technical planning and architectural decision-making.
- Collaborate with team members on designing scalable, well-tested, and well-documented web architecture, including APIs and backend systems.
- Be able to take responsibility and ownership of projects from start to finish.
- Contribute to code reviews and technical spec reviews.
- Be a significant individual contributor and a key asset in delivering critical projects that ultimately bring value to our customers.
- Conduct technical interviews to attract and identify potential high-performing candidates.
What You'll Bring To The Table
- 8+ years of experience building highly performant web applications with outstanding UX.
- Knowledge of our full-stack technologies is highly preferred - Ruby on Rails, React, Typescript, GraphQL, etc.
- Extensive experience working with a test-driven approach to writing code with one or more of our core full-stack (or comparable) technologies.
- Experience collaborating closely with Product & Design to design, implement and iterate on high-impact end-to-end product experiences.
- Experience working with relational databases and key-value stores.
- Experience analyzing, benchmarking and optimizing web application performance across the entire stack.
- Experience leading large-scale modernization efforts to revamp legacy systems from start to finish.
- An appetite for unpacking complexity and simplifying it wherever possible.
StackAdapter's Enjoy:
- Highly competitive salary
- Retirement/ 401K/ Pension Savings globally
- Competitive Paid time off packages including birthday's off!
- Access to a comprehensive mental health care platform
- Health benefits from day one of employment
- Work from home reimbursements
- Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto
- Robust training and onboarding program
- Coverage and support of personal development initiatives (conferences, courses, books etc)
- Access to StackAdapt programmatic courses and certifications to support continuous learning
- An awesome parental leave program
- A friendly, welcoming, and supportive culture
- Our social and team events!
StackAdapt 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:
2024 Best Workplaces for Women and in Canada by Great Place to Work®
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