Full Stack Engineer, Developer Ecosystem

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.

About the Team:

The Developer Ecosystem team enables software builders to leverage StackAdapt’s proprietary platform through APIs and MCPs. We maintain the GraphQL Public API and peripheral services, the MCP servers and tools which power our AI system (Ivy), as well as external customers’ agents. We are at the forefront of innovation in the engineering department, working cross-functionally with Data Science, Business Intelligence, and various teams to build powerful AI and automation solutions.

StackAdapt is a Remote First company, we are open to candidates located anywhere in Canada for this position.

What You'll Be Doing:

• Design, improve, and debug complex, scalable distributed systems
• Find solutions to optimize bottle-necks and general system wide performance
• Always on the lookout to keep the tech stack updated with current standards
• 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

What You'll Bring to the Table:

• 3 years of full-time work experience building highly performant web applications
• Knowledge of our full-stack technologies is highly preferred - Typescript, NodeJS, GraphQL, Ruby on Rails etc.
• Experience with a technical project end-to-end, from design to delivery
• Strong understanding of scalable system design for web-based APIs and backend processing systems
• 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 working on large scale Ruby on Rails / NodeJS projects
• Basic knowledge of AWS or other equivalent cloud platforms (GCP, Azure, etc.)
• Experience analyzing, benchmarking and optimizing web application page load performance across the entire stack
• Experience with creatives, AdTag or programmatic advertising is a plus

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 program
• 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!

Please note: Benefits and perks may vary depending on your country of employment and the nature of your engagement. In locations where StackAdapt does not have a legal entity, employment and benefits are administered in accordance with local regulations and partner policies.

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. We use artificial intelligence (AI) to streamline the resume reviews of candidates and assess their fit based on the criteria outlined in the job posting.

We do not use AI to make any final hiring or interview decisions. 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: G2 Top Software for 2026

2026 Best Workplaces™ for Young Talent and in Canada by Great Place to Work®

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