Full Stack Engineer

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 Full Stack 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. We are currently hiring for the following teams: Creatives: The Creatives Team at StackAdapt is on a mission to build a one-stop-shop solution for advertisers' creative production and management needs. We're developing a comprehensive in-house tool that enables clients to create, enhance, preview, store, and manage CTV, video, audio, and DOOH ads at scale—whether using ready-made templates or building from scratch. By delivering a robust, full-featured in-house solution, we aim to reduce reliance on costly third-party creative providers and empower advertisers to move faster and more efficiently. Developer Ecosystem: 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. Delta Force: The Delta Force team is a specialized, cross-functional squad of highly skilled engineers deployed to tackle high-impact “quick wins” and quality-of-life improvements across the platform. Trained in multiple product domains and technical areas, this team operates with speed, precision, and autonomy to eliminate friction points, address user pain, and accelerate value delivery where it’s most needed. Integrations: The Integrations team works closely with our strategic partnerships team to build native app integrations on external platforms like Shopify and Snowflake, with a heavy emphasis on integrating data into our customer data platform (CDP). Billing: The Billing team builds the infrastructure that powers customer billing, invoicing, tax integrations, payment workflows, and cost data across StackAdapt. Candidates will work on complex billing systems, payment gateway integrations, invoicing modernization, direct mail and email billing, and financial workflow automation. Data Hub: The Data Hub team is building a platform that helps brands organize audiences, understand customer journeys, and connect programmatic advertising with marketing technology. Candidates will work on high-visibility initiatives like predictive account scoring, customer retention analytics, external data imports, identity workflows, and vertical audience expansion. Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU StackAdapt is a Remote First company, we are open to candidates located anywhere in Canada for this position. What You'll Be Doing: Building new features in a full stack environment for our developer ecosystem Contribute to technical planning and architectural decision-making Collaborating with team members on designing complex, scalable, well tested, and well documented software Ability to take responsibility and ownership of projects Contribute to code reviews and cross-team collaboration with product managers and designers Write extensible scalable and test-driven software, either in teams or individually depending on the scope of the project What You'll Bring to The Table 2+ years as a full stack developer, involved in end to end development of customer facing features Strong knowledge of API design and development (GraphQL or REST) and experience with building external web components & SDKs Experience with JS frameworks (e.g. React, Redux, Typescript, Material UI) and experience with Ruby(RoR), Javascript/Typescript, or Go Strong problem solving skills in data structures, algorithms, and code optimization Experience working with relational databases like SQL and MySQL and key-value stores 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® #1 DSP on G2 and leader in a number of categories including Cross-Channel Advertising To learn more about our privacy practices, please see our Privacy Policy. #LI-REMOTE Apply To This Job