Full Stack Engineer, Total Media

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 Total Media team is focused on building a brand-new ad operating system for the platform. They are developing the foundational infrastructure and gateways required to interact and orchestrate with major digital ecosystems. As a core entry point for multi-channel strategy, the team focuses on complex integrations that allow for seamless, unified execution across the broader advertising landscape.
StackAdapt is a Remote First company, we are open to candidates located anywhere in Canada and the United States for this position.
What You'll Be Doing:
Build and operate integrations that support Ads campaign management lifecycle
Implement a lifecycle state machine and orchestration for activation and updates across entity hierarchies, across multiple advertising and marketing partners
Build reliability patterns for production integrations: rate-limit handling, pagination, batching, circuit breakers, and drift detection/reconciliation for eventual consistency
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
What You'll Bring to the Table:
2+ years of full-time work experience building highly performant web applications
Strong backend experience building API-driven products, including GraphQL and REST
Proven experience integrating third-party / partner APIs in production, including:
Handling rate limits, pagination, retries/backoff, and partial failures
Designing idempotent create/update/activate operations
Translating partner validation errors into clear, actionable user-facing messages
Develop clear internal documentation to help engineers run the application locally and troubleshoot/debug issues efficiently
Experience implementing OAuth 2.0 (authorization code flow + refresh tokens) and secure credential handling (scopes/permissions, token rotation, secrets management)
Strong fundamentals in data modelling and system design for integrations: internal ↔ external ID mapping, status/state mapping, drift detection, and repair/replay tooling
Comfort using AI-assisted developer tooling and/or building agentic workflows to accelerate delivery and improve operational quality
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