Note: The job is a remote job and is open to candidates in USA. StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. As a Full Stack Engineer, you will be involved in the development of the advertising platform, focusing on building integrations and ensuring the reliability of production-level code.

Responsibilities

• 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

Skills

• 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

Benefits

• 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!

Company Overview