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Senior Full Stack Software Engineer

Toronto, Ontario, Canada🌐 Remote💼 Full-time🗓 2026-06-17 → 2026-08-01

Core

Lead a growing full-stack engineering team to build and scale a high-performance programmatic advertising platform serving marketers.

Role type

Senior Full Stack Software Engineer (Team Lead)

Builds

Scalable web APIs, component libraries, and backend systems for the StackAdapt Marketing Platform

Domain

Digital Advertising / Programmatic Advertising

Deliverable

production ML models | product features | infrastructure

Required skills

Go, Ruby on Rails, React, GraphQL, TypeScript, relational databases, key-value stores, system performance optimization, technical architecture, code review, team mentorship

Preferred skills

Test-driven development, large-scale system modernization, end-to-end product experience design

Technologies

Go, Ruby on Rails, React, GraphQL, TypeScript

Responsibilities

Advise the team on pragmatic technical approaches and architectural decisions; structure iterative plans for delivering effective solutions; architect scalable web APIs and backend systems; collaborate with Data Science, Product, and Design to solve technical challenges; consolidate technical debt; mentor the team and conduct code reviews; identify and resolve system-wide performance bottlenecks; deliver critical projects for customers

Seniority

Senior, hands-on IC with team leadership

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