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Senior Fullstack Engineer

Bree· Engineering
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Hybrid (Toronto)CA$170k - CA$230kFull-timePosted 4w ago

About the role

Senior Fullstack Engineer responsible for owning important product areas from discovery through production release, collaborating with Product, Design, CX, Operations, and other engineers to shape solutions, make technical decisions, and ensure reliability and performance in a fast-growing FinTech environment.

Responsibilities

  • The full lifecycle of a feature, including discovery, technical design, implementation, testing, rollout, monitoring, and follow-up
  • Work across our TypeScript and Node.js serverless backend, including Lambda, API Gateway, and SQS, as well as our React Native application
  • Make practical architectural decisions about service boundaries, data ownership, and when to refactor versus extend an existing system.
  • Instrument what you ship and hold the line on stability without slowing releases.
  • Use tools such as Codex, Cursor and Claude Code to move faster while remaining responsible for correctness, testing, and quality.
  • Mentor other engineers through technical design, code review, and cross-stack collaboration

Qualifications

  • Proven experience shipping customer-facing products end to end, with meaningful technical and architectural ownership.
  • An AI-native development approach: you use tools such as Claude Code and Cursor throughout planning, implementation, debugging, testing, and review, while applying the judgement needed to validate and own the result.
  • Expert-level TypeScript; fluent in Node, React/React Native, REST/GraphQL.
  • Real AWS serverless experience (Lambda, SQS) or equivalent event-driven systems.
  • Track record refactoring or modernizing existing systems, not just greenfield.
  • Pragmatic testing (Jest, RNTL, Detox) wired into CI.
  • Strong product judgment and clear, even-keeled communication.

Skills

Required:TypeScriptNode.jsReact/React NativeAWS serverlessTesting

Benefits

  • Top of the market compensation for top performers
  • Comprehensive health, dental, and vision benefits plan
  • $1,500 annual learning & home-office stipend
  • $1,000 annual wellness stipend
  • Monthly Lunch Stipend
  • Commuter Benefits
  • Paid Parental leave
  • 20 annual PTO days + unlimited sick days
  • Quarterly Team Gatherings
  • In Office Amenities
Last updated Sep 23, 2026. Interested? Apply on the company site.
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About Bree

Chime for Canada, starting with cash advances

Bree is building a challenger bank for the 11 million Canadians living paycheck to paycheck, starting with interest-free cash advances. We make money through tips and an optional, same-day express fee. By solving our customers' most urgent problem—illiquidity between paychecks —our cash advance business is a cheap, but profitable and repeatable hook that builds distribution for a broader challenger bank. This represents a $9 billion revenue opportunity in Canada.

fintech
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