Senior Fullstack Engineer

Bree
Toronto
Workplace: OnsiteFull timeCAD 170,000 - 230,000 annuallyFunction: Software EngineeringExperience: 3+ yearsSkills: ["Communication","Product judgment","Mentorship","Cross-stack collaboration","Stability focus"]

Own customer-facing features end to end, from discovery and technical design through implementation, testing, rollout, monitoring, and follow-up. Build and modernize Bree’s stack across a TypeScript/Node.js serverless backend (Lambda, API Gateway, SQS) and a React Native app, making sound architectural decisions and instrumenting production stability. Mentor engineers through design and code review while using AI-native development tools to move fast without sacrificing correctness.

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FursaFursa
Bree
Bree
16 hours ago

Senior Fullstack Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 55 minutes agoStatus: Live

Job Summary

Own customer-facing features end to end, from discovery and technical design through implementation, testing, rollout, monitoring, and follow-up. Build and modernize Bree’s stack across a TypeScript/Node.js serverless backend (Lambda, API Gateway, SQS) and a React Native app, making sound architectural decisions and instrumenting production stability. Mentor engineers through design and code review while using AI-native development tools to move fast without sacrificing correctness.
Location: Toronto
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Own the full lifecycle of features: discovery, technical design, implementation, testing, rollout, monitoring, and follow-up.
  • •Build across TypeScript/Node.js serverless backend services (Lambda, API Gateway, SQS) and the React Native application.
  • •Make architectural decisions about service boundaries, data ownership, and when to refactor versus extend systems.
  • •Instrument shipped work and maintain stability without slowing releases.
  • •Mentor other engineers via technical design, code review, and cross-stack collaboration.

Pay and Benefits

Salary: CAD 170,000 - 230,000 annually
Perks:Health InsuranceDentalVisionLearning BudgetHome OfficeWellness StipendMeal AllowanceCommuter BenefitsPaid ParentalPaid LeaveSick Days

Key Requirements

  • •Proven experience shipping customer-facing products end to end with meaningful technical and architectural ownership.
  • •Expert-level TypeScript and fluency in Node, React/React Native, and REST/GraphQL.
  • •Real AWS serverless experience (Lambda, SQS) or equivalent event-driven systems.
  • •Track record refactoring or modernizing existing systems, not only greenfield work.
  • •Pragmatic testing with CI (Jest, RNTL, Detox) and strong communication.
Experience:3+ yearsFintechConsumer financeServerlessAWS
Skills:CommunicationProduct judgmentMentorshipCross-stack collaborationStability focus
Tech Stack:TypeScriptNode.jsAWS LambdaAPI GatewaySQSReact NativeReactRESTGraphQLCodexCursorClaude CodeJestRNTLDetoxPulumiTerraformTestFlightGoogle Play

Company Brief

Bree
Develops Bree, an AI-powered writing assistant that helps individuals and teams generate, edit, and optimize emails, marketing copy, and short-form content to save time and improve messaging consistency.
Industry: AI & Machine Learning
Company Size: Small (11 to 50 employees)
Growth: Early Stage Startup
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