Senior Node.js Engineer

We are looking for a Senior Node.js Engineer to join our team. Our client is a leading Canadian online brokerage and wealth management fintech. The role involves leading the design and delivery of Node.js/TypeScript services and APIs, and building front-end features in React and React Native.

• Lead technical design and delivery of complex features and services, documenting architectural trade-offs.
• Design and build Node.js/TypeScript services and RESTful APIs within a microservices or service-oriented architecture.
• Build and maintain front-end features in ReactJS (web) and React Native (mobile) together with the pod.
• Break down large, ambiguous problems into deliverable increments and sequence them with product partners.
• Set and enforce engineering standards for code quality, testing, security, observability, and operational readiness.
• Own performance and scalability of your area: profile, find bottlenecks, and optimize under production load, including real-time data streaming.
• Mentor intermediate and junior developers through code reviews and pairing.
• Partner with Product, UX, Enterprise Architecture and Security on scalable, resilient and compliant designs.
• Take part in incident response and on-call rotations, and drive blameless post-incident reviews to closure.
• Explore and adopt AI tools that improve developer productivity.

• 6+ years of experience building, shipping, and operating production software.
• 5+ years of hands-on experience with Node.js and TypeScript, including designing APIs, data models, and distributed systems under production load.
• 1+ years of commercial experience with React and/or React Native (Expo or Bare), with readiness to work across web and mobile.
• Proven experience with RESTful APIs and microservices or service-oriented architectures.
• Practical experience with relational and/or NoSQL databases, including query performance tuning.
• Cloud-native experience (GCP preferred; AWS or Azure considered), CI/CD, and containerized workloads.
• Experience leading technical initiatives across several developers without formal authority.
• Strong communication skills in English, able to explain technical trade-offs to engineering and cross-functional audiences.
• Bachelor's degree in Computer Science, Software Engineering or a related field, or equivalent practical experience.
• Nice to have: Real-time data streaming technologies (WebSockets, Kafka, Pub/Sub) or low-latency financial/trading systems.
• Nice to have: Kubernetes, Terraform, and other infrastructure-as-code tooling.
• Nice to have: Domain experience in financial services, brokerage, trading or other regulated environments.
• Nice to have: Experience with AI-boosted tools like Claude Code
• Nice to have: Knowledge of secure development practices, threat modeling or DevSecOps.
• Nice to have: Experience building AI/ML-enabled features.
• Nice to have: Angular experience.

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits