Full-time Posted June 01, 2026
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Job Description

Position

Senior Backend Developer – Node.js, MongoDB, OAuth, Banking/Finance

Location

Hybrid 3–4 days a week in Toronto, ON (4x onsite requirement)

Visa Status & Duration

Independent Consultant; 12+ months (Long Term Contract or CTH)

What You Will Do

  • Develop robust backend services using Node.js, JavaScript, and REST API design, focusing on scalability and low-latency processing.
  • Design and implement REST APIs with OAuth authentication.
  • Optimize data persistence and retrieval strategies using MongoDB, ensuring high availability for complex client data structures.
  • Explore and implement WebAssembly (Wasm) modules to improve performance for computationally intensive tasks within the browser or server‑side environments.
  • Modernize legacy CLM infrastructure by transitioning to a cloud‑native, microservices‑oriented architecture.
  • Drive the end‑to‑end delivery of technical features....

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