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Senior Back End Developer (Nest.js)

S.i. Systems

Toronto, Ontario, Canada Contract June 01, 2026

Found Description

We’re seeking a Senior Back End Developer to join our growing engineering team. You’ll play a key role in designing and building scalable web applications, mentoring team members, and driving technical excellence.

Key Responsibilities

  • Design, develop, and maintain full-stack applications using Nest.js and TypeORM.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Lead by example in writing clean, maintainable, and testable code.
  • Mentor and coach junior developers, fostering a culture of learning and continuous improvement.
  • Participate in architectural discussions and help shape the technical direction of the team.
  • Optimize application performance and scalability.
  • Contribute to code reviews, technical documentation, and agile ceremonies.
  • Required Skills & Experience

  • 8+ years of professional experience in back end development.
  • ...

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