Jobs / Programming / Senior Backend Engineer

PRG-2026-0014

Senior Backend Engineer

US Mobile — Toronto, Canada

💼 Full-time C$140,000 – C$180,000 / year 📍 Hybrid 📈 Senior level 🗓 Posted 25 Sept 2026
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Design and maintain scalable backend services and APIs supporting a rapidly growing telecommunications platform.

About US Mobile

US Mobile develops telecommunications software and services supporting customers across multiple mobile networks.

What you'll do

  • Develop REST APIs
  • Build Java and Python services
  • Design asynchronous service communication
  • Develop MongoDB data models
  • Improve backend architecture
  • Write automated tests
  • Participate in code reviews
  • Tune application performance

What we're looking for

  • Seven or more years of backend engineering experience
  • Strong Java and Spring Boot skills
  • REST API experience
  • Message broker experience
  • MongoDB or NoSQL knowledge
  • CI/CD experience
  • Strong debugging ability
  • System architecture experience

Benefits

  • CAD 140,000-$180,000 annual compensation
  • Hybrid working
  • Healthcare coverage
  • Flexible paid time off
  • Gym reimbursement
  • Equipment allowance
  • Professional development

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