Bestkaam Logo
Back to Jobs
Quantum World Technologies Inc.

Senior Node.js Developer

Actively Reviewing

Quantum World Technologies Inc.

4–8 yrs exp Posted 7 hours ago  · Apply by Sep 14, 2026

Senior Node.js Developer

Canada Remote


Role Overview:

We are seeking a Senior Node.js Developer with 5–8+ years of software development experience to design, develop, and maintain scalable server-side applications. The ideal candidate will have strong expertise in JavaScript, backend architecture, and experience building high-performance APIs and microservices.

Job Responsibilities

  • Develop, test, and maintain server-side applications using Node.js
  • Design and implement RESTful APIs and/or GraphQL services
  • Build scalable, secure, and high-performance backend systems
  • Collaborate with front-end developers, product managers, and QA teams
  • Integrate third-party services, APIs, and databases
  • Optimize applications for maximum speed and scalability
  • Troubleshoot, debug, and upgrade existing systems
  • Write clean, maintainable, and well-documented code
  • Implement security and data protection best practices
  • Participate in code reviews and technical discussions

Required Qualifications

  • 5-8+ years of backend development experience, including 3–5+ years with Node.js and strong proficiency in JavaScript (ES6+)
  • Experience building scalable APIs (REST required, GraphQL a plus) and working with asynchronous/event-driven systems
  • Hands-on experience with Node.js frameworks (Express.js required, NestJS preferred)
  • Solid experience with databases: relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis), plus ORM/ODM tools
  • Strong understanding of authentication & security (JWT, OAuth, RBAC, API security best practices)
  • Experience designing microservices and distributed systems, including caching and messaging (Redis, Kafka, RabbitMQ)
  • Familiarity with cloud platforms and DevOps practices (AWS/Azure/GCP, Docker, CI/CD pipelines)
  • Proficiency in Git and collaborative development workflows
  • Experience with testing frameworks (Jest, Mocha) and writing unit/integration tests
  • Strong knowledge of performance optimization, debugging, and monitoring in backend systems

Soft Skills

  • Leadership and mentoring experience
  • Strong problem-solving and analytical skills
  • Excellent communication and collaboration
  • Ability to drive technical decisions and take ownership