Senior Backend Developer

3 weeks ago

Karachi, Sindh, Pakistan Ovrlod Full time

We're looking for a Senior Backend Developer with deep expertise in Node.js to join our growing development team. You'll be responsible for building scalable backend systems, APIs, and microservices that power our web and mobile platforms. If you're passionate about clean architecture, performance, and building products that scale—this one's for you.

Key Responsibilities:
  • Design and develop robust, scalable, and secure server-side applications using Node.js.
  • Architect RESTful and/or GraphQL APIs that are efficient, versioned, and well-documented.
  • Work closely with frontend, DevOps, and product teams to implement features end-to-end.
  • Optimize code for performance and scalability across distributed systems.
  • Write clean, maintainable, and testable code (TDD/BDD where appropriate).
  • Implement and manage databases (SQL and NoSQL), caching layers, and queues.
  • Ensure best practices in API security, authentication (OAuth2, JWT), and authorization.
  • Participate in code reviews and mentor junior developers when needed.
Required Skills & Qualifications:
  • 5+ years of professional backend development experience.
  • Strong hands-on experience with Node.js, Express.js, or similar frameworks.
  • Deep understanding of JavaScript/TypeScript, asynchronous programming, and event-driven architecture.
  • Proficient in database design and working with both SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis).
  • Experience with API integrations, authentication protocols, and third-party services.
  • Familiarity with containerization (Docker) and CI/CD pipelines.
  • Knowledge of message brokers like RabbitMQ, Kafka, or Redis Streams.
  • Strong problem-solving, debugging, and performance tuning skills.
Seniority level

Mid-Senior level

Employment type

Full-time

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