Back-End Developer

3 days ago

Mumbai, Maharashtra, India Jio Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Title:Senior Backend Engineer 

Experience Required:5-10 Years 

Location:Mumbai 

Employment Type:Full-Time 

Department:Engineering - Backend Development 

About the Role 

We are seeking an experienced Senior Backend Engineer to join our team. The ideal candidate will have strong expertise in building scalable, high-performance backend systems with and cloud technologies. You will be responsible for developing and maintaining our cloud-based PC services platform that serves millions of users. 

Key Responsibilities 

  • Design, develop, and maintain robust RESTful APIs and WebSocket services for real-time communication 
  • Build and optimize scalable microservices architecture using and  
  • Implement and manage cloud infrastructure on Azure and Google Cloud Platform 
  • Design and optimize database schemas and queries for MongoDB 
  • Develop real-time features using WebSocket protocols and SocketCluster 
  • Implement secure authentication and authorization mechanisms (JWT, OAuth) 
  • Build and maintain background job processing systems using message queues 
  • Integrate with third-party APIs and services 
  • Write clean, maintainable, and well-documented code 
  • Implement monitoring, logging, and alerting solutions 
  • Participate in code reviews and maintain code quality standards 
  • Mentor junior developers and contribute to technical documentation 
  • Collaborate with frontend developers, DevOps, and product teams 

Required Technical Skills 

Core Technologies (Must Have) 

  • (v18+): 5+ years of production experience with backend development 
  • Strong expertise in building RESTful APIs with framework 
  • MongoDB: 3+ years experience with MongoDB, Mongoose ORM, schema design, and query optimization 
  • Redis: Experience with caching strategies, session management, and distributed locks using Redis 
  • JavaScript/ES6+: Advanced proficiency in modern JavaScript, asynchronous programming, and design patterns 

Cloud & Infrastructure 

  • Azure Services: Hands-on experience with Azure Event Hubs, Azure DevOps, and Azure deployment 
  • Google Cloud Platform (GCP): Experience with GCP Compute Engine, Cloud Storage, and Pub/Sub 
  • Docker: Containerization experience and Docker deployment strategies 
  • CI/CD: Experience with Azure Pipelines and automated deployment workflows 

Real-time & Messaging 

  • WebSocket: Strong understanding of WebSocket protocol and real-time communication patterns 
  • Message Queues: Experience with AMQP, RabbitMQ, or similar message broker systems 
  • Background Jobs: Experience with job scheduling systems (Agenda, Bull, or similar) 

Authentication & Security 

  • JWT/OAuth: Strong understanding of token-based authentication and authorization 
  • Security Best Practices: Knowledge of OWASP Top 10, input validation, rate limiting, and API security 
  • Encryption: Experience with bcrypt, password hashing, and data encryption 

API Development & Documentation 

  • RESTful API Design: Expertise in designing scalable and maintainable REST APIs 
  • API Documentation: Experience with Swagger/OpenAPI specification 
  • API Versioning: Understanding of API versioning strategies 

Development Tools & Practices 

  • Git: Proficient with Git workflows, branching strategies, and code collaboration 
  • Testing: Experience with Jest, unit testing, integration testing, and test-driven development 
  • Code Quality: Familiarity with ESLint, Prettier, and code review processes 
  • Monitoring: Experience with Prometheus, application monitoring, and observability 

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