Senior Backend Developer – Java, Spring Boot, Node.js | Real-Time & Scalable Systems (Uttar Pradesh)

Job Title: Senior Backend Developer Experience: 8–10 Years Location: E - 57 A, Sector 63, Noida Employment Type: Full-time Job Summary We are seeking a highly experienced Senior Backend Developer with 8–10 years of hands-on experience in building scalable, secure, and high-performance backend systems. The ideal candidate must have solid expertise in Java, Spring Boot, Laravel (PHP), Node.js , and real-time communication using WebSockets . You will be responsible for backend architecture, real-time systems, API development, performance optimization, and mentoring , while working closely with frontend, mobile, DevOps, and product teams. Key Responsibilities - Design and develop scalable, high-performance backend systems - Build and maintain RESTful APIs and real-time services using Java (Spring Boot), Laravel, and Node.js - Develop and manage real-time communication using WebSockets (notifications, live updates, dashboards, etc.) - Architect backend solutions for low latency, concurrency, and scalability - Optimize applications for performance, memory, and database efficiency - Design and maintain database schemas, queries, and transactions - Ensure application security , including authentication, authorization, and data protection - Integrate backend systems with frontend, mobile applications, and third-party services - Implement logging, monitoring, and error-handling for production systems - Lead code reviews , enforce best practices, and maintain high code quality - Mentor junior developers and provide technical guidance - Work with DevOps teams on deployment, scaling, and CI/CD pipelines - Troubleshoot and resolve production and performance issues Required Technical Skills - 8–10 years of backend development experience - Strong hands-on experience in: - Java & Spring Boot - Laravel (PHP) - Node.js Proven experience with: WebSockets & real-time communication (Socket.IO, native WebSocket's, STOMP, etc.) - Designing systems with concurrent connections and low latency - Strong understanding of: - REST APIs & Microservices architecture - Object-Oriented Design & Design Patterns - Database expertise: MySQL, PostgreSQL, MongoDB (or similar) - Security knowledge: - JWT, OAuth, role-based access control - Experience with: - Git / Version Control - Linux environments - Exposure to: - Docker, CI/CD pipelines - Message brokers (Kafka, RabbitMQ, Redis Pub/Sub) – preferred - Cloud platforms (AWS, Azure, GCP) – a plus Soft Skills & Leadership - Strong problem-solving and analytical thinking - Ability to own complex backend systems end-to-end - Excellent communication and collaboration skills - Experience mentoring and guiding developers - Ability to work in a fast-paced, agile environment - Strong focus on code quality and best practices What We Offer - Competitive salary and performance-based growth - Opportunity to work on challenging, large-scale systems - Collaborative and technically strong team - Career growth, leadership opportunities, and learning environment