Sr. Back end Developer Relevant Experience : 5 Years Job Type : On Site Working Days : Monday to Saturday | 10 AM to 7 PM Location Ahmedabad, India Roles And Responsibility Min 5 years of experience in developing modern web applications using Node. Experience in ExpressJS, NestJS, Flask & Python. Experience in SQL database Experience in node with typescript Good knowledgeable of server and deployment Must have Knowledge of Versioning system like Git / GitHub / Bit Bucket Skill Requirement 5 years of experience in software architecture, system design and development. Strong expertise in a Javascript programming language. Experience working on typescript would be an added advantage. Minimum 4 years of extensive experience on Node.js programming language. Prior experience dealing with customers directly. Can do effective client communication. Experience in developing RESTful Web services using any framework Strong Computer Science fundamentals in Object-Oriented Design and Data Structure s. Experience with working on Agile Software development methodology Experience with Linux programming, or expertise in the areas of Big Data, Networking, Storage, or Virtualization is a big plus Excellent oral and written communication skills, problem-solving and analytical skills Must be able to succeed with minimal resources and supervision Interested candidates can send CV on hr@qaafie.com
Relevant Experience : Minimum 5 Years Job Type : On Site Working Days : Monday to Saturday | 10 AM to 7 PM | Work from Office Location: Ahmedabad, India *Candidates with Notice period of 30 days or Immediate joiner preferred. Primary Responsibilities Architect, design, and develop scalable server-side applications using Node.js. Lead the backend development lifecycle, including requirement analysis, design, implementation, testing, and deployment. Build RESTful and GraphQL APIs with a strong focus on security, performance, and scalability. Integrate third-party services, databases, and internal systems efficiently. Mentor junior developers and conduct code reviews to maintain high code quality and adherence to best practices. Collaborate closely with frontend developers, DevOps, QA, and product teams to deliver end-to-end features. Troubleshoot and optimize performance bottlenecks in high-load production environments. Contribute to DevOps initiatives, including CI/CD pipelines, automated testing, and deployment automation. Stay updated on emerging backend technologies and recommend improvements in processes and tech stacks. Technical Requirements Strong expertise in Node.js, Express.js, and REST API development. Solid experience with JavaScript (ES6+) and TypeScript. Proficiency in MongoDB, PostgreSQL, or other relational and NoSQL databases. Experience with GraphQL and API gateway patterns is a plus. Familiarity with Microservices Architecture, event-driven systems, and message brokers (e.g., RabbitMQ, Kafka). Hands-on knowledge of Docker, Kubernetes, and containerized applications. Deep understanding of authentication and authorization mechanisms (OAuth2, JWT). Strong grasp of asynchronous programming, error handling, and memory management in Node.js. Experience with CI/CD tools such as Jenkins, GitHub Actions, or GitLab CI. Proficient in Git and experienced in working with Agile/Scrum teams. Knowledge of cloud platforms (AWS, Azure, or GCP) for backend hosting and server less functions. Experience Minimum Years of Experience : 5 years Client Communication Required : Yes Interested candidate can send their CV's on hr@qaafie.com