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Backend Node.js Developer Company Overview Mastek is an enterprise digital & cloud transformation specialist that engineers excellence for customers across 40 countries, including the UK, Europe, US, Middle East, Asia Pacific, and India. We help enterprises navigate the digital landscape and stay competitive by unlocking the power of data, modernising applications, and accelerating digital advantage for our customers. Our mission is to deliver top-notch digital solutions that drive success and create value for our clients. Summary of the Role As a Backend Node.js Developer, you will play a crucial role in designing, developing, and maintaining scalable backend systems that power our digital solutions. You will work with cutting-edge technologies and collaborate in a remote environment while contributing significantly to delivering high-quality software services. This position offers the opportunity to work on complex projects with international clients, particularly in the UK and US. Key Responsibilities Design, implement, and maintain server-side applications using Node.js, ES6, or TypeScript. Develop and optimize database schemas and queries using DynamoDB, PostgreSQL, and MySQL. Create secure and scalable RESTful APIs and explore GraphQL for application integration. Write comprehensive unit and integration tests using Jest and supertest to ensure code quality. Utilize CI/CD pipelines with GitLab CI and Docker to streamline deployment processes. Manage authentication and authorization using JWT and OAuth2 protocols. Collaborate with cross-functional teams in an Agile environment, utilizing Jira and Confluence. Monitor application performance and logs using the ELK stack and Datadog. Ensure adherence to best practices for microservices architecture and distributed systems. Contribute to code reviews and maintain clean code standards while mentoring junior developers. Required Qualifications Must-Have 4–8 years of experience in backend development with Node.js, ES6, and TypeScript. Strong database skills: DynamoDB, PostgreSQL, and MySQL, including optimization and query tuning. Experience designing RESTful APIs and knowledge of GraphQL. Proficient in CI/CD tools, particularly GitLab CI, and containerization with Docker. Understanding of authentication and authorization mechanisms (JWT, OAuth2). Familiarity with Agile methodologies and experience with tools like Jira and Confluence. Strong problem-solving skills and the ability to work under pressure. Nice-to-Have Experience migrating code from Java to Node.js, with an understanding of both languages. Knowledge of Redis for caching and messaging queues like SQS, Kafka, or RabbitMQ. AWS experience, specifically with Lambda, API Gateway, S3, CloudWatch, and DynamoDB. Experience developing resilient and secure microservices. Familiarity with monitoring tools such as X-Ray and best practices for logging. Good team player with experience collaborating with international clients. Understanding of Gov/NHS Service Standards and CDDO Technology Code of Practice. Compensation and Benefits We offer competitive compensation along with a range of benefits, including: Flexible work arrangements with a remote-first approach. Health and wellness benefits. Professional development opportunities and learning resources. Generous paid time off and holiday policies. Collaborative and inclusive work culture. Location 📍 Mumbai, Pune, Bangalore, Noida, Chennai, Ahmedabad. Additional Information Opportunity to work on impactful projects and make a difference in the digital landscape. Join a diverse team where your ideas and contributions are valued. Be part of a company that fosters innovation and creativity. Originally posted on Himalayas