Back End Developer(Nest.JS)

********* Job Title: Backend Developer (NestJS) ********* Location: Mumbai Work Mode: Work From Office (5 Days a Week) Shift: IST Time Zone Experience: 3-5 Years Industry: FinTech Interview Mode: Face-to-Face Selection Process: Virtual Coding Round + Face-to-Face Technical Interview ********** What we want ********** We are looking for a Backend Developer with strong expertise in NestJS , TypeScript , Node.js , and MySQL to build scalable and secure backend systems. We are specifically looking for candidates with hands-on NestJS development experience . NOTE: Candidates having only Node.js , Express.js , Frontend Development , or Full Stack exposure without significant NestJS experience will not be considered. ********** Must-haves ********** 3-6 years of Backend Development experience Strong hands-on experience with NestJS Strong proficiency in TypeScript Strong fundamentals of JavaScript Good understanding of Node.js Runtime Experience developing RESTful APIs Experience with Dependency Injection Experience with DTOs , Validation Pipes , Middleware , Guards , and Interceptors Experience implementing Authentication and Authorization Strong experience with MySQL Knowledge of Transactions and Query Optimization Understanding of SOLID Principles and Clean Architecture Experience building Scalable Backend Services Experience with Git and Version Control Systems Bachelor's Degree in Computer Science , IT , or related field ********** Good to have (big plus) ********** RabbitMQ or Kafka Microservices Architecture Redis Docker AWS (EC2, RDS, S3) WebSockets Nginx FinTech Domain Experience ********** What the role actually involves ********** Build scalable backend applications using NestJS and TypeScript Design and develop secure REST APIs Implement business logic following Clean Architecture Principles Design and optimize MySQL Schemas and Queries Build Asynchronous and Event-Driven Workflows Integrate Third-Party APIs and services Ensure Application Security , Reliability , and Scalability Collaborate with Product , QA , and DevOps Teams Write Clean , Maintainable , and Testable Code