Back End Developer

Requirements Proficient in at least one server-side language: Python, Java, Node.js, Go, or .NET Core. Writing clean, modular, and scalable code. Experience with backend frameworks like: Python: Flask, FastAPI, Django, Java: Spring Boot Node.js: Express.js, NestJS Strong expertise in designing and implementing RESTful APIs and GraphQL APIs. Understanding of API authentication (API Keys). Familiar with API documentation tools (Swagger/OpenAPI). Experience with RDBMS (PostgreSQL, MySQL, MS SQL) and NoSQL databases (MongoDB). Writing optimized queries and knowledge of schema design and indexing. Understanding and experience in building scalable microservices.