Back end developer

Backend Developer Experience - 3+ Years (React + Nodejs) Responsibilities:
Design and build scalable, responsive frontend ,backend applications using React, node. Implement reusable components, custom hooks, and manage state with Context API and modern patterns. Write clean, maintainable CSS using Sass and Tailwind CSS with semantic HTML5 markup. Architect and develop RESTful APIs and micro services with Node.js, Nest JS, and Type Script. Apply strong security best practices — input validation, authentication, role-based access control, and rate limiting etc. Integrate caching layers (Redis / in-memory) to optimise API performance and reduce database load. Design and manage My SQL database schemas, write efficient queries, and handle migrations. Implement background jobs, cron tasks, and schedulers for automated workflows and data processing. Collaborate with product, design, and QA teams in an Agile/Scrum environment. Participate in code reviews, maintain documentation, and uphold engineering standards. Identify and resolve performance bottlenecks on both the client and server side. Tech stack requirement : – React (functional components, lifecycle, reconciliation) – Context API for global state management – Custom hooks and hook composition patterns – Component-level and global state strategies – Sass (BEM, variables, mixins, partials) – Tailwind CSS (utility-first, responsive design) – Semantic HTML5 — accessibility & SEO awareness – Node.js runtime and event loop fundamentals – Nest JS framework (modules, guards, interceptors, pipes) – Type Script — strict typing, decorators, generics – RESTful API design and versioning – JWT / OAuth2 authentication & security middleware – Caching strategies — Redis, in-memory, HTTP caching – My SQL — schema design, ORM (Type ORM / Sequelize), raw queries – Cron jobs & task schedulers (Nest JS Schedule / node-cron) Nice to have an Idea : ▸ Experience with Docker / containerised deployments. ▸ Familiarity with CI/CD pipelines (Git Hub Actions, Git Lab CI, or similar). ▸ Knowledge of Graph QL or Web Socket-based communication. ▸ Exposure to cloud platforms — AWS. ▸ Understanding of microservices architecture and event-driven systems. ▸ Unit and integration testing experience (Jest, Supertest, React Testing Library). ▸ 3+ years of professional experience in full stack development (React + Node.js). ▸ Strong understanding of web fundamentals — HTTP, REST, browser rendering, security. ▸ Good communication skills and ability to work effectively in a cross-functional team.