Lead MERN Stack Developer | Hyderabad | Fulltime | AiFA Labs

Title: Lead MERN Stack DeveloperLocation: Hyderabad

Job Summary

We are seeking a Senior Fullstack Developer with 6 to 10 years of experience to join our product engineering team. The ideal candidate will have hands-on expertise in React with TypeScript for frontend development and Node.js or Python for backend development, along with solid experience working with MongoDB or PostgreSQL databases. You will be responsible for building scalable, performant, and secure Fullstack applications end-to-end and will collaborate closely with UI/UX designers, DevOps engineers, and other developers.

Roles & Responsibilities

Design, develop, and maintain scalable web applications across the frontend and backend.Build reusable, performant components and libraries using React with TypeScript.Implement backend services, APIs, and business logic using Node.js (Express.js) or Python (FastAPI, Flask, or Django).Design and manage schemas, queries, and performance tuning for MongoDB or PostgreSQL.Collaborate with UI/UX designers to ensure technical feasibility and pixel-perfect implementation.Integrate third-party APIs, microservices, and internal RESTful services securely and efficiently.Ensure end-to-end performance, responsiveness, and scalability of the system.Write unit, integration, and end-to-end tests for both frontend and backend code.Conduct code reviews, enforce coding standards, and mentor junior developers.Participate in Agile/Scrum ceremonies and contribute to continuous improvement efforts.Monitor and troubleshoot production issues, implement fixes, and suggest architectural improvements.

Frontend

Required Skills:Strong proficiency in React.js with TypeScriptExperience with state management (Redux, Context API, Zustand, or similar)Responsive design implementation with Tailwind CSS, Material UI, or BootstrapProficient in modern HTML5, CSS3 (Flexbox, Grid), and JavaScript ES6+Familiarity with frontend build tools like Webpack, Vite, or Parcel

Backend

Hands-on experience in Node.js (Express/NestJS) or Python (FastAPI/Flask/Django)REST API design, development, and documentationUnderstanding of authentication, authorization, and security best practices (JWT, OAuth, etc.)Experience with asynchronous programming and background jobs (Celery, BullMQ, etc.)

Database

Experience in MongoDB (document modeling, aggregation pipeline) or PostgreSQL (relational schema design, query optimization)Understanding of data indexing, transactions, and backups

Other

Version control using GitFamiliarity with CI/CD pipelinesExposure to Docker and cloud platforms (AWS, GCP, Azure) is a plusExperience with testing frameworks (Jest, Mocha, PyTest, etc.)

Soft Skills

Strong analytical and problem-solving abilitiesAbility to break down complex problems into manageable modulesExcellent communication and team collaboration skillsWillingness to take ownership of tasks and deliver high-quality solutionsAttention to detail and passion for clean, maintainable cod

Preferred Qualifications

Bachelor’s degree in Computer Science, Engineering, or related field6 to 10 years of professional Full stack development experienceSkills: typescript,api,node.js,python,mongodb,react