Mohd Fayeem
Back-end Developer @Digital India Corporation
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WORK HISTORY
Back-end Developer @Digital India Corporation
Delhi, IN
Developed and maintained frontend dashboards using **Next.js**,**React.js**,**Tailwind CSS**, and **Recharts/Tremor** for data visualization.* Designed and implemented RESTful APIs using **NestJS** for government data access and analytics.* Wrote and optimized **Cube.js schemas** for high-performance analytical queries across multiple datasets.* Improved query performance and caching strategies using Cube Store and defensive query structuring.* Integrated **MongoDB** and **MySQL** databases with clean, scalable schema design and aggregation pipelines.* Implemented robust error handling, null-safe access, and optional chaining to prevent runtime crashes on empty data sets.* Enhanced component resilience by adding fallback values and ensuring smooth UX even in edge cases.* Conducted **unit and integration testing** using **Jest** and **React Testing Library** for both frontend and backend.* Debugged and fixed production issues, including the `TypeError: Cannot read properties of undefined` caused by malformed API responses.* Wrote detailed technical documentation for APIs, component structures, and deployment processes.* Participated in code reviews, team stand-ups, and agile sprint planning to ensure project milestones were met.* Set up Docker-based local development environments and helped optimize CI/CD pipelines.* Worked closely with product managers and data analysts to refine requirements and visualize key metrics for stakeholders.
EDUCATION
IET MJPRU BAREILLY
Electrical engineer
ABOUT MOHD FAYEEM
I\'m a Full-Stack Developer with over 3 years of hands-on experience building scalable and high-performance web applications across industries, including B2B, government, and SaaS platforms. My expertise lies in using modern JavaScript frameworks and libraries like **Next.js**,**React**,**NestJS**,**Node.js**,**Cube.js**, and **MongoDB** to architect and deliver full-cycle products—backend, frontend, and analytics. I believe in clean, modular architecture and focus heavily on performance, usability, and test coverage. I’ve had the privilege of working on impactful projects:**API Setu Project**(Govt. of India – Digital India Corporation):Developed analytics dashboards for national-level API integrations. Built reusable components, chart visualizations, and Cube.js schema definitions. Implemented secure API interactions and enhanced query performance. Led error handling improvements and data resilience in the frontend ecosystem.**B2B Pharma Marketplace Platform**:Built a scalable order and inventory management system for wholesale pharma distribution. Integrated real-time search, authentication, and advanced reporting. Designed the backend in NestJS and frontend in Next.js. Implemented pagination, access control, and secure role-based dashboards.**SaaS ERP Platform for SMEs**:Developed a modular ERP product with support for inventory, billing, HR, and CRM modules. Implemented user management, JWT-based authentication, and RESTful APIs with complete unit and integration tests. Focused on code scalability and multitenancy.🧠 **Tech Stack I Use Regularly**:* Frontend: React.js, Next.js, Tailwind CSS, Recharts, Tremor* Backend: NestJS, Express.js, MongoDB, MySQL* DevOps: Docker, Git, GitHub Actions* Testing: Jest, React Testing Library* Analytics: Cube.js, Highcharts* Tools: Postman, VSCode, MySQL Workbench **Soft Skills**: Strong debugging mindset, collaborative team player, agile development practices, documentation-first approach, and solid communication. Always looking to grow in areas like system design, performance optimization, and cloud-native development. I\'m actively preparing for interviews at MAANG-level companies and open to challenging roles that push the boundaries of scale and complexity.Let’s connect if you\'re working on something innovative, hiring full-stack talent, or want to exchange ideas in web development, analytics, or product architecture!
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