Mohansai Mallineni
Full Stack Developer — React / Next.js / TypeScript / MERN
Frontend-focused full stack engineer specializing in scalable React & Next.js applications — with hands-on production experience in TypeScript and the MERN stack. I craft performant, accessible, and modern UIs that deliver real business value.
Behind the Screen
Turning ideas into scalable, modern web experiences. I’m Mohansai Mallineni, a full-stack developer who thrives on building clean, performant apps and experimenting with the latest tech.
Beyond code, I explore open source, dabble in AI, and chase fresh ways to make digital experiences smoother, faster, and more impactful.
Crafted with Code
✈️ FlightFinder (Full Stack Flight Discovery App)
A full-stack flight search platform built with React and Node.js. Integrates real-world datasets (Goibibo, airport codes, CO₂ emissions) and supports live flight cards, airport search, and airline logo matching. MongoDB powers backend storage, while Redux manages frontend state.
- React
- Redux
- Node.js
- Express.js
- MongoDB
- Framer Motion
🔖 LinkNest (Full Stack Bookmarks App — In Progress)
A modern bookmark manager to save, categorize, and search links with speed. Built using Next.js, TypeScript, GraphQL, and Redux. Will support authentication, responsive UI, and smooth animations using Framer Motion.
- Next.js
- TypeScript
- Redux
- GraphQL
- Framer Motion
- MongoDB
📔 E-Bookstore (MERN Stack — Prototype)
A partially completed e-commerce application built with the MERN stack. Includes product listing, cart, user authentication, and basic admin functionality. Created as a learning project during internship.
- React
- Node.js
- Express
- MongoDB
Open Source Contributions
A developer-focused internal dashboard for team & account management. I contributed UX polish, logic refactors, and consistent component styling.
My Journey So Far
Full stack Developer
DIRECTV (Client - via Cognizant)Jan 2023 - Present
- ▹Refactored CMS API logic to improve performance and enable reusable component rendering.
- ▹Re-architected frontend API headers to align with evolving business rules and downstream services.
- ▹Implemented role-based permissions for NFFL order editing, enhancing user-specific access control.
- ▹Developed PNP messaging logic by integrating CMS-based time-sensitive alerts within the UI.
- ▹Owned and delivered the MDU-DTH module: enabled commitment duration filters with global data propagation.
- ▹Contributed to RoadRunner payload structuring based on order type, enhancing flow accuracy and UI reliability.
- ▹Collaborated on FTC 3D Framework implementation, transforming and mapping key data fields throughout the app.
Frontend Developer
CUNA Mutual (Client - via Cognizant)Aug 2021 - Jan 2023
- ▹Modernized a legacy insurance application into a responsive React-based web platform.
- ▹Developed dynamic UI components with React and Context API to support critical product workflows.
- ▹Adapted quickly to complex business logic and participated in high-impact feature delivery in Agile teams.
Intern
Cognizant InternshipJan 2021 - Jun 2021
- ▹Built a full-stack eBookstore using the MERN stack with user authentication and admin features.
- ▹Practiced REST API integration, component-driven development, and state handling in a team environment.
Honors & High Fives
🏆 Working as One
April 2024Awarded for exceptional cross-team collaboration and delivering the NFFL and Agent ID features under tight timelines at DIRECTV.
🏆 Doing the Right Thing
September 2024Recognized for taking full ownership of the MDU-DTH commitment flow and contributing clean, scalable code while mentoring junior developers.