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

Checkmate — terminal
Repository
Checkmate(bluewave-labs)

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 Internship
Jan 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 2024

Awarded for exceptional cross-team collaboration and delivering the NFFL and Agent ID features under tight timelines at DIRECTV.

🏆 Doing the Right Thing

September 2024

Recognized for taking full ownership of the MDU-DTH commitment flow and contributing clean, scalable code while mentoring junior developers.

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