Senior Software Engineer

Khizer
Hameed.

Building scalable web platforms at the intersection of frontend architecture, Web3, and healthcare technology.

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5+

Years of experience

15+

Shipped products

4

NFT marketplaces built

Web3 · Healthcare

Domains

About

Full-stack engineer who turns ideas into shipped products

Senior Software Engineer with 5+ years of experience building scalable web applications using React.js, Next.js, TypeScript, Node.js, and Redux. Proven expertise in Web3 integration (Web3.js, Ether.js), healthcare technology platforms, NFT marketplace development, and frontend architecture. Experienced in REST API integration, CI/CD pipelines, AWS EC2, and Agile development workflows. Strong track record of leading frontend migrations, delivering reusable component libraries, and mentoring engineering teams.

View My Experience

Open to Work

Available for new roles

  • 5+ years shipping production frontend
  • Web3, DeFi & NFT marketplace experience
  • Healthcare platform & compliance-aware UI
  • Team leadership & technical mentoring
Skills

Tools of the trade

A toolkit built across five years of production frontend, Web3, and healthcare platform work.

Languages

JavaScriptTypeScriptHTMLCSS

Frameworks & Libraries

React.jsNext.jsReduxRedux ToolkitNode.jsExpress.jsTailwind CSSBootstrapMaterial UIJestCypress

Web3 & DeFi

Web3.jsEther.jsMoralisSubgraphMetamask

Tools & Platforms

GitNPMYarnViteWebpackVercelAWS EC2DockerCI/CDREST APIsMongoDB

Leadership

Team LeadershipTechnical MentoringProblem SolvingCommunicationAgile/Scrum
Experience

Where I've built

Five years, four teams, one throughline: scalable frontend architecture.

  1. Senior Software Engineer · Datarovers

    Jan 2024 — Present

    United States (Remote)

    • Developed and maintained healthcare web applications for tracking and analyzing claim revenue cycles.
    • Built scalable frontend architectures using React.js, Redux Toolkit, and TypeScript.
    • Developed chatbot web applications for healthcare policy guidance using React.js and Microsoft Azure.
    • Integrated REST APIs for healthcare data with robust error handling and optimized loading states.
    • Collaborated with cross-functional teams to align UI/UX with healthcare business requirements.
    • Implemented unit and integration tests using Jest to ensure high code quality and reliability.
    • Contributed to CI/CD pipeline improvements and deployment automation strategies.

  2. Senior Software Engineer · OptimusFox

    Feb 2022 — Dec 2023

    United States (Remote)

    • Developed and deployed full-stack web applications across multiple production environments.
    • Conducted unit and integration testing of REST APIs ensuring reliability and performance.
    • Integrated Web3 functionality with React.js and Node.js using Ether.js for NFT and DeFi platforms.
    • Designed and implemented architecture-level solutions for scalable front-end applications.
    • Created reusable component libraries and custom React hooks to accelerate development.
    • Managed global application state using Redux.js and Redux Toolkit.
    • Developed middleware layers to reduce redundant code and improve maintainability.
    • Planned and coordinated workflow and sprint strategies across project development cycles.

  3. Senior Software Engineer · Tributify

    Jul 2021 — Jan 2022

    United States (Remote)

    • Architected the new frontend in React.js replacing a legacy Livewire stack for improved performance and scalability.
    • Migrated key business logic and UI components from Livewire to React, enhancing user experience.
    • Introduced reusable component libraries and custom hooks to streamline development consistency.
    • Integrated REST APIs with comprehensive error handling and loading state management.
    • Established Redux for scalable global state management across the application.
    • Set up Vite bundler for faster build times and hot module reloading during development.
    • Provided technical leadership, code reviews, and mentoring to ensure engineering best practices.

  4. Software Engineer · Miranz Technologies

    Nov 2020 — Jul 2021

    Pakistan

    • Developed the frontend of the Firestarter Web 3.0 platform from specifications to production.
    • Built responsive decentralized applications (dApps) compatible with web and mobile browsers.
    • Connected the frontend to smart contracts using Web3.js and Ether.js.
    • Integrated third-party APIs to enhance dApp functionality and user experience.
    • Established standard front-end engineering practices and documentation for the team.
    • Owned and autonomously delivered well-tested, reusable, and documented code.
Projects

Selected work

NFT marketplaces, DeFi platforms, and healthcare tools shipped to production.

Web3 / NFT

Gladiator Finance

NFT marketplace for 3D gladiator NFTs with buying, listing, selling, bidding, battles, and reward collection.

React.jsRedux ToolkitTypeScriptNode.jsMongoDBEther.jsWeb3.js
Healthcare

Eligibility Copilot & Lida Chatbot

Chatbot web applications for healthcare policy guidance, integrated with Microsoft Azure.

React.jsRedux ToolkitMicrosoft Azure
Web3 / NFT

Foxhouse NFT Marketplace

Full-featured NFT marketplace with auctions, bidding, listings, and user profiles.

React.jsRedux.jsNode.jsExpress.jsMongoDBMetamaskEther.js
Web3 / NFT

Chimera NFT Marketplace

NFT marketplace with buying, selling, bidding, auctions, and marketplace commission fees.

React.jsRedux.jsNode.jsExpress.jsMongoDBMetamaskPinata CloudEther.js
Web3 / NFT

Noor NFT — Digital Art Marketplace

NFT marketplace for digital art built on smart contracts.

React.jsReduxNode.jsMongoDBWeb3.js
Healthcare

Datarovers — Healthcare Revenue Cycle

Healthcare web application for tracking and analyzing claim revenue cycles.

React.jsRedux ToolkitTypeScript
Platform

Dinisium — Asset Management Platform

Multi-portal asset management ecosystem (user, admin, super admin) deployed via Docker.

React.jsDocker
Platform

Click Plans — 2D/3D Home Design Tool

Full-stack development on a 2D/3D home design platform.

Node.jsReact.jsMongoDB
Web3 / NFT

Defispot — DeFi Platform

User interface and REST APIs for a decentralized finance platform.

React.jsNode.js
Web3 / NFT

Flashloan Bot — Trading Automation

CLI-based TypeScript server bot for automated trading across exchanges.

TypeScriptNode.js
Web3 / NFT

AccadiaOne — NFT Airdrop

NFT airdrop website built on Web3 with IPFS for decentralized data storage.

React.jsWeb3.jsIPFS
Platform

Tributify — Gifting & Wishlist Platform

Redesigned the gifting platform, migrating from Livewire to React.js with Redux Toolkit for improved performance and maintainability.

React.jsRedux Toolkit
Contact

Let's build something

Open to senior frontend, full-stack, and Web3 engineering roles. Reach out directly — no forms, no gatekeeping.

khizerhameed6@gmail.com

Lahore, Pakistan (Remote)

EmailLinkedInGitHub