Amartya Singh

Full Stack Engineer proficient in Next.js, Node.js and Web3

Reach out to me on any of the following platforms

Experience

Apr 2025 - Current

Frontend Engineer

Building the Nexus SDK, Avail's meta-interoperability protocol that connects liquidity, assets, and coordination logic across blockchains. Nexus eliminates manual bridging, swapping, and chain switching to create a seamless 'bridgeless' user experience. Designed and shipped the Nexus Elements component library, integrated cross-chain transaction flows (Bridge, Send, BridgeAndExecute), and automated the SDK release pipeline.

TypeScript · React · Nexus SDK · shadcn/ui · Node.js · Vite · GitHub Actions

Feb 2024 - Apr 2025

Frontend Engineer II

GAMP (previously Aura)

Led the frontend through GAMP's pivot from Web3 to social gaming. Built major features like Rewards, Events, and Buddies; integrated embedded wallets (Openfort) and Riot authentication; optimized SEO and performance with SSR. Scaled the platform to over 100K users with 10K smart wallets.

Next.js · TypeScript · React · Openfort · Puppeteer · PostgreSQL · Microservices

Aug 2023 - Feb 2024

Full Stack Developer

Mojoboxx

Built an online hotel booking platform in partnership with Cleartrip. Implemented booking and payment flows, integrated Google Maps, Paytm, and Cleartrip APIs, and optimized the UX with responsive, mobile-first design.

React · Node.js · Express · SQL · Redux Toolkit · REST APIs · AWS

July 2022 - May 2023

iOS Developer

Amadeus

Developed UIKit-based features in Swift and Objective-C for Amadeus's white-label airline apps. Implemented MVVM patterns, feature flags, and networking optimizations to improve stability, maintainability, and app performance.

Swift · Objective-C · UIKit · MVVM · REST APIs · Xcode

June 2021 - August 2021

Software Engineer Intern

CSRN

Conceptualized a project-management platform prototype to streamline coordination for upcoming initiatives across the organization.

React · MongoDB · HTML/CSS · JavaScript

Projects

Nexus SDK (Core)

View

Core SDK powering Avail's Nexus, a meta-interoperability protocol connecting liquidity, assets, and logic across blockchains. Simplifies bridging, swapping, and chain switching for seamless cross-chain UX. Built modular React and TypeScript packages published via npm.

TypeScript · React · Vite · Node.js · npm · GitHub Actions

Nexus SDK (Widgets)

View

Prebuilt React widgets for Nexus SDK, enabling teams to integrate Nexus features instantly with pre-built UI components for rapid development.

TypeScript · React · Vite · Node.js · npm · GitHub Actions

Nexus Elements

View

Component library built on top of Nexus SDK using shadcn/ui. Enables teams to integrate Nexus features instantly with pre-built UI components, templates, and CLI-driven setup for rapid development.

TypeScript · React · shadcn/ui · Vite · npm

Git Receipts

View

Built a GitHub contribution generator that authenticates via NextAuth and renders a receipt-style contribution chart using fetched GraphQL data.

Next.js · TypeScript · GraphQL · OctoBot · NextAuth

Resume Builder

View

Generate a personal resume in one of several modern templates with instant PDF export.

Next.js · TypeScript · PDF Generator

Fitness Tracker

View

Fitness tracker where users can start challenges and compete on a leaderboard using Postgres-backed server routes.

Next.js · TypeScript · PostgreSQL · Server Routes

Visited

View

Web app + Chrome extension that track and display public URLs visited by a user. Shared Google Auth session between extension and web app.

Next.js · TypeScript · Node.js · Vercel Postgres