amirsiddiquiin
Senior Frontend Engineer
Senior Frontend Engineer with 5+ years of experience building high-performance Web3, DeFi, and SaaS applications using React.js, Next.js, and TypeScript. Hands-on expertise in ERC-4337 smart wallet infrastructure, gasless transaction flows, Uniswap V3 liquidity lifecycle integrations, and multichain DeFi platforms (Arbitrum, Base, Polygon, BSC). Proven track record shipping production-grade frontends for DeFi protocols with 10,000+ on-chain users. Adept at leading agile engineering teams, mentoring developers, and delivering measurable business impact in fast-paced remote-first environments.
Experience: 5 years
Yearly salary: $26,000
Hourly rate: $30
Nationality: 🇮🇳 India
Residency: 🇮🇳 India
Experience
Frontend Engineer
MagpieXYZ – Cross-Chain DeFi Protocol 2022 - 2023
Developed the full frontend for Peagi Bank (DeFi lending platform), integrating complex borrowing, repayment, and token swap workflows end-to-end for 5,000+ monthly active users. Built staking and reward-claiming modules across multiple DeFi protocols with real-time on-chain balance updates using WebSockets. Implemented cross-chain bridge UI enabling seamless asset transfers between Ethereum, BSC, and Polygon, with guided UX flows that reduced user error rates. Redesigned the marketing landing page in Figma collaboration, delivering a 15% conversion rate uplift within 60 days. Improved WCAG 2.1 accessibility across all major flows. Implemented SSR with Next.js and skeleton loading states, reducing perceived load time by 35% and improving retention metrics.
Frontend Engineer
PolkaBridge – Multichain DeFi & NFT Platform 2021 - 2022
Engineered a multichain staking and IDO launchpad supporting Polygon, BSC, and Harmony, onboarding 10,000+ unique wallet addresses at peak launch periods. Architected a full-featured NFT marketplace with MetaMask/WalletConnect integration, minting flows, and secondary market trading — one of the first NFT platforms on Polygon. Built yield farming dashboards with real-time data visualization (Chart.js, D3.js) for LP staking and reward distributions, processing live on-chain data with sub-5-second refresh rates. Reduced frontend bundle size by 40% via code splitting, tree shaking, and dependency auditing — cutting page load time by 1.8 seconds for low-bandwidth users globally. Set up GitHub Actions CI/CD pipelines for automated testing and zero-downtime deployments.
Junior Frontend Engineer
SwipeUpNews – High-Traffic Digital Media Platform 2020 - 2021
Built a React.js CMS dashboard enabling editorial teams to publish and manage high-traffic news content at scale with zero-downtime SLA. Reduced mobile bounce rate by 20% through lazy loading, image compression, and mobile-first responsive design. Integrated Google Analytics and Mixpanel, providing insights that drove 3 major product feature iterations.
Skills
front-end
english
hindi