ysfik

Spearheading frontend development for a confidential Solana-based decentralized exchange (DEX), serving as the primary technical lead for a 15 member remote engineering team. • Collaborate with backend engineers to define feature scope, prioritize roadmap items, and break epics into sprint-ready tasks, coordinating delivery via Discord and agile workflows. • Architected and implemented a high performance trading UI using Next.js, TypeScript, and Tailwind CSS, translating complex Figma designs into responsive UI. • Integrated real-time on-chain data via WebSocket and REST APIs, enabling live price feeds, token feeds, trading view chart, order book updates, transaction status tracking, etc. • Implemented secure wallet authentication using a third-party turnkey solution (e.g., Wallet Standard-compliant provider) and handled Solana transaction signing, simulation, and error recovery via @solana/web3.js. • Enforced code quality standards through PR reviews, performance budgets, and reusable component libraries • Led the product from private beta to public launch, cross-browser testing, and user feedback loops to ensure production readiness.

Engineered end-to-end solutions using Next.js, Node.js, TypeScript, and Express.js, featuring responsive UIs, secure RESTful APIs, and scalable database architectures (MongoDB, MySQL, PostgreSQL). • Integrated Web3 functionality via web3.js and Solana SDKs, enabling wallet connectivity, on-chain interactions, and real-time transaction handling. • Consistently met tight deadlines through agile task breakdown, clear client communication, and modular code design, ensuring maintainable and testable deliverables. • Delivered 60+ web applications for global clients spanning e-commerce, SaaS tools, and Web3 dApps on Ethereum and Solana, with a 98% client satisfaction rate. • Freelance projects example: o Rumah Atalla | Fullstack E-commerce Platform: Engineered a production-ready food & apparel store using React, Express.js, and MongoDB, featuring JWT-based authentication and real-time search. o DigiPerpus | Library Management System: Designed and implemented a fullstack system with 32 data models using Next.js, Zustand (state management), and Express.js, enabling library staff to manage books, members, and loans efficiently. Built an intuitive admin dashboard with role-based access and data filtering reducing manual workload by 40% for pilot users. o Pandora | CLI Tool: a command-line tool that auto-generates Next.js + Tailwind admin dashboards to accelerate frontend scaffolding, cutting initial setup time from hours to minutes.