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Open to frontend roles & freelanceYogyakarta, Indonesia
Ahmad Aroyanu Staifen
Frontend Developer crafting fast, accessible web apps with React & Next.js.
Frontend Developer with hands-on experience building responsive, scalable web applications using React.js, Next.js, TypeScript, and Tailwind CSS. I translate UI/UX designs into clean, maintainable, component-driven code — with a focus on performance, accessibility, and seamless user experiences.
- 3rd
- Kaia Wave Hackathon · 94 projects
- Finalist
- Espresso Global Hackathon
- 3.71
- GPA · Informatics @ Amikom
About
Turning ideas into polished, reliable interfaces
I care about the details that make products feel effortless — clean architecture, smooth interactions, and accessible experiences that work for everyone.
Frontend Developer with hands-on experience building responsive, scalable web applications using React.js, Next.js, TypeScript, and Tailwind CSS. I translate UI/UX designs into clean, maintainable, component-driven code — with a focus on performance, accessibility, and seamless user experiences.
Currently completing a B.Sc. in Informatics at Universitas Amikom Yogyakarta (GPA 3.71), I've shipped award-winning products at international hackathons — including a 3rd-place finish among 94 projects at the Kaia Wave Stablecoin Summer Hackathon.
Recognition
3rd Place — Kaia Wave Stablecoin Summer Hackathon · 2025
USD 170K prize pool · 94 projects · 575 developers.
Finalist — Espresso Global Hackathon · 2025
Cross-chain confirmation layer for Ethereum rollups.
2nd Place — Educhain Hackathon (DeFi Track)
Semester 3 DeFi track.
Skills
A pragmatic, modern toolkit
The technologies I reach for to ship fast, maintainable, and accessible products — from frontend craft to full-stack and Web3.
Certifications
Alibaba Cloud Certified Developer
Alibaba Cloud · 2024
Front-End Web Development for Beginners
Dicoding Academy · 2024
JavaScript Programming Fundamentals
Dicoding Academy · 2024
Web Programming Fundamentals
Dicoding Academy · 2023
SQL Fundamentals
Dicoding Academy · 2023
Bootstrap CSS Framework
Codepolitan · 2024
jQuery Fundamentals
Codepolitan · 2024
Projects
Selected work
Award-winning products built at international hackathons — shipped end-to-end with a focus on clean architecture and real on-chain UX.
Reins
Full Stack Developer
A Sui Move protocol that gives an AI agent a debit card — a capped, allowlisted, and revocable USDC spending mandate served over an HTTP 402 paywall with sponsored gas, so the agent never holds your keys or any SUI.
- Built the landing and interactive demo frontend with Next.js 16, React 19, and Tailwind CSS v4, walking users through the HTTP 402 paywall, on-chain mandate, and receipt flow.
- Integrated Sui wallet connectivity and on-chain transactions with the Sui dApp Kit and TypeScript SDK, invoking the reins::mandate::spend Move entry function.
- Implemented the HTTP 402 ‘Payment Required’ flow with sponsored gas so an agent can spend without holding the user’s keys or any SUI.
- Managed asynchronous on-chain state with TanStack Query and surfaced optimistic feedback through toast notifications.
- Next.js
- React
- TypeScript
- Tailwind CSS
- Sui
- Move
- Sui dApp Kit
Senja
Frontend Developer
3rd Place · Kaia Wave Stablecoin Summer Hackathon
Responsive Next.js frontend for a permissionless stablecoin lending & borrowing protocol, shipped as a LINE Mini DApp serving the Kaia ecosystem.
- Built the responsive frontend for permissionless lending & borrowing, deployed as a LINE Mini DApp on Kaia.
- Designed reusable, component-driven UI with React, TypeScript, and Tailwind CSS following accessibility and cross-browser standards.
- Implemented complex cross-chain flows integrating LayerZero messaging, DragonSwap collateral swaps, and Orakl Network price oracles.
- Integrated wallet connectivity with Wagmi, Viem, and RainbowKit, with optimistic UI states and graceful error handling.
- Next.js
- React
- TypeScript
- Tailwind CSS
- Wagmi
- Viem
- RainbowKit
Caer
Full Stack Developer
Finalist · Espresso Global Hackathon
End-to-end frontend for a cross-chain DeFi application leveraging the Espresso confirmation layer for fast, verifiable rollup transactions on Ethereum.
- Developed the end-to-end frontend leveraging the Espresso confirmation layer for fast, verifiable rollup transactions.
- Architected modular React/Next.js components with clear separation of concerns, reusable hooks, and typed contracts.
- Contributed to backend solver logic coordinating cross-chain transaction execution.
- Optimized rendering and data-fetching to handle on-chain latency while keeping the UI responsive across devices.
- Next.js
- React
- TypeScript
- Tailwind CSS
- Wagmi
- Viem
- Solidity
More projects on GitHub
Contact
Let's build something great
Have a role, a project, or just want to say hi? My inbox is always open — I'll do my best to reply quickly.