I'm Evan

A Software Engineer

"Building scalable and high-performance web solutions for your business needs."

Profile

About Me

Hi! I’m Evan, a dedicated and curious full-stack web developer who thrives on turning ideas into seamless, interactive, and reliable digital experiences. While I love crafting clean and responsive interfaces with Next.js and Tailwind CSS, I’m equally passionate about building solid backend systems that power them.

I believe that great web experiences are built on a foundation of well-structured architecture, clean code, and strong communication between frontend and backend. Whether it’s optimizing API performance, securing endpoints, or integrating third-party services, I’m driven by the challenge of making systems more robust and reliable.

Beyond development, I enjoy exploring innovations in decentralized technologies such as smart contracts, DeFi protocols, and blockchain-based infrastructure. I contribute to open-source Web3 projects, share knowledge with the community, and collaborate with other developers to bring ambitious decentralized ideas to life.

Skills

TypeScriptTypeScript
Next.jsNext.js
ReactReact
TailwindTailwind

Portfolio

2xSwap

Technologies: ReactJs, Tailwind, NodeJs, Express, Prisma ORM, PostgreSQL, Solidity

Developed full-stack architecture for 2xSwap, liquidation-free co-investment protocol. Implemented responsive UI for the landing page, swap interface, and unified liquidity pool using modern React patterns. Integrated TradingView APIs to visualize real asset price movements and enhance trading decision-making. Designing, implementing point calculation for every trade and money deposited into the vault. Use JWT as authorization based from user’s wallet.

View Project2xSwap

PortoCollect

Technologies: PHP, Laravel, MySQL, React, Tailwind

Developed a full-stack portfolio management platform with complete CRUD functionality for projects and categories, featuring a dedicated admin dashboard using Sanctum as authorization and public-facing project showcase.

View ProjectPortoCollect

E-commerce Multi Warehouse Grocify

Technologies: NextJS, Tailwind, Express, PostgreSQL, Prisma

Developed a location-based online grocery platform. My responsibilities included building the admin dashboard for managing products, stores, stocks and discounts; integrating OpenCage API for forward and reverse geocoding; implementing automatic store selection based on the user’s location; and using Leaflet to enable precise map-based location picking within the application.

View ProjectEcommerce Multi Warehouse Grocify

Jagantara

Technologies: Solidity, NextJS

Developed a decentralized insurance platform. Designed the end-to-end user flow and implemented smart contract functionality in Solidity for secure and transparent policy management. Integrating safe and effective algorithm like synthetix staking algorithm and following solidity best practices such as pull mechanism.

View ProjectJagantara

Experience

Full Stack Developer Freelance

Nov 2025 - Feb 2026

  • Developed a full-stack portfolio management platform with complete CRUD functionality for projects and categories, featuring a dedicated admin dashboard using Sanctum as authorization and public-facing project showcase.

Smart Contract Security Researcher

May 2024 - Present

  • Found 8 high-medium security vulnerabilities in smart contract
  • Understanding best approach in writing smart contract

CTO Jagantara

July 2025 - Present

  • Designing smart contract flow for Jagantara
  • Writing smart contract with best security approach
  • Contributing to Jagantara's front end website

Developer Advocate ETHJKT

July 2025 - Present

  • Write smart contract security related documentation for ETHJKT