Gustam is a software engineer who builds app and AI products.

Currently

Middle Front End Developer @ Kementerian Keuangan — BaTii, in Jakarta

Previously

Front End Developer @ Erajaya Swasembada (Eraspace), Front End JavaScript Developer @ Kementerian Keuangan — BPPK, Full Stack Developer @ Indonesiaproperti.com, and more.

More about me

Selected work

10 projects

Computer Assisted Test

05.2025

A computer-assisted examination platform with cheating prevention and identity verification.

Evaluation CAT

An AI resume and application manager with cover letter generation, resume analysis, and auto-save.

Silamar

A Windows inventory system with stock tracking, supplier management, reporting, and role-based access.

Inventory Management Systems App

10.2022

About

I’m Gustam Rheza Mahendra, a software engineer based in Jakarta with over four years of experience in software engineering and AI-driven solutions.

I build government and enterprise products with Next.js, React, Angular, and TypeScript. My work spans e-commerce platforms, event management, correspondence tracking, and AI-powered examination systems, with a focus on clean architecture, accessibility, security, and scalability.

Education

2021–2025: Universitas GunadarmaBachelor of Information Systems
2018–2021: SMK Negeri 2 JakartaVocational Software Engineering

Technical skills

Programming: TypeScript, JavaScript, Swift, Go, Java, C#, HTML, CSS
Web & mobile frameworks: Next.js, React, Angular, Vue, React Native, SwiftUI, Tailwind CSS, Chakra UI, shadcn/ui
Backend & databases: Express.js, NestJS, Spring Boot, .NET, MongoDB, MySQL, PostgreSQL, Supabase, Firebase, Prisma, Drizzle ORM
State & testing: Zustand, Redux, Jest
Deployment: Coolify, Vercel, Netlify, Cloudflare R2, AWS S3 & EC2, DigitalOcean, CI/CD
Developer tools: Git, Jira, VS Code, Xcode, IntelliJ IDEA, DataGrip, npm, pnpm, Yarn, Homebrew