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Experience

Pintu

Software Development Engineer II

Early engineer on Spot and Futures trading. Focused on reliable order execution, market safeguards, and UI performance under high frequency data.

10M+ downloads across Google Play and the App Store

Google Play · App Store

  • PIC for Pintu Futures, helping ship Indonesia's first crypto derivatives product
  • Built core Futures trading features with real time order execution and high frequency updates
  • Contributed to Spot trading systems and real time execution flows
  • Implemented Price Protection Order to reduce unintended fills in volatile markets
  • Improved trading screen performance by about 30% under real time data load

Stack: React Native, TypeScript, Zustand, WebSocket, C++, Android, iOS, Sentry

Ruangguru

Software Engineer

Indonesia's largest online tutoring product. Worked on mobile learning flows, design systems, and payment surfaces at education scale.

~12M+ installs across Google Play and the App Store

Google Play · App Store

  • Led frontend for Roboguru and payment systems on high traffic mobile learning flows
  • Built a universal Syllabus Design System frontend with Tamagui across 20+ components, cutting UI duplication by about 30%
  • Built a Figma to TypeScript codegen tool that cut manual component work by about 40%
  • Shipped features across LMS, learning, and payment systems for large scale student usage

Stack: React Native, TypeScript, Tamagui, Figma, Design systems, Monorepo, Sentry

Schoters

Software Engineer, Frontend

Study abroad prep under the Ruangguru group. Built the LMS and tightened the frontend architecture.

  • Built Schoters LMS for online classes and practice exams
  • Refactored the frontend into a unified architecture for simpler delivery and maintenance

Stack: TypeScript, React, Next.js, REST, Sentry

ReCharge Indonesia

Software Engineer

Rental powerbank product with machines and a mobile app. Led a native to Flutter revamp and device side SDK work.

1M+ downloads across Google Play and the App Store

Google Play · App Store

  • Led migration from native Java to Flutter, unifying Android and iOS in about a year
  • Raised crash free rate from about 90% to 99% after the revamp
  • Built modular Flutter architecture POCs for reuse and long term maintainability
  • Improved CI/CD release speed and reliability
  • Built an Android SDK for vending machines on AWS IoT Core with real time telemetry and remote control

Stack: Flutter, Dart, Java, Kotlin, Android, iOS, AWS IoT Core, CI/CD, SDK development, Sentry, Firebase Crashlytics

Stack

  • Languages

    TypeScript, JavaScript, Kotlin, Dart, Java, Swift, C++, Go

  • Mobile

    React Native, Expo, Flutter, Android, iOS, Kotlin, Swift, Java

  • Web

    React, Next.js, Astro, TypeScript, Tamagui

  • State and data

    Zustand, Realm, SQLite, WebSocket, REST

  • Platform and infra

    AWS IoT Core, AWS DynamoDB, AWS Amplify, AWS Cognito, CI/CD, Push notifications, SSO, SDK development

  • Observability

    Sentry, Firebase Crashlytics

  • Tooling

    Figma, Figma to TypeScript codegen, Design systems, Monorepo

Side projects

  • Ariva

    Tryout platform for CPNS and BUMN prep in Indonesia.

  • Jobmetry

    Tracks job applications, interviews, and reminders in one place.

  • Meecanico

    macOS app for mechanical keyboard sounds. I use it every day.

Open for build work. See services, or reach out on LinkedIn.