Kristopher Nathanael

Software Engineer

I build software across the stack, from web apps and APIs to mobile apps and Linux systems tools.

Contact

Location

Jakarta, Indonesia

Email

[email protected]

University

[email protected]

GitHub

@KrisNathan

Education

Bachelor of Science (S.Kom) in Computer Science · Focus: Software Engineering

Publications

First author · ICISS 2026

Research on transferring knowledge from BART, T5, and GPT-2 into smaller BERT models across three NLP benchmarks. The distilled models largely matched baseline accuracy without needing the larger teachers at inference time.

Experience

Projects

• app-nap | Linux Power-Saving Daemon

  2026 – Present

  Systems Software Developer

  A Rust daemon for reducing resource use by inactive Linux apps. It reads window state over D-Bus and uses systemd cgroups to freeze apps or limit CPU usage, while accounting for media playback and idle inhibitors.

  Code

• Sunibshare | Student Resource Sharing

  2026

  Full-Stack Developer

  A place for BINUS students to share and find course notes and exam materials. It pairs a React frontend with a Hono API, PostgreSQL, OAuth/JWT authentication, and S3-compatible storage.

  Code

• AI Plastic Spotter

  2026

  Computer Vision & Full-Stack

  A tool that identifies trash and offers recycling guidance. A React frontend talks to a FastAPI backend running YOLO image inference.

  Code

• Jalan Aman | Road-Safety Reporting

  2026

  Mobile & Backend

  A community app for reporting road-safety issues, with a Flutter client and an Express/Prisma API backed by PostgreSQL, JWT authentication, and S3 storage.

  Code

• Koinku | Expense Tracker

  2025 – Present

  Lead Backend Engineer & Team Lead

  An expense tracker that turns scanned receipts into expense records. The TypeScript/Express API uses domain-driven design and Jest tests; the app runs in Docker with GitHub Actions build workflows. I lead the backend work and a team of six junior developers.

  Code

• LinguaScreen | Language-Learning App

  2025 – 2026

  Mobile & Backend Developer

  A Flutter language-learning app that uses OCR, translation, and language explanations to help readers understand on-screen text. Its API started in Python and was later reworked in Go with Dockerized services and OpenAPI docs.

  Code

• Offline-First Todo PWA

  2025

  Full-Stack Developer

  An offline-first React todo app that syncs between devices. Its TypeScript sync server stores only short-lived encrypted data in Redis; task data is encrypted on the client before upload.

  AppSync server

Skills

Languages

TypeScript, JavaScript, Python, Java, SQL, Go, Rust

Frameworks & runtime

Next.js, React, Node.js, Express, Flutter, NestJS, Hono, Deno

Databases & tools

PostgreSQL, Docker, Git, GitHub Actions, Redis, Linux