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

GPA 3.98 of 4.00

Publications

First author · Published and presented at ICISS 2026

Research on knowledge distillation from BART, T5, and GPT-2 into BERT across three NLP benchmarks. The distilled BERT models largely matched baseline accuracy while reducing teacher inference costs.

Experience

Projects

• app-nap | Linux Power-Saving Daemon

  2026

  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, with media- and idle-aware controls, configurable CPU quotas, and safe state restoration.

  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, S3-compatible storage, and Docker Compose.

  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 – 2026

  Lead Backend Engineer & Team Lead

  An expense tracker that turns scanned receipts into expense records. The TypeScript/Express API is covered by Jest route tests, and is deployed to Kubernetes on GKE behind Cloudflare Tunnel, with GitHub Actions workflows that build and push the Docker images. I lead the backend work and mentored six peers in TypeScript, React, and Docker through onboarding and code reviews.

  Code

• LinguaScreen | Language-Learning App

  2025 – 2026

  Mobile & Backend Developer

  A Flutter language-learning app that uses OCR and translation to explain on-screen text. Its API started in Python and was later rebuilt in Go with Docker containers and OpenAPI docs. Semifinalist at the elevAIte x Microsoft Hackathon (Hub BINUS University, 2025).

  Code

• Doto

  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

Programming languages

TypeScript, JavaScript, HTML/CSS, Python, Java, SQL, Rust, Go

Frameworks & runtime

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

Databases

PostgreSQL, MySQL, Redis

DevOps & tools

Linux, Docker, GitHub Actions, SSH, Cloudflare (DNS, Tunnel), Git, Jest, Kubernetes (GKE)