Royal Thai Scholar · MS EECS, UC Berkeley
I build full-stack apps, data pipelines, and AI systems.
I'm Junlajak Jongpipattanakul (Nun). I just finished my MS in EECS at UC Berkeley, after my undergrad in physics and CS, and I'm now back in Bangkok.
Experience
Agoda
Software Engineer Intern, FinTech Payout team · May 2024 – Aug 2024 · Bangkok
- Designed and implemented an automated monitoring and alerting system for deployment pipelines using Grafana and Slack API, reducing the post-deployment monitoring time by 50%.
- Migrated a critical service from .NET Framework to .NET Core by restructuring code and implementing dependency injection, improving system scalability and enabling a more efficient, container-based architecture.
- Built Grafana dashboards to monitor disbursement pipelines and configured Slack alerts for anomalies, giving the finance team real-time visibility into payout issues.
Line Man Wongnai
Software Engineer Intern · May 2023 – May 2024 · Remote
- Developed features for the Line Man MiniApp (React.js, Go), a web-view version of the Line Man app that allows food ordering without an app download, reducing the barrier to entry for new users.
- Implemented an end-to-end Playwright regression suite that automated a multi-hour manual testing process and prevented new campaigns from introducing bugs into existing features.
Studata Solution
Full-Stack Developer (Part-Time) · Jun 2022 – Aug 2024 · Remote
- Architected a learning management system web application with AI-driven recommendations and a feedback system using React/Next.js and Django REST Framework.
- Implemented graph algorithms for creating personalized exams based on users' past performances and integrated OpenAI APIs to help generate exams based on model exams, cutting instructors' workload by 50%.
- Deployed a real-time notification system for users via Socket.io and developed a LINE chatbot for production monitoring, cutting error response time by half.
Selected work
Physics Corpus Quality Platform
A quality and observability layer over an LLM-driven physics problem generator — the eyes the upstream corpus never had on itself.
Python · BigQuery · Cloud Composer · Airflow · OpenAI embeddings · BigQuery Vector Search
PhysElo
A competitive physics tournament platform with live contests, real-time leaderboards, and Codeforces-style Elo.
Next.js · TypeScript · TailwindCSS · Supabase · Postgres · CQRS
In-Situ Recovery Algorithm and Simulation Frameworks for Ferroelectric (HZO) Neural Networks
Quantized integer-arithmetic training for in-situ drift recovery on HZO FeFET analog hardware.
Python · PyTorch · Quantized training · CrossSim · Streamlit · Gemini
ChessBlindly
A full-stack web app for self-paced blindfold chess training — real-time multiplayer plus a Stockfish-powered single-player mode.
React.js · Node.js · Socket.io · Stockfish.js
Education
