OxHack 2026
Eisengrau
An electricity-market research workspace for Great Britain. I built the backend: a FastAPI service over Tiger Data, the algorithm runner, forecast backtests and the CI/CD that deployed it.
Hi, I'm
Harkaran Bual
Backend & data engineer
I build the parts of software you don't see: the API, the database, the deploy pipeline and the analysis that turns raw data into a number you can trust.
Selected work
Selected projects
Team project · 2023
Smart meter
A home environment monitor: ESP32 sensors report temperature and CO₂ through a Raspberry Pi to a Rust REST API and a React dashboard.
Author · 2021
Discord bots
FeatureRichBot, an open-source all-in-one bot in Java, and a custom bot for the community of maker YouTuber Integza.
Experience
Lately
- 2023 – Present
Student
King's College London
- Oct 2026
Backend & infrastructure, Eisengrau
OxHack 2026
Built the API, analysis runner and CI/CD for an electricity-market research workspace in 25 hours.
- 2022 – Aug 2022
E-commerce
Pets & Friends
SEO tagging, product data management and running the web-chat service.
Writing