Wrote Kilonova, a competetive programming platform, complete with an automatic submission judge and a grader for running sandboxed user-submitted code:
Over 10 thousand lines of Go code;
HTML templates with preact-based client-side interactivity enhancements;
PostgreSQL database backend;
Uses a trimmed-down version of isolate for sandboxing executables and for limiting and analyzing time/memory resource usage;
Battle-tested contest functionality.
Major contributions (main contributor besides project author) to SpankyBot, a feature-complete Python 3 Discord bot;
Contest distinctions
National Informatics Olympiad, National Phase (ONI)
28th place, Bronze Medal at ONIGIM 2017 - 5th grade
Qualified for ONIGIM 2020, however it wasn't held due to COVID-19 - 8th grade
22nd place, Silver Medal, 3rd Prize at OSEPI 2021, National Phase (dead link) - 9th grade (because of the COVID-19 pandemic, the olympiad was held independent of M.E.N.)
18th place, Silver Medal, M.E.N. Mention at ONI 2022 - 10th grade
National Informatics Olympiad, County Phase (OJI)
1st place in the county, 39th country-wide at OJI 2017 - 5th grade
1st place in the county, 44th country-wide at OJI 2018 - 6th grade
1st place in the county, 29th country-wide at OJI 2019 - 7th grade
1st place in the county, 26th country-wide at OJI 2020 - 8th grade