I build the environments and graders that frontier models are trained and measured against — and I try to break them.
Small, sharp fixes in other people's codebases — mostly parser, formatter and SDK correctness bugs.
| Project | Contribution |
|---|---|
| highlight.js ★24k | #4455 qualified generic type arguments in Java · #4453 where in Haskell GADT declarations · #4454 six-digit unicode ranges in CSS |
| pest ★4.8k | #1184 restore stack state after a failed sequence |
| agntcy/dir | #1892 register cloud KMS providers · #1891 avoid blocking on non-interactive key passwords · #1890 synchronize in-memory routing datastore |
| OpenFeature flagd (CNCF) | #2006 synchronize readiness state |
| OpenFeature go-sdk-contrib (CNCF) | #927 safely compare complex criteria values |
Open and under review: undici #5601 (reject SharedArrayBuffer-backed body views), oxc #25022, pygments #3234.
HL-EAI: A Multimodal Framework Enabling Emotional Reciprocity in Human–AI Strategic Decision-Making — Mozikov, Baltsat, et al., accepted at ACMM'25. Multi-agent behaviour in dictator-game, GTBench and trolley-dilemma settings, at AI Research Institute & ITMO LISA Lab.
MSc in Artificial Intelligence, ITMO University. BSc in Applied Computer Science, ITMO — Best Graduate 2024.
Remote contractor · Python, C++, PyTorch, JAX/MaxText, Terraform · konstantin.baltsat@gmail.com



