Senior Frontend / Fullstack Engineer with 7+ years building web products at scale. I work mostly in TypeScript, React and Node.js, with a soft spot for Rust and developer tooling.
π Based in Tbilisi, Georgia Β· Open to relocation Β· Open to senior IC roles in product engineering or developer tooling
- Led frontend for products serving 9M+ and 100M+ users
- Built B2B AdTech dashboards processing 2.3M data points/day with sub-second response time
- Reduced presentation rendering time by 33.6% through Canvas API optimization
- Cut deployment time from 3 hours to 25 minutes by introducing CI/CD
- Reduced asset loading by 80% through caching and preloading at a 100M+ MAU social platform
- Integrated modern React into a 15-year-old PHP codebase without breaking changes
- Mentored 20+ developers at a major bank, taught 150+ students React/JS as a bootcamp instructor
- π¦ Contributing to Biome β Rust-based linter/formatter for the JS/TS ecosystem
- π¬ Language implementation in Rust β see
yoptascript-rs: lexer, parser, AST, tree-walking interpreter across a four-crate Cargo workspace - π οΈ Various dev-tool / performance side projects (V8 profiler, format parsers, backend experiments)
Frontend β TypeScript, React, Next.js, Redux, MobX, Effector, Canvas API, Tailwind, Webpack, Vite Backend β Node.js, NestJS, PostgreSQL, Docker, GitHub Actions, Python Other β Rust, Go, Bun, Elysia Testing β Jest, Vitest, React Testing Library, Playwright
- v8-simple-profiler β V8 deoptimization profiler comparing monomorphic vs polymorphic JS code paths, with statistical analysis and multiple report formats.
- yoptascript-rs β Rust reimplementation of the YoptaScript joke language: lexer, parser, AST, tree-walking interpreter, four-crate Cargo workspace.
- financial-rust β Multi-format financial transaction parser library in Rust (CSV β binary β text), plus CLI tools for conversion and comparison.
- task-tracker-elysia β Task management API in Bun + Elysia + Drizzle, structured with Clean Architecture / DDD layering.
MSc, Mathematics & Computer Science β Moscow Institute of Physics and Technology (MIPT), 2019
- π§ denisenkoforwork@gmail.com
- πΌ LinkedIn