Eduard Shavyrko
Senior React engineer + AI Product Engineer — TypeScript-first, building AI-powered product features end-to-end. LATAM-remote.
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Selected work
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Monetarium Explorer
Mar 2026 – present
Adapting a 10-module Go-backed block explorer to a multi-coin chain — cross-stack senior work, custom AI-agent skills that scale architectural analysis, and process and test tooling introduced from scratch.
- Stimulus
- Webpack
- SCSS
- Go templates
- WebSockets
- Vitest
- Claude Code
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Oil & Gas ERP
Jan 2022 – 2024 (~3 years, 2 phases)
Built the Billing MVP frontend from scratch (1 of 3 FE) for a 1,500-employee US oil & gas client — the MVP that won a multi-year ERP contract — then led the frontend on the CRM sub-system for ~22 months.
- React
- Next.js
- TypeScript
- GraphQL
- Apollo Client
- Ant Design
- Turborepo
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Service-Message Viewer
Oct 2020 – Mar 2021 (~6 months)
Greenfield React rewrite of a legacy Java + jQuery monolith's frontend — a real-time service-message viewer for the financial sector, streaming server-pushed events into a live, filterable data table. Shipped a working MVP.
- React
- Socket.IO
- SCSS Modules
Beyond the case studies
I publish reusable AI-agent tooling at edshav/skills — harness-agnostic skills for AI coding agents, extracted from real work. More on my GitHub profile.