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Full-stack engineer with 25 years building production web applications end-to-end — React/TypeScript front ends backed by Node.js services and SQL/NoSQL data layers. Deep frontend-architecture expertise (design systems, offline-first, real-time collaboration via CRDT) paired with backend delivery across REST/GraphQL APIs, real-time transport (WebSockets, MQTT), data modeling, and time-series pipelines. Recently designed and solo-built a full-stack crypto market-analytics and trading platform. Comfortable owning delivery end-to-end: clarifying requirements, proposing architecture, shipping features, debugging production issues, and raising engineering quality through code review. Ships with AI-assisted workflows under full human review of generated code.…Full-stack engineer with 25 years building production web applications end-to-end — React/TypeScript front ends backed by Node.js services and SQL/NoSQL data layers. Deep frontend-architecture expertise (design systems, offline-first, real-time collaboration via CRDT) paired with backend delivery across REST/GraphQL APIs, real-time transport (WebSockets, MQTT), data modeling, and time-series pipelines. Recently designed and solo-built a full-stack crypto market-analytics and trading platform. Comfortable owning delivery end-to-end: clarifying requirements, proposing architecture, shipping features, debugging production issues, and raising engineering quality through code review. Ships with AI-assisted workflows under full human review of generated code.

Viktor Bondaruk

Full Stack Developer, Web Developer, Back-End Developer, +2

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Full-stack engineer with 25 years building production web applications end-to-end — React/TypeScript front ends backed by Node.js services and SQL/NoSQL data layers. Deep frontend-architecture expertise (design systems, offline-first, real-time collaboration via CRDT) paired with backend delivery across REST/GraphQL APIs, real-time transport (WebSockets, MQTT), data modeling, and time-series pipelines. Recently designed and solo-built a full-stack crypto market-analytics and trading platform. Comfortable owning delivery end-to-end: clarifying requirements, proposing architecture, shipping features, debugging production issues, and raising engineering quality through code review. Ships with AI-assisted workflows under full human review of generated code.…Full-stack engineer with 25 years building production web applications end-to-end — React/TypeScript front ends backed by Node.js services and SQL/NoSQL data layers. Deep frontend-architecture expertise (design systems, offline-first, real-time collaboration via CRDT) paired with backend delivery across REST/GraphQL APIs, real-time transport (WebSockets, MQTT), data modeling, and time-series pipelines. Recently designed and solo-built a full-stack crypto market-analytics and trading platform. Comfortable owning delivery end-to-end: clarifying requirements, proposing architecture, shipping features, debugging production issues, and raising engineering quality through code review. Ships with AI-assisted workflows under full human review of generated code.

Available to hire

Full-stack engineer with 25 years building production web applications end-to-end — React/TypeScript front ends backed by Node.js services and SQL/NoSQL data layers. Deep frontend-architecture expertise (design systems, offline-first, real-time collaboration via CRDT) paired with backend delivery across REST/GraphQL APIs, real-time transport (WebSockets, MQTT), data modeling, and time-series pipelines.

Recently designed and solo-built a full-stack crypto market-analytics and trading platform. Comfortable owning delivery end-to-end: clarifying requirements, proposing architecture, shipping features, debugging production issues, and raising engineering quality through code review. Ships with AI-assisted workflows under full human review of generated code.

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Work Experience

Full-Stack Engineer (Independent, Personal Product) at Independent

January 1, 2026 - Present

Solo-designed and built a full-stack crypto market-analytics and trading platform that aggregates live market data, detects anomalies over rolling windows, and executes orders on connected exchanges. Implemented a pnpm/Turborepo monorepo with three Node.js (Hono) backend services: market-data ingestor, detector computing rolling-window deviation features, and a REST/SSE API. Integrated multiple providers behind a unified abstraction with per-provider rate governors and USD notional normalization at ingest. Built order execution on Binance testnet plus live read-only account state, with strict permission verification and AES-256-GCM sealed-at-rest encryption for keys; trading/withdrawal-capable keys are never accepted. Persisted time-series metrics in PostgreSQL/TimescaleDB and used Redis + BullMQ for queues and rate-limit buckets, including Telegram alerts on rule matches. Developed a React 19 + TypeScript SPA with TanStack Router/Query/DB and lightweight-charts dashboards for analytic

Senior Full-Stack Engineer at Cangora PTE

January 1, 2015 - January 1, 2026

Planned, built, and maintained multiple production platforms in parallel for a single international team, consistently shipping features on schedule. Led major engineering initiatives including a real-time collaborative editor with CRDT-based offline-first sync (Loro + TanStack DB), contributed to Node.js collaboration sync/API services, and improved maintainability through frontend-architecture refactors. Reworked telecommunication/media platform CSS and templates to improve mobile performance and engagement, implemented real-time messaging/video streaming over WebSockets and MQTT, added Web Push for a PWA, modernized AngularJS to Angular, and delivered multi-tenant theming across international branded deployments. Owned UI/styling and JavaScript for a DACH/Portugal business listings marketplace on a Grails (Groovy/Java) stack and contributed to lead-generation/analytics improvements including GA tracking, Google Ads management, and migrations from WordPress-based flows to TypeScript

Freelance Frontend Developer at Independent

January 1, 2013 - January 1, 2015

Delivered frontend-heavy applications and interactive UIs for international clients. Built an AngularJS related-track discovery tool with dynamic search for DJs and music communities, collaborating with multinational creative teams through to a successful public launch.

Software / Frontend Engineer at Outsourcing & Product Companies (Ukraine)

January 1, 2000 - January 1, 2012

Delivered web applications, media platforms, UI systems, and internal business tools across outsourcing and product companies, forming the foundation of a long engineering career.