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Kyrylo Klymenko

@kyryloklymenko

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Lead engineer specializing in React/TypeScript, Node.js, and Solidity with strong technical leadership.

Poland

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What I'm looking for

I’m seeking technical leadership roles where I can own architecture, grow teams, drive product from prototype to production, and contribute to Web3 or enterprise-grade products.

I am a lead engineer with 9+ years shipping products across Web3, e-commerce, and enterprise, with deep expertise in React, TypeScript, Node.js, and Solidity.

I have built and led teams of 2–12 engineers, owned architecture decisions, and taken products from zero to production, including dApps managing up to $100M TVL.

I’ve driven technical pre-sales, delivered hundreds of demos and hackathons, and built MVPs and proofs-of-concept that closed enterprise deals while growing Customer Success teams.

My hands-on work includes writing and deploying Solidity contracts, building frontends and infrastructure, and contributing to large-scale platform modernizations and onchain wealth management products.

Experience

Work history, roles, and key accomplishments

Current

Lead Engineer

Current

DecentDAO

Aug 2022 - Present (3 years 10 months)

Owned technical decisions and led a 2–6 developer team to build a DAO governance and treasury platform used by 10+ DAOs managing up to $100M TVL; shipped wallet integrations, proposal workflows, voting systems, and Solidity governance extensions.

React TypeScript Solidity Hardhat Smart Contracts Vite Next.js Foundry Cloudflare Cloudflare Workers Netlify Chakra UI TheGraph Viem Wagmi WalletConnect

Senior Software Engineer

L1 Advisors

Aug 2023 - Aug 2024 (1 year)

Built mobile-first DeFi interfaces, portfolio tracking, charts, and financial visualizations for an on-chain wealth management platform.

React TypeScript Firebase Vercel Web3 Next.js Wagmi Viem Reown AppKit

Solutions Architect

Frontastic

Feb 2020 - Aug 2022 (2 years 6 months)

Led technical pre-sales, built MVPs and POCs that closed enterprise deals and grew Customer Success from 1 to 12; led frontend development for major clients including Chronext and agency partners.

React TypeScript Headless Commerce GCP Vercel Technical Pre Sales

Frontend Engineer

PolicyStat (RLDatix)

Mar 2019 - Jun 2021 (2 years 3 months)

Core contributor to a 15-year legacy product modernization, leading the UI rewrite from a Django server-rendered monolith to a React SPA.

React TypeScript GraphQL Python Django SPA Development

Senior Software Engineer

Luxoft

Feb 2019 - Feb 2020 (1 year)

Senior engineer on a large-scale data warehouse platform and informal tech lead on a global commodity trading platform (Covantis), driving architecture and integrations for enterprise-grade systems.

React TypeScript Redux Enterprise Integration Data Warehousing Architecture

Software Engineer

SoftServe

Jun 2018 - Feb 2019 (8 months)

Developed enterprise internal tooling for Cisco, contributing frontend features and tests for large-scale enterprise applications using React and Redux patterns.

React Redux Redux Saga Jest Enterprise Software Frontend Development Testing

Software Engineer

Various Companies

Jan 2015 - Dec 2018 (3 years 11 months)

Early-career full-stack roles across Toweya, TeamGear, and LineUP, building JavaScript/React/Node.js foundations and delivering web features and integrations.

JavaScript React JavaScript (Node.Js Python PHP PostgreSQL Firebase WebSockets