V

Vladyslav Dezhniuk

About

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Poland

Timeline

work
Job

Résumé

Jobs verified_user 0% verified
  • S
    Seniof full stack developer
    Supplyco.ai
    Aug 2025 - Feb 2026 (7 months)
    • Owned the front-end end-to-end as the primary Next.js engineer, building the core web application
    from scratch.
    • Occasionally contributed to the back-end, implementing smaller FastAPI endpoints to support front-
    end features.
    • Integrated LLM-powered features into the product, wiring Al-agent responses into the Ul to automate
    lead scoring and prospect prioritization.
    • Built interactive geospatial views with Mapbox for visualizing buyer and distributor data across regions.
    • Managed server state and data fetching with TanStack Query and Axios, improving Ul responsiveness
    and caching behavior. Collaborated with back-end and ML engineers to ship full-stack features within a
    small, fast-moving Al
  • Z
    Senior frontend developer
    Zenrock
    Mar 2025 - Sep 2025 (7 months)
    • Built user interfaces for zrChain dApps (Cosmos SDK) and zenBTC mint/burn flows, enabling secure
    decentralized custody of Bitcoin via MPC.
    • Developed front-end logic for zenTP, powering seamless ROCK transfers between zrChain and Solana
    with sidecar relayers and event tracking.
    • Improved front-end experience for cross-chain transactions by simplifying Ul flows and providing clear
    status tracking.
    • Collaborated with blockchain and back-end engineers to deliver production-ready Web3 applications.
  • Figure Markets
    Senior frontend developer
    Figure Markets
    Oct 2024 - Mar 2025 (6 months)
    • Contributed to a micro-frontend architecture powering the crypto exchange, MPC-based custody, and
    crypto-backed lending products.
    • Built interactive, scalable Ul modules within a regulated fintech environment.
    • Collaborated with designers, product, and customer teams to deliver production-grade interfaces.
    • Participated in code reviews and maintained high code quality standards across the micro-frontend
    ecosystem.
  • Banyan
    Senior frontend developer
    Banyan
    Aug 2023 - Aug 2024 (1 year 1 month)
    • Developed a decentralized storage application from scratch using FSD architecture with React.js and
    Tailwind, ensuring scalability and performance.
    • Integrated WebAssembly modules via Web Workers to boost computational efficiency.
    • Implemented secure Google authentication flow for streamlined user access.
    • Collaborated with designers and customer team leading to substantial improvements in the overall user
    experience and alignment with business objectives.
  • Ledger
    Frontend/web3 developer
    Ledger
    Aug 2022 - Jan 2023 (6 months)
    • Built a production-ready NFT marketplace using Next.js with full EVM wallet support (MetaMask,
    WalletConnect, Ledger Live).
    • Implemented front-end logic for ERC-721 and ERC-1155 contracts, enabling secure high-volume NFT
    drops and partner collaborations.
    • Integrated Contentful CMS to manage and schedule NFT releases, improving operational flexibility for
    non-technical teams.
    • Collaborated closely with Solidity engineers and designers, delivering a robust platform for community-
    driven NFT launches.
  • Blockchain.com
    Full stack developer
    Blockchain.com
    Jan 2022 - Aug 2022 (8 months)
    • Developed EVM-compatible browser wallet extension based on Chrome Manifest v3
    • Designed secure communication between the browser extension and web applications.
    • Implemented core JSON-RPC methods for account management, transaction signing, and blockchain
    interactions.
    • Partnered with cross-functional teams designers, product managers, and blockchain engineers
    deliver a scalable, production-ready wallet extension.
  • U
    Frontend developer
    Ultimate Division
    Oct 2020 - May 2022 (1 year 8 months)
    • Delivered the front-end for an NFT football marketplace game, including application layout and
    integration with REST APIs.
    • Implemented real-time gameplay and marketplace interactions via WebSocket connections.
    • Integrated Ethers.js with MetaMask and Google authentication for seamless Web3 onboarding.
    • Optimized Ul performance and established ESLint/Stylelint configurations for long-term code
    maintainability.
  • Boosty Labs
    Senior Full-Stack / Web3 Engineer
    Boosty Labs
    May 2020 - Current (6 years 6 months)
    • Delivered end-to-end features across front-end and back-end on multiple long-term client engagements,
    focusing on scalable architectures and maintainable codebases.
    • Refactored and standardized front-end architecture, introducing reusable templates that reduced
    onboarding time and improved development speed.
    • Conducted code reviews and mentored developers, improving overall code quality and team efficiency.