Danylo

Remote · Georgia · GMT+4
Danylo Kholodnyi Telegram: @danil_kho
Web3 CTO · Smart Contract & Product Engineer LinkedIn: danylo-kholodnyi · GitHub: hiddenway

PROFILE TECHNICAL SKILLS
I'm a hands-on Web3 CTO and product engineer building blockchain products Blockchain
across Solana, EVM-compatible networks, and WAX / EOS. I own the full delivery Solana Anchor Rust Solidity
cycle — architecture, smart contracts, real-time backend, frontend, DevOps,
EVM ERC-20 ERC-721 Hardhat
analytics, and team leadership. I've contributed to decentralized products with
more than $20M in aggregate on-chain and trading volume. Foundry SPL Token
Oracles (Pyth / Chainlink) AMM / DEX
EXPERIENCE
MEV WAX / EOSIO
Smart Contract Engineer (Projects) 2025 - Present
Contract Web3 development · Solana and EVM networks Backend & Data
Custom smart-contract development for client projects on Solana and EVM- Node.js NestJS Python Django
compatible networks. PostgreSQL Redis RabbitMQ
Currently ranked among the Top 10 Web3 developers on
Freelancehunt.com. Frontend & dApp
On-chain logic for token launches, trading flows, token utilities, and product React TypeScript Next.js ethers.js
integrations.
wagmi / viem WalletConnect
Full delivery cycle: architecture, implementation, testing, deployment, and
frontend / backend integration. DevOps & Product
CEO & CTO / Project Owner 2024 - 2025 Docker CI/CD GitHub Actions
AlphaLayer · Game production for a telecommunications client Prometheus Grafana GA4
Ran the full delivery operation for a telecom client, combining CEO-level Amplitude
ownership with technical leadership.
Built and managed a cross-functional team (design, dev, QA, PM, game LEADERSHIP
design); scaled to 30 people at peak. Core Strengths
Set up production workflow, delivery model, team structure, and QA practices Architecture · Smart-contract systems ·
from the ground up. Technical strategy · Team building · Hiring ·
Ran a continuous pipeline that shipped 50+ games in ~6 months. Code review · CI/CD and monitoring ·
Product discovery · Analytics · Partner and
CTO & Product Lead 2023 - 2024 client communication
YOLO · High-load P2P exchange platform
LANGUAGES
Took a P2P exchange from concept to a scalable product and assembled the
development team. Russian
Managed 2 frontend devs, a backend dev, QA, an analyst, and a PM; owned Native
architecture, code review, hiring, and planning.
English
Designed high-throughput exchange flows: offers, deals, partner integrations,
and transaction status handling. B1
Drove product and marketing decisions with GA4, Amplitude, and A/B testing. Ukrainian
Chief Technology Officer 2021 - 2023 Native
OnlySpace / War Space · Web3 gaming and blockchain products
Built and integrated smart contracts for a P2E game on WAX (EOS); later
supported expansion to Polygon.
After the launch reached approximately $16M in turnover, took the CTO role
leading crypto product development.
Led design and delivery of blockchain services across frontend, backend, and
deployment operations.
Introduced Git workflows, CI/CD, infrastructure monitoring, and technical
documentation.
Full-Stack Developer & Indie Product Developer 2016 - 2021
Freelance · CodeCanyon, Freelancehunt, Google Play
Started building software in 2016: developed PHP engines — a search engine,
a social network, and a file-hosting platform — and sold them as products on
CodeCanyon.
From 2018, built games in Unity and delivered custom PHP websites (frontend
and backend) for clients on Freelancehunt.
In 2019, moved into smart-contract development and shipped games to
Google Play to validate product hypotheses — the start of my transition into
Web3.