THE KROK

Building blockchain infrastructure, Complex backend, AI systems, and production-grade Web3 applications.

🏆 9+ years building blockchain infrastructure and fintech products.
⚡ 25+ blockchain products delivered across DeFi, wallets, NFT, infrastructure, and protocol development
🔗 Core engineering contributors to FLOW Protocol for 4+ years (Access Nodes, EVM Gateway, protocol infrastructure)
🚀 Production experience with Rust, Golang, Solidity, TypeScript, C++, Solana, Ethereum, Cosmos SDK, Flow and AI-powered backend systems

⭐⭐⭐⭐⭐ "KROK consistently delivered high-quality engineering, communicated clearly, and became a reliable extension of our internal team."

We help startups and established companies build production-ready software - from blockchain protocols and DeFi platforms to AI agents and intelligent automation systems.

What we build:
🤖 AI Systems & AI Agents
⛓ Blockchain & Infrastructure
💰 DeFi
📜 Smart Contracts
🌐 Web3 Applications
⚙️ Complex Backend Systems

RECENT EXPERIENCE

🔶 FLOW Protocol - Core engineering team for 4+ years, contributing to protocol infrastructure including Access Nodes, Observer Nodes, and EVM Gateway.
🔶 AI-Powered DeFi Monitoring Platform - Designed and implemented a production monitoring service using Claude Code, Codex, AI agents, and specification-driven engineering workflows.
🔶 Blockchain Protocol Development - Built infrastructure components, backend services, protocol integrations, and distributed systems for multiple blockchain ecosystems including Flow, Symphony, Divi, Stakenet.
🔶 DeFi Platforms - Developed DEXs, staking systems, DLMM platforms, Lending&Borrowing systems.

WHY CLIENTS WORK WITH US

✅ 9+ years focused on Blockchain & Fintech
✅ AI systems built for production
✅ Protocol-level engineering expertise
✅ Architecture-first approach
✅ Long-term engineering partnerships
✅ Security-first development
✅ Clear communication and predictable delivery

OUR PROCESS

1️⃣ Discovery & Architecture

We take 24 - 48 hours for requirements analysis, technical validation and a rough implementation roadmap.

2️⃣ Development