DApp and Smart Contract Engineer (Vesting and Infrastructure)

We are seeking a seasoned DApp Developer to stabilize and scale a high-stakes crypto vesting platform. This isn't just about "fixing bugs"—it's about hardening the architecture, optimizing gas usage, and ensuring the bridge between on-chain logic and the UI is seamless and resilient. 

What You’ll Own

• System Hardening: Diagnose and refactor existing vesting contracts to ensure 100% reliability and security.
• Feature Evolution: Design and ship new modules to improve the user distribution experience.
• Full-Stack Orchestration: Ensure the front-end (React/Angular) talks to the chain with zero friction, managing state and providers efficiently.
• Efficiency: Audit and optimize logic for maximum gas efficiency and security.

The Toolkit

• EVM Mastery: Deep experience in Solidity and the EVM (Ethereum, Polygon).
• Tooling: Professional-grade proficiency with Hardhat or Foundry.
• Frontend-to-Chain: Advanced skills in TypeScript and Ethers.js/Web3.js.
• Security Mindset: You write tests before you write code and think in terms of attack vectors.

We offer

• Medical Insurance in Ukraine and Multisport program in Poland.
• Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leaves, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.