Senior Full-Stack Developer (Frontend-Focused, Web3)

You will work closely with backend, blockchain, and product teams to ensure seamless transaction flows and a reliable, user-friendly experience across multiple networks.

Responsibilities

• Build and scale frontend applications using ReactJS and TypeScript
• Develop seamless Web3 user experiences with smooth blockchain transactions
• Integrate and interact with smart contracts using Ethers.js
• Work with multiple blockchains including Ethereum, Polygon, and other EVM-compatible networks
• Manage multi-chain interactions, including network switching and transaction lifecycles
• Handle wallet connections, gas estimation, transaction states, confirmations, and errors
• Work with RPC providers and blockchain node infrastructure
• Collaborate closely with backend, blockchain, and product teams to deliver end-to-end features
• Ensure performance, reliability, and maintainability of frontend code
• Take ownership of frontend architecture and implementation decisions

Requirements

• 6–8 years of professional frontend development experience
• Strong expertise in ReactJS and TypeScript
  
• Solid understanding of both Web2 and Web3 architectures
  
• Hands-on experience with Ethers.js, wallets, gas handling, and transaction flows
  
• Experience working with RPC endpoints and blockchain node infrastructure
  
• Strong problem-solving skills and ability to work independently
  
• Clear communication skills and experience working in remote teams
  
• English is required (fluent, written and spoken)

Nice to have

• Experience building DeFi applications, NFTs, or dApps
  
• Knowledge of Web3 performance optimization and security best practices
• Familiarity with modern UI/UX patterns for financial products

How we work

• Global team with headquarters in Cyprus
  
• Russian is a plus, but not required
  
• We value respect, empathy, and clarity above everything else
  
• Flat structure — with no unnecessary layers
  
• We move fast, make decisions quickly, and focus on execution
  
• Remote-first setup, working from anywhere
  
• Timezone overlap within Western–Eastern Europe preferred
  
• Flexible working hours built on trust, not micromanagement
  
• Competitive compensation based on experience
  
• Long-term role with real ownership and growth potential

Conditions

• Location: Remote
• Employment Type: Full-time
• Experience: 6–8 years
• Timezone: CET / MENA / Asia
• Seniority: Hands-on Senior
• Compensation: Competitive, depending on experience