Senior Full-stack Web3 Engineer
We are looking for an experienced Senior Full-stack Web3 Engineer to join our team and contribute to building modern blockchain-powered applications. You will work across the full technology stack — from frontend interfaces and backend services to on-chain integrations — delivering scalable and secure Web3 products used by real users.
This role is ideal for engineers who enjoy owning features end-to-end, working with decentralized systems, and solving complex product challenges in Web3 environments such as DeFi platforms, wallets, or blockchain-based services.
Requirements
- 5–7+ years of professional experience as a Full-stack Engineer, including hands-on production experience with Web3 applications.
- Strong experience building dApps and Web3 integrations, including wallet connectivity, blockchain RPC interaction, indexing, and transaction processing.
- Understanding of DeFi primitives such as DEXs, swaps, lending, liquidity pools, and trading mechanisms.
- Experience with modern frontend development using TypeScript, React, Redux, or similar frameworks.
- Backend development experience with Node.js, C#, Go, Java, or similar technologies.
- Experience interacting with smart contracts and blockchain systems (e.g., Solidity, Ethereum-based ecosystems).
- Solid understanding of the transaction lifecycle: signing, submission, execution, confirmations, and failure handling.
- Strong focus on security best practices when designing and integrating Web3 systems.
- Experience building scalable distributed systems, including monitoring, logging, tracing, and performance optimization.
- Ability to work across the stack and take ownership of features from architecture to production.
Responsibilities
- Design and develop Web3-enabled applications, including frontend interfaces, backend services, and blockchain integrations.
- Implement wallet connectivity and transaction flows, ensuring reliability and security.
- Build and maintain integrations with blockchain nodes, RPC endpoints, and indexing services.
- Work on DeFi-related functionality, including swaps, payments, settlement flows, and smart contract interactions.
- Collaborate with product, design, and engineering teams to deliver scalable solutions.
- Ensure system performance, reliability, monitoring, and observability across services.
- Contribute to architecture decisions and continuously improve the platform’s technical foundations.
We offer
- Competitive compensation based on experience.
- Opportunity to work on cutting-edge Web3 and DeFi products.
- Remote-friendly work environment with flexible collaboration.
- Work with experienced engineers on high-impact blockchain systems.
- Professional growth and the opportunity to expand across frontend, backend, and on-chain development.
Required languages
| English | B2 - Upper Intermediate |
| Ukrainian | Native |
Published 4 March
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$3500-5500
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