Back to Services
Senior. Vetted. Delivery-focused.

Hire Blockchain Developers

Extend your team with senior blockchain engineers from Legereum. Our developers have shipped $4M+ TVL DeFi protocols, multi-chain wallets with 50K+ downloads, and NFT launchpads — all production-grade.

Whether you need a dedicated full-time engineer, a team for a specific project, or expert support on an existing codebase, we match you with the right talent within 48 hours. No juniors, no relay — every developer you work with is a senior engineer who has shipped real blockchain products.

Skills & Expertise

Every engineer we place has hands-on production experience across these domains.

Smart Contracts

  • Solidity (Ethereum, Polygon, Avalanche)
  • Rust (Solana, NEAR)
  • Vyper
  • ERC-20 / ERC-721 / ERC-1155
  • Upgradeable Proxy Contracts
  • Smart Contract Auditing

DeFi & Web3

  • AMM & DEX Development
  • Lending & Yield Protocols
  • NFT Marketplaces & Launchpads
  • Cross-chain Bridges
  • Ethers.js / Viem / Web3.js
  • Wallet Integration (MetaMask, WalletConnect)

Infrastructure & Tooling

  • Hardhat & Foundry
  • The Graph (Subgraphs)
  • IPFS / Pinata / Arweave
  • Chainlink Oracles
  • Alchemy / Infura / QuickNode
  • OpenZeppelin

Technologies

EthereumSolanaPolygonAvalancheSolidityRustHardhatFoundryThe GraphChainlink

Engagement Models

Flexible arrangements to match your team structure and project needs.

Dedicated Developer

A full-time senior engineer embedded in your team, following your sprint cadence and communication channels.

Best for: Long-term product teams

Part-Time Support

20 hours/week of expert blockchain engineering for audits, reviews, feature work, or advisory alongside your existing team.

Best for: Augmentation & advisory

Project-Based

Fixed scope, fixed price. We handle architecture, development, testing, and deployment end-to-end.

Best for: MVPs & discrete features

Why Hire Through Legereum?

Senior engineers only — no juniors placed on client projects
80+ projects delivered across 30+ countries
Matched within 48 hours, available to start within a week
Full transparency — weekly reports and open communication
NDA on request, IP ownership stays with you
No long-term lock-in — cancel anytime with 2 weeks notice
80+
Projects Delivered
30+
Countries Served
48h
Avg. Match Time
4.9★
Client Satisfaction

How to Hire in 4 Steps

From first conversation to shipping code — a process designed to be fast and friction-free.

01

Tell Us What You Need

Share your tech stack, timeline, and the skills you're looking for. Takes 5 minutes.

02

We Match You

Within 48 hours we shortlist engineers whose experience matches your exact requirements.

03

Interview & Approve

Meet your matched engineers, ask technical questions, and choose who you want to work with.

04

Onboard & Ship

Your developer joins your team, follows your workflows, and starts contributing from day one.

Ready to Hire Blockchain Developers?

Tell us what you need and we'll match you with the right engineer within 48 hours.

No long-term contracts
Senior engineers only
NDA on request
Start within a week