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Staff Software Engineer - Smart Contracts Team

15 hours, 54 minutes ago
Europe, United States
Full-time
Lead
Backend Engineer
Software Development
Blockchain CI/CD Encryption GraphQL Java Node.js REST API SQL TypeScript WebSockets
Apply Now
MLabs

MLabs

MLabs is a Haskell, Rust, Blockchain, and AI consultancy specializing in mission-critical software development, cross-team collaboration, and cutting-edge value delivery for fintech, blockchain, and information technology sectors.

Internet Software & Services
11-50
Founded 2018
View All Jobs 22

Description

  • Design, code, test, and maintain Java-based smart contract services that parse bytecode and process transactions.
  • Develop and maintain server-side Web3 APIs and public-facing interfaces using TypeScript, SQL, REST, GraphQL, and WebSockets.
  • Improve EVM compatibility and developer experience for users migrating from other EVM chains.
  • Monitor the broader EVM ecosystem and bring relevant learnings back to the team.
  • Optimize code and system behavior for speed, scalability, reliability, and efficiency.
  • Use Solidity and understanding of the EVM transaction lifecycle to unblock Web3 tool and DApp integrations.
  • Explore, evaluate, and implement new technologies to improve development effectiveness.
  • Collaborate on low-level transaction processing and higher-level API delivery for the platform.

Requirements

  • 7+ years of software development experience, including distributed open-source application development.
  • Deep knowledge of the blockchain ecosystem, especially the EVM.
  • Understanding of ERC20, ERC721, and other on-chain and off-chain standards.
  • Experience with smart contract development in Solidity or Vyper.
  • Hands-on experience with Foundry, Hardhat, Web3.js, and/or Ethers.js.
  • Experience writing secure, efficient, gas-optimized smart contracts.
  • Strong expertise in Java and JavaScript/TypeScript ecosystems.
  • Strong understanding of RESTful API design and development.
  • Experience with wallet integrations such as MetaMask and WalletConnect.
  • Familiarity with test-driven development and continuous integration tools.
  • Experience with Web3 development, indexing, or transaction management tools such as The Graph.
  • Master’s degree in Computer Science or a similar field, or equivalent work experience.
  • Excellent debugging, critical thinking, and interpersonal skills.
  • Preferred: 5+ years of experience with the Java VM and 5+ years with the Node.js VM.
  • Preferred: Strong computer science fundamentals, including concurrency and performance optimization.
  • Preferred: Familiarity with security principles, cryptographic tools, and high-performance architectural systems.

Benefits

  • Highly competitive compensation package.
  • Equity and tokens included in the compensation package.
  • Performance bonus opportunities.
  • Health insurance for US employees.
  • 401(k) for US employees.
  • Opportunity to work on core open-source infrastructure for an enterprise-grade decentralized platform.
  • Remote role with US-based hiring and openness to Europe candidates who can overlap with EST.

Interested in this position?

Apply directly on the company website

Apply Now

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