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Fortytwo

Senior Solidity Developer

Fortytwo

. Design, develop, and deploy smart contracts on Monad and other EVM-compatible blockchains.

Posted 11/11/2026full-timeRemote • United Arab EmiratesSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Solidity development and smart contract deployment on EVM-compatible blockchains, ensuring security and efficiency through rigorous testing and best practices. Collaborates effectively with cross-functional teams to integrate decentralized applications within the broader ecosystem.

Highest-signal resume keywords
Solidity DevelopmentSmart Contract SecurityEVM MechanicsHardhatCode Audits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Smart Contract DevelopmentGas-Efficient Smart ContractsDecentralized ApplicationsBlockchain ProtocolsCode OptimizationReentrancy ProtectionEdge Case HandlingLayer-2 Scaling SolutionsCross-Chain DevelopmentTokenomics
Tools & Technologies
HardhatTruffleFoundry
Industry Keywords
Blockchain TechnologyDecentralized AIWeb3 ToolsDeFi ProtocolsSwarm Intelligence

Tech Stack

Tools & technologies
SolidityWeb3

About the role

Key responsibilities & impact
  • Design, develop, and deploy smart contracts on Monad and other EVM-compatible blockchains.
  • Ensure smart contract security and efficiency through best practices and rigorous testing.
  • Collaborate with cross-functional teams to integrate smart contracts with the broader Fortytwo ecosystem.
  • Perform code reviews, audits, and optimizations to ensure protocol reliability and scalability.
  • Stay updated with blockchain technology, decentralized AI, and web3 tools.

Requirements

What you’ll need
  • 3+ years of professional experience in Solidity development.
  • Proven track record of deploying and maintaining secure, gas-efficient smart contracts on Ethereum.
  • Strong understanding of blockchain protocols, decentralized applications (dApps), and EVM mechanics.
  • Familiarity with Hardhat, Truffle, and Foundry for smart contract development and testing.
  • Experience with code audits and security practices, including reentrancy protection and handling edge cases.
  • Preferred: Experience with Layer-2 scaling solutions and cross-chain development.
  • Preferred: Familiarity with DeFi protocols and tokenomics.
  • Preferred: Knowledge of swarm intelligence concepts or decentralized AI systems.

Benefits

Comp & perks
  • Engage in meaningful AI research – Work on decentralized inference, multi-agent systems, and efficient model deployment with a team that values rigorous, first-principles thinking.
  • Build scalable and sustainable AI – Design AI systems that reduce reliance on massive compute clusters, making advanced models more efficient, accessible, and cost-effective.
  • Collaborate with a highly technical team – Join engineers and researchers who are deeply experienced, intellectually curious, and motivated by solving hard problems.
  • Research-driven environment
  • Autonomy in foundational AI challenges