Blockchain Developer – Smart Contract Engineer

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Axiom Chain LLC

WebsiteLinkedInAll Job Openings

2 - 10 employees

🌐 Web 3

🤖 Artificial Intelligence

🤝 B2B

Web 3 • Artificial Intelligence • B2B

Axiom Chain LLC is a blockchain and AI product studio that designs, builds, and ships end-to-end Web3 and AI-enabled products. The company provides strategy, product design, engineering, smart contract and protocol development, AI audits and workflow automation, and deployment and post-launch support for fintech, DeFi, marketplaces, and other complex digital products. Axiom Chain focuses on building production-ready, secure, and integrated blockchain & AI systems for enterprise and startup clients.

📋 Description

• Design, build, and maintain smart contracts for DeFi and blockchain applications. • Write secure, clean, gas-efficient, and maintainable Solidity code. • Develop and maintain automated tests using Foundry, Hardhat, Anchor, or similar frameworks. • Review smart contracts for security vulnerabilities, bugs, edge cases, and protocol-level risks. • Analyse and mitigate risks related to flash loans, oracle manipulation, MEV, governance attacks, and other DeFi threat vectors. • Use security and analysis tools such as Slither, Mythril, Echidna, Certora, Tenderly, or similar platforms. • Support audits, bug fixes, secure deployments, and post-deployment monitoring. • Optimise gas usage, storage layout, and contract performance. • Document technical decisions, protocol assumptions, and security considerations.

🎯 Requirements

• Strong experience with Solidity and EVM-based smart contracts. • Hands-on experience with Foundry and/or Hardhat. • Good understanding of Ethereum, gas optimisation, storage layout, events, and upgradeable contract patterns. • Knowledge of DeFi concepts, including token standards, staking, lending, AMMs, bridges, vaults, and governance. • Ability to write secure, reliable, and maintainable smart contract code. • Experience testing, debugging, and reviewing smart contracts. • Understanding of common smart contract vulnerabilities, including reentrancy, access control issues, oracle risks, precision errors, and front-running. • Familiarity with OpenZeppelin libraries and proxy patterns. • Strong attention to detail, ownership, and clear communication skills.

🏖️ Benefits

• Competitive salary. • Healthcare benefits. • Company-provided computer. • Paid holidays. • Flexible working hours. • Career growth opportunities. • A friendly, supportive, and collaborative engineering team.