Hyphen Connect Limited

FinTech

SmartContractDeveloper(DEX)

$750–1200k ~AI est. Hong Kong, Hong Kong FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Smart Contract Developer (DEX) at Hyphen Connect Limited. Skills: Smart Contract Development, DEX, Solidity, EVM. Architect on-chain protocols. Implement on-chain protocols”

Industry & Context.

FinTech

What They're Looking For.

Must Have

3+ years Solidity development, 2+ years DEX clearing/settlement, 2+ years Oracle integration, Degree in Computer Science, Degree in Software Engineering, Degree in Cryptography, Degree in related technical field, EVM mechanics expertise, Gas optimization techniques expertise, ERC standards expertise

Nice to Have

Rust programming proficiency, Move programming proficiency, High-performance chains architecture understanding

What You'll Do.

Architect on-chain protocols

Implement on-chain protocols

Develop clearing logic

Develop settlement logic

Integrate with matching engines

Design Oracle contract frameworks

Maintain Oracle contract frameworks

Lead security hardening

Rectify vulnerabilities

Oversee mainnet deployments

Bridge off-chain commands

Bridge on-chain fund movements

How You'll Work.

Team & Collaboration

Partner with backend teams; Partner with QA teams; Collaborate with auditors

Full Job Description

Our client is a leading DeFi protocol and looking for a Smart Contract Engineer. Responsibilities Architect and implement core on-chain protocols for a Decentralized Exchange (DEX), including capital vaults, clearinghouses, and settlement engines. Develop the underlying logic for clearing and settlement processes, ensuring high-fidelity integration with off-chain high-performance matching engines. Design and maintain robust Oracle contract frameworks to support real-time price feeds, data validation, and asset valuation. Lead smart contract security hardening initiatives, collaborate with external auditors to rectify vulnerabilities, and oversee mainnet deployments. Partner with backend and QA teams to bridge the gap between off-chain trade commands and on-chain fund movements for seamless execution. Requirements Degree in Computer Science, Software Engineering, Cryptography, or a related technical field. 3+ years of professional Solidity development with deep expertise in EVM mechanics, Gas optimization techniques, and ERC standards. 2+ years of specialized experience in DEX clearing and settlement workflows, including sophisticated Oracle integration. Proficient in Rust or Move programming, with the ability to lead contract module development across diverse blockchain ecosystems. Strong understanding of the architectural paradigms of high-performance chains.

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