Remote Senior Solidity Engineer - DeFi Protocol

Usual; Paris; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Job summary

Usual is seeking a Senior Smart Contract Developer to design, develop, and deploy contracts that core to our protocol. You will work with a team of engineers including the CTO, VPE, and multiple dApp developers to ensure security, scalability, and reliability.

The role emphasizes high-quality code, thorough testing, and collaboration across product and QA teams. Join a fully remote environment with flexible hours, targeting the V1 launch window.

Qualifications

• 4+ years of Solidity experience with deployed contracts.
• Strong understanding of Ethereum and its ecosystem.
• Proven security-focused track record in smart contract development.
• Strong analytical and problem-solving abilities.
• Excellent communication and teamwork in a collaborative environment.
• Familiarity with Agile development processes.

Responsibilities

• Design, develop, and deploy smart contracts for the protocol's core functionalities.
• Perform code reviews, write unit tests, and work with QA for reliability and security.
• Improve protocol features in collaboration with product and tech teams.
• Advocate best practices to minimize vulnerabilities and enhance security.
• Create documentation for smart contract functionality and deployment processes.
• Collaborate with dApp developers, product managers, and external auditors to ensure seamless delivery.

Skills

Solidity

Blockchain

Security

Problem solving

Team collaboration

Agile

Education

Bachelor’s or Master’s in Computer Science or related

Job description

Usual is seeking a Senior Smart Contract Developer to design, develop, and deploy contracts that core to our protocol. You will work with a team of engineers including the CTO, VPE, and multiple dApp developers to ensure security, scalability, and reliability.

The role emphasizes high-quality code, thorough testing, and collaboration across product and QA teams. Join a fully remote environment with flexible hours, targeting the V1 launch window.