Senior Solidity Blockchain Engineer

Euronext Technologies SAS; Paris; On-site; EUR 90,000 - 130,000; Full time

Job summary

Euronext is building a Digital Assets team in Europe and seeks a Blockchain / Smart Contract Engineer to design, build, and secure on-chain core infrastructure. You'll own smart contracts from issuance to settlement and work with product teams to deliver compliant, scalable solutions.

Key responsibilities include testing, auditing readiness, and designing tokenization engines for reuse across instrument types, with AI-assisted scaffolding guiding development.

Qualifications

• Strong experience with Solidity and EVM-based development.
• Experience with security testing, vulnerability assessment and audits.

Responsibilities

• Design, build and secure the on-chain core and smart contracts from issuance to settlement.
• Collaborate with product and cross-functional teams to deliver robust, compliant solutions.
• Prepare contracts for external audits and remediate findings.
• Develop tokenization engine design for reuse across instruments.

Skills

Solidity / EVM

Security-focused mindset

Auditors collaboration

Problem-solving

Communication skills

Education

Degree in Computer Science or Engineering

Tools

Canton

Besu

Job description

Euronext is building a Digital Assets team in Europe and seeks a Blockchain / Smart Contract Engineer to design, build, and secure on-chain core infrastructure. You'll own smart contracts from issuance to settlement and work with product teams to deliver compliant, scalable solutions.

Key responsibilities include testing, auditing readiness, and designing tokenization engines for reuse across instrument types, with AI-assisted scaffolding guiding development.