Our clients include traditional financial institutions, fintechs, and service providers navigating the complexities of multi-chain DeFi. They are empowered by a unified API that facilitates seamless access to on-chain liquidity across major blockchains, enabling the best prices for both same-chain and cross-chain swaps. The mission is to support clients in building a fairer, more decentralized world while prioritizing user experience and making complex technologies accessible to everyone.

A Senior Smart Contract Engineer is sought to join the team. This role involves managing smart contract operations across more than 30 EVM networks and Solana, ensuring their security, efficiency, and seamless integration. The engineer will collaborate closely with team members to expand the extensive smart contract codebase and maintain a variety of production contracts. Their technical expertise and proactive problem-solving skills will be essential in adopting new technologies and ensuring the smart contract architecture remains at the forefront of the industry.

• Develop, deploy, and configure over 500 production smart contracts across 30+ EVM networks, ensuring security and optimal gas performance.
• Support the expansion into new non-EVM ecosystems.
• Apply industry best practices and collaborate with external auditors for regular code audits, maintaining high security standards.
• Continuously review and enhance smart contract architecture to align with business needs, security requirements, and performance goals.
• Drive innovation by researching and integrating emerging technologies and attending relevant industry conferences.
• Create scripts and tools to improve task execution efficiency and security.
• Collaborate closely with leadership to shape the cross-chain infrastructure strategy.

• 6+ years of experience in software development, with a focus on Solidity (including YUL/Assembly).
• Proficiency in Solidity, Foundry (or Hardhat), and TypeScript.
• Production experience with non-EVM ecosystems, particularly Cosmos (Cosmos SDK), TON (FunC), and/or Aptos (Move).
• Fluent English communication
• Location: EMEA or APAC.

• Contributions to Ethereum Improvement Proposals (EIPs).
• Experience with bridge or cross-chain protocols.
• Implementing zkProof technologies.

• Strong communication skills.
• Energetic and open to learning, with a detail-oriented and curious mindset.

• Salary up to 150K EUR
• Annual team offsites in exciting locations.
• Flexible remote work days and hours.
• Equity participation from Day 1.
• Choice of work computer equipment.
• One conference per year near their city of residence.
• An annual personal development budget of €1,000 after six months of employment (pro-rated in the first year).
• A one-time €1,000 remote budget for coworking or office setup.
• 30 days of paid time off (PTO).

• HR Screening
• Technical Assignment
• Technical Interview 
• Culture interview