Senior Solidity Developer

Join KA Career as a Senior Solidity Developer to build the next generation of a DeFi protocol. Competitive salary and flexible work options available.

• Develop and enhance smart contracts for a DeFi protocol • Design contract architecture with a focus on security and scalability • Research and implement new approaches and patterns in smart contract development • Contribute to building supporting modules and services around the protocol • Optimize contracts for gas efficiency and performance • Collaborate with backend and product teams to implement business logic

• Upper-intermediate English (B2+) • 5+ years of experience in Solidity development (production level) • Experience implementing complex business logic and mathematical computations in Solidity • Degree in Mathematics, Computer Science, or a related field • Strong understanding of the Ethereum Virtual Machine (EVM) • Hands-on experience deploying and maintaining complex smart contracts on mainnet • Knowledge of smart contract security principles (reentrancy, overflow, etc.) • Experience with code reviews and contract audits • Participation in open-source or DeFi projects • Understanding of Layer 2 architecture

• Additional bonuses: tokens and other long-term incentives • Medical, dental, and vision insurance (including family coverage) • Wellbeing programs and access to fitness partners • Retirement plan • Education budget of ~$1,500 per year • Flexible vacation policy (no strict limits) • Up to 16 weeks of paid parental leave • Home office reimbursement • Office meals