> Markdown version of [/jobs/ext/4696616-senior-protocol-engineer](https://www.wearedevelopers.com/jobs/ext/4696616-senior-protocol-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Protocol Engineer - **Company:** Asula Labs - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Business Logic, Blockchain, Virtual Machines, Bitcoin - **Published:** November 13, 2026 - **Apply:** https://www.adzuna.nl/details/5459720746 ## About the Role * 3+ years of experience designing protocols for financial applications like decentralized exchanges and lending markets. * Solid understanding of consensus, blockchain architecture and virtual machine concepts (especially as they pertain to Solana). * Experience with audits, deployment and maintenance of onchain protocols. * Prior experience building on top of bitcoin. * Prior experience building application-specific blockchains from consensus and networking to business logic. ## Description For this role we're seeking protocol-focused engineers who can work across the blockchain stack to ship new protocols while balancing speed and safety. The core expectations from a candidate in this role would be to: * Develop and maintain smart contracts for the SVM. * Develop and maintain schemes for collateral management on bitcoin where expressivity is limited. * Design fundamentally sound protocols for lending and insurance.