Protocol Engineer

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Description

development Full-time Fully remote Protocol Engineer About Serokell Serokell is a fully remote software development company working on technically ambitious projects across areas like programming languages, blockchain infrastructure, fintech, biotech, and AI. We care about strong engineering, thoughtful collaboration, and solving complex problems with depth rather than hype. We review applications on a rolling basis. Start date depends on current project needs and mutual fit. If your profile is a strong match, we will contact you with next steps. About the Role We are looking for a Protocol Engineer to join our team and work on blockchain infrastructure and protocol-level components. This role is aimed at engineers with real hands-on experience in core blockchain development, not only application-level work. We are looking for someone who understands how blockchain systems operate under the hood and has contributed to the architecture, implementation, or improvement of essential protocol components. You may be a strong fit if you have worked on nodes, validators, clients, execution or validation logic, synchronization, networking, storage, or other parts of blockchain infrastructure. We are especially interested in people who combine solid systems thinking with a practical engineering mindset and care about reliability, maintainability, and performance. Hiring Process Overview The first step is a short questionnaire. Next, we invite matching candidates to an HR screening. The

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