Senior Crypto EngineerDublin | Hybrid| Full-timeWe are seeking a highly skilledSenior Crypto Engineerto join a dynamic start-up incubator focused on building innovative, customer-facing crypto products. In this role, you will architect and develop secure, scalable, and user-centric digital asset solutions from the ground up, shaping the vision for our crypto initiatives. Collaborating with product managers, designers, and cross-functional teams, you will design and implement cutting-edge blockchain-based systems focused on FinTech use cases, ensuring robust security, performance, and seamless user experiences. This is a unique opportunity to work in a start-up-like environment with strong organizational backing.Key ResponsibilitiesArchitect, design, and develop secure, scalable blockchain solutions including wallets, smart contracts, and trading platforms.Lead the development of decentralized applications (dApps) and other digital asset products.Drive innovation in crypto systems with a focus on usability, security, and performance.Collaborate with cross-functional teams to deliver end-to-end blockchain solutions.Contribute to open-source crypto projects and maintain verifiable public code contributions.Mentor and guide engineering teams to foster technical excellence and innovation.Stay at the forefront of blockchain and crypto technology trends, evaluating new tools and protocols for potential adoption.Required Expertise & SkillsHands-on experience in digital asset development, including cryptocurrencies, blockchain protocols, and DeFi applications.Proven experience designing and building secure, scalable crypto systems, including wallets, smart contracts, or trading platforms.Deep expertise in blockchain technologies (Ethereum, Bitcoin, or other layer-1/layer-2 protocols) and cryptographic principles (e.g., public-key cryptography, zero-knowledge proofs).Strong programming skills in TypeScript, Solidity, Rust, Go, or Python, with experience in low-level systems programming for blockchain nodes or protocols.Experience with customer-facing crypto products such as wallets, exchanges, or DeFi platforms, with a focus on usability and security.Proficiency in designing and implementing secure APIs, smart contracts, and system integrations for blockchain-based applications.Familiarity with decentralized finance (DeFi) protocols and consensus mechanisms (PoW, PoS, DPoS).Experience with agile development, rapid prototyping, and iterative feature validation in fast-paced environments.Excellent communication skills, able to explain complex cryptographic and blockchain concepts to technical and non-technical stakeholders.Bachelor's degree in Computer Science, Cryptography, Engineering, or a related field (preferred but not required).About the TeamYou will join astart-up incubatorwithin a larger financial organization, focused on prototyping next-generation digital finance ventures. The team operates like a lean start-up, providing high autonomy and direct impact, backed by the resources and stability of an established enterprise.