*Dublin - Hybrid *Permanent *Strong salary and benefits package We are seeking a Senior Crypto Engineer to play a key role in the creation of innovative, customer-facing cryptocurrency products as part of a greenfield initiative. In this position, you will lead the architecture and development of secure, scalable, and user-focused digital asset solutions from the ground up. Youll work closely with product managers, designers, and cross-functional teams to design and build state-of-the-art blockchain-based systems tailored to FinTech applications. Your work will ensure high standards of security, performance, and seamless user experience. This is a rare opportunity to influence the crypto strategy of a globally recognised financial institution while enjoying the fast-paced, dynamic environment of a startup. The Expertise and Skills You Bring *Hands-on experience in digital asset development, including cryptocurrencies, blockchain protocols, and decentralized applications (dApps). *Proven track record of designing and building secure, scalable crypto systems, including wallets, smart contracts, or trading platforms. *Deep expertise in blockchain technologies (e.g., Ethereum, Bitcoin, or other layer-1/layer-2 protocols) and cryptographic principles (e.g., public-key cryptography, zero-knowledge proofs). *Significant contributions to open-source crypto projects, with publicly verifiable work on platforms like GitHub. *Strong programming skills in languages such as TypeScript, Solidity, Rust, Go, or Python, with experience in low-level systems programming for blockchain nodes or protocols. *Hands-on experience with customer-facing crypto products, such as wallets, exchanges, or DeFi platforms, and a focus on usability and security. *Proficiency in designing and implementing secure APIs, smart contracts, and system integrations for blockchain-based applications. *Experience with agile development, rapid prototyping, and iterative feature validation in a fast-paced, innovative environment. *Strong knowledge of decentralized finance (DeFi) and consensus mechanisms (e.g., PoW, PoS, DPoS). *Demonstrated ability to mentor and guide engineering teams, fostering technical excellence and innovation. *Excellent communication skills, with the ability to articulate complex cryptographic and blockchain concepts to technical and non-technical stakeholders. *Bachelors degree in Computer Science, Cryptography, Engineering, or a related field (preferred but not required). *Passion for staying at the forefront of crypto innovation, with a proactive approach to exploring emerging blockchain technologies and trends. Skills: Crypto blockchain bitcoin rust python typscript DeFi