Senior Crypto Engineer
Dublin | Hybrid
| Full-time
We are seeking a highly skilled
Senior Crypto Engineer
to 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 Responsibilities
* Architect, 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 & Skills
* Hands-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 Team
You will join a
start-up incubator
within 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.