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nineDots.io

Senior Crypto Engineer

nineDots.io
Ireland · Full-time · Mid-Senior

You’ll design and build secure, user-focused crypto products, ranging from smart contracts to blockchain integrations - shaping the next generation of the company’s digital asset strategy.


Here you’ll play a senior role in a greenfield crypto initiative, helping bring their blockchain vision to life. With direct input into architecture, security, and product design, this is your chance to make a real impact - backed by one of the world’s most trusted financial institutions.

You’ll work hands-on across the full stack, collaborate with cross-functional teams, and help deliver a secure, scalable platform that puts usability and performance first.


What you’ll do

Lead the development of crypto-native systems, including smart contracts, APIs, wallets, and integrations. Contribute across the stack, from protocol-level engineering to customer-facing features. Prototype, test, and iterate in collaboration with product and design teams. Champion best practices for blockchain security and performance. Guide and mentor fellow engineers while contributing to open-source projects.


What you’ll need

8+ years of software engineering experience, including blockchain systems or crypto platforms. Expertise in programming languages like Solidity, Rust, Go, TypeScript, or Python. Hands-on experience with smart contracts, DeFi, or wallet infrastructure. Strong knowledge of Ethereum, Bitcoin, or L1/L2 protocols. Understanding of cryptographic principles (e.g., public-key, ZKPs). Open-source contributions and strong GitHub profile essential. Excellent communication and team leadership skills. Degree in Computer Science or equivalent experience


About the company

You’ll be part of an innovation-focused venture studio within a global financial leader - combining the speed, autonomy, and creativity of a startup with the backing, resources, and scale of an established institution. It’s a place where bold ideas are encouraged, and engineers have the freedom to build impactful, next-gen digital products from the ground up.


If this sounds like your jam, please hit the ‘Apply’ button.

Key Skills

Ranked by relevance

blockchain product design typescript solidity python rust
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Posted
Jul 31, 2025
Type
Full-time
Level
Mid-Senior
Location
Dublin

Industries

Software Development Financial Services

Categories

Engineering Information Technology

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