Software Engineer

Ink is a next-generation Ethereum Layer-2 network incubated by Kraken, built using Optimism’s OP Stack and designed to make decentralized finance faster, cheaper, and more accessible. As part of the Optimism Superchain, Ink combines Ethereum-level security with high-performance execution, enabling developers and users to interact with DeFi at scale.

We’re building a chain and ecosystem that bridges the reliability and reach of a global exchange with the openness of on-chain infrastructure. Our focus is on empowering developers, improving user experience, and accelerating real-world adoption of decentralized applications. Joining Ink means working at the intersection of Ethereum scaling, DeFi innovation, and production-grade blockchain infrastructure, alongside a team committed to shipping impactful, secure, and user-centric technology.

The opportunity

Collaborate with designers and product managers to understand business needs
Work jointly with devOps all along the software development lifecycle from the writeup of technical specifications in the form of RFCs, to feature development and testing.
Develop and maintain services that power onchain experiences.
Integrate 3rd party APIs and multiple blockchain networks into our products.
Design and implementation of low-latency, high-availability scalable applications
Write reusable, testable, and efficient code
Create optimized database schemas
Mentoring of engineers and contribution to hiring

Skills You Should HODL

5+ years of full-time engineering experience within a large technology organization or fast growing startup
Experience working with blockchain technology and DeFi
Experience building backend services with Node.js, Typescript
Experience building and maintaining high volume production quality applications using React or React Native, with good knowledge of state management and client side systems design
Experience working with GraphQL, SQL, RESTful APIs and WebSockets
Good understanding of best practices with version control and continuous integration.
Solid understanding of engineering and design principles behind distributed and scalable applications
Understanding user authentication and authorization between multiple systems, servers, and environments
Clear passion for both Software Engineering and Crypto
Take complete end-to-end ownership of tasks.

Ink is built by a globally distributed, remote-first team, and we value the diverse talents, backgrounds, contributions, and perspectives that each person brings. We hire based on merit, focusing on the abilities, knowledge, and skills that make someone well-suited for the role. We encourage you to apply even if you don’t meet every listed requirement — especially if you’re passionate about blockchain, DeFi, or Ethereum scaling.

Ink is an equal opportunity team and does not tolerate discrimination or harassment of any kind. This includes discrimination based on race, ethnicity, age, gender identity or expression, citizenship, religion, sexual orientation, disability, pregnancy, veteran status, or any other protected characteristic as defined by applicable local, national, or international laws.

Software Engineer

Key Skills

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