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
  
  

• 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.