Senior Software Engineer in Test - IOE: Cardano

Company: Input Output (IOHK)

Location:

Posted: April 11th, 2026

Senior Software Engineer in Test - IOE: Cardano

Posted 4 days ago. Be among the first 25 applicants.

About IOG

IOG is a technology company focused on blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer‑reviewed research and formal methods to ensure security, scalability, and sustainability. Our projects include the Cardano blockchain and other products in decentralized finance (DeFi), governance, and identity management, aiming to advance the capabilities and adoption of blockchain and Web3 globally.

We invest in the unknown, applying our curiosity and desire for positive change to everything we do. By fueling creativity, innovation, and progress within our teams, our products and services are designed for people to be fearless and changemakers.

What the role involves

As a Senior Software Engineer in Test at IOE, you are responsible for improving how IOE builds, maintains, and tests software while actively contributing to product development. You lead efforts to ensure the quality of engineering practices within your team, working across teams to identify and implement improvements. This includes sharing code, simplifying complex processes, and championing best testing practices. In this position, you are responsible for writing testable, production‑ready code, and influencing the overall quality and architecture of the software. As a senior member of the team, you will mentor and grow other engineers, promote test automation, and lead in improving the overall testing culture across IOG.

Requirements

Who you are

We are looking for a collaborative and proactive engineer who thrives in a fast‑paced environment, enjoys mentoring others, and proactively shapes our testing strategy.

Benefits

At IOG, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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