Software Development Engineer in Test

Veridian, an initiative of the Cardano Foundation, is building the infrastructure layer for digital identity, powering credential issuance and verification across regulated industries. We are seeking a Software Development Engineer in Test (SDET) to join a small, high-impact team. This role involves shaping quality across the Veridian Wallet, enterprise credential management applications, cloud-based backend services, and open-source protocol libraries. Our technology stack leverages open protocols KERI and ACDC, using components like KERIA (Python), Signify-TS, and Signify-Java. Responsibilities include designing and implementing end-to-end, integration, and API test automation frameworks, building CI/CD quality gates, obsessing over edge cases, testing the full product stack, collaborating with engineers, and owning test environments, data management, and reporting. The Cardano Foundation is an independent, Swiss-based not-for-profit organization dedicated to advancing the public digital infrastructure Cardano, strengthening its operational resilience, and driving diversity of on-infrastructure use cases. The Foundation offers benefits such as flexible remote work, an annual learning budget, opportunities for career growth, team building events, and an inclusive work environment with a focus on making a significant impact in the blockchain industry.

Qualifications

3+ years in an SDET or test automation role, Strong hands-on experience developing production grade automation frameworks in languages like TypeScript and Java, Familiar with mobile testing (Appium, Maestro or similar), Background in security sensitive systems (key management, cryptographic operations), Exposure to fault tolerant domains (out of order messaging, connectivity failures), Comfort with CI/CD pipelines (GitHub Actions preferred), containers (Docker) and lifecycle tooling (Git, Jira/Confluence), Self motivated, independent and thorough in finding what others miss, Fluency with AI tools to write tests more efficiently, generate edge cases and expand coverage (nice to have), Industry experience in cryptography and key management (nice to have), Familiarity with decentralized identity protocols and systems (nice to have), Performance and load testing experience (nice to have), Experience in a startup environment where speed, ownership and adaptability matter more than process (nice to have)