Software Development Engineer in Test, Blockchain.com

• Innate curiosity and a strong passion for quality engineering
• Professional experience as an SDET, QA Automation Engineer, or Software Engineer with a focus on testing
• Strong experience with Python (test automation, scripting, or backend validation)
• Familiarity with SQL for data validation
• A pragmatic, hands-on approach to solving complex problems
• Solid understanding of algorithms, data structures, databases, and distributed systems

Desirable

• We’re looking for a Software Development Engineer in Test (SDET) to join our Institutional team in London. At Blockchain.com, we thrive in a high-performance culture defined by fearlessness, ownership, and hyper-productivity. As an SDET, you will play a critical role in ensuring the quality, reliability, and performance of our trading and financial systems
• Design and build automated test frameworks and tools for low-latency, high-throughput trading services
• Develop, maintain advocate test suites across the full product lifecycle:
• Unit testing
• Integration testing (local and end-to-end)
• Performance and load testing
• Failure recovery testing
• Collaborate with software engineers to embed quality from the ground up in OMS, exchange gateways, risk management systems, and settlement services
• Monitor, analyze, and improve system reliability, scalability, and performance through continuous testing
• Ensure security-first testing practices, validating encryption schemes and protecting user and company data
• Work closely with cross-functional teams to provide feedback, drive improvements, and raise the bar for engineering excellence