Software Development Engineer in Test - Electronic Trading

You'll work embedded in the development team, expanding and improving automated acceptance and end-to-end test coverage, contributing to exploratory testing, and supporting the continuous delivery pipeline. You'll collaborate closely with developers and business analysts, pair on problems, and proactively identify where quality improvements are needed. This is not a checkbox QA role. It's a hands-on engineering position for someone who thinks critically, breaks things deliberately, and cares about getting it right., * Expand and maintain automated acceptance and end-to-end test suites

• Challenge and enrich requirements from a test coverage perspective
• Identify gaps in quality and proactively drive improvements
• Support the development team by enhancing testing infrastructure for continuous delivery
• Participate in pair programming and collaborative problem solving
• Contribute to exploratory testing across complex distributed systems

• Solid experience with Object Oriented Programming - Java strongly preferred
• Hands-on experience with both component-level and end-to-end testing
• Experience testing failure scenarios and edge cases, not just happy paths
• Comfortable working as part of a development team, not in a siloed QA function
• Strong communicator - equally at ease with technical and non-technical stakeholders
• A GitHub profile or equivalent evidence of your programming work

Bonus Points

• Experience with continuous delivery pipelines or CI environment management
• Exposure to API testing (non-HTTP), distributed systems, or event-driven architectures
• Familiarity with messaging or network protocols
• Background in electronic trading or financial systems - fixed income a plus
• Experience with Extreme Programming or pair programming practices

• Salary up to €100,000 depending on experience
• Equity / share scheme
• Fully remote with flexible working (UK hours, 9-6)
• Office access in central London if needed

Interview Process

1. Discovery call
2. Hiring manager interview
3. Technical interview
4. Final interview
5. Offer