Developer in Test in London

Developers in Test are key to the continued stability and delivery of our software.

Candidates should be passionate about delivering high-quality software and committed to ensuring our clients have the best user experience possible.

Testers at Trayport share an unrivaled passion for software testing and love nothing more than voraciously and persistently hunting down and investigating potential issues, helping to make our software the best it can be.

Our testers use a combination of test automation, technical testing, and exploratory testing to build quality into our software, working closely with the rest of their team and coaching others on how to write better software.

For us, teamwork is everything.

We listen to each other, adapt, evolve, and strive to innovate.

We are making significant investments in our business, and we will invest in you.

Responsibilities

• Automate test cases using the same coding languages and standards as the developers on your team, focusing mainly on coding and keeping manual testing to an absolute minimum.
• Create new, fast, and reliable automated tests, investigate test failures, and drive automation efficiencies using modern tools and framework techniques.
• Leverage AI-powered development tools (such as Git Hub Copilot, Chat GPT, or similar AI assistants) to accelerate test script generation, optimize code quality, and streamline troubleshooting workflows.
• Improve existing or construct brand-new Continuous Integration and Continuous Deployment (CI/CD) pipelines.
• Mentor other QEs on automation best practices and proactively support automation backlog efforts.
• Perform deep root‑cause analysis of bugs and dive straight into the source code when necessary.
• Participate in software architecture discussions, contribute to interactive whiteboard sessions, and collaborate on user stories and acceptance criteria.
• Serve as a subject‑matter expert and point of contact for product knowledge across the business, while regularly participating in knowledge‑sharing sessions with the wider engineering team.

Qualifications

• 3+ years of hands‑on experience with C#, including writing unit and integration tests and utilizing mocking frameworks.
• Strong background developing, maintaining, and scaling automated test frameworks, with at least 2+ years of focused experience in API testing.
• Experience working with Docker and a genuine passion for building and optimizing CI/CD pipelines.
• Familiarity with or strong interest in incorporating AI tools into the development and testing lifecycle to improve coding productivity and efficiency.
• Solid understanding of testing concepts, methodologies, and processes, alongside a foundational grasp of web technologies such as web services, application servers, and RESTful APIs.
• Inquisitive nature paired with excellent analytical and problem‑solving skills, willingness to participate in—and often lead—technical discussions, and ability to learn rapidly and adapt to highly complex, fast‑moving issues.
• Collaborative mindset, happy to work alongside a diverse group of stakeholders, and proactive attitude toward personal development with a strong sense of care and responsibility for your work.

Trayport is committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate.

We provide accommodations for applicants and employees who require it.

Our

Culture: At Trayport, our people power our success.

We are a place where talented people never stop learning, innovating and working together to make an impact!

We’re always pushing the boundaries, rapidly expanding our global presence across London, Vienna, Singapore, Bremen and North America.

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