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April 10, 2026

Senior SDET- Investment Banking (API Trading Systems)

Senior • Hybrid

100 - 250 PLN

Warsaw, Poland

Senior SDET – Investment Banking (API & Trading Systems)

Location: Warsaw - Flexi-Hybrid

Contract Type: B2B

Rate: Up to 2000 PLN/day

We’re working with a leading global investment bank on a high-impact project to upgrade their middle office risk system. This platform supports millions of trades daily across FX, equities, and derivatives, and the team is seeking a skilled SDET to join their expanding testing function.

What You’ll Be Working On

• API testing for middle office trading systems

• Designing and implementing automated test frameworks (Java, Selenium, Cucumber)

• Functional and performance testing of trading applications

• Collaborating with developers, BAs, and traders to validate business logic and trade lifecycle flows

• Exploring GenAI/LLM tools for future testing innovation

What We’re Looking For

• 4–8+ years of experience in test automation OR manual testing, ideally in banking or financial services

• Strong Java skills and hands-on experience with Selenium, Cucumber, JMeter, Postman, and SoapUI

• Solid understanding of the trade lifecycle, OTC derivatives, and regulatory frameworks (EMIR, Dodd Frank, FRTB)

• Experience with CI/CD pipelines (Jenkins, Azure DevOps), SQL, Unix scripting, and Git

• Exposure to Kubernetes, Docker, and cloud-based microservices environments

• Bonus: Experience with GenAI tools or smart test design using LLMs