Software Test Engineer | Operations and Accounting Technology | Experienced Hire

Susquehanna International Group is a global quantitative trading firm that values scientific rigor and innovation. They are seeking a Software Test Engineer to join their Operations and Accounting Technology team, responsible for ensuring the quality and reliability of applications critical to post-trade workflows and financial reporting. The role involves designing and executing test plans, both manual and automated testing, and managing production releases in a fast-paced environment. Responsibilities: Design and execute test plans and test cases for new features, enhancements, and bug fixes; Perform a combination of manual and automated testing across multiple applications and environments; Develop and maintain automated test scripts and tools (primarily using C#); Configure and manage test environments and test data; Identify, document, and track defects; partner with developers to drive timely resolution; Support integration, regression, and production verification testing; Own and execute production releases, including coordination, validation, and post-release verification; Troubleshoot issues across environments, including production, to identify root causes and improve test coverage; Collaborate closely with developers and fellow testers throughout the SDLC; Communicate test status, risks, release readiness, and priorities clearly to both technical and business stakeholders; Adapt quickly to changing priorities and manage multiple parallel workstreams Qualifications: Bachelor's degree in Computer Science, Engineering, Mathematics, or related field (or equivalent experience); At least 2 years of hands-on experience in software testing (manual + automated); Ability to quickly learn new systems and understand how they support operational and accounting workflows; Strong organizational skills with the ability to manage multiple priorities in a fast-paced environment; Proven ability to work collaboratively within a team of testers and developers; Strong communication and problem-solving skills; Experience with: Test planning and execution across complex systems; Automated testing using C# or similar object-oriented languages; SQL for data validation, querying, and troubleshooting; Debugging, log analysis, and issue triage; Production releases, deployment processes, or release coordination Required Skills: Automated testing using C#, Test planning, Execution, SQL for data validation, Production releases coordination, Debugging, Log analysis, Collaboration skills