System Tester in City of London, London

System Tester
3 Months
London - Hybrid (1-2 days per week)
£485-535 per day (Inside IR35)

My client, a bank is looking for a software tester to join their fast-paced team on an initial 3 month contract.

This role is part of a strategic initiative to upgrade the existing Algo Collateral Management System. The legacy system, originally developed by IBM, is being replaced with the latest version provided by SmartStream, who acquired the platform in 2017. The upgrade focuses on updating the system?s incoming and outgoing interfaces, ensuring seamless integration and operational continuity.

Key Responsibilities:
Develop and execute comprehensive system test plans, test cases, and test scripts aligned with the upgrade scope.
Validate the incoming and outgoing interfaces of the new SmartStream Algo system, ensuring data integrity and functional accuracy.
Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios.
Perform system integration testing (SIT) and support user acceptance testing (UAT) phases.
Identify, document, and track defects using standard defect management tools.
Participate in test reviews, walkthroughs, and sign-off processes.
Ensure compliance with internal QA standards and regulatory requirements.
Provide regular status updates and contribute to test reporting and metrics.

Required Skills & Experience:
Proven experience as a System Test Analyst or similar role in complex system upgrade or integration projects.
Strong knowledge of system testing methodologies, tools, and best practices.
Experience testing interfaces (inbound/outbound), including file-based and API integrations.
Familiarity with test management tools such as JIRA.
Ability to write and execute SQL queries for data validation and backend testing.

Financial Services Experience:
Solid understanding of collateral management, settlements, or post-trade processing in a financial services environment.
Experience working with SmartStream or Algo Collateral systems is highly desirable.
Knowledge of financial instruments (e.g., derivatives, repos, securities lending) and associated collateral workflows.

Desirable Skills:
Experience in Agile or hybrid project delivery environments.
ISTQB or equivalent testing certification.