Big Data Tester

Hands-on data automation engineer with strong Python or Java coding skills and solid SQL expertise, who can work with large data sets, understand stored procedures, and independently write data-driven automation logic. Develop and execute test cases with a focus on Fixed Income trading workflows. The requirement goes beyond automation tools and aligns better with a junior developer or data automation role

Desired Skills and experience

• Strong programming experience in Python (preferred) or Java. Strong experience of working with Python and its libraries like Pandas, NumPy, etc.
• Hands-on experience with SQL, including:
• Writing and debugging complex queries (joins, aggregations, filtering, etc.)
• Understanding stored procedures and using them in automation
• Experience working with data structures, large tables and datasets
• Comfort with data manipulation, validation, and building comparison scripts
• Nice to have: Familiarity with PyCharm, VS Code, or IntelliJ for development and understanding of how automation integrates into CI/CD pipelines
• Prior exposure to financial data or post-trade systems (a bonus)
• Excellent communication skills, both written and verbal
• Experience of working with test management tools (e.g., X-Ray/JIRA).
• Extremely strong organizational and analytical skills with strong attention to detail
• Strong track record of excellent results delivered to internal and external clients
• Able to work independently without the need for close supervision and collaboratively as part of cross-team efforts
• Experience with delivering projects within an agile environment

Key Responsibilities

• Write custom data validation scripts based on provided regression test cases
• Read, understand, and translate stored procedure logic into test automation
• Compare datasets across environments and generate diffs
• Collaborate with team members and follow structured automation practices
• Contribute to building and maintaining a central automation script repository
• Establish and implement comprehensive QA strategies and test plans from scratch.
• Develop and execute test cases with a focus on Fixed Income trading workflows.
• Driving the creation of regression test suites for critical back-office applications.
• Collaborate with development, business analysts, and project managers to ensure quality throughout the SDLC.
• Provide clear and concise reporting on QA progress and metrics to management.
• Bring strong subject matter expertise in the Financial Services Industry, particularly fixed income trading products and workflows.
• Ensure effective, efficient, and continuous communication (written and verbally) with global stakeholders
• Independently troubleshoot difficult and complex issues on different environments
• Responsible for end-to-end delivery of projects, coordination between client and internal offshore teams and managing client queries
• Demonstrate high attention to detail, should work in a dynamic environment whilst maintaining high quality standards, a natural aptitude to develop good internal working relationships and a flexible work ethic
• Responsible for Quality Checks and adhering to the agreed Service Level Agreement (SLA) / Turn Around Time (TAT)