Full Description

Job Title: QA Automation Engineer (Python / PyTest / Cosmos DB)-Banking Client Exp Required

Location: London- 3Days/week Onsite

Duration: 6months+ Contract Inside IR35

500GBP/Day

Role Overview

We are looking for a QA Automation Engineer to join a Pod-based delivery team working on critical applications and data platforms within a global financial market's environment. The role is key to ensuring high quality, reliability, and regulatory compliance across systems that handle large transaction volumes and business-critical data.

The ideal candidate will be hands-on in manual and automated testing, with strong experience in Python, PyTest, and exposure to Cosmos DB. The role also requires close collaboration with developers, product owners, and data engineering teams in an Agile, CI/CD-driven environment.

Key Responsibilities

Design and execute manual and automated test cases across functional, regression, integration, and end-to-end scenarios Validate financial calculations, transaction flows, compliance logic, and reporting across multiple platforms Perform end-to-end data validation across ETL pipelines, databases, and reporting layers Develop, maintain, and enhance test automation scripts using Python and PyTest Support API testing using tools such as Postman and Python libraries Validate system performance and scalability using performance and load testing tools Ensure systems and data meet regulatory requirements (GDPR, SOX, etc.) through targeted test scenarios and documentation Log, track, triage, and report defects using agreed tools and processes Work closely with product owners, developers, and business stakeholders to translate requirements into effective test scenarios Create, maintain, and update test documentation and internal knowledge repositories

Essential Skills & Experience

Strong experience designing and executing test cases across multiple test phases Hands-on Python experience for test automation Strong experience with PyTest (or similar automation frameworks such as Robot Framework) Experience working with Cosmos DB (or strong NoSQL database testing experience) Experience in API testing (Postman, Requests, etc.) Strong SQL skills for data validation across databases and reporting layers Experience with Big Data testing and data-intensive platforms Familiarity with CI/CD pipelines and version control tools (Git, Jenkins, GitLab CI, Azure DevOps) Experience working in Agile / Scrum environments Strong communication skills and ability to collaborate within cross-functional Pod teams

Desirable / Nice to Have

Experience working in financial services or banking environments Understanding of financial regulations such as GDPR, SOX Experience with cloud-based QA practices Exposure to AI-assisted testing tools Knowledge of web technologies (HTML, CSS, JavaScript) and browser automation tools (Selenium) Formal QA certification (ISTQB or equivalent) Experience with Microsoft Fabric (advantageous)