Senior QA Automation Engineer

October 4, 2026

Hybrid

Senior

London

Worth knowing

Mandatory office attendance
3 days per week
English is required

Description

Senior QA Automation Engineer focused on test automation for a scaling fintech building a real-time energy trading platform. The role centers on end-to-end integration and data flow testing across a complex network of internal and third-party systems, with AI processing unstructured documents. You own testing strategy, tooling and automation coverage from the ground up in an autonomous, highly business-facing role.

Responsibilities

Take ownership of testing the connections between systems with internal integrations predominantly API led
Establish automated test coverage from the ground up with structure and best practice
Test third-party integrations including fund administrators with less standardised interfaces
Work closely with stakeholders to understand requirements and define acceptance criteria
Support user acceptance testing and ensure the platform meets real operational needs
Ensure integrations and data journeys work accurately, reliably and at scale

Requirements

Strong Playwright Test Automation skills
Experienced QA Engineer comfortable with APIs, complex data flows and multiple systems
Uses Claude in day to day activities and can review its output
Happy to work autonomously and make the tech decisions
Experience working in a trading / finance environment with understanding of financial data and good numeracy skills
Collaborative and pragmatic with strong communication and stakeholder management skills
Degree educated in a STEM discipline from a top tier university

Conditions

Join the team in the London office three days a week with flexibility to work from home the other two days
Salary to £90k
Remote working component
Impactful role with complex challenges
Great career growth opportunities as the company scales

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