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Senior Test Automation Engineer - CREST Settlement Systems

SaltSouth East London, London🇬🇧United KingdomPosted 4 Aug 2026

Quick Overview

Work Type
On Site
Schedule
Temporary/Casual
Level
Mid Senior

Job Description

Senior Test Automation Engineer - CREST Settlement Systems

Location: Hybrid (8 days onsite per month)
Contract: 12 Months
Engagement: Inside IR35
Industry: Financial Services / Capital Markets

About the Role

We are seeking an experienced Senior Test Automation Engineer with strong experience across CREST settlement systems, test automation, and financial markets to join a leading financial services organisation.

Working within Agile delivery teams, you will play a key role in defining the overall testing strategy, designing and executing automated and manual test cases, and ensuring the successful delivery of high-quality software across business-critical settlement platforms.

This is an excellent opportunity to work on complex post-trade and securities settlement systems while collaborating with highly skilled engineering teams in a modern Agile environment.

Key Responsibilities

  • Develop and own Test Strategies and recommend the most effective testing approach.
  • Present testing strategies and approaches to technical and business stakeholders.
  • Review functional and technical specifications to produce comprehensive test scenarios and test cases.
  • Execute both manual and automated testing across multiple applications.
  • Perform peer reviews of test artefacts to ensure quality standards are maintained.
  • Manage defects throughout the testing lifecycle, including investigation, analysis and defect triage.
  • Work collaboratively across multiple Agile squads and distributed teams.
  • Provide regular progress updates and manage stakeholder expectations throughout delivery.
  • Ensure high-quality testing deliverables are produced in line with agreed standards.
  • Contribute to sprint planning, stand-ups, retrospectives and other Agile ceremonies.
  • Support continuous improvement of testing practices and automation capabilities.

Essential Skills & Experience

  • Extensive experience as a Senior Test Automation Engineer, Quality Engineer, or Senior QA Engineer.
  • Proven experience working within Agile software delivery environments.
  • Strong Financial Services or Capital Markets background.
  • Experience creating and delivering comprehensive Test Strategies and Test Plans.
  • Excellent SQL skills.
  • Strong automation experience using:
  • Selenium
  • Java
  • UFT
Experience using:
  • Azure DevOps
  • ALM (Application Lifecycle Management)
Experience with:
  • CREST settlement systems
  • CREST proprietary messaging
  • SWIFT messaging
  • ISO15022 / ISO20022 messaging
  • Windows
  • UNIX
Excellent defect management and root cause analysis experience.Strong stakeholder management and communication skills.ISTQB or ISEB Foundation Certification.

Desirable Skills

  • Playwright
  • BDD / TDD
  • Kafka
  • OpenShift
  • CI/CD pipelines
  • Jenkins
  • API Testing
  • Post-trade settlement platforms
  • Securities processing
  • Clearing and Custody systems

*Rates depend on experience and client requirements


Skills

SQL
Swift
Selenium
TDD
Agile
Azure
BDD
Java
Jenkins
Kafka
Playwright
Stakeholder Management

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