Automation Test Engineer - Mobile Applications

Job Title: Automation Test Engineer - Mobile Applications
Location: Burgess Hill - 3 days per week in the office
Salary/Rate: £272 per day inside IR35
Start Date: 26/10/2026
Job Type: Contract - 6 months

Company Introduction
We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled Quality Engineer with Mobile Apps testing experience to join their team for a six-month contract.

Job Responsibilities/Objectives

As an embedded member of a cross-functional Scrum Team, you will help prevent defects by applying an engineering-led, risk-based approach throughout the software delivery lifecycle. You will improve the App customer experience through mobile, API and end-to-end automation, early risk identification, fast feedback and evidence-based release decisions.

You will champion shared ownership of quality, provide constructive challenge and engineering insight, and contribute to the wider Quality Engineering community through continuous improvement and responsible AI-assisted engineering.

• Collaborate with Engineers, Product Owners and stakeholders to clarify requirements, acceptance criteria and quality risks early.
• Define risk-based test approaches covering functional and non-functional requirements.
• Design, maintain and integrate automated tests for mobile applications, APIs and end-to-end customer journeys within CI/CD pipelines.
• Perform exploratory, integration, regression, compatibility and usability testing across relevant devices, operating systems and environments.
• Validate service integrations, data flows, error handling and third-party dependencies through API and contract testing.
• Investigate and communicate defects using reproducible evidence; use logs, results, metrics and production insights to diagnose failures and assess quality.
• Promote shift-left quality, testability, peer review and shared ownership within the Scrum Team.
• Contribute reusable frameworks, engineering standards and continuous improvement across the Quality Engineering community.
• Use AI-assisted engineering responsibly to improve test design, automation, analysis and productivity with appropriate human oversight.

Required Skills/Experience
The ideal candidate will have the following:

• Extensive experience in Quality Engineering, software testing or an equivalent role within Agile delivery.
• Hands-on experience testing mobile applications and backend APIs, and developing maintainable automated test suites using a modern programming language and suitable frameworks.
• Strong understanding of the software development lifecycle, testing principles, defect management and risk-based testing.
• Experience with source control, build tools and CI/CD pipelines.
• Preferred:
• Experience with native or cross-platform mobile automation tools, device or emulator testing, RESTful services, API automation, and service virtualisation or mocking.
• Exposure to performance, security, accessibility, visual or resilience testing, with experience diagnosing issues through logs, network traces, observability tools or analytics.
• Knowledge of cloud-based test environments, containerised delivery or distributed systems, and governed use of generative AI or intelligent automation.
• Understanding of regulated, financial services or other high-assurance environments.

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