Quality Engineer – Mobile Applications

Square One Resources; Burgess Hill; On-site; GBP 43,000 - 57,000; Full time

Job summary

Square One Resources is seeking a Quality Engineer for Mobile Applications in Burgess Hill. This initial 6-month contract involves embedding in a cross-functional Scrum team to ensure quality across the delivery lifecycle for a travel app within a financial client environment.

You will design and implement automated tests for mobile and backend APIs, with risk-based testing, CI/CD integration, and strong collaboration with engineers and product owners.

Qualifications

• Experience in Quality Engineering or Software Testing within Agile delivery.
• Hands-on testing of mobile apps and backend APIs; develop automated test suites.
• Strong understanding of SDLC, testing principles, defect management, risk-based testing.
• Experience with source control, build tools and CI/CD pipelines.
• Excellent communication with technical and non-technical stakeholders.
• Accountability for reliability, usability, accessibility and overall product quality.

Responsibilities

• 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 apps, APIs and end-to-end customer journeys within CI/CD pipelines.
• Perform exploratory, integration, regression, compatibility and usability testing across devices, OS and environments.
• Validate service integrations, data flows, error handling and third-party dependencies through API and contract testing.
• Investigate and communicate defects with reproducible evidence, using logs, results, metrics and production insights to diagnose failures.
• 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.

Skills

Quality Engineering

Agile testing

Mobile testing

API testing

Automation testing

CI/CD

Source control

Build tools

Communication

Problem solving

Quality ownership

Tools

CI/CD pipelines

Source control

Job description

Job Title: Quality Engineer – Mobile Applications

Location: Burgess Hill 3x a week

Salary/Rate: Up to £270 Daily

Start Date: In the next two weeks

Job Type: Initial 6 months contract

Company Introduction:

We have an exciting opportunity now available with one of our enterprise financial clients! They are currently looking for a skilled Quality Engineer to join their team for an initial six-month contract.

Job Responsibilities/Objectives:

The successful candidate will be an embedded member of a cross-functional Scrum team, preventing defects through an engineering-led, risk-based approach across the delivery lifecycle. The client is a global financial services organisation, and the team builds a customer-facing travel app.

Key responsibilities:

• 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 with reproducible evidence, using logs, results, metrics and production insights to diagnose failures.
• 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.

Must haves:

• Experience: Experience in Quality Engineering or Software Testing within Agile delivery.
• Mobile, API and automation: hands-on experience testing mobile applications and backend APIs, and developing maintainable automated test suites using a modern programming language and suitable frameworks.
• Testing fundamentals: a strong understanding of the software development lifecycle, testing principles, defect management and risk-based testing.
• Engineering tooling: experience with source control, build tools and CI/CD pipelines.
• Communication: strong analytical, problem-solving and communication skills with both technical and non-technical stakeholders.
• Quality ownership: previous accountability for reliability, usability, accessibility and overall product quality