Senior QA Engineer (Equity Only)

JR United Kingdom; Cardiff; On-site; GBP 55,000 - 80,000; Full time

Job summary

A leading startup in Cardiff is seeking a Senior QA Engineer to spearhead quality assurance for their mobile application. This pivotal role involves developing comprehensive testing strategies, mentoring QA teams, and implementing automated testing processes. Candidates should possess strong technical skills and a passion for ensuring high-quality standards in a pre-seed venture that offers equity for dedicated long-term commitment.

Qualifications

• 5+ years in QA/testing for mobile and web applications.
• Proven experience with React Native and .NET Core testing.
• Experience with automated testing tools required.

Responsibilities

• Lead quality assurance efforts for a mobile application.
• Develop and implement test plans for frontend and backend.
• Conduct performance and security testing.

Skills

Automated Testing

Quality Assurance

Problem Solving

Attention to Detail

Leadership

Education

Bachelor’s degree in Computer Science

Tools

AWS

React Native

.NET Core

Job description

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Senior QA Engineer (Equity Only), cardiff

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Client:

Location:

cardiff, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

10.06.2025

Expiry Date:

25.07.2025

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Job Description:

We are seeking an experienced Senior QA Engineer to lead our quality assurance efforts. In this role, you will be responsible for ensuring the highest quality standards for our mobile application, focusing on both frontend and backend components.

Key Responsibilities:

Test Planning and Execution:

Develop and implement comprehensive test plans to ensure the quality of React Native frontend and .NET Core 7 backend.

Execute manual and automated tests, and analyze results to report on system functionality and quality.

Automated Testing:

Design, develop, and maintain automated test scripts and frameworks.

Integrate automated testing into the CI/CD pipeline on AWS.

Quality Assurance Leadership:

Lead and mentor a team of QA analysts and testers.

Collaborate with cross-functional teams (development, product management, etc.) to understand requirements and provide QA insights.

Bug Tracking and Reporting:

Efficiently identify, document, and track bugs.

Work closely with developers to ensure timely bug resolution.

Performance and Security Testing:

Conduct performance testing to ensure application scalability and reliability.

Oversee security testing to safeguard user data and comply with industry standards.

Continuously update testing processes and tools to improve efficiency and effectiveness.

Stay up-to-date with the latest QA methodologies and technologies.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum of 5 years of experience in QA/testing, with a focus on mobile and web applications.
• Proven experience with React Native and .NET Core testing.
• Familiarity with AWS and cloud-based deployment.
• Experience with automated testing tools and frameworks.
• Strong knowledge of software QA methodologies, tools, and processes.
• Experience in writing clear, concise, and comprehensive test plans and test cases.
• Excellent problem-solving skills and attention to detail.
• Strong communication and leadership abilities.

Compensation:

This is a pre-seed, equity-only role, offering 0.5% equity as part of the founding team. There is currently no salary available until we secure Seed funding, at which point competitive compensation will be introduced. This role is ideal for someone seeking long-term ownership and impact in a purpose-driven, early-stage venture