Senior QA Engineer

Who You Are

• You are a senior QA professional who takes ownership of quality and is comfortable working independently.
• You are analytical and detail-oriented, with the ability to break complex requirements into clear and effective test scenarios.
• You are technically curious and enjoy investigating issues across applications, APIs, databases, logs, and cloud environments.
• You communicate clearly and collaborate effectively with Development, Product, and QA teams.
• You enjoy mentoring others and sharing knowledge to improve team capability.
• You are pragmatic, adaptable, and focused on delivering high-quality outcomes in an Agile environment.
• What You’ll Do

As a Senior QA Engineer, you will take ownership of Quality Assurance within one of our dedicated implementation teams.

You will work closely with Development, Product, and QA teams to ensure comprehensive quality coverage throughout the software delivery lifecycle.

This is a hands‑on role combining manual testing, automation, API testing, technical investigation, and release support.

You will also provide technical guidance and mentorship to other QA Engineers while helping continuously improve our testing practices and product quality.

• How You Will Succeed
• Own QA execution for your implementation team, ensuring comprehensive testing and high‑quality product releases.
• Design, develop, maintain, and improve UI automation using

C#, Selenium, and x Unit .

• Perform API testing using
• Postman and Newman

, ensuring reliable integration and service-level coverage.

• Conduct manual, functional, regression, integration, exploratory, and end‑to‑end testing across web applications, microservices, databases, and Azure/Microsoft Function Apps.
• Participate in sprint planning, refinement, and other Agile ceremonies to identify risks and improve testability early in the development lifecycle.
• Investigate complex defects and production issues using

SQL, application logs, browser developer tools, and other diagnostic techniques .

• Create and maintain test cases, test scenarios, regression suites, and QA documentation in

Azure Dev Ops .

• Support deployment and release activities, including pre-release regression and post-release validation.
• Provide technical guidance and mentorship to QA Engineers within the team.
• Identify and implement opportunities to improve QA processes, automation coverage, testing efficiency, and overall product quality.
• What We’re Looking For

7+ years of experience in software testing/QA, with strong experience working in Agile development environments.

• Strong hands‑on experience in test automation

, including designing and maintaining automation frameworks.

• Advanced or strong working knowledge of

, with experience writing automated tests.

• Hands‑on experience with

Selenium and x Unit or similar automation/testing frameworks.

• Experience with
• API testing

, preferably using Postman and Newman.

• Strong working knowledge of

SQL/MSSQL for data validation and defect investigation.

• Experience with
• Azure Dev Ops

, including Boards, test management, defect tracking, and QA documentation.

• Good understanding of

Git and version‑control practices.

• Experience working with

Microsoft Azure or other cloud technologies.

• Understanding of

DOM structure, browser developer tools, and web application testing .

• Experience with scripting, preferably

Power Shell .

• Ability to read and debug application logs and investigate complex technical issues.
• Strong knowledge of functional, regression, integration, system, exploratory, and end‑to‑end testing.
• Understanding of black‑box and white‑box testing techniques

, web testing heuristics, and test case design.

• Understanding of
• Agile methodologies and exposure to

TDD/shift‑left testing practices .

• Strong written and spoken

English communication skills .

• Ability to work

UK business hours .

• Experience in e-commerce, Saa S, marketing technology, or high‑volume data platforms is highly desirable.
• Degree, diploma, apprenticeship, or equivalent professional experience in

Computer Science, Software Engineering, or a related field .

• Experience with

Visio, Lucidchart, or similar workflow/diagramming tools is an advantage.

Benefits and Company Perks

• 24 PTOs in a calendar year
• Company-paid Health Insurance
• Company-paid Short Term and Long Term Disability coverage
• Company-paid Accidental Insurance
• Company-paid Learning & Development (L&D) programmes
• Flexible work environment – work from home, office, or hybrid
• Collaborative and innovation-driven work culture
• Opportunity to work on cutting‑edge AI‑powered ecommerce technology

Athos Commerce is an equal‑opportunity employer and proud to foster a workplace free from discrimination and harassment.

We strongly believe that diverse backgrounds, experiences, and perspectives are essential in cultivating an inclusive culture and building an innovative, successful organization.

All qualified applicants are considered for employment, without regard to age, race, color, religion, sex, national origin, disability, veteran status, sexual orientation, gender identity, or any other protected status.

If you require accommodation during the application process, please don’t hesitate to contact us.

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