Back-End QA Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Back-End QA Engineer based in Switzerland.

This role focuses on ensuring the reliability, accuracy, and performance of a high-traffic backend platform, with a strong emphasis on API, data, and transaction-level validation. You will work across manual and automated testing, combining deep backend verification with Playwright-based automation to safeguard production quality. The position involves close collaboration with backend engineers and product teams to understand requirements, design test strategies, and detect issues early in the development lifecycle. You will validate complex transactional flows, ensuring consistency across APIs, databases, and services. The environment is fast-paced, highly technical, and quality-driven, where attention to detail directly impacts system stability and user trust. This is a fully remote role where you will play a key part in shaping end-to-end quality standards across a scalable digital platform.

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Back-End QA Engineer based in Switzerland.

This role focuses on ensuring the reliability, accuracy, and performance of a high-traffic backend platform, with a strong emphasis on API, data, and transaction-level validation. You will work across manual and automated testing, combining deep backend verification with Playwright-based automation to safeguard production quality. The position involves close collaboration with backend engineers and product teams to understand requirements, design test strategies, and detect issues early in the development lifecycle. You will validate complex transactional flows, ensuring consistency across APIs, databases, and services. The environment is fast-paced, highly technical, and quality-driven, where attention to detail directly impacts system stability and user trust. This is a fully remote role where you will play a key part in shaping end-to-end quality standards across a scalable digital platform.

Accountabilities:

• Design and execute comprehensive test cases based on business requirements, functional specifications, and user stories to ensure full backend coverage.
• Perform end-to-end testing of transactional workflows, validating processes from initiation through authorization, settlement, and reconciliation.
• Conduct API testing using tools such as Postman to verify request/response integrity and system behavior across services.
• Validate data accuracy and consistency using SQL queries across relational databases to ensure backend correctness.
• Develop and maintain automated test suites using Playwright to support regression and continuous testing efforts.
• Log, track, and manage defects in Jira with clear reproduction steps, logs, and evidence to support rapid resolution.
• Run regression and exploratory testing after deployments, proactively identifying edge cases, risks, and performance issues.

Requirements:

• 4+ years of experience in manual QA/testing roles, with strong focus on backend, API, and web application testing.
• Hands-on experience with Playwright for automated test creation and maintenance.
• Strong proficiency in API testing tools such as Postman and test management tools like TestRail or Zephyr.
• Solid SQL knowledge for backend data validation and relational database testing.
• Strong understanding of the Software Testing Life Cycle (STLC) and Agile/Scrum environments.
• Experience working in iGaming, Fintech, payment, banking, or other transaction-heavy systems is highly valued.
• Strong analytical mindset, attention to detail, and ability to identify edge cases in complex systems.
• Nice to have: experience supporting UAT, basic automation/scripting knowledge, or familiarity with PHP-based backend systems.

Benefits:

• Fully remote position within Europe with flexible working arrangements.
• Opportunity to work on a high-scale, transaction-heavy backend platform.
• Strong technical environment focused on quality, automation, and continuous improvement.
• Collaborative culture working closely with backend engineers and product teams.
• Exposure to modern QA automation tools and frameworks such as Playwright.
• Career growth opportunities in a fast-moving, product-driven engineering organization.
• Direct impact on production stability and end-user experience.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1