Senior Quality Assurance Engineer

Senior Quality Assurance Engineer

emerchantpay · Sofia, Bulgaria (Remote) · Full-time · Posted 2026-06-04

Workplace: remote

Department: IT/QA

Description

emerchantpay is a leading global payment service provider and acquirer for online, mobile, in-store and over the phone payments. Our global payments solution is available through a simple integration, offering a diverse range of features, including global acquiring, global and local payment methods, advanced fraud management and performance optimisation. We empower businesses to design seamless and engaging payment experiences for their consumers.

We are looking for an experienced, full-time Senior Quality Assurance Engineer to join our IT team.

The ideal candidate has strong hands-on experience in software quality assurance, test automation, API testing, and testing of modern cloud-native systems. This role is suitable for someone who can work independently across complex systems, contribute to QA strategy, improve automation coverage, and actively use modern AI tools to increase testing efficiency and quality.

Responsibilities

• Design, create, maintain, and continuously improve test cases for different projects and product areas.
• Use AI-assisted tools to generate, review, optimize, and maintain test cases and test scenarios.
• Execute different types of black-box testing, including functional, regression, integration, exploratory, and non-functional testing.
• Perform API testing and contribute to API test automation across internal and external services.
• Monitor, track, analyze, and report defects identified during test execution.
• Work closely with developers, product owners, business analysts, and other stakeholders to understand requirements and define appropriate test coverage.
• Keep track of development changes and carry out relevant testing when needed.
• Automate test cases using various tools, frameworks, and programming/scripting languages.
• Use AI tools, coding agents, and MCP-enabled workflows to improve QA productivity, including test generation, automation support, defect analysis, documentation, and integrations.
• Contribute to the testing strategy for cloud-native systems, microservices, integrations, and distributed architectures.
• Document and assure the quality of software applications across all architectural layers.
• Support continuous improvement of QA processes, tools, standards, and best practices.

Requirements

• 7+ years of experience in Software Quality Assurance.
• 3+ years of experience in automated testing — developer profiles welcome!
• Knowledge of Ruby, Rails, Python, JavaScript/TypeScript, or other programming languages used for test automation.
• Strong experience with test case design, test execution, defect reporting, regression testing, and release validation.
• Strong hands-on experience with test automation tools and frameworks, such as Playwright, Selenium, Cypress, or similar.
• Experience with API testing and API automation using tools or frameworks such as Postman, REST Assured, Playwright API testing, or similar.
• Good understanding of the SDLC, Agile delivery practices, CI/CD processes, and modern software engineering workflows.
• Comprehensive knowledge of web technologies, such as HTML, CSS, JavaScript, browser behavior, HTTP/HTTPS, REST APIs, and related protocols.
• Strong knowledge of AWS, including practical experience with cloud-native systems and complex microservices testing.
• Practical experience using AI tools in QA activities, including AI-assisted test case creation, test automation, test data generation, defect investigation, documentation, and coding-agent-assisted workflows.
• Experience using MCP-enabled tools and integrations, such as Playwright MCP, Atlassian MCP, or similar AI-assisted development and QA workflows.
• Ability to understand complex systems, identify risk areas, and define effective testing approaches.
• Highly proficient in spoken and written English.
• Enthusiastic, hard-working, motivated individual with excellent communication skills.

Considered an Advantage

• Experience with Jenkins, GitHub Actions, GitLab CI, or other CI/CD systems.
• Experience with Linux environments.
• Experience with mobile testing.
• Experience testing payment systems, fintech platforms, or other high-availability transactional systems.
• ISTQB Foundation or higher-level certification.
• Experience contributing to QA strategy, automation frameworks, or test infrastructure design.

Benefits

• Fast-growing payment company;
• Excellent working conditions, casual atmosphere, and state-of-the-art hardware;
• Modern, challenging, constantly growing business;
• Professional development – books, trainings, certifications, etc.;
• Team buildings and fun activities;
• 25 days paid holiday, 1 day for every 2 years with us;
• Fully distributed and remote.

If you are interested, please apply with your CV in English only. Only short-listed candidates will be contacted.

Personal data of the applicants will be processed in strict confidentiality by emerchantpay ltd. UIC 175117520 solely for the purposes of selection and recruitment and will not be transferred to other data controllers unless required by law. Applicants provide their personal data on a voluntary basis and will have the right to access and correct their personal data within a reasonable time upon filing a written request.

emerchantpay is an equal opportunity employer. We appreciate people with different backgrounds and mindsets, and we honor diversity and inclusion.

Apply

Apply at emerchantpay

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