June 5, 2026

Full Stack QA Engineer

Senior • Remote

Krakow, Poland

Andersen is hiring a Full Stack QA Engineer for a project supporting quality assurance and testing of digital web and mobile platforms to ensure reliability and performance. 

Our customer is an international technology-driven company developing digital products and online services that simplify important everyday decisions for users. The organization builds scalable customer-focused solutions, combining modern technologies, innovation, and user-centered design principles. The company emphasizes continuous product improvement, service quality, and long-term digital development. 

The project is focused on supporting quality assurance activities for digital platforms across automotive and property domains. It includes testing web and mobile solutions to ensure platform quality, reliability, and performance for upcoming product enhancements. 

Responsibilities: 

  • Actively participating in all Scrum ceremonies. 

  • Engaging in the validation of sites/apps at various stages, such as pre-release and post-release, under different platform/network conditions. 

  • Conducting testing using diverse strategies. 

  • Documenting and sharing discovered bugs with team. 

  • Gradually automating high-priority test cases for integration with the CI/CD pipeline for sustained efficiency. 

Must-haves:  

  • Experience in QA Automation for 4+ years. 

  • Experience in QA/testing of complex inventory management processes. 

  • Experience in mobile testing and end-to-end (E2E) testing. 

  • Strong method knowledge in test automation (JavaScript). 

  • Experience in applying agile methods in an Agile team. 

  • Dealing with common test and collaborative working tools of agile software development. 

  • High degree of initiative and a sense of responsibility. 

  • Level of English – from Intermediate+ and above. 

Reasons why this job would be interesting to you: 

  • Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. 

  • The opportunity to change the project and/or develop expertise in an interesting business domain. 

  • Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. 

  • Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. 

  • The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. 

  • Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. 

  • Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). 

  • Certification compensation (AWS, PMP, etc). 

  • Referral program. 

  • Private health insurance and compensation for sports activities. 

Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl

Join us! 

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Warsaw, Poland

1,700 - 3,300 USD

🏢 Summary: The offer is for a Full Stack QA Engineer to ensure quality of an AI-powered platform that enables businesses to build and deploy AI agents without technical expertise. The role combines testing of LLM-based features and agent workflows with classical UI, API, and integration QA. It includes designing automated tests and validating reliability of intelligent automation solutions in a modern engineering environment. 🗂️ Requirements: 3+ years of QA experience across UI, API, and integration testing, Understanding of LLM-based systems and prompt evaluation, Experience testing AI-driven features and agent workflows, Experience with test automation, English proficiency at Intermediate+ level 📃 Skills: QA, Testing, UI, API, Integration, LLM, Prompting, Automation, Python, AI 🏢 Description: Andersen is hiring a Full Stack QA Engineer for a project developing AI-powered platforms and ensuring quality across intelligent automation solutions. The customer is a technology-focused company specializing in AI-driven solutions and digital innovation for businesses across multiple industries. The organization develops intelligent platforms and automation tools designed to improve operational efficiency, streamline workflows, and support data-driven decision-making. The company operates in an international environment with a strong focus on scalable architecture, modern engineering practices, and the practical implementation of advanced AI technologies. The project is focused on developing a platform for creating AI agents without technical expertise. It enables businesses to deploy plug-and-play AI assistants that handle communication, reporting, analysis, and collaboration tasks across channels such as email, phone, etc. Responsibilities: Testing AI/agent-based product features, including LLM logic and agent workflows. Evaluating prompt quality, model responses, and overall output reliability. Performing classical QA: UI, API, and integration testing. Designing and maintaining automated tests for both AI-driven and traditional components. Collaborating closely with a small team, contributing beyond strict QA scope when needed. Must-haves: Experience in QA across UI, API, and integration layers for 3+ years. Understanding of LLM-based systems (prompting, response evaluation). Ability to test and validate agent workflows and AI-driven features. Experience with test automation (Python preferred, but other stacks acceptable). Level of English – from Intermediate+ and above. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. English courses. Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us! https://people.andersenlab.com/

Technology

Andersen

QA Automation Engineer (JavaScript)

Mid

Remote

Warsaw, Poland

1,700 - 2,700 USD

🏢 Summary: QA Automation Engineer (JavaScript) role focused on leading quality and automation for a scalable, subscription-based web product used by senior decision-makers. The position involves defining QA strategy, building robust automated testing, and validating complex asynchronous workflows and AI-generated content. Emphasis is placed on reliability, non-functional standards, and high-confidence releases. 🗂️ Requirements: 2+ years experience as QA Automation Engineer on modern web products, Proven test automation with Playwright, Cypress, Jest or similar tools, Experience testing REST APIs using Postman or automated API frameworks, Experience defining QA strategy and non-functional requirements, Strong data validation and test data management skills, Experience with asynchronous workflows or event-driven systems, Ability to collaborate closely with engineers and technical stakeholders, English level Intermediate+ or higher 📃 Skills: JavaScript, Playwright, Cypress, Jest, Postman, REST, API, Automation, LLM, AWS 🏢 Description: Andersen is hiring a QA Automation Engineer (JavaScript) for a project developing a scalable web product, ensuring automation, workflow validation, and reliability of complex processes. The customer is an international technology company focused on developing and delivering digital solutions for organizations across various industries. The company supports businesses in improving their digital capabilities, modernizing technology landscapes, and implementing modern tools and platforms. Its teams work on the design, development, and continuous improvement of digital products and services, helping organizations enhance operational efficiency and adapt to evolving technological environments. The project is focused on developing a premium, subscription-based web product for senior decision-makers, where accuracy and trust are critical. It involves building a scalable solution with strong emphasis on automation, non-functional standards, and validation of complex workflows, including asynchronous processing and AI-generated content. Responsibilities: Leading quality on a premium, subscription-based web product for a global client used by senior decision makers, where accuracy and trust are critical. Defining the QA strategy and setting non-functional standards to ensure product reliability and quality. Building automation that gives both the internal team and the client confidence to release. Embedding quality from the start rather than relying on manual testing. Working closely with engineers and the client’s technical team to align on acceptance criteria and define what “done” means. Ensuring strong automated regression coverage across key user journeys such as authentication, secure data access, and content delivery. Designing validation layers for a product that includes async processing and LLM-generated content, checking structure, numeric accuracy, and edge cases before anything reaches users. Supporting performance readiness, including preparation for peak traffic during annual release cycles. Must-haves: Experience as a QA Automation Engineer on modern web products for 2+ years. Proven automation using tools such as Playwright, Cypress, Jest, or similar. Experience testing REST APIs using Postman or automated API frameworks. Experience defining QA strategy and non-functional requirements. Strong data validation and test data management skills. Experience with async workflows or event-driven systems. Ability to work closely with engineers and clients to improve quality and release confidence. Level of English – from Intermediate+ and above. Nice to haves: Experience testing systems that integrate with LLM APIs. Familiarity with schema validation or contract testing. Performance testing experience. AWS exposure. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.; The opportunity to change the project and/or develop expertise in an interesting business domain; Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant; Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee; The opportunity to earn additional up to 1,000 USD per month by participating in the company's activities; Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated; Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies); Certification compensation (AWS, PMP, etc); Referral program; English courses; Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl Join us!

Technology

Andersen

QA Engineer

Mid

Remote

🏢 Summary: QA Engineer role focused on ensuring quality, reliability, and performance of an integration layer connecting core systems with external platforms in a global insurance environment. The position involves comprehensive API, integration, and backend testing, along with end-to-end quality ownership across web and backend systems. The role requires close collaboration with development teams to design and execute robust test strategies. 🗂️ Requirements: 3+ years of experience in software testing, Strong experience in API testing (functional and non-functional), Ability to design and execute API and integration test strategies, Experience with database validations and SQL, Hands-on testing of modern web applications, Understanding of enterprise integration patterns, Knowledge of backend systems and system architecture, Experience testing frontend UI and backend services, Experience with third-party API integrations and data synchronization 📃 Skills: API, SQL, React, PHP, Go, Testing, Integration, Databases, Backend, Frontend, Performance, eCommerce, Web 🏢 Description: Andersen is hiring a QA Engineer for a global insurance leader. The project focuses on developing and maintaining an integration layer for seamless communication between core systems and external platforms. Our customer is a global leader in the insurance and assistance sector, offering a wide range of international solutions across various domains including health, life, travel, and automotive services. The organization is committed to delivering cutting-edge, agile IT solutions while driving digital transformation and sustainability across its operations. The project is focused on developing and maintaining an integration layer that enables seamless communication and data exchange between core systems and multiple external platforms, ensuring reliable and efficient support of business processes. Responsibilities: Ensuring backend systems reliability and performance through rigorous API testing, including both functional and non-functional aspects. Owning and driving the end-to-end user quality experience across web and backend platforms. Creating, maintaining and executing comprehensive test plans and test cases across multiple browsers and platforms. Actively supporting software development and IT teams by thoroughly testing new features and providing actionable feedback. Collaborating in the design of test strategies, including detailed API and integration testing approaches. Analyzing and troubleshooting problems, documenting findings and working with relevant teams to ensure timely resolutions. Providing ongoing suggestions for software quality improvements and test process optimization of API. Must-haves: Proven experience in software testing roles for 3+ years. Strong ability to create API requests, review and suggest improvements to API documentation and design comprehensive test scenarios that cover functional, non-functional, performance and reliability aspects. Solid experience designing and executing test strategies for APIs, integrations and database level validations. Hands-on testing experience with modern web applications and eCommerce platforms built using frameworks like React, PHP, Go and similar technologies. Solid understanding of enterprise integration patterns and workflows. Strong understanding of backend systems, databases, SQL and system architecture fundamentals. Ability to perform test planning, design and execution for both frontend UI and backend services. Proficiency in handling complex integration scenarios involving third party APIs, internal tools and data synchronization. Ability to define test strategies and collaborate across teams to validate dependencies, data flows and performance across all touchpoints. Level of English – from Upper-Intermediate and above. Nice-to-haves: Hands-on testing experience with modern web applications and eCommerce platforms built using frameworks like React, PHP, GO and similar technologies. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. Private health insurance and compensation for sports activities. Join us!