April 25, 2026

Full Stack QA Engineer (C#)

Senior • Remote

2,200 - 2,800 EUR

Krakow, Poland

Andersen is hiring a Full Stack QA Engineer (C#) in the EU to test and improve a CRM/CMS system for player engagement. The role includes both manual and automated testing. 

The customer is a global company in the digital entertainment sector, developing modular platforms and advanced solutions for gaming, analytics, and user engagement. With a strong presence in regulated markets across Europe and Latin America, the company focuses on innovation, scalability, and seamless integration, consistently delivering high-performance digital products tailored to the needs of its partners. 

The project is focused on testing and ensuring the quality of a CRM module designed to manage customer relationships and improve engagement. It involves building a testing framework, defining and prioritizing test cases, and performing comprehensive manual testing to support reliable system performance. 

Responsibilities: 

  • Analyzing product requirements and business logic to identify testing needs and potential risks. 

  • Designing, documenting, and maintaining detailed and traceable test cases and checklists.  

  • Performing manual testing (functional, regression, integration, and exploratory) to validate new and existing features.  

  • Prioritizing test scenarios based on risk, impact, and business value; decide which should be automated.  

  • Developing, maintaining, and optimizing automated tests using Playwright (UI) and RestSharp / Rest Assured (API) in C#. 

  • Executing and monitoring test runs, reporting defects with clear reproduction steps, and collaborating on root-cause analysis.  

  • Integrating automated test suites into CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI) and ensuring their stability.  

  • Collaborating closely with developers, DevOps, and business analysts to ensure quality is built into every stage of delivery.  

  • Contributing test strategies, tooling, and process improvements to increase efficiency and reliability. 

Must haves:  

  • Experience in software testing for 4+ years, including 1–2 years as a QA Automation Engineer (C#). 

  • Solid understanding of software testing methodologies, defective lifecycle, and QA documentation standards. 

  • Strong programming skills in C#, with solid knowledge of OOP, design patterns, and data structures. 

  • Proven experience in framework development and maintenance from scratch. 

  • Hands-on experience with UI automation (Playwright) and API testing (RestSharp). 

  • Experience designing and executing manual regression, smoke, and exploratory test suites. 

  • Practical knowledge of CI/CD tools (Jenkins) and version control (Git). 

  • Understanding microservices and event-driven architecture. 

  • Familiar with Agile / Scrum practices and cross-functional team collaboration. 

  • Familiarity with BDD frameworks (SpecFlow, Cucumber or similar). 

  • Level of English – from Intermediate+ and above  

Nice-to-haves:  

  • Experience with cloud environments (AWS, Azure, GCP). 

  • Exposure performance, integration, or load testing. 

  • SDET or software development background. 

  • ISTQB certification or similar QA credentials. 

  • Background in FinTech or iGaming projects. 

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
https://andersenlab.com/privacy-policy/pl

Join us!   

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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 Intermediate+ and above. Nice-to-haves: Experience in QA automation. Familiarity with API automation testing/scripting. 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/pl Join us! https://people.andersenlab.com/

Technology

Andersen

QA Automation Engineer (JavaScript)

Mid

Hybrid

Warsaw, Poland

🏢 Summary: QA Automation Engineer (JavaScript) role focused on modernizing a price comparison platform, ensuring quality, performance, and reliability. The position involves building and maintaining automated tests, performing API and manual testing, and integrating tests into CI/CD pipelines. It offers flexible work options and professional growth within a large-scale digital product environment. 🗂️ Requirements: 1+ years experience in QA automation and manual testing, Proficiency in JavaScript/TypeScript, Experience building and maintaining automated test frameworks, Hands-on API testing (REST) with Postman, Experience integrating automated tests into CI/CD pipelines, Understanding of test design and QA best practices, Experience with log analysis and troubleshooting, Upper-Intermediate English or higher 📃 Skills: JavaScript, TypeScript, Playwright, REST, Postman, Jenkins, CI/CD, Elastic, Salesforce 🏢 Description: Andersen is hiring a QA Automation Engineer (JavaScript) in the EU for a project modernizing a digital platform and ensuring quality, performance, and reliability. The customer is a large international organization that develops and operates digital products and platforms serving a broad user base. The company focuses on delivering reliable, scalable, and user-centric solutions while continuously investing in technology, process optimization, and product innovation. Its business relies on data-driven decision-making, automation, and the integration of modern digital capabilities to support growth and enhance customer experiences. The project is focused on modernizing a price comparison platform that collects, aggregates, and presents utility service rates from multiple providers. It includes enhancing platform performance, scalability, and user experience to help customers compare offers and make informed decisions. Responsibilities: Designing, developing, and maintaining automated test scripts using Playwright and TypeScript/JavaScript. Executing and maintaining manual and automated test cases to ensure product quality. Performing API testing (REST) using Postman and validating backend integrations. Collaborating closely with developers, Product Owners, and QA team members to ensure requirements are well understood and tested. Integrating automated tests into CI/CD pipelines to support continuous delivery. Analyzing test results, identifying defects, and providing detailed bug reports. Conducting log analysis and troubleshooting to support defect investigation. Creating and maintaining test documentation, including test cases, test plans, and reports. Ensuring high standards of test coverage, reliability, and maintainability. Participating in Agile ceremonies and contributing to continuous improvement of QA processes. Supporting quality assurance efforts across the full software development lifecycle. Must-haves: Experienced QA Automation Engineer with hands-on experience in test automation and strong background in manual testing for 1+ years. Strong proficiency in JavaScript/TypeScript, with practical experience building and maintaining automated test frameworks. Solid experience in API testing (REST) using tools such as Postman. Good understanding of test design, test strategies, and QA best practices. Familiar with CI/CD pipelines (e.g., Jenkins) and integrating automated tests into delivery workflows. Experience or exposure to log analysis and troubleshooting using tools like Elastic Stack. Strong analytical mindset with attention to detail and problem-solving skills. Effective communicator capable of creating clear test documentation and reports, and a reliable team player who works comfortably both independently and remotely while collaborating with cross-functional teams. Level of English – from Upper-Intermediate and above. Nice to haves: Jenkins (CI/CD pipeline experience). Salesforce (testing knowledge). Elastic Stack (logs trouble shooting knowledge). 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!

Technology

Andersen

QA Engineer

Mid

Remote

🏢 Summary: The offer is for a QA Engineer responsible for ensuring high software quality across global projects through comprehensive testing activities. The role involves backend and frontend testing, API and database validation, and participation in CI/CD-driven development processes within Scrum teams. 🗂️ Requirements: 2+ years of experience as a QA Engineer, Experience in backend and frontend testing, Experience with SQL databases and writing SQL queries, Knowledge of REST API and Postman, Understanding of CI/CD principles, Experience with GitLab, Experience with Jira and Confluence, Experience in integration testing, Knowledge of SDLC and testing methodologies, Experience working in a Scrum team, English level Upper-Intermediate or higher, German level Intermediate+ or higher 📃 Skills: SQL, REST, Postman, GitLab, Jira, Confluence, CI/CD, Scrum, SDLC, Testing, Integration 🏢 Description: Andersen is hiring a QA Engineer to ensure high software quality across global projects, contributing to reliable digital solutions for clients in diverse industries. Andersen is a pre-IPO software development company that provides a full cycle of services, following project management standards and best practices. For over 19 years, we have been helping enterprises and middle-sized firms transform their businesses by creating effective digital solutions using innovative technologies. Immerse yourself in a global landscape as we collaborate with enterprises spanning North America, Western Europe, Israel, Australia, and the UAE. Our diverse expertise extends across FinTech, Healthcare, Retail, Telecom, Media & Entertainment, Logistics, Travel & Hospitality, eCommerce, and more. Responsibilities: Documentation testing. Creating and executing Test Suites and Test Cases. Identifying and documenting bugs and product issues. Verifying product functionality across different platforms, devices, and browsers. Working with Postman and databases. Performing integration testing. Must-haves: Experience as a QA Engineer for 2+ years. Experience in back-end and front-end testing. Experience working with SQL databases and writing SQL queries. Knowledge of REST API (Postman). Understanding of CI/CD principles Skills in using GitLab version control systems. Skills in working with Jira and Confluence. Experience in setting up and improving testing processes on a project. Knowledge of the software development lifecycle and testing methodologies. Experience working in a Scrum team. Strong analytical and problem-solving skills. Excellent communication and collaboration skills. Level of English – from Upper-Intermediate and above. Level of German – 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 EUR 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. Compensation for sports activities. Mobility benefits (e.g., Deutschlandticket, JobRad program, public transportation subsidies). Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us!