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July 15, 2026
QA Backend Engineer (m/f/n)
Senior • Hybrid
85 - 85 PLN/hr
Warsaw, Poland
For one of our clients, we are looking for a QA Backend Engineer (m/f/n).
Technical Skills
- At least 3+ years of experience as software tester
- Highly motivated team player with strong communication skills
- Working experience in planning, analysis, execution and evaluation of tests
- Working experience and knowledge of common test design techniques
- Strong test analytics skills
- Understanding of mobile and web-based applications
- Strong backend-focused testing experience
- Experience testing microservice-based architectures across multiple services
- Understanding of asynchronous and event-driven systems
- Experience with AWS SNS/SQS based integrations and messaging flows
- Understanding of software development lifecycle
- Knowledge of defect management tools like: Jira, YouTrack etc.
- Knowledge of test management tools like: TestRail, Xray etc.
- Experience of API testing tools: Postman, Swagger etc.
- Experience with SQL databases
- Ability to analyze logs, trace requests and validate data flow across services
- Experience in Agile Testing in projects
- Strong cross-team collaboration and communication skills while working with multiple development teams
- Seniority Mid/Senior
- English B2/C1
Nice to Have
- Experience in automation test of mobile and web applications is an advantage
- Knowledge of REST API standards, HTTP protocols and API contract validation is an advantage
- Knowledge and experience in card payments/card management subject matter is an advantage
- ISTQB Foundation Level and/or ISTQB Advanced Level Test Analyst certification is an advantage
Scope of Responsibilities
- Plan and execute integration, system and usability testing
- Taking part of E2E and UAT testing
- Validate complex backend flows across multiple microservices and integrations
- Work with the developers to understand the critical paths and ensure product stability
- Build better cooperation with other Dev Teams
- Collaborate closely with cross-functional and cross-team stakeholders to improve overall product quality
Offer
- Rate: 85 PLN/H net + VAT B2B contract via SHIMI
- Location: Warsaw - hybrid work
- Availability: ASAP
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Poznan, Poland
80 - 110 PLN
🏢 Summary: QA Engineer role focused on ecommerce solutions, combining manual and automated testing within agile scrum teams. The position involves testing web applications, APIs, and backend systems, building automation frameworks with Playwright and JavaScript/TypeScript, and integrating tests into CI/CD pipelines. Candidates should have strong communication skills, ecommerce platform experience, and the ability to collaborate closely with developers and clients. 🗂️ Requirements: Experience in QA or test engineering, Experience testing ecommerce or transactional platforms, Manual and automated testing expertise, Experience with Playwright or similar automation frameworks, JavaScript or TypeScript knowledge, Experience with API testing, Database querying and log analysis skills, Experience with CI/CD tools and practices, Experience working in agile scrum environments, Strong written and verbal communication skills, Availability to collaborate with UK project team until 18:00 PL 📃 Skills: QA, Playwright, JavaScript, TypeScript, Postman, CI/CD, API, SQL, Agile, Scrum, GitHub, Copilot, Cursor, Windsurf, WCAG, Cloud, Docker 🏢 Description: QA Engineer needed to join our team, working primarily on ecommerce solutions. You'll be hands-on with both manual and automated testing, embedded within agile scrum teams, and collaborating closely with developers throughout the delivery lifecycle. The opportunity You're someone who's curious, pragmatic, and comfortable working in fast-moving environments. You know when to script and when to explore. You're not afraid of APIs, logs, or digging into the backend to understand what's really happening. But beyond the technical—you're a strong communicator. You can explain issues clearly, present testing outcomes with confidence, and hold your own in client conversations. You're always looking for better ways to do things, whether that's improving a process, trying a new tool, or bringing fresh thinking to how we approach quality. You're a continuous learner who takes ownership of your own growth. What you’ll get to do Design, document, and execute test cases across web applications, APIs, and backend systems Perform system testing, system integration testing, and exploratory testing Build and maintain test automation using Playwright (or similar) with JavaScript/TypeScript Integrate automated tests into CI/CD pipelines and contribute to their reliability Work in a shift-left approach—participating in refinements, planning, and requirements analysis to catch issues early Identify, document, and track defects with clear reproduction steps, collaborating with developers on root cause analysis Query and analyse data from various sources (databases, logs, monitoring tools) to investigate issues and validate behaviour Contribute to process improvements, and ways of working within your scrum team Communicate testing progress, risks, and quality metrics to both internal teams and clients Participate in client-facing meetings such as demos, triage calls, and release discussions Proactively identify opportunities to improve quality, tooling, or processes—and act on them What you should have Solid experience in QA or test engineering Experience testing ecommerce or transactional platforms —you understand customer journeys, checkout flows, payments, and integrations A strong balance of manual testing expertise and hands-on automation skills Hands-on experience with AI-assisted development tools (e.g., GitHub Copilot, Cursor, Windsurf) to accelerate your work Comfortable with API testing tools (e.g., Postman) and working with backend data—querying databases, reading logs, validating data flows Experience working within agile scrum environments—sprints, standups, refinements, and retros Familiarity with CI/CD tooling and practices Excellent communication skills —written and verbal—with the confidence to engage directly with clients and stakeholders A genuine continuous learning mindset —you stay curious, seek feedback, and actively develop your skills An innovative streak —you look for smarter ways to work and aren't afraid to challenge the status quo Analytical mindset with attention to detail and strong problem-solving instincts Adaptable and open to evolving how you work, including adopting modern tools and approaches Desirable Attributes: Experience with performance or security testing Familiarity with cloud platforms or containerised environments Exposure to accessibility testing standards (WCAG) You will collaborate with our UK project team, so we’ll need you to be available until 18:00 PL
Technology
Team Up
Test Engineer 🚀 (m/k)
Mid
On-site
Wroclaw, Poland
🏢 Summary: QA Test Engineer role focused on ensuring quality of a cloud-based web platform for the financial industry. The position involves designing and executing tests, contributing to testing strategy, and collaborating closely with development teams in an agile environment. It combines hands-on testing with active impact on product reliability and new feature delivery. 🗂️ Requirements: 2+ years of experience in Software Quality Assurance and Testing, Experience in designing, implementing, and executing test cases for web applications, Solid understanding of formal and exploratory testing techniques, Ability to understand product domain and platform architecture, Experience delivering high-quality products across multiple release cycles, Fluent written and spoken English 📃 Skills: QA, Testing, Web, Agile, Exploratory, TestCases, Architecture 🏢 Description: We are looking for an experienced QA Test Engineer to join our Client's team working on a cloud-based platform for the financial industry . If you’re passionate about delivering high-quality products, have a sharp eye for detail, and enjoy working in an agile, fast-paced environment. Your role: As a QA Test Engineer, you will work alongside a talented team of engineers on a web platform for investor relation s. You’ll play a key role in ensuring product quality and reliability, contributing to testing strategy, execution, and delivery of new features. This role combines hands-on testing with close collaboration with development teams. Offer: A real opportunity to make an impact - we truly value team members' ideas and encourage you to act on them Attractive salary and a chance to work with modern technologies A modern office in the center of Wrocław Requirements: Around 2+ years of experience in Software Quality Assurance and Testing Ability to quickly gain a deep understanding of the product, business domain, and platform architecture to make informed decisions on product quality Experience in designing, implementing, and executing test cases for web applications Solid understanding of both formal and exploratory testing techniques Proven track record of delivering high-quality products across multiple release cycles Strong communication and collaboration skills, ability to navigate ambiguity and influence team decisions A proactive attitude, attention to detail , and focus on results Fluent written and spoken English Nice to have: Experience with test automation tools and frameworks Background in testing web and mobile applications Familiarity with Microsoft Azure or AWS environments