Performance Tester

7 dni temu

Wrocław, Województwo dolnośląskie, Polska Spyrosoft Pełny etat 80 000 zł - 120 000 zł rocznie
Project Description 

Creating of user-friendly interface (HMI) tailored for a kitchen appliance, ensuring seamless interaction between users and the device's functionalities. The Technologies used: Qt, a cross-platform application framework, serves as the backbone for constructing the graphical elements of the interface, offering a wide array of tools and libraries for efficient UI design; QML - a declarative language integrated within the Qt framework, facilitates the creation of visually appealing and dynamic user interfaces with its intuitive syntax and powerful features; Squish - a testing tool ensuring the reliability and performance of the HMI by automating the testing process.

Responsibilities
  • Define the performance strategy for mobile and backend, in accordance with the QA Lead and the dev teams. 
  • Model realistic workloads: spike, stress, soak, scalability, and capacity tests reflecting mobile traffic patterns (cold starts, caching behavior, offline/online sync). 
  • Apply baseline tests to enable our dev teams to continuously check for performance flaws during the development lifecycle. 
  • Author and maintain k6 suites, including scenarios/executors, thresholds & checks, parameterization, test data management, secrets handling, results artifacts. 
  • Run k6 tests locally and at scale (k6 Cloud). 
  • Analyze test results via Grafana and discuss mitigation strategies for bottlenecks with the dev teams. 
  • Define performance smoke and regression gates, baseline drift detection, automated reports & dashboards. You'll collaborate with our dev teams, architects and the QA Lead. 
Tech Stack
  • k6 (OSS/Cloud), k6-operator, xk6 extensions, k6 outputs (JSON/Prometheus). 
  • APM: Grafana, OpenTelemetry 
  • Backend/Infrastructure: Kubernetes, Redis, DynamoDB, AWS/Azure/GCP.
Necessary requirements 
  • 3-5 years experience in performance engineering for distributed systems, APIs and/or mobile-backed services. 
  • Deep k6 expertise across the full lifecycle: Test definition and design, scripted scenarios, data/secrets management, test runs, analysis, and reporting. 
  • Sound experience of workload modeling, concurrency, race conditions, back-pressure, and tail latencies (p95/p98). 
  • Hands-on with APM & tracing and capacity planning. 
  • Comfortable with analyzing databases, caches, queues, and communication through different API layers. 
  • Ability to read code and consult dev teams with concrete improvements. 
Nice to have 
  • XRay knowledge 
  • Practical knowledge in Chaos Engineering 

  • Performance Tester

    4 tygodni temu

    Wrocław, dolnośląskie, dolnośląskie, Polska Sii Sp. z o.o. Pełny etat

    Performance TesterMiejsce pracy: WrocławTechnologies we useExpectedLocustGatlingNeoLoadLoadRunnerPerformance TestsOptionalAPMScalaC#About the projectJoin the team of the largest Testing Services Center in Poland, created by testers for testers, in a company regularly awarded with Great Place to Work awards. We offer interesting projects and constant access...

  • Performance Tester

    12 godzin temu

    Wrocław, dolnośląskie, dolnośląskie, Polska Sii Sp. z o.o. Pełny etat

    Performance TesterMiejsce pracy: WrocławTechnologies we useExpectedLocustGatlingNeoLoadLoadRunnerPerformance TestsJavaScriptPythonScalaGitJenkinsOptionalAPMScalaC#About the projectJoin the team of the largest Testing Services Center in Poland, created by testers for testers, in a company regularly awarded with Great Place to Work awards. We offer...

  • Performance Tester

    1 tydzień temu

    Wrocław, dolnośląskie, Polska Spyrosoft Pełny etat 18 zł - 480 zł

    Project Description Creating of user-friendly interface (HMI) tailored for a kitchen appliance, ensuring seamless interaction between users and the device's functionalities. The Technologies used: Qt, a cross-platform application framework, serves as the backbone for constructing the graphical elements of the interface, offering a wide array of tools and...

  • Senior Automation Tester

    7 dni temu

    Wrocław, Województwo dolnośląskie, Polska Spyrosoft Pełny etat 80 000 zł - 120 000 zł rocznie

    About the projectFreelance project for an experienced Senior Automation Tester - starting date 17 Nov 2025, project length - till 31 Mar 2026. Tech Stack: Xcode, XCUITest, XCTest, Swift Testing, Swift, Swift Package Manager, Git, Jenkins, REST API testing (Postman/Charles), SwiftLint (quality gates) Context Quality assurance for a native macOS...

  • Senior Business Analyst_Wroclaw, Krakow, Warsaw

    5 dni temu

    Wrocław, Województwo dolnośląskie, Polska Luxoft Pełny etat 60 000 zł - 80 000 zł rocznie

    Location: hybrid work in Wroclaw, Krakow or Warsaw.It's a project for 4-6 monthsProject Description:We are looking for a detail-oriented and proactive QA Manual Tester to join our Capital Markets QA team. This role focuses on testing Fixed Income Sales and Trading applications, ensuring the accuracy, reliability, and performance of systems that support...

  • QA Engineer

    5 dni temu

    Wrocław, Województwo dolnośląskie, Polska Test Driven Solutions Ltd. Pełny etat 80 000 € - 120 000 € rocznie

    QA/Automation Tester.Wrocław, Poland (Hybrid)APPLY NOWTest Driven Solutions is a software consultancy headquartered in Newcastle, UK, with offices in Calgary, Canada, and Wroclaw, Poland. We provide our clients with highly skilled consultants to plug skills gaps, facilitate timely project delivery, and upskill in-house teams.Working with a wide range of...

  • QA Automation Engineer

    5 dni temu

    Wrocław, Województwo dolnośląskie, Polska Solteq Plc Pełny etat

    Love catching bugs before they cause trouble? Enjoy making sure every feature just works the way it should? We're looking for a QA Automation Engineer who's excited to make a real impact on our product - from the first test case to the final release.AssignmentAs aQA Automation Engineer, you'll play a key role in analyzing, designing, creating, and executing...

  • Performance Tester

    2 tygodni temu

    Wrocław, Polska Spyrosoft Pełny etat

    Project Description  Creating of user-friendly interface (HMI) tailored for a kitchen appliance, ensuring seamless interaction between users and the device's functionalities. The Technologies used: Qt, a cross-platform application framework, serves as the backbone for constructing the graphical elements of the interface, offering a wide array of tools and...

  • Frontend Tester

    2 tygodni temu

    Wrocław, Polska Spyrosoft Pełny etat

    Project Description  Creating of user-friendly interface (HMI) tailored for a kitchen appliance, ensuring seamless interaction between users and the device's functionalities. The Technologies used: Qt, a cross-platform application framework, serves as the backbone for constructing the graphical elements of the interface, offering a wide array of tools and...

  • QA Engineer

    2 tygodni temu

    Wrocław, Polska Sii Pełny etat

    Are you passionate about building robust automated testing solutions that support large-scale, high-traffic platforms? In this role, you will leverage your expertise in Golang to develop efficient, maintainable test automation frameworks and scripts. You’ll work closely with Playwright for UI testing and contribute to optimizing CI/CD pipelines to...

  • QA Automation Engineer

    2 tygodni temu

    Wrocław, Polska Sii Pełny etat

    Are you passionate about building robust automated testing solutions that support large-scale, high-traffic platforms? Join a dynamic team focused on delivering seamless, resilient software handling nearly a billion API calls monthly. In this role, you will leverage your expertise in Golang to develop efficient, maintainable test automation frameworks and...

  • QA Automation Engineer

    7 dni temu

    - Wrocław, Polska Solteq Oyj Pełny etat 40 000 zł - 80 000 zł rocznie

    Love catching bugs before they cause trouble? Enjoy making sure every feature just works the way it should? We're looking for a QA Automation Engineer who's excited to make a real impact on our product - from the first test case to the final release.AssignmentAs a QA Automation Engineer, you'll play a key role in analyzing, designing, creating, and executing...

  • QA Engineer freelance

    2 tygodni temu

    Wrocław, Polska Intent Pełny etat

    We’re currently seeking a passionate  freelance Senior QA Engineer to join our forthcoming projects. As a freelancer cooperating with intent, you'll have the chance to work on diverse IoT projects, contributing your expertise to our team. At the moment, there are no ongoing projects, but we eagerly await upcoming opportunities and are keen to engage with...