Performance Tester with Gatling (f/m/x)

🏢 Summary: Remote (later hybrid in Warsaw) Senior Load Test Engineer role focused on designing, executing, and automating performance testing for large-scale production systems. The position involves identifying bottlenecks, analyzing metrics, and integrating load tests into CI/CD pipelines to ensure platform stability and scalability. You will work closely with backend teams to maintain high performance under heavy user traffic. 🗂️ Requirements: 5+ years performance and load testing experience, Experience with large production systems, Proficiency with k6, Gatling, JMeter, or Locust, Ability to create complex load testing scripts from scratch, Strong understanding of backend systems and databases, Knowledge of infrastructure behavior under heavy load, Ability to analyze metrics from monitoring tools, Knowledge of HTTP, WebSockets, real-time protocols, Experience testing APIs under load, Experience with CI/CD pipeline integration, Proficiency with Git 📃 Skills: k6, Gatling, JMeter, Locust, Grafana, Datadog, NewRelic, HTTP, WebSockets, CI/CD, Git, APIs, Databases 🏢 Description: Please note: Remote mode but later hybrid in Warsaw Position Overview We are looking for a Senior Load Test Engineer who is passionate about performance testing. You understand how systems work when many users use them at the same time. You know how to find problems before real users experience them. You can clearly explain what is wrong and why it needs to be fixed. You work independently, manage your testing process from start to finish, and care about keeping our platform fast and stable as it grows. Key Responsibilities Plan and run load, stress, spike, and long-running tests on important parts of our platform. Study the results and find exactly where and why performance becomes worse. Work closely with backend engineers to understand the system and identify the real bottlenecks. Create and maintain performance test scripts that can be reused, stored in version control, and easily updated when the product changes. Add performance tests to CI/CD pipelines so problems can be detected early. Set performance goals and limits together with engineering and product teams. Watch how the platform behaves under load using monitoring tools and connect metrics with test results. Write clear reports and give practical recommendations to engineering teams. Qualifications 5+ years of practical experience with performance and load testing for large production systems. Strong experience with tools such as k6, Gatling, JMeter, or Locust, including creating complex scripts from the beginning. Good understanding of backend systems, databases, and how infrastructure behaves under heavy load. Ability to read and understand metrics from tools like Grafana, Datadog, New Relic, or similar. Good knowledge of HTTP, WebSockets, and real-time communication protocols. Experience testing APIs under load, including authentication flows, many users at the same time, and stateful scenarios. Familiar with CI/CD pipelines and adding performance tests to automated build processes. Comfortable using Git and working in agile engineering teams. Soft Skills Naturally curious — you like to understand why a system behaves in a certain way under pressure. Strong analytical thinking — you can review many metrics and quickly find the most important problem. Good communication — you can explain complex performance issues clearly to both developers and product managers. Self-motivated — you do not wait for someone to tell you there is a problem; you actively look for it.

🏢 Summary: Senior QA Automation & Performance Test Engineer role focused on designing, developing, and executing automated and performance test solutions to ensure quality, scalability, and reliability of complex software systems. The position involves owning non-functional testing activities, building automation frameworks, and optimizing application performance across web, microservices, and cloud environments. The role requires strong programming expertise and hands-on experience with enterprise-grade testing and monitoring tools. 🗂️ Requirements: Strong proficiency in Java, Strong proficiency in C, Experience with LoadRunner Enterprise, Experience with Selenium or Cucumber, Hands-on experience in automation testing across web, microservices, databases, and cloud applications, Experience with CI/CD pipelines, Experience building performance and load testing frameworks, Experience with logging and APM tools, Knowledge of Linux performance tuning, Knowledge of database optimisation techniques, Experience with WebSphere, Experience with Tomcat, Ability to analyse logs and database queries, Experience managing test and defect lifecycle in Agile and Waterfall 📃 Skills: Java, C, LoadRunner, Selenium, Cucumber, Gatling, Locust, AppDynamics, AppInsights, Splunk, Linux, SQL, WebSphere, Tomcat, CI/CD 🏢 Description: We are seeking a highly skilled Senior QA Automation & Performance Test Engineer to join our dynamic team. The ideal candidate will be responsible for designing, developing, maintaining, and executing automated and performance test scripts to ensure the quality, reliability, and scalability of our software products. This role requires a strong background in software development, test automation frameworks, performance testing, and a passion for delivering high-quality solutions. This position offers a flex-hybrid model of work, with 3 days per week working from the office located in Wroclaw or Krakow. Responsibilities Collaborate with cross-functional teams to understand software requirements and develop comprehensive test plans, cases, and scenarios Design, develop, and maintain automated and performance test scripts using industry-standard tools and frameworks Own and manage all non-functional testing activities, including performance, stress, load, and regression testing Continuously research and evaluate new testing technologies, tools, and methodologies to improve efficiency and effectiveness Advocate for best practices in testing and quality assurance, contributing to process improvement Develop custom tools and integrate with existing tools to increase engineering productivity Ensure quality, security, reliability, and compliance by testing both functional and non-functional requirements Coordinate test activities within the pod and across other test managers as required Enable and drive a culture of 'automation-first' in the QA space Perform in-sprint automation testing and build regression test suites Analyse errors using logs, database queries, legacy and Unix file systems, etc Expertly manage the complete test and defect lifecycle across agile and waterfall methodologies Generate test reports and share status across multiple levels Capacity planning and management of web, microservices, and mobile applications Performance monitoring and tuning of applications using tools like AppDynamics, AppInsights, Splunk Use quantitative methods to identify performance and throughput bottlenecks Work on large-scale migration projects for financial institutions’ core platforms Requirements Strong proficiency in programming languages such as Java and C Strong experience in LoadRunner Enterprise (2023 or earlier) Experience with test automation frameworks such as Selenium, Cucumber, or similar BDD frameworks Hands-on experience with automation testing for desktop, web, data services, microservices, database, ETL, cloud-based applications, middleware, and OS Experience with CI/CD pipelines Expertise in building frameworks for performance and load tests using tools like Gatling, Locust, LoadRunner Experience with logging and APM tools (AppDynamics, AppInsights, Splunk) Good understanding of Linux performance tuning and database optimisation techniques Experience with WebSphere and Tomcat application servers Strong analytical skills, proactive, detail-oriented, and comfortable working in dynamic, fast-paced environments Excellent communicator with strong written and verbal English skills We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Long-term B2B opportunity for an experienced Performance Test Engineer to design and execute performance testing for web applications, APIs, microservices, and PEGA-based systems. The role focuses on building and maintaining LoadRunner Enterprise scripts, analyzing bottlenecks, and supporting performance optimization across complex enterprise environments. Work is hybrid in Poland with English as the project language. 🗂️ Requirements: Minimum 4+ years of hands-on Performance Testing experience, Strong expertise in LoadRunner Enterprise (LRE), Practical experience with TrueClient scripting, Strong experience with HTTP/HTML scripting, Experience in API performance testing, Understanding of microservices architecture, Experience in performance testing of PEGA applications, Ability to analyze performance bottlenecks, Good command of English 📃 Skills: LoadRunner, LRE, TrueClient, HTTP, HTML, API, Microservices, PEGA, Dynatrace, AppDynamics, Splunk, Sysdig, Grafana, CI/CD, SQL 🏢 Description: Location: Gdańsk, Gdynia or Warsaw, Poland Working model : hybrid 2-3 days per week from the preferred office Language: English Contract: B2B, long-term, 12+ months We are looking for an experienced Performance Tester / Performance Test Engineer to join a project focused on performance testing of web-based applications, API, microservices, and PEGA-based systems. This role is ideal for someone with strong hands-on experience in LoadRunner Enterprise (LRE) , including scripting with TrueClient and HTTP/HTML protocols , as well as a solid understanding of API and microservices performance testing. Responsibilities Design, develop, execute, and maintain performance test scripts using LoadRunner Enterprise (LRE) . Create, enhance, and maintain TrueClient and HTTP/HTML scripts for web-based applications. Conduct performance, load, stress, endurance, and scalability testing. Prepare performance test plans, workload models, test scenarios, and test reports. Analyze application and system performance bottlenecks. Provide recommendations for performance tuning and optimization. Perform API and microservices performance testing, including service virtualization where required. Monitor system performance using tools such as Dynatrace, AppDynamics, Splunk, Sysdig, Grafana , or similar. Collaborate with Development, QA, Infrastructure, and Business teams to identify and resolve performance issues. Support performance testing activities for applications built on the PEGA platform. Requirements Minimum 4+ years of hands-on experience in Performance Testing . Strong expertise in LoadRunner Enterprise (LRE) . Practical experience with TrueClient scripting . Strong experience with HTTP/HTML scripting . Good understanding of API and microservices architecture . Experience in performance testing of PEGA applications . Strong analytical, troubleshooting, and problem-solving skills. Good command of English. Nice to have Experience with monitoring tools such as Dynatrace, Sysdig, AppDynamics, Grafana, and Splunk . Experience with CI/CD integration for performance testing. SQL knowledge for backend validation. Good communication and stakeholder management skills. What we offer Opportunity to work on complex enterprise-level systems. Collaboration with experienced Development, QA, Infrastructure, and Business teams. Work with modern performance testing and monitoring tools. Project locations available in Gdańsk, Gdynia or Warsaw . International working environment with English as the main project language. Long-term cooperation.

🏢 Summary: Long-term B2B contract for an experienced Performance Test Engineer to design and execute performance testing for web applications, APIs, microservices, and PEGA-based systems using LoadRunner Enterprise. The role focuses on scripting, analysis, monitoring, and optimization of enterprise-level systems in a hybrid model in Poland. 🗂️ Requirements: 4+ years of hands-on experience in Performance Testing, Strong expertise in LoadRunner Enterprise (LRE), Practical experience with TrueClient scripting, Strong experience with HTTP/HTML scripting, Understanding of API architecture, Understanding of microservices architecture, Experience in performance testing of PEGA applications, Ability to analyze and troubleshoot performance issues, Good command of English 📃 Skills: LoadRunner, LRE, TrueClient, HTTP, HTML, API, Microservices, PEGA, Dynatrace, AppDynamics, Splunk, Sysdig, Grafana, SQL, CI/CD 🏢 Description: Location: Gdańsk, Gdynia or Warsaw, Poland Working model : hybrid 2-3 days per week from the preferred office Language: English Contract: B2B, long-term, 12+ months We are looking for an experienced Performance Tester / Performance Test Engineer to join a project focused on performance testing of web-based applications, API, microservices, and PEGA-based systems. This role is ideal for someone with strong hands-on experience in LoadRunner Enterprise (LRE) , including scripting with TrueClient and HTTP/HTML protocols , as well as a solid understanding of API and microservices performance testing. Responsibilities Design, develop, execute, and maintain performance test scripts using LoadRunner Enterprise (LRE) . Create, enhance, and maintain TrueClient and HTTP/HTML scripts for web-based applications. Conduct performance, load, stress, endurance, and scalability testing. Prepare performance test plans, workload models, test scenarios, and test reports. Analyze application and system performance bottlenecks. Provide recommendations for performance tuning and optimization. Perform API and microservices performance testing, including service virtualization where required. Monitor system performance using tools such as Dynatrace, AppDynamics, Splunk, Sysdig, Grafana , or similar. Collaborate with Development, QA, Infrastructure, and Business teams to identify and resolve performance issues. Support performance testing activities for applications built on the PEGA platform. Requirements Minimum 4+ years of hands-on experience in Performance Testing . Strong expertise in LoadRunner Enterprise (LRE) . Practical experience with TrueClient scripting . Strong experience with HTTP/HTML scripting . Good understanding of API and microservices architecture . Experience in performance testing of PEGA applications . Strong analytical, troubleshooting, and problem-solving skills. Good command of English. Nice to have Experience with monitoring tools such as Dynatrace, Sysdig, AppDynamics, Grafana, and Splunk . Experience with CI/CD integration for performance testing. SQL knowledge for backend validation. Good communication and stakeholder management skills. What we offer Opportunity to work on complex enterprise-level systems. Collaboration with experienced Development, QA, Infrastructure, and Business teams. Work with modern performance testing and monitoring tools. Project locations available in Gdańsk, Gdynia or Warsaw . International working environment with English as the main project language. Long-term cooperation.

🏢 Summary: Long-term B2B contract for an experienced Performance Tester focused on designing and executing performance tests for web applications, APIs, microservices, and PEGA-based systems using LoadRunner Enterprise. The role involves scripting, monitoring, bottleneck analysis, and performance optimization in enterprise-scale environments. Hybrid work model from Gdańsk, Gdynia, or Warsaw. 🗂️ Requirements: Minimum 4+ years of hands-on experience in Performance Testing, Strong expertise in LoadRunner Enterprise (LRE), Practical experience with TrueClient scripting, Strong experience with HTTP/HTML scripting, Understanding of API and microservices architecture, Experience in performance testing of PEGA applications, Ability to design and execute performance, load, stress, and scalability tests, Experience in analyzing performance bottlenecks, Good command of English 📃 Skills: LoadRunner, LRE, TrueClient, HTTP, HTML, API, Microservices, PEGA, Dynatrace, AppDynamics, Splunk, Sysdig, Grafana, CI/CD, SQL 🏢 Description: Location: Gdańsk, Gdynia or Warsaw, Poland Working model : hybrid 2-3 days per week from the preferred office Language: English Contract: B2B, long-term, 12+ months We are looking for an experienced Performance Tester / Performance Test Engineer to join a project focused on performance testing of web-based applications, API, microservices, and PEGA-based systems. This role is ideal for someone with strong hands-on experience in LoadRunner Enterprise (LRE) , including scripting with TrueClient and HTTP/HTML protocols , as well as a solid understanding of API and microservices performance testing. Responsibilities Design, develop, execute, and maintain performance test scripts using LoadRunner Enterprise (LRE) . Create, enhance, and maintain TrueClient and HTTP/HTML scripts for web-based applications. Conduct performance, load, stress, endurance, and scalability testing. Prepare performance test plans, workload models, test scenarios, and test reports. Analyze application and system performance bottlenecks. Provide recommendations for performance tuning and optimization. Perform API and microservices performance testing, including service virtualization where required. Monitor system performance using tools such as Dynatrace, AppDynamics, Splunk, Sysdig, Grafana , or similar. Collaborate with Development, QA, Infrastructure, and Business teams to identify and resolve performance issues. Support performance testing activities for applications built on the PEGA platform. Requirements Minimum 4+ years of hands-on experience in Performance Testing . Strong expertise in LoadRunner Enterprise (LRE) . Practical experience with TrueClient scripting . Strong experience with HTTP/HTML scripting . Good understanding of API and microservices architecture . Experience in performance testing of PEGA applications . Strong analytical, troubleshooting, and problem-solving skills. Good command of English. Nice to have Experience with monitoring tools such as Dynatrace, Sysdig, AppDynamics, Grafana, and Splunk . Experience with CI/CD integration for performance testing. SQL knowledge for backend validation. Good communication and stakeholder management skills. What we offer Opportunity to work on complex enterprise-level systems. Collaboration with experienced Development, QA, Infrastructure, and Business teams. Work with modern performance testing and monitoring tools. Project locations available in Gdańsk, Gdynia or Warsaw . International working environment with English as the main project language. Long-term cooperation.

🏢 Summary: The offer is for a Test Automation Engineer role focused on ensuring the quality and reliability of software powering EV charging infrastructure and digital services in the eMobility sector. The position involves building and maintaining automated test frameworks, integrating tests into CI/CD pipelines, and contributing to test strategy and quality standards within an Agile environment. The role combines hands-on automation, API testing, and collaboration across QA and product teams. 🗂️ Requirements: Minimum 5 years of professional QA experience, Minimum 3 years of test automation experience, Strong programming skills in Java, Experience building test automation frameworks from scratch, Hands-on experience with Selenium, Selenide, TestNG, JUnit, or Cucumber, Experience in API testing with Postman, REST Assured, or Swagger, Experience integrating automated tests into CI/CD pipelines, Knowledge of testing fundamentals and test pyramid, Understanding of regression, integration, and basic performance testing, Very good English and Polish communication skills, Residence in Poland 📃 Skills: Java, Selenium, Selenide, TestNG, JUnit, Cucumber, Postman, REST, Swagger, CI/CD, Azure, GitLab, Jenkins, GitHub, API, Scrum 🏢 Description: Join an innovative team working on solutions in the rapidly growing eMobility sector. Our platform supports the development and management of intelligent charging infrastructure for electric vehicles, enabling reliable and scalable charging networks across multiple regions. As a Test Automation Engineer, you will help ensure the quality and reliability of software powering modern EV charging stations and related digital services. Your tasks Designing, developing, and maintaining automated test frameworks aligned with system architecture and business goals Creating and executing automated tests and integrating them into CI/CD pipelines Collaborating with Product Owners and QA teams to decide what and when to automate Advising on test strategies, tools, best practices, and quality standards at both team and organizational levels Supporting the team with manual testing activities when needed Analyzing test results, preparing clear reports, and communicating outcomes to stakeholders Identifying, analyzing, and reporting testing and project risks Participating actively in Scrum ceremonies and the full Software Development Life Cycle Acting as a QA Automation mentor, contributing to QA Communities of Practice, and supporting onboarding and recruitment processes Requirements At least 5 years of professional QA experience, including a minimum of 3 years in automation Strong programming skills in Java Experience building test automation frameworks from scratch Hands-on experience with tools such as Selenium / Selenide, TestNG, JUnit, or Cucumber (BDD) Solid experience in API testing using tools like Postman, REST Assured, or Swagger Practical expertise in integrating automated tests into CI/CD pipelines (Azure DevOps, GitLab, Jenkins, GitHub Actions) Strong understanding of testing fundamentals, including the test pyramid, different test levels, regression testing, integration testing, and performance basics Very good communication skills, both in English and Polish Residing in Poland required

🏢 Summary: Hybrid B2B opportunity for an experienced NFT Application Performance Engineer to optimize and certify the performance of complex Java/WebLogic applications within a Core Banking environment. The role focuses on performance testing, monitoring, bottleneck analysis, and implementing scalability improvements. The contract offers long-term cooperation with a rate up to 160 PLN net + VAT per hour. 🗂️ Requirements: Proven experience as Performance Engineer or similar role, Strong understanding of application architecture, Experience with performance optimization techniques, Proficiency with JMeter, Experience with AppDynamics, Experience in performance monitoring for WebLogic applications, Knowledge of web server configuration and optimization, Strong analytical and problem-solving skills, Strong communication and collaboration skills 📃 Skills: Java, WebLogic, JMeter, AppDynamics, PerformanceTesting, PerformanceMonitoring, WebServers, Temenos 🏢 Description: General info: Model of work: hybrid (3 times per week work from office: Warsaw/ Gdańsk/ Gdynia/ Łódź) Type of contract: B2B, long-term cooperation Rate: up to 160 PLN net + vat/ hour Introduction & Summary: We are seeking a talented and experienced NFT Application Performance Engineer to join our team. As a Java Application Performance Engineer, you will be responsible for optimizing the performance and scalability of our Weblogic applications, ensuring a seamless and efficient user experience. This role is critical for performance certification for a complex Core Banking solution. Main Responsibilities: Conduct performance testing and analysis to identify bottlenecks and areas for improvement in Java/Weblogic application performance. Develop and implement performance optimization strategies to enhance the speed, responsiveness, and scalability of Java/Weblogic applications. Collaborate with software developers and architects to design and implement performance enhancements and optimizations. Monitor and analyze web application performance metrics using monitoring tools and systems. Identify and troubleshoot performance issues, both proactively and reactively, and provide recommendations for resolution. Stay up-to-date with industry trends and best practices in web application performance engineering. Key Requirements: Proven experience as a Performance Engineer or a similar role. Strong understanding of application architecture and performance optimization techniques. Proficient in performance testing tools and methodologies (Jmeter). Experience with performance monitoring and analysis tools (e.g., AppDynamics). Experience with performance monitoring and analysis specifically for Weblogic applications. Familiarity with web server configurations and optimization. Excellent problem-solving and analytical skills. Strong communication and collaboration skills. Nice to Have: Experience with Temenos Core Banking would be an advantage.

🏢 Summary: Offer for an experienced Performance Tester to work on large-scale banking projects, responsible for designing and executing performance tests and analyzing system behavior under load. The role involves building test scripts, identifying bottlenecks, and integrating performance testing into CI/CD pipelines. Hybrid work model with opportunities to develop skills in high-demand, high-quality environments. 🗂️ Requirements: Minimum 2 years of experience in performance testing, Practical knowledge of JMeter, Gatling, k6 or LoadRunner, Experience with monitoring tools (Grafana, Prometheus, Datadog or similar), Knowledge of HTTP/S, TCP/IP and WebSocket protocols, Knowledge of SQL databases and basic querying, Basic knowledge of Java or Python 📃 Skills: JMeter, Gatling, k6, LoadRunner, Grafana, Prometheus, Datadog, HTTP, HTTPS, TCP/IP, WebSocket, SQL, Java, Python, Jenkins, GitLab 🏢 Description: Poszukujemy doświadczonego Testera Wydajności, który dołączy do zespołu realizującego projekty dla sektora bankowego. Na tym stanowisku będziesz odpowiadać za planowanie, projektowanie i realizację testów wydajnościowych aplikacji, analizę ich zachowania pod obciążeniem oraz identyfikację wąskich gardeł wpływających na stabilność i wydajność systemów. Jeśli posiadasz minimum 2 lata doświadczenia w testach wydajnościowych, znasz środowiska monitoringu i chcesz rozwijać swoje kompetencje przy projektach o wysokiej skali i wymaganiach jakościowych, zapraszamy do aplikowania. Praca w trybie hybrydowym: 3 dni w tygodniu stacjonarnie i 2 dni zdalnie w tygodniu Proces rekrutacyjny: 1 rozmowa telefoniczna + 1 spotkanie Twoje zadania na tym stanowisku: Projektowanie i wykonywanie testów obciążeniowych, stresowych, wytrzymałościowych, skokowych i bazowych Budowanie i utrzymanie skryptów testowych w JMeter/Gatling/k6 Analiza wyników, identyfikacja wąskich gardeł i raportowanie do zespołu dev Tworzenie strategii testów wydajnościowych dla nowych projektów Współpraca z DevOps przy integracji testów w pipeline CI/CD Modelowanie profili obciążenia na podstawie danych produkcyjnych Co będzie Ci potrzebne, aby móc wykonywać zadania? Minimum dwa lata doświadczenia w testach wydajnościowych Praktyczna znajomość JMeter, Gatling, k6, LoadRunner Doświadczenie z monitoringiem: Grafana, Prometheus, Datadog lub podobne Podstawy protokołów HTTP/S, TCP/IP, WebSocket Znajomość baz danych SQL i podstaw zapytań Podstawowa znajomość Java/Python Mile widziane: Praktyczne umiejętności w zakresie programowania lub automatyzacji testów Znajomość narzędzi wykorzystywanych w procesach CI/CD: Jenkins, GitLab Benefity Ubezpieczenie grupowe Prywatna opieka medyczna Multisport Kursy językowe Szkolenia Praca w największej spółce IT Pracowniczy Plan Emerytalny Drużyna Active Team Owocowe środy Spotkania integracyjne

🏢 Summary: The role focuses on driving load and performance testing for a connected home IoT platform, ensuring scalability, reliability, and resilience. You will design, execute, and automate performance tests, analyze bottlenecks, and improve system components within an agile environment. The position also involves maintaining testing infrastructure and collaborating with development teams to continuously enhance platform performance. 🗂️ Requirements: 5+ years experience in software or performance engineering, Proven experience in load testing and scaling systems, Experience with backend and web application scaling, Knowledge of messaging infrastructure and asynchronous processing, Experience with Infrastructure as Code, Experience with observability and monitoring tools, Understanding of SRE concepts, Experience working in Agile environments, Strong analytical and performance troubleshooting skills, Professional English proficiency 📃 Skills: Java, Scala, Go, Python, TypeScript, Terraform, Ansible, Prometheus, ELK, APM, REST, Jenkins, GitHub, Bitbucket, Confluence, Jira, Kafka, SQL 🏢 Description: Software Performance Engineer (f/m) As part of the development team, you will drive load and performance testing for connected home applications, designing, executing, and evaluating performance tests to ensure scalability, reliability, and resilience of the Home Connect IoT Platform. You will also contribute to the implementation and continuous improvement of services with a strong focus on performance engineering. Your responsibilities: Develop and conduct load and performance tests within an agile team as a core part of the Home Connect IoT Platform, in alignment with system architects and program management. Analyze performance bottlenecks and identify root causes across various system components. Evaluate existing and new components from a performance and reliability perspective. Create, enhance, and maintain automated load tests, reports, and dashboards. Develop and maintain the infrastructure of dedicated load and performance testing environments. Collaborate with dev teams in the continuous assessment and improvements of the Home Connect IoT platform's performance Expectations: 5+ years of experience in software engineering, performance engineering, or related areas. Strong willingness to continuously learn new technologies, tools, and engineering practices. Experience in load testing and scaling. Tech Stacks experience: Java; additional experience with Scala, Go, Python, or TypeScript is a plus Experience with scaling backends and web applications, messaging infrastructure, asynchronous IO, reactive programming, databases Infrastructure as Code (IaC), e.g., Terraform, Ansible. Observability tools (such as Prometheus, ELK, and APMs). REST load testing tools/frameworks Tools experience Confluence Jira Bitbucket/GitHub Jenkins/GitHub Actions Strong analytical skills: creating hypotheses, designing experiments to test them, defining and communicating metrics and chosen methods, presenting findings, and translating them into actionable improvements. Understanding of Site Reliability Engineering (SRE) concepts. Agile development practices, including SAFe, Scrum, Kanban, and Pair Programming. Excellent verbal and written communication skills in English; German language skills are a strong plus. We offer: Opportunities for continuous self-development in the latest technology stacks Participate in the concept creation and software architecture for new use cases in Home Connect Platform Stable employment in a professional work environment Private healthcare and sport package Flexible working hours with the possibility of remote work on selected days

🏢 Summary: The offer is for a Test Automation Engineer with strong Java expertise to develop and maintain automated testing solutions for complex digital fleet management platforms in an Agile environment. The role focuses on building high-quality, secure, and performance-driven systems through automated testing, BDD practices, and continuous integration processes. 🗂️ Requirements: Minimum 5 years of commercial experience in automated testing, Strong experience in Java test automation, Hands-on experience with Playwright, Hands-on experience with Cucumber ecosystem, Experience writing and executing BDD test scenarios, Experience with DevSecOps-oriented quality processes, Experience working with CI/CD pipelines, Ability to design and maintain regression test scenarios, Experience creating product-oriented test scenarios 📃 Skills: Java, Playwright, Cucumber, Gherkin, BDD, DevSecOps, CI/CD, Agile 🏢 Description: We are looking for a skilled Test Automation Engineer with Java to join a dynamic Agile environment focused on building and supporting digital platforms for fleet management across multiple countries. In this role, you will contribute to innovative solutions and help ensure high standards of quality, performance, and security across a complex ecosystem of interconnected platforms. Your tasks Designing, developing and maintaining automated tests in Java using Playwright Writing and executing BDD test scenarios in Gherkin Identifying, prioritizing, and analyzing defects Preparing clear, quality reports for stakeholders Improving and maintaining regression test scenarios Promoting a quality culture and metrics-driven approach Requirements Minimum 5 years of commercial experience in automated testing using Java and Playwright Hands-on experience with the Cucumber ecosystem Good understanding of DevSecOps-oriented quality processes and CI/CD pipelines Proven experience in writing product-oriented test scenarios Fluent in English, both written and spoken Willingness to work from the Warsaw office 2-3 days per week Fluent Polish required Residing in Poland required Nice-to-have requirements Knowledge of Groovy What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!