Senior Performance Test Engineer (f/m/x)

🏢 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: 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: Performance Engineer role focused on designing and executing performance testing for EV charging, retail, and mobile solutions in a cloud-based environment. The position involves building and maintaining Gatling test scripts, analyzing system performance, and optimizing scalability in collaboration with development teams. You will drive performance engineering standards and support a shift-left approach to ensure fast and stable systems. 🗂️ Requirements: Minimum 5 years of experience in software testing including performance testing, Hands-on experience with Gatling, Strong programming skills in Java, Understanding of OOP principles and SOLID, DRY, YAGNI, KISS practices, Knowledge of performance engineering concepts and optimization (architectural patterns, databases, microservices, queues, JVM tuning), Experience with performance testing methodologies and workload modeling, Experience with Azure or AWS cloud platforms, Practical experience with Docker, Experience with observability and monitoring tools, Experience with CI/CD pipelines, Experience with Git version control, English proficiency at B2 level minimum, Fluent Polish, Residing in Poland 📃 Skills: Gatling, Java, Azure, AWS, Docker, Grafana, Kibana, InfluxDB, Prometheus, CloudWatch, ApplicationInsights, GitHub, Actions, AzureDevOps, Git, JVM, OOP, SOLID, DRY, YAGNI, KISS, Microservices, Databases, Queues, CI/CD 🏢 Description: We are looking for a Performance Engineer with Gatling for a project in the fueling & EV retail industry. You’ll join a small but experienced team that supports various internal projects and helps teams build fast and stable systems. A big advantage is the well-structured testing strategy and ongoing collaboration with developers. You’ll work on solutions related to EV charging, loyalty systems, mobile applications, and retail — in an environment where performance and scalability truly matter. Your tasks Developing, maintaining, and deploying performance testing scripts, load generators, and executing performance tests Defining performance testing scope, goals, and success criteria Gathering and refining performance requirements with stakeholders Analyzing performance results on both the client and server sides Identifying bottlenecks using observability tools like Azure Application Insights, Amazon CloudWatch, and Grafana Preparing clear reports with insights and recommendations Supporting and guiding development teams on performance best practices while promoting a shift-left approach to performance testing Helping define and improve performance engineering standards Requirements Minimum 5 years of professional experience in software testing, including performance testing Solid understanding of performance engineering concepts and optimization (architectural patterns, databases, microservices, queues, JVM tuning) Solid understanding of performance testing methodologies, strategies, and workload profiles Hands-on experience with Gatling (must-have) and programming skills in Java, including a good understanding of OOP principles and best practices (SOLID, DRY, YAGNI, KISS) Previous work with cloud platforms such as Azure or AWS Practical experience with containerization and orchestration tools, especially Docker Familiarity with observability and monitoring tools such as Grafana, Kibana, InfluxDB, Prometheus, Azure Application Insights, and Amazon CloudWatch Experience working with CI/CD pipelines (e.g., GitHub Actions, Azure DevOps) and version control systems such as Git English proficiency at a minimum B2 level Fluent Polish required Residing in Poland required Nice-to-have requirements Performance testing experience (JMeter, Python, Kubernetes), including mobile apps Familiarity with GitHub Copilot 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!

🏢 Summary: Senior Performance Tester role focused on designing and executing advanced performance testing strategies for web applications and microservices using LoadRunner Enterprise. The position involves analyzing system bottlenecks, monitoring application performance, and collaborating with cross-functional teams to ensure scalability and reliability. Hybrid work model with responsibility for performance testing of PEGA-based applications. 🗂️ Requirements: Minimum 4+ years of experience in Performance Testing, Strong expertise in LoadRunner Enterprise (LRE), Hands-on experience in TrueClient scripting, Strong experience in HTTP/HTML scripting, Knowledge of API and Microservices architecture, Experience in performance, load, stress, endurance, and scalability testing, Ability to analyze performance bottlenecks and troubleshoot issues, Experience with performance monitoring tools, Very good command of English (spoken and written) 📃 Skills: LoadRunner, TrueClient, HTTP, HTML, API, Microservices, Dynatrace, AppDynamics, Splunk, Sysdig, Grafana, PEGA, SQL, CI/CD 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Performance Tester Hybrid work from: Warsaw, Gdańsk, Gdynia - 3x/week Responsibilities: Design, develop, execute, and maintain performance test scripts using LoadRunner Enterprise (LRE) Create and enhance TrueClient and HTTP/HTML scripts for web-based applications Conduct performance, load, stress, endurance, and scalability testing Analyze application performance bottlenecks and provide tuning recommendations Work on API and Microservices performance testing, including service virtualization where required Monitor system performance using tools such as Dynatrace, AppDynamics, Splunk, Sysdig etc Prepare test plans, workload models, test scenarios, and performance reports Collaborate with Development, QA, Infra, and Business teams for issue resolution Handle performance testing for applications built on PEGA platform Requirements: Minimum 4+ years of experience in Performance Testing Strong expertise in LoadRunner Enterprise (LRE) Hands-on experience in TrueClient scripting Strong experience in HTTP/HTML scripting Good knowledge of API and Microservices architecture Strong analytical and troubleshooting skills Very good command of English, both spoken and written Nice to have: Experience in performance testing of PEGA applications Knowledge of monitoring tools (Dynatrace, Sysdig, AppDynamics, Grafana, Splunk) Experience with CI/CD integration for performance testing SQL knowledge for backend validation Good communication and stakeholder management skills Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 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: Hybrid B2B contract role for an experienced Non-Functional Testing Expert in a banking environment, focused on performance, reliability, and resilience testing within SAFe teams. The position involves designing and executing non-functional test strategies, integrating tests with CI/CD pipelines, and optimizing enterprise systems across complex, distributed environments. 🗂️ Requirements: Minimum 7 years of testing experience, Minimum 5 years in non-functional testing, Strong expertise in performance, reliability, and resilience testing, Experience with LoadRunner, JMeter, or Gatling, Experience in complex, multi-system enterprise environments, Experience working in Agile/SAFe teams, Proficiency in JIRA, Ability to write and analyze SQL queries, Experience with CI/CD tools, Knowledge of web services technologies (SOAP, REST, JSON, XML), Very good command of English 📃 Skills: LoadRunner, JMeter, Gatling, JIRA, QTest, SQL, AWR, Jenkins, Git, Maven, SOAP, REST, JSON, XML, Linux, Unix, CI/CD 🏢 Description: Hybrid way of work from Gdansk (2-3days per week in the office) Budget: 140PLN/h + VAT on B2B contract Banking Non-Functional Testing Expert (Performance & Reliability) Summary We are seeking an experienced Non-Functional Testing Expert to join our teams working in the SAFe methodology and responsible for comprehensive non-functional testing in an enterprise environment. The role includes designing testing strategies, executing performance and reliability tests, and collaborating with multiple technology teams to optimize solutions. Main Responsibilities Collaboration in Agile / SAFe teams Gathering and analyzing non-functional requirements (NFR) with stakeholders Creating non-functional testing strategies for releases (performance, resilience, reliability) Planning and executing tests based on risk analysis Designing and maintaining performance tests and scripts (LoadRunner/JMeter/Gatling) Executing performance, resilience, and stability tests Identifying performance issues and collaborating with technical teams for optimization Managing defects (prioritization, collaboration on resolution) Working with external and distributed teams Creating test reports and presenting results to stakeholders Supporting deployments through monitoring validation (lower vs production environments) Coordinating and monitoring non-functional testing activities Improving existing testing processes Integrating non-functional tests with CI/CD pipeline Key Requirements Must-have Minimum 7 years of testing experience , including at least 5 years in non-functional testing Strong knowledge of testing: performance testing reliability testing resilience testing Experience with tools: LoadRunner, JMeter, Gatling or similar Experience in complex environments (multiple systems, integrations, different business units) Experience working in Agile teams (SAFe preferred) Proficiency in JIRA (mandatory) , QTest is a plus Ability to write and analyze SQL queries, report analysis (e.g., AWR) Familiarity with CI/CD (e.g., Jenkins, Git, Maven) Knowledge of web services technologies (SOAP, REST, JSON, XML) Experience working with distributed teams Excellent communication skills Independence and proactivity Very good command of English Nice-to-have Experience in the banking/payments industry Familiarity with Linux/Unix environments Experience with cloud platforms Experience with mainframe systems Development experience (major plus) Other Details The position offers a dynamic working environment with opportunities for innovation and problem-solving. Candidates will be expected to efficiently manage multiple streams simultaneously and contribute to a collaborative team culture.

🏢 Summary: Senior Test Automation Engineer role focused on backend/API automation (70%) and web/mobile frontend testing (30%), with responsibility for designing scalable test frameworks and embedding quality gates in CI/CD pipelines. The position involves performance testing, integration and E2E validation, and close collaboration with development teams. The engineer will also lead code reviews, mentor others, and drive best practices across the SDLC. 🗂️ Requirements: 5+ years of commercial experience in test automation, Proficiency in Java and/or JavaScript, Strong knowledge of OOP, SOLID and clean code principles, Advanced Git workflow and code review experience, Expertise in REST Assured and Postman, Experience with Selenium or Selenide, Cypress, TestNG, JUnit, Cucumber, Experience with Appium and XCUITest, Experience integrating automated tests into CI/CD pipelines, Hands-on experience with Gatling, Comprehensive understanding of SDLC, English proficiency at B2/C1 level, Availability for hybrid work with regular on-site presence in Warsaw 📃 Skills: Java, JavaScript, REST, RESTAssured, Postman, Selenium, Selenide, Cypress, TestNG, JUnit, Cucumber, Appium, XCUITest, Gatling, JMeter, Git, CI/CD, Jira, Xray, JSON, OOP, SOLID, KISS 🏢 Description: co.brick talents — powered by AI, powered by people. We are seeking a technically mature Senior Test Automation Engineer to drive the quality assurance lifecycle, focusing heavily on backend/API validation (70%) while maintaining robust web and mobile frontend coverage (30%). In this role, you will go beyond executing standard test plans—you will architect and maintain scalable automated testing frameworks, integrate new performance or tooling proof-of-concepts, and actively mentor mid-level engineers. You will collaborate closely with cross-functional development squads to identify critical system paths, introduce stable quality gates, and champion software engineering best practices. Details Seniority: Senior (5+ years of commercial experience). Allocation: Full-time (1 FTE). Rate: Up to 120 PLN/h. Start Date: ASAP. Languages: English at a B2/C1 level (clear, effective communication across teams). Work Model & Location: Hybrid. Required on-site presence at the client's office in Warsaw, Poland for 1 day every two weeks (specifically Thursdays) , plus an additional 2–3 days on-site every 2–3 months for strategic planning sessions. Responsibilities Test Architecture & Strategy: Plan, design, and execute integration, system, usability, and End-to-End (E2E) testing suites. Support business units during User Acceptance Testing (UAT) phases. Backend & API Automation ($70\%$ Focus): Build and scale automated API test coverage, verifying data contracts, JSON payloads, and response structures. Frontend & Mobile Automation ($30\%$ Focus): Maintain and extend cross-browser web automation and native mobile testing workflows. CI/CD & Pipeline Quality Gates: Embed automated tests seamlessly into distribution pipelines, ensuring high availability, continuous validation, and rapid feedback loops. Performance Testing: Conduct load, stress, and scalability profiling to identify system bottlenecks. Leadership & Code Quality: Lead technical code reviews, promote engineering design patterns, run exploratory PoCs for fresh technologies, and mentor team members to foster a proactive engineering culture. Requirements Core Development Baseline Proficiency in Java and/or JavaScript (JS) . Strong understanding of clean code principles, OOP, SOLID , and KISS . Advanced Git workflow mastery and experience handling code reviews. API Testing & Automation Expert knowledge of REST Assured and Postman . Deep understanding of API response schemas and integration contract validation. Automation Frameworks & Ecosystem Web Front: Selenium / Selenide (primary web standard), Cypress , TestNG , JUnit , and Cucumber . Mobile: Appium and XCUITest . Test Management: Jira (highly preferred with Xray integration). Comprehensive expertise spanning the entire Software Development Life Cycle (SDLC). Performance & Pipelines Gatling (the primary performance testing tool within the organization). Expert control over CI/CD process chains and runner integration. Nice to have: JMeter . Soft Skills & Core Competencies Strong mentorship attitude with a natural drive to support and upscale peer engineers. Proactive mindset with excellent planning, prioritization, and analytical skills. High adaptability—comfortable managing context-switching in a dynamic environment.

🏢 Summary: The role involves designing and executing performance tests for web and PEGA applications using LoadRunner Enterprise, with a strong focus on scripting and analysis. The position requires expertise in API and microservices performance testing and monitoring system behavior under load. The tester will analyze bottlenecks, prepare performance reports, and collaborate with cross-functional teams to ensure application scalability and stability. 🗂️ Requirements: 4+ years of Performance Testing experience, Expertise in LoadRunner Enterprise (LRE), Hands-on experience with TrueClient scripting, Strong experience with HTTP/HTML scripting, Knowledge of API architecture, Knowledge of Microservices architecture, Experience in performance testing of PEGA applications, Ability to analyze performance bottlenecks, Experience with performance test design and reporting 📃 Skills: LoadRunner, LRE, TrueClient, HTTP, HTML, API, Microservices, PEGA, Dynatrace, AppDynamics, Splunk, Sysdig, Grafana, SQL, CI/CD 🏢 Description: Detailed description of work task to be carried out We are looking for an experienced Performance Tester with a minimum of 4+ years of hands-on experience in performance testing, with mandatory expertise in LoadRunner Enterprise (LRE). The ideal candidate should have strong knowledge of API and Microservices testing, along with scripting experience in TrueClient and HTTP/HTML protocols within LRE. Key Responsibilities: • Design, develop, execute, and maintain performance test scripts using LoadRunner Enterprise (LRE). • Create and enhance TrueClient and HTTP/HTML scripts for web-based applications. • Conduct performance, load, stress, endurance, and scalability testing. • Analyze application performance bottlenecks and provide tuning recommendations. • Work on API and Microservices performance testing, including service virtualization where required. • Monitor system performance using tools such as Dynatrace, AppDynamics, Splunk, Sysdig etc. • Prepare test plans, workload models, test scenarios, and performance reports. • Collaborate with Development, QA, Infra, and Business teams for issue resolution. • Handle performance testing for applications built on PEGA platform. Must-have knowledge and experience Mandatory Skills: • Minimum 4+ years of experience in Performance Testing. • Strong expertise in LoadRunner Enterprise (LRE). • Hands-on experience in TrueClient scripting. • Strong experience in HTTP/HTML scripting. • Good knowledge of API and Microservices architecture. • Experience in performance testing of PEGA applications. • Strong analytical and troubleshooting skills. Nice-to-have knowledge and experience Preferred Skills: • Knowledge of monitoring tools (Dynatrace, Sysdig, AppDynamics, Grafana, Splunk). • Experience with CI/CD integration for performance testing. • SQL knowledge for backend validation. • Good communication and stakeholder management skills. Possible locations: Gdańsk, Gdynia, Warsaw. Performance Tester (LoadRunner Enterprise / Pega Applications)