Senior Performance Tester

🏢 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 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)

🏢 Summary: Senior Performance Test Engineer role focused on building and integrating performance testing practices for digital fleet management platforms in an Agile environment. The position involves designing automated performance test strategies, analyzing system scalability and reliability, and embedding performance testing into CI/CD pipelines. Hybrid work model based in Warsaw. 🗂️ Requirements: 5+ years of experience in performance engineering or testing, Experience with LoadRunner, Experience with Apache JMeter, Experience with Gatling, Knowledge of performance testing methodologies, Knowledge of workload modeling, Knowledge of capacity planning, Experience analyzing application logs and system metrics, Experience identifying performance bottlenecks, Experience with Dynatrace, Experience with Elasticsearch, Experience integrating performance testing into CI/CD pipelines, Fluent Polish, Fluent English 📃 Skills: LoadRunner, JMeter, Gatling, Dynatrace, Elasticsearch, Grafana, Prometheus, CI/CD, APM, Agile 🏢 Description: We are looking for an experienced Senior Performance Test Engineer to join a dynamic Agile team responsible for developing and supporting digital fleet management platforms used across multiple countries. In this role you will ensure the scalability, reliability, and efficiency of our digital platforms throughout the entire software delivery lifecycle. You will collaborate closely with Product Teams, Cloud Engineering, and QA communities to embed performance best practices into delivery teams and support the industrialization and standardization of performance testing across the organization. The role is based in Warsaw and offers a hybrid working model. Your tasks Designing and implementing performance testing strategies aligned with product architecture Integrating performance testing into CI/CD pipelines to enhance delivery efficiency Defining performance acceptance criteria and non-functional requirements (NFRs) Developing and maintaining automated load, stress, endurance, and scalability test scenarios Analyzing application and infrastructure behavior under load to identify performance bottlenecks Collaborating with engineering teams to improve system scalability, resilience, and overall performance Defining, measuring, and monitoring key performance indicators (KPIs), including latency, throughput, response times, and resource utilization Partnering with Operations and Site Reliability Engineering (SRE) teams to validate system stability and production readiness Developing reusable test assets, datasets, CI/CD pipelines, and automation templates Requirements Minimum 5 years of experience in performance engineering or testing Hands-on experience with performance testing tools such as LoadRunner, Apache JMeter, and Gatling Strong understanding of performance testing methodologies, workload modeling, and capacity planning Experience analyzing application logs, system metrics, and identifying performance bottlenecks Familiarity with application performance monitoring (APM) tools such as Dynatrace and Elasticsearch Experience integrating performance testing into CI/CD pipelines is a strong advantage Fluent Polish and English Nice-to-have requirements Familiarity with Grafana and Prometheus

🏢 Summary: Senior Python Developer role focused on building and maintaining automation frameworks and test solutions using Python and Robot Framework in a CI/CD environment. The position involves developing automated scripts, executing API and regression tests, integrating with Jenkins pipelines, and optimizing workflows with AI-driven solutions. Hybrid work model with office presence in Gdańsk or Warsaw. 🗂️ Requirements: Proficiency in Python for automation and production-grade services, Experience designing automation frameworks, especially Robot Framework, Strong knowledge of CI/CD pipelines and Jenkins, Experience with Git-based workflows and DevOps practices, Solid background in SQL, Hands-on experience with Selenium, Experience with PowerBI, Ability to write Gherkin scenarios, Experience implementing AI-driven testing solutions, Experience with qTest or similar test management tools, Experience in API testing and automated regression testing 📃 Skills: Python, RobotFramework, CICD, Jenkins, DevOps, Git, SQL, Selenium, PowerBI, Gherkin, AI, qTest, API, Regression, Automation 🏢 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 Python Developer Hybrid work model - 3x per week work from the office - Gdańsk or Warsaw Responsibilities: Developing automation scripts using Robot Framework and Python Implementing automated solutions for daily data handling tasks and prepare test data Planning and executing tests, alongside analysing test results and reporting defects Running automated regression tests as part of the CI/CD process while using Jenkins Performing API testing and expand test coverage Optimizing workflows with AI tools to increase efficiency and maintainability of a solution delivered from business demand to working application Partnering with business stakeholders, data users and solution architects while anticipating and addressing business demands Requirements: Proficiency in Python for reliable, testable services and automation supporting production systems Experience in designing automation frameworks – Robot framework in particular Solid understanding of CI/CD pipelines, Jenkins, DevOps including automated build, test, and deployment using Git-based workflows Established background in SQL, Selenium, Power BI Hands-on experience in writing Gherkin scenarios Implementing AI-driven solutions to optimize testing workflows Experience with test management tools such as qTest Strong independent work ethic with superior organizational skills Very good command of English, both spoken and written Nice to have: Have exposure to data warehouse principles Have experience with database technologies Are acquainted with or willing to learn data modeling Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Hybrid Senior IT Automation Tester role focused on ensuring product quality through automated and manual testing in a Scrum environment. The position involves API and UI testing, designing and executing test cases, and building automated test suites using Python and Robot Framework. The role also includes working with modern DevOps tools to support continuous integration and delivery processes. 🗂️ Requirements: Experience with RESTful API testing, Experience with UI testing, Strong Python skills for test automation, Hands-on experience with Robot Framework, Experience with Jenkins, Experience with Git, Experience with Docker, Experience with Kubernetes, Knowledge of QA processes, ISTQB Foundation knowledge 📃 Skills: Python, Robot, REST, API, UI, Jenkins, Git, Docker, Kubernetes, DevOps, ISTQB, Scrum, Testing 🏢 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 IT Automation Tester Praca hybrydowa : 3 dni pracy z biura ( Warszawa, Gdańsk, Gdynia ) Responsibilities: Work closely in a scrum team with developers, analysts and stakeholders to ensure high quality of delivered products Test and validate Restful APIs Test and validate UI of Developer Portal Analyse requirements from testing point of view Test cases planning, design and execution Build and maintain automated test suites using Python and Robot Framework Provide test results Participate in testing team activities and contribute to organizational quality initiatives Requirements: Proven experience with RESTful API testing tools and methodologies Experience with UI testing Strong Python programming skills for test development Hands-on expertise with Robot Framework automation Familiarity with modern DevOps tools (Jenkins, Git, Docker, K8s) ISTQB Foundation Level knowledge (or equivalent practical experience) Knowledge of QA processes (both manual and automated) Excellent communication skills in English (spoken and written) Nice to have: Growth mindset with passion for continuous learning and improvement Team player who actively contributes to collective success and efficiency improvements Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior DevOps Engineer responsible for designing, implementing, and maintaining CI/CD pipelines and infrastructure automation in a hybrid work model. The role focuses on containerized environments, Kubernetes operations, and supporting development teams in delivering data-driven solutions. The position involves hands-on automation, troubleshooting, and improving deployment processes in Agile international teams. 🗂️ Requirements: Strong experience as DevOps Engineer, Hands-on experience with CI/CD pipelines, Experience with Jenkins or other automation tools, Experience with Terraform, Experience with Ansible, Strong knowledge of Linux environments, Scripting skills in Shell, Basic programming skills in Python, Basic programming skills in Groovy, Experience with Git, Experience with Kubernetes, Experience supporting development teams building data solutions, Experience working in Agile environments, Fluent English 📃 Skills: Jenkins, JobDSL, Groovy, Terraform, Ansible, Shell, Python, Docker, Kubernetes, Git, Bitbucket, Linux 🏢 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 DevOps Engineer Hybrid work model - 3x a week - Gdańsk, Gdynia, Warsaw, Łódź Responsibilities: Develop and maintain CI/CD pipelines using Jenkins (JobDSL, Groovy) Design and implement infrastructure automation using Terraform and Ansible Develop and maintain automation scripts using Shell and Python Build and maintain utilities supporting CI/CD pipelines, developers, and QA engineers Support development of container-based solutions (Docker, Kubernetes) Act as a technical contact point for DevOps-related topics with external teams Support and develop applications enabling AI adoption in the Data domain Troubleshoot and resolve deployment and runtime issues in Kubernetes environments Monitor and improve deployment processes and system stability Provide knowledge sharing and DevOps best practices through trainings, demos, and presentations Support developers and testers in automation and delivery processes Requirements: Strong experience as DevOps Engineer, with focus on CI/CD pipelines Hands‑on experience with: Jenkins (or other automation tools), Terraform and Ansible Strong knowledge of Linux environments and scripting Experience working with: Git (Bitbucket or similar) and Kubernetes (basic container orchestration) Basic programming skills in: Python and Groovy Experience supporting development teams building data solutions Experience working in Agile environments with international teams Strong communication skills and team-oriented mindset Fluent English (spoken and written) Nice to have: Experience with: Kafka, Apache Airflow, AWS, Hadoop, Apache Spark, SonarQube, PostgreSQL and Tekton Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The role focuses on designing, developing, and maintaining automated testing solutions for complex systems, with strong emphasis on Python and Robot Framework. The engineer will plan and execute test activities, integrate automated regression tests into CI/CD pipelines, and improve testing processes. The position combines hands-on test automation, database work, and collaboration within cross-functional teams in a hybrid work model. 🗂️ Requirements: 5+ years of professional experience in Python development, 5+ years of experience with database technologies, 5+ years of experience using Git, 3+ years of hands-on experience with Robot Framework, 3+ years of experience with CI/CD tools (e.g. Jenkins), Strong experience with Linux environments, Proficiency in Bash scripting, Experience in test planning, execution, automation, and defect management, Experience with test management tools (e.g. qTest, Zephyr), Experience with Jenkins or Bamboo, Jira, Bitbucket 📃 Skills: Python, RobotFramework, SQL, Git, Jenkins, Bamboo, Linux, Bash, CI/CD, Jira, Bitbucket, qTest, Zephyr, Docker, Kafka, IBMMQ 🏢 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 Software Development Engineer in Test 3 days in the office per week + 2 days remote work Responsibilities: Perform requirements analysis and challenge requirements when they are unclear or incomplete Prepare test scenarios and test cases Prepare and manage test data Develop and maintain test automation scripts using Robot Framework and Python Implement automated solutions supporting day‑to‑day tasks Plan and execute test activities Analyze test results and report defects Execute automated regression tests as part of CI/CD pipelines Identify and implement improvements in daily processes, tasks, and challenges Requirements: 5+ years of professional experience developing in Python 5+ years of experience working with database technologies 5+ years of experience using Git 3+ years of hands‑on experience with Robot Framework 3+ years of experience working with CI/CD tools (e.g. Jenkins) Strong practical experience with Linux environments and Bash scripting Solid experience in test planning, execution, automation, and defect management Experience with test management tools such as qTest or Zephyr Hands‑on experience with tools such as Jenkins or Bamboo, Jira, and Bitbucket Strong analytical thinking and problem‑solving skills Confidence to challenge inefficient solutions and processes, with the ability to propose improved alternatives Excellent communication skills and ability to collaborate effectively with cross‑functional teams Nice to have: Experience with Docker or other containerization technologies Knowledge of streaming and messaging systems (e.g. Kafka, IBM MQ) Working knowledge of DevOps practices and ways of working Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 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.