Senior Performance Engineer

🏢 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: The role involves designing and developing Java-based tools and frameworks to support functional and performance testing within a QA team. It focuses on building automated solutions, improving testing efficiency, and contributing to software design, performance analysis, and code quality. The position also includes collaboration, technical documentation, and mentoring junior engineers. 🗂️ Requirements: 5+ years of software development experience, Strong proficiency in Java, Experience with SpringBoot, Experience with JPA and Hibernate, Experience building RESTful services, Knowledge of relational databases (DB2 or PostgreSQL), Strong understanding of Object-Oriented Programming, Understanding of Concurrent Programming, Experience with Git version control, Ability to write unit tests and conduct code reviews, English proficiency 📃 Skills: Java, SpringBoot, JPA, Hibernate, REST, DB2, PostgreSQL, SQL, OOP, Concurrency, Git, JUnit, Kafka, CQRS, Docker, Kubernetes 🏢 Description: Java Developer Role Overview Design and develop tooling to support functional and performance testing within the QA team. Implement automated solutions that improve testing efficiency and reliability. Provide hands-on development of test frameworks, utilities, and performance test tooling. Technical Skills Required 5+ years of development experience Proficiency in Java, SpringBoot, JPA, Hibernate, RESTful services Knowledge of relational databases (DB2/PostgreSQL) Good understanding of Object-Oriented and Concurrent Programming Solid experience with version control systems (preferred GIT) Language: English Bonus: Knowledge of event streaming, CQRS, Kafka, Docker/Kubernetes High-Level Task Assignment Perform hands-on software design and development. Investigate performance issues, support root-cause analysis, and collaborate on improvements. Write unit tests and perform peer design/code reviews. Provide technical solutions to complex problems and write technical documents. Work closely with requirements engineers to estimate and developed to quality products. Mentor and help grow junior members of the engineering team.

🏢 Summary: Senior QA Tester role focused on functional and automated testing of legacy enterprise Java applications, ensuring quality, performance, and regression control. The position involves building automated test suites, defining risk-based testing strategies, and supporting modernization and migration efforts. Close collaboration with development teams to implement robust testing frameworks and performance validation is required. 🗂️ Requirements: Proven experience testing enterprise Java applications (JSP, Spring, Spring Boot), Experience with functional and automated testing, Ability to define and execute risk-based testing strategies, Practical API testing experience, Hands-on web test automation experience, Proficiency in writing Gherkin/Cucumber scenarios, Experience in performance and load testing analysis, Experience with legacy systems and reverse-engineered test scenarios, Experience implementing migration or modernization test strategies, Ability to document application behavior and define acceptance criteria 📃 Skills: Java, JSP, Spring, SpringBoot, Selenium, Playwright, Postman, Newman, REST, Gherkin, Cucumber, Jira, WebLogic, CI/CD 🏢 Description: Introduction & Summary We are seeking a Senior QA tester who has a strong focus on functional and automated testing. Main Responsibilities The primary responsibility involves quality assurance across legacy applications, ensuring both functional and performance metrics align with expectations. Key tasks include: Monitoring and reporting on quality regression. Building and maintaining automated and functional tests for legacy applications. Collaborating with product development QA resources to implement testing strategies. Conducting performance testing and reviewing outputs. Working closely with product development teams to create test harnesses. Utilizing QA tools like Gherkin, Selenium, and Jira. Engaging with various service and application development teams effectively. Key Requirements - Proven experience in testing enterprise Java applications (JSP, Spring/Spring Boot). - Ability to define and execute risk-based testing strategies. - Practical experience with Postman/Newman/REST Assured for API testing. - Hands-on experience with Playwright/Selenium for web testing. - Proficient in writing Gherkin/Cucumber test scenarios. - Expertise in performance and load testing analysis. - Experience with legacy frameworks requiring reverse-engineered test scenarios. - Proficient in migration/modernization test strategy implementation. - Ability to document application behavior and define acceptance criteria. Nice to Have - Familiarity with WebLogic to Java Enterprise Application Server differences. - Experience testing legacy Java frameworks that have been modernized. - Knowledge of CI/CD integration for testing. Other Details This role works under a hybrid model and requires this consultant to be onsite 2 days a week in the clients office in Dublin 2.

🏢 Summary: Senior QA Tester role focused on functional and automated testing of legacy enterprise Java applications, ensuring quality, regression control, and performance standards. The position involves building automated test frameworks, executing risk-based testing strategies, and supporting modernization and migration initiatives. The role also includes API, web, and performance testing in collaboration with development teams. 🗂️ Requirements: Proven experience testing enterprise Java applications (JSP, Spring, Spring Boot), Experience defining and executing risk-based testing strategies, Hands-on API testing experience, Hands-on web automation testing experience, Proficiency in writing Gherkin/Cucumber test scenarios, Experience in performance and load testing analysis, Experience testing legacy systems and reverse-engineering test scenarios, Experience implementing migration and modernization test strategies, Ability to document application behavior and define acceptance criteria 📃 Skills: Java, JSP, Spring, SpringBoot, Selenium, Playwright, Gherkin, Cucumber, Postman, Newman, RESTAssured, Jira, WebLogic, CI/CD 🏢 Description: Introduction & Summary We are seeking a Senior QA tester who has a strong focus on functional and automated testing. Main Responsibilities The primary responsibility involves quality assurance across legacy applications, ensuring both functional and performance metrics align with expectations. Key tasks include: Monitoring and reporting on quality regression. Building and maintaining automated and functional tests for legacy applications. Collaborating with product development QA resources to implement testing strategies. Conducting performance testing and reviewing outputs. Working closely with product development teams to create test harnesses. Utilizing QA tools like Gherkin, Selenium, and Jira. Engaging with various service and application development teams effectively. Key Requirements - Proven experience in testing enterprise Java applications (JSP, Spring/Spring Boot). - Ability to define and execute risk-based testing strategies. - Practical experience with Postman/Newman/REST Assured for API testing. - Hands-on experience with Playwright/Selenium for web testing. - Proficient in writing Gherkin/Cucumber test scenarios. - Expertise in performance and load testing analysis. - Experience with legacy frameworks requiring reverse-engineered test scenarios. - Proficient in migration/modernization test strategy implementation. - Ability to document application behavior and define acceptance criteria. Nice to Have - Familiarity with WebLogic to Java Enterprise Application Server differences. - Experience testing legacy Java frameworks that have been modernized. - Knowledge of CI/CD integration for testing. Other Details This role works under a hybrid model and requires this consultant to be onsite 2 days a week in the clients office in Dublin 2.

🏢 Summary: Senior technical role leading the design, optimization, and delivery of core business applications within a large IT transformation program. The position focuses on Java-based microservices, cloud and DevOps adoption, and collaboration with architecture and infrastructure teams. It combines hands-on development expertise with technical leadership across strategic platforms. 🗂️ Requirements: 6+ years of experience with Java microservices, Strong experience with JEE and Spring Boot, Experience in API and REST development, Proficiency in Kubernetes, Proficiency in Python, Experience with cloud migration projects, Hands-on experience with Oracle Database and WebLogic, Experience with messaging systems such as IBM MQ or WebSphere, Knowledge of IT security standards, Understanding of functional and technical architecture principles, Fluency in English 📃 Skills: Java, JEE, SpringBoot, REST, API, Microservices, Kubernetes, Python, Oracle, WebLogic, IBMMQ, WebSphere, DevOps, Agile, CloudMigration, Architecture, Security 🏢 Description: Key Responsibilities: Technical Leadership: Provides expert technical guidelines and support to IT analysts and development teams. Application Optimization: Identifies improvement and optimization opportunities for major core business applications. Strategic Delivery: Contributes to the delivery of high-priority projects within core business platforms. Infrastructure Collaboration: Partners with Architects, Security, and Infrastructure teams to design and evolve technical solutions. IT Transformation: Drives the adoption of DevOps, Agile methodologies, and AI readiness as part of broader group transformation programs. Technical Requirements: Java Expertise: Over 6 years of experience with Java microservices, JEE, Spring Boot, and API/REST development. Cloud & DevOps: Proficiency in Kubernetes and Python, with cloud migration expertise and DevOps knowledge listed as significant advantages. Data & Middleware: Experience with Oracle components (Database, WebLogic) and messaging flows such as IBM MQ or WebSphere. Standards & Architecture: Deep awareness of IT security standards, quality metrics, and functional/technical architecture principles. Professional Skills: Fluency in English with the ability to present complex technical topics to senior stakeholders.

🏢 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: Hybrid Java Technical Specialist role focused on supporting and enhancing Java-based server applications for business-critical label management solutions. Responsibilities include application deployment, upgrades, troubleshooting, production support, SSL/TLS and PKI configuration, and administration of Payara, Apache Tomcat, and Loftware Spectrum environments. The position requires hands-on experience with Java application support and enterprise server environments. 🗂️ Requirements: 3+ years of experience in application support or technical specialist roles, Experience supporting Java-based applications, Hands-on experience with Apache Tomcat, Hands-on experience with Payara Server, Experience with Loftware Spectrum, Knowledge of Java, Knowledge of JavaScript, Knowledge of ECMAScript, Understanding of SQL, Experience with database configurations, Exposure to DerbyDB, Experience implementing SSL and TLS, Experience handling PKI certificates 📃 Skills: Java, JavaScript, ECMAScript, SQL, Tomcat, Payara, Loftware, Spectrum, DerbyDB, SSL, TLS, PKI 🏢 Description: Summary The role of Java Technical Specialist is integral to the support and enhancement of Java-based server applications used in business-critical label management solutions. The main goal is to ensure operational continuity, performance, and reliability of these applications. Location: Pune Mode: Hybrid Main Responsibilities: Perform application installation, configuration, and environment setup across enterprise environments. Manage deployments and runtime configurations on Payara and Apache Tomcat application servers. Execute application version upgrades and Java upgrades, ensuring compatibility and minimal disruption. Troubleshoot deployment/configuration issues and coordinate fixes with internal teams. Provide L2/L3 production support ensuring business continuity. Conduct root cause analysis (RCA) for recurring/high-impact issues. Support administration and troubleshooting of application server environments. Implement and maintain SSL/TLS configurations and support PKI certificate handling processes. Provide operational and technical support for the Loftware Spectrum application. Partner with IT Services, business users, and vendors for incident management. Create and maintain operational documentation such as runbooks and knowledge articles. Key Requirements: Minimum 3+ years of experience in application support / technical specialist roles supporting Java-based applications. Hands-on experience with Apache Tomcat and/or Payara Server. Experience with Loftware Spectrum. Knowledge of Java and scripting using JavaScript / ECMAScript. Understanding of SQL and database configurations (including DerbyDB exposure). Experience implementing/supporting SSL, TLS, and PKI certificates. Nice to Have: Certifications (e.g., Java, ITIL, security/certificates). Exposure to production support practices including incident management and RCA.

🏢 Summary: The offer is for a Java Developer responsible for analyzing requirements, designing and implementing new functionalities, and maintaining existing systems in the insurance domain. The role involves end-to-end participation in software development, including testing, documentation, and code quality assurance within a collaborative team environment. 🗂️ Requirements: Practical knowledge of Java, Basic knowledge of JEE, Basic knowledge of relational databases, Basic knowledge of SQL (Oracle), Knowledge of object-oriented analysis, Basic knowledge of Linux 📃 Skills: Java, JEE, SQL, Oracle, Linux, OOP 🏢 Description: Main responsibilities: Analysis of client requirements Designing new solutions and functionalities Implementation of new solutions Maintenance of existing features Ensuring the quality of developed and maintained code Testing developed solutions Documenting implemented solutions Sharing knowledge across the team and participating in code reviews Continuous collaboration with other team members Our requirements: Practical knowledge of the Java programming language Basic knowledge of JEE Basic knowledge of relational databases and SQL (Oracle) Knowledge of object-oriented analysis Basic knowledge of the Linux operating system English language skills required for communication and working with technical documentation Good communication and collaboration skills Fluent Polish language skills Nice to have: Proven experience with Spring Boot, RESTful API design and JWT authentication Proven experience with Angular frontend Advanced knowledge of Linux operating system German language skills We offer: Opportunity to work on various phases of software projects, including analysis, design, implementation, integration, testing, and troubleshooting Work with a friendly and supportive development team Flexible working hours Stable employment German language course Private medical care with the option to extend coverage to family members Group insurance Holiday subsidy No dress code About us: We maintain and develop existing and new management systems and IT systems for insurance companies.

🏢 Summary: The offer is for a QA Automation Engineer responsible for building and maintaining automated test frameworks using Java and BDD tools. The role focuses on ensuring quality across the SDLC through API, event stream, and database testing integrated with CI/CD pipelines. It involves close collaboration with developers in an Agile environment to drive effective test strategies and defect analysis. 🗂️ Requirements: Strong Java coding skills for test automation, Experience with Selenium/WebDriver, Experience with Cucumber and BDD, Familiarity with API testing, Familiarity with Kafka event testing, Familiarity with database validation (JPA), Expertise in test strategy and defect analysis, Experience working in Agile environments, Exposure to AI-assisted testing tools 📃 Skills: Java, Selenium, WebDriver, Cucumber, BDD, REST, Kafka, JPA, Splunk, CICD, Copilot 🏢 Description: Responsibilities: Define, implement, and maintain automated test frameworks (BDD/Cucumber) Advocate and enforce quality standards across delivery stages Work closely with developers and the Product Owner to ensure clear understanding and early detection of defects Contribute to the design of testing strategies, integrating with CI/CD pipelines to deliver quality at speed Develop and maintain automated scripts using Java 21, Selenium, and Cucumber Drive BDD practices by defining feature files and reviewing tests for clarity and correctness Perform negative, exploratory, and regression testing Test REST APIs, Kafka event streams, and DB persistence (JPA) Use tools like Splunk for log analysis and provide insights to the team Requirements: Strong Java coding skills (preferably Java 21) for automation with Selenium/WebDriver Proven experience with Cucumber for BDD Familiarity with API testing, Kafka, DB validation Expertise in test strategy and defect analysis in complex systems Comfortable in Agile environments and working closely with developers Exposure to AI-assisted testing tools (e.g., GitHub Copilot) Nice to have: Basic Docker skills for execution in containerized environments Understanding of Sonar for code quality insights Familiarity with Liquibase for DB change control Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Test Automation Engineer responsible for developing and maintaining automated test solutions to ensure high-quality software delivery. The role focuses on building and improving test frameworks, managing test data, executing and analyzing tests, and supporting defect resolution within Agile/SAFe environments. 🗂️ Requirements: Minimum 3 years of experience in test automation development, Hands-on experience with Selenium, Hands-on experience with REST Assured, Strong Java programming skills, Experience with XML, CSV, JSON, Ability to write and optimize SQL queries, Knowledge of software testing standards and best practices, Experience with Git, Experience with CI/CD tools, Understanding of SDLC, Experience in Agile or SAFe environments, English level B2 or higher 📃 Skills: Java, Selenium, RESTAssured, XML, CSV, JSON, SQL, Git, Jenkins, CICD, Agile, SAFe, SDLC 🏢 Description: Your responsibilities: Develop and maintain automated test cases, including improvements to existing test frameworks Prepare, collect, and manage test data required for testing processes Monitor, analyze, and document test execution results Identify defects and support debugging activities Proactively increase test coverage Collaborate with development and QA teams to ensure high-quality software delivery Participate in the software development process following Agile/SAFe methodologies Our requirements: Minimum 3 years of experience in developing and maintaining test automation solutions Hands-on experience with Selenium and REST Assured frameworks Strong Java programming skills Experience working with various data formats (XML, CSV, JSON) Ability to write and optimize SQL queries Knowledge of software testing standards and best practices Experience with version control systems (Git) Familiarity with CI/CD tools (e.g., Jenkins) Understanding of the Software Development Lifecycle (SDLC) Experience working in Agile / SAFe environments Good command of English (minimum B2 level)