Senior Non-Functional Quality Engineering Lead

We are FIS Our technology powers the world’s economy, and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients, and communities. If you’re ready to learn, grow, and make an impact with a career in fintech, we’d like to know: Are you FIS? 🔹 About the Role As a Non‑Functional Engineer Lead, Quality, you will lead the strategy and execution of performance, reliability, and resilience engineering for enterprise‑grade applications. You’ll ensure systems meet demanding non‑functional requirements for scale, availability, and security within a regulated payments environment. Success in this role is measured by predictable performance, high availability, and production stability across complex distributed systems. 📍 Location: Warsaw, Poland 🔹 What You Will Be Doing Lead non‑functional quality strategy across performance, scalability, resilience, and availabilityDesign and execute performance, load, stress, and endurance testingAnalyze system behavior using monitoring and observability toolsPartner with engineering and architecture teams to embed quality early in the SDLCDrive performance optimization across Java applications, databases, and middlewareEstablish CI‑driven quality gates using automated functional and non‑functional testsValidate applications across application servers and containerized environmentsTroubleshoot complex production issues and lead root‑cause analysisMentor engineers on non‑functional testing practices and quality standards 🔹 Required Qualifications Extensive hands‑on experience in application development and quality engineeringStrong expertise in Java (JDK 8/17), JEE, Maven, Hibernate, EJB, MQ, SQL, REST, XML/XSD, JSONProven experience monitoring and analyzing application performanceAdvanced skills in performance, high‑availability, and resilience testingExperience with CI/CD pipelines and automated test frameworks (e.g., Jenkins)Knowledge of application servers (WebSphere, WebLogic, JBoss, Open Liberty)Strong database experience with Oracle or PostgreSQL, including performance tuningProficiency in Linux‑based and containerized environments 🔹 Preferred Qualifications Experience with Docker and Kubernetes in productionKnowledge of Kafka or event‑driven architecturesExperience in payments domains (e.g., SEPA, SWIFT)Advanced REST API design and optimization skillsDeep PostgreSQL performance and scalability expertise 🔹 What We Offer You Opportunities to make an impact in fintechPersonal and professional learningAn inclusive, diverse work environmentResources to give back to your communityCompetitive salary and benefits “FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is 175,900.00 - 281,440.00 PLN Annual and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.”