Performance Engineer

At LGT Digital Factory, we’re passionate about delivering world-class IT services and creating innovative digital solutions to support LGT’s Private Banking businesses. Our Story LGT Digital Factory was established in 2022 to secure the capabilities required to successfully execute the bank’s digitalisation strategy by creating and operating digital tools and user journeys to facilitate everyday interaction with their bank. We strive to drive meaningful innovation in the lives of LGT employees and clients, leveraging LGT's extensive experience and untapped potential. We aim to foster a motivating and flexible work culture that empowers growth, encourages creativity, and recognizes excellence. LGT Digital Factory (Spain) S.L. is a 100% subsidiary of LGT Private Bank Group in Liechtenstein, working exclusively for the LGT group companies. LGT Private Bank is the largest, privately owned international private banking institution focusing on wealth management services for high-net-worth individuals, families, and institutional clients. The bank is part of the LGT Group, a global financial services provider. Job Description We're looking for a motivated Performance Engineer with a passion for performance testing and optimization to join a dynamic team focused on delivering high-performing frontend solutions in a banking environment. 🎯 Responsibilities Regularly conduct performance, load, and stress tests on web applications to ensure compliance with defined SLAs. Analyze frontend performance using modern tools (such as Lighthouse, WebPageTest, Dynatrace) and browser developer tools. Identify performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements. Work closely with developers, testers, architects, and business stakeholders to integrate performance testing into CI/CD pipelines. Document test strategies, scenarios, and results, providing clear reporting for both technical and non-technical stakeholders. Contribute to building a performance-first culture by coaching teams and incorporating testing early in the development lifecycle. Monitor production environments with real-user monitoring (RUM) and synthetic testing solutions. Proactively identify risks and potential degradations in application performance. Support troubleshooting of performance-related incidents across multiple system layers. 🛠️ Requirements Bachelor’s degree in Computer Science, Information Technology, or a related field. 2–4 years of experience in performance testing, ideally in banking or financial services. Strong knowledge of performance testing tools (e.g., JMeter, Gatling, LoadRunner, k6). Experience with frontend monitoring frameworks and developer tools. Proficiency in scripting and test automation (JavaScript, Python, or similar). Familiarity with CI/CD environments (Jenkins, GitLab CI, Azure DevOps). Solid understanding of web technologies (HTML, CSS, JavaScript, React or Angular). Knowledge of performance optimization techniques (lazy loading, caching, CDN, minification). Understanding of backend/API dependencies and their impact on frontend performance. Experience with cloud and containerized environments (Docker, Kubernetes). Excellent communication and reporting skills, able to interact confidently with both technical and business teams. Strong problem-solving mindset, able to work independently and collaboratively in an international team. ➕ Nice to have Experience in the banking sector or with secure, regulated environments. Familiarity with synthetic monitoring and observability solutions (New Relic, AppDynamics, Elastic APM). Knowledge of accessibility, security, and compliance standards in frontend applications. Benefits & Perks 🏡Work from home 🎓Training budget 🕒Flexible schedule 🏥Health insurance 🍽Restaurant Ticket 🏋️Gym discount 🗣️Language lessons What drives us? - User-Centric Digital Transformation: Creating user-friendly digital solutions that put people first. - Technological Excellence: Using the latest technology to deliver the best outcomes. - Collaboration & Cross-Border Synergy: Building strong connections across teams and locations to achieve great results - Talent Acquisition & Growth: Empowering our people to develop their skills and achieve their potential. Apply to this job LinkedIn login required Cancel * I agree to JobFluent's Terms of Use and Privacy Policy Read full job description Read full job description LinkedIn login required * I agree to JobFluent's Terms of Use and Privacy Policy About LGT Digital Factory Website https://www.lgt.com/global-en Industry Banking Headquarters Barcelona, Spain Company Size 20-50 Founded 2022 English: At LGT Digital Factory, we’re passionate about delivering world-class IT services and creating innovative digital solutions to support LGT’s Private Banking businesses. Our Story: LGT Digital Factory was established in 2022 to secure the capabilities required to successfully execute the bank’s digitalisation strategy by creating and operating digital tools and user journeys to facilitate everyday interaction with their bank. We strive to drive meaningful innovation in the lives of LGT employees and clients, leveraging LGT's extensive experience and untapped potential. We aim to foster a motivating and flexible work culture that empowers growth, encourages creativity, and recognizes excellence. LGT Digital Factory (Spain) S.L. is a 100% subsidiary of LGT Private Bank Group in Liechtenstein, working exclusively for the LGT group companies. LGT Private Bank is the largest, privately owned international private banking institution focusing on wealth management services for high-net-worth individuals, families, and institutional clients. The bank is part of the LGT Group, a global financial services provider. What drives us? - User-Centric Digital Transformation: Creating user-friendly digital solutions that put people first. - Technological Excellence: Using the latest technology to deliver the best outcomes. - Collaboration & Cross-Border Synergy: Building strong connections across teams and locations to achieve great results - Talent Acquisition & Growth: Empowering our people to develop their skills and achieve their potential. Castellano: LGT Digital Factory SLU es una empresa fundada en 2024 en Barcelona, especializada en ofrecer servicios de desarrollo, consultoría, concepción e implementación en el ámbito de las tecnologías de la información y soluciones de software a medida. Como filial del Grupo LGT Private Bank, su objetivo es impulsar la digitalización del banco mediante la creación de herramientas digitales innovadoras y experiencias excepcionales para los clientes. La empresa valora la transformación digital centrada en el usuario, la excelencia tecnológica, la colaboración entre equipos y el crecimiento del talento. Work Methodology: LGT Digital Factory adopta una metodología de trabajo ágil y centrada en el usuario para desarrollar soluciones digitales innovadoras en el ámbito de la banca privada. Esta metodología se basa en la colaboración estrecha entre equipos multidisciplinarios y en la implementación de tecnologías de vanguardia. El enfoque ágil permite a la empresa adaptarse rápidamente a las necesidades cambiantes del mercado y de los clientes, fomentando la creatividad y la excelencia en cada proyecto. Además, LGT Digital Factory promueve una cultura de trabajo flexible y motivadora que empodera a sus empleados para desarrollar sus habilidades y alcanzar su máximo potencial. Other qa engineer / tester jobs that might interest you... Intern, QA Engineering at Bitpanda QA Engineer / Tester Fintech Software Testing QA Engineer / Tester Fintech Software Testing QA Engineer at Macadam QA Engineer / Tester Mobile Gaming Apps Typescript Test Automation React Native QA Engineer / Tester Mobile Gaming Apps Typescript Test Automation React Native QA Automation Engineer at Freightos QA Engineer / Tester Logistics Typescript Java Cypress Api Testing QA Engineer / Tester <a cl