Senior Performance Engineer

LGT Digital Factory
Barcelona, Spain
7 days ago
Apply on www.buscojobs.com.es
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
5 years minimum
Working hours
Regular working hours

Tech stack

HTML JavaScript (Programming Language) Application Programming Interfaces (APIs) Automation of Tests Microsoft Azure Cascading Style Sheets (CSS) Continuous Integration DevOps Programming Tools HP Loadrunner Apache JMeter Python (Programming Language)
+21 more
Performance Tuning Strategies of Testing Web Applications Scripting Performance Testing ReactJS Gatling Caching Backend Containerization AngularJS Gitlab-ci Kubernetes Information Technology Optimization Algorithms Front End Software Development New Relic (SaaS) Appdynamics Dynatrace Docker Jenkins

Job description

At LGT Digital Factory we are searching for Performance Engineer for our Barcelona Office.¿Quiere enviar su solicitud?Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.WHAT CAN YOU EXPECT?LGT is committed to developing and operating modern and cloud native applications with the primary goal of enhancing operational efficiency and creating great client experience.LGT Digital Factory (DiF) acts as a strategic nearshore partner to implement state-of-the-art client and employee IT front ends.To fulfill this mission, we interact closely with LGT business and IT units and third-party vendors.You can expect state-of-the-art development tools and best-in-class DevOps processes.Together with a young, highly motivated team you will build and run the DiF Windtunnel for performance engineering.YOUR CHALLENGEAre you excited about joining our engineering team (we call it Windtunnel) that helps the bank to systematically test existing and new solutions?Do you have a natural curiosity to uncover bottlenecks and the technical skillset to resolve them?Are you motivated to take ownership and contribute to building high-performing frontend solutions in a banking environment?We are looking for a Performance Engineer with focus on performance testing and optimization who combines technical expertise with strong analytical skills and a passion for problem-solving.In this role, you will:Performance Testing & OptimizationRegularly conduct performance, load, and stress tests on web applications to ensure compliance with defined SLAs.Analyze frontend performance using modern tools (e.G., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration & Quality AssuranceOwn and lead the Windtunnel as a recurring engagement program.Manage and prioritize the team’s workload, incident support and ad hoc requests across teams.Work closely with developers, testers, architects, and business stakeholders to integrate performance testing into CI/CD pipelines.Document test strategies, scenarios, and results with clear reporting tailored to both technical and non-technical stakeholders.Drive adoption of a performance-first culture by coaching teams and embedding testing early in the development lifecycle.Monitoring & TroubleshootingMonitor production environments using real-user monitoring (RUM) and synthetic testing solutions.Proactively identify risks and potential degradations in application performance.Lead the resolution of performance-related incidents across multiple system layers, coordinating cross-functional teams to drive timely fixesYOUR PROFILETo be successful in this role, you should have:Education & ExperienceBachelor’s degree in Computer Science, Information Technology, or a related field.5+ years of experience in performance testing, ideally in banking or financial services.Performance Engineering ExpertiseStrong 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).Hands-on experience with CI/CD environments (Jenkins, GitLab CI, Azure DevOps).Solid understanding of frontend-oriented development, includingWeb technologies (HTML, CSS, JavaScript, React/Angular).Performance optimization techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend performance.Cloud and containerized environments (Docker, Kubernetes).Synthetic monitoring and observability solutions (New Relic, AppDynamics, Elastic APM).Nice-to-HaveExperience in the banking sector or with secure, regulated environments.Knowledge of user experience design, accessibility, security, and compliance standards in frontend applications.Communication & Stakeholder ManagementExcellent communication and reporting skills, with the ability to interact confidently with both technical and business teams.Strong problem-solving mindset, capable of working independently and collaboratively in an international setup.About LGT Digital FactoryLGT Digital Factory was initiated as a project in ** to drive the digital transformation of LGT Private Bank by designing and managing innovative digital tools and seamless user experiences.Our mission is to simplify and enhance how clients interact with the bank in their day-to-day activities.As a wholly owned subsidiary of LGT Private Bank Group, LGT Digital Factory (Spain) S.L. operates exclusively for the group’s companies.LGT Private Bank, headquartered in Liechtenstein, is the largest privately-owned international private banking institution, specializing in wealth management services for high-net-worth individuals, families, and institutional clients.Together, we form part of the LGT Group, a global leader in financial services.xqysrnhIf you’re looking to contribute to meaningful digital innovation within a respected and globally connected organization, LGT Digital Factory offers a unique opportunity to make an impact.

Requirements

Do you have a natural curiosity to uncover bottlenecks and the technical skillset to resolve them? Are you motivated to take ownership and contribute to building high-performing frontend solutions in a banking environment? We are looking for a Performance Engineer with focus on performance testing and optimization who combines technical expertise with strong analytical skills and a passion for problem-solving. In this role, you will:Performance Testing & OptimizationRegularly conduct performance, load, and stress tests on web applications to ensure compliance with defined SLAs.Analyze frontend performance using modern tools (e.G., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration & Quality AssuranceOwn and lead the Windtunnel as a recurring engagement program.Manage and prioritize the team’s workload, incident support and ad hoc requests across teams.Work closely with developers, testers, architects, and business stakeholders to integrate performance testing into CI/CD pipelines.Document test strategies, scenarios, and results with clear reporting tailored to both technical and non-technical stakeholders.Drive adoption of a performance-first culture by coaching teams and embedding testing early in the development lifecycle.Monitoring & TroubleshootingMonitor production environments using real-user monitoring (RUM) and synthetic testing solutions.Proactively identify risks and potential degradations in application performance.Lead the resolution of performance-related incidents across multiple system layers, coordinating cross-functional teams to drive timely fixesYOUR PROFILETo be successful in this role, you should have:Education & ExperienceBachelor’s degree in Computer Science, Information Technology, or a related field.5+ years of experience in performance testing, ideally in banking or financial services.Performance Engineering ExpertiseStrong 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). Hands-on experience with CI/CD environments (Jenkins, GitLab CI, Azure DevOps). Solid understanding of frontend-oriented development, includingWeb technologies (HTML, CSS, JavaScript, React/Angular). Performance optimization techniques (lazy loading, caching, CDN, minification). Backend/API dependencies and their impact on frontend performance.Cloud and containerized environments (Docker, Kubernetes). Synthetic monitoring and observability solutions (New Relic, AppDynamics, Elastic APM). Nice-to-HaveExperience in the banking sector or with secure, regulated environments.Knowledge of user experience design, accessibility, security, and compliance standards in frontend applications.Communication & Stakeholder ManagementExcellent communication and reporting skills, with the ability to interact confidently with both technical and business teams.Strong problem-solving mindset, capable of working independently and collaboratively in an international setup.About LGT Digital FactoryLGT Digital Factory was initiated as a project in ** to drive the digital transformation of LGT Private Bank by designing and managing innovative digital tools and seamless user experiences.

About the company

At LGT Digital Factory we are searching for Performance Engineer for our Barcelona Office. ¿Quiere enviar su solicitud? Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.WHAT CAN YOU EXPECT? LGT is committed to developing and operating modern and cloud native applications with the primary goal of enhancing operational efficiency and creating great client experience.LGT Digital Factory (DiF) acts as a strategic nearshore partner to implement state-of-the-art client and employee IT front ends., Our mission is to simplify and enhance how clients interact with the bank in their day-to-day activities.As a wholly owned subsidiary of LGT Private Bank Group, LGT Digital Factory (Spain) S.L. operates exclusively for the group’s companies. LGT Private Bank, headquartered in Liechtenstein, is the largest privately-owned international private banking institution, specializing in wealth management services for high-net-worth individuals, families, and institutional clients. Together, we form part of the LGT Group, a global leader in financial services. xqysrnhIf you’re looking to contribute to meaningful digital innovation within a respected and globally connected organization, LGT Digital Factory offers a unique opportunity to make an impact.

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