ppOur client is committed to developing and operating modern, cloud-native applications with the primary goal of improving operational efficiency and delivering an outstanding user experience. /ppThe Digital Factory team acts as a strategic partner to implement state‑of‑the‑art IT solutions for clients and employees. To achieve this mission, the team collaborates closely with business units, IT departments, and third‑party vendors. /ppYou will work with cutting‑edge development tools and best‑in‑class DevOps processes. Together with a young and highly motivated team, you will build and manage high‑impact performance engineering solutions. /ph3YOUR CHALLENGE /h3pAre you excited to join an engineering team that systematically tests new and existing solutions? Do you have a natural curiosity to uncover bottlenecks and the technical skills to resolve them? Are you motivated to take ownership and help build high‑performing frontend solutions in a corporate environment? /ppWe are looking for a Performance Engineer focused on performance testing and optimization, who combines technical expertise with strong analytical skills and a passion for problem‑solving. In this role, you will: /ph3Performance Testing Optimization /h3ulliConduct performance, load, and stress tests on web applications to ensure compliance with defined SLAs. /liliIdentify performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements. /li /ulh3Collaboration Quality Assurance /h3ulliWork closely with developers, testers, architects,



and business stakeholders to integrate performance testing into CI/CD pipelines. /liliDocument test strategies, scenarios, and results with clear reporting for both technical and non‑technical audiences. /liliContribute to building a performance‑first culture by coaching teams and embedding testing early in the development lifecycle. /liliMonitor production environments using real‑user monitoring (RUM) and synthetic testing solutions. /liliProactively identify risks and potential degradations in application performance. /liliSupport troubleshooting of performance‑related incidents across multiple system layers. /li /ulh3YOUR PROFILE /h3h3Education Experience /h3ulliBachelor’s degree in Computer Science, Information Technology, or a related field. /lili2–4 years of experience in performance testing, ideally in banking or financial services. /li /ulh3Performance Engineering Expertise /h3ulliStrong knowledge of performance testing tools (e.g., JMeter, Gatling, LoadRunner, k6). /liliExperience with frontend monitoring frameworks and developer tools. /liliFamiliarity with CI/CD environments (Jenkins, GitLab CI, Azure DevOps). /liliSolid understanding of frontend‑oriented development, including:



/liliPerformance optimization techniques (lazy loading, caching, CDN, minification) /liliBackend/API dependencies and their impact on frontend performance /liliCloud and containerized environments (Docker, Kubernetes) /li /ulh3Nice‑to‑Have /h3ulliExperience in the banking sector or secure, regulated environments. /liliExposure to synthetic monitoring and observability solutions (New Relic, AppDynamics, Elastic APM). /liliKnowledge of accessibility, security, and compliance standards in frontend applications. /li /ulh3Communication Stakeholder Management /h3ulliExcellent communication and reporting skills, with the ability to interact confidently with both technical and business teams. /liliStrong problem‑solving mindset, capable of working independently and collaboratively in an international setup. /li /ulh3About Joppy /h3pJoppy is a technology recruitment platform built for developers by developers. /pp✅ No CV is required. Just say what you know and what you want. /pp✅ You choose who can talk to you. Companies cannot write to you until you accept their offer. /pp✅ Get rewarded if you get hired. /ppKeep an eye on tech job opportunities anonymously and find the job that makes you happy. /ph3Seniority level /h3pMid‑Senior level /ph3Employment type /h3pFull‑time /ph3Job function /h3pBusiness Development /ph3Industries /h3pTechnology, Information and Internet and Software Development /ppReferrals increase your chances of interviewing at Joppy by 2x /p /p #J-18808-Ljbffr

📌 Performance Engineer (Barcelona)
🏢 Joppy
📍 Barcelona