We are looking for an experienced Load and Performance Architect / Gen AI SME – Performance Testing & Engineering based in Barcelona, Spain, with strong expertise in Performance Testing, Performance Engineering, Gen AI, LLMs, and AI-driven automation.
The role will involve leading performance testing and engineering initiatives, identifying opportunities to leverage Generative AI for automation and optimization, and designing scalable AI-powered solutions to improve testing efficiency and application performance. Location: Barcelona, Spain Work Model: Hybrid (2–3 days onsite per week) Start Date: 1st December 2026 Contract Duration: 12 months Experience: 12+ years Language: English mandatory; Spanish is a plus Key Responsibilities Lead and oversee end-to-end Performance Testing and Engineering activities across complex enterprise applications.
Assess existing performance testing processes and identify opportunities for optimization using Gen AI and automation.
Design and implement Gen AI-powered solutions, AI Agents, and LLM-based automation for performance testing, analysis, and reporting.
Define performance testing strategies, frameworks, and best practices.
Architect scalable Gen AI solutions and integrate them with existing engineering workflows.
Conduct performance monitoring, bottleneck analysis, troubleshooting, and application optimization.
Collaborate with development, infrastructure, and business teams to ensure performance requirements are met.
Provide technical leadership, stakeholder engagement, and guidance to engineering teams.
Drive continuous improvement through Shift Left/Right testing approaches and automation.



Must-Have Skills & Experience 12+ years of overall experience, with strong expertise in Performance Testing and Performance Engineering.
Hands-on experience in performance testing across web, mobile, cloud, and enterprise applications.
Strong knowledge of performance testing methodologies, load testing, stress testing, and performance optimization.
Experience with APM and monitoring tools such as Dynatrace, App Dynamics, Splunk, New Relic, or similar.
Understanding of application architectures, JVM/CLR tuning, database performance, and infrastructure monitoring.
Experience with Gen AI, Large Language Models (LLMs), Prompt Engineering, and AI-driven automation.
Ability to design and integrate AI Agents and LLM-based solutions into performance engineering workflows.
Knowledge of AWS, Docker, Kubernetes, and CI/CD pipelines.
Strong analytical, troubleshooting, solution architecture, and problem-solving skills.
Excellent communication, stakeholder management, and technical leadership capabilities.
Experience in Test Management and leading large-scale Non-Functional Testing (NFT) engagements.
Knowledge of Python, Streamlit, and LLM API integrations.
Experience with Unix/Linux, SQL queries, and AWR analysis.
Familiarity with JIRA, Git, Jenkins, and Dev Ops practices.
Experience developing automated scripts for performance log analysis and reporting.
Certifications in Performance Engineering, Cloud, or AI/ML. If you have strong experience across Performance Testing, Performance Engineering, Solution Architecture, and Gen AI-driven automation, we would be interested in hearing from you.
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📌 Load And Performance Architect (Barcelona)
🏢 PRACYVA
📍 Barcelona