> Markdown version of [/jobs/ext/3048360-ai-engineer-performance-team](https://www.wearedevelopers.com/jobs/ext/3048360-ai-engineer-performance-team). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Engineer - Performance Team - **Company:** Búsqueda Avanzada - **Location:** Barcelona, Spain (Remote available) - **Salary:** €40,000.0 - €60,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Monitoring of Systems, Python (Programming Language), Open Source Technology, Performance Tuning, Software Engineering, TypeScript, Large Language Models, Data Management - **Published:** September 24, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Practical coding experience with Python and/or TypeScript. Demonstrated hands-on experience working with Large Language Models, either through professional projects or personal initiatives. Experience designing, building, or maintaining AI agents and agent-based workflows. Strong understanding of LLM providers, model capabilities, limitations, and performance trade-offs. Familiarity with AI development tools and frameworks, including OpenAI APIs and modern agent development ecosystems. Exposure to observability, evaluation, or monitoring tools for AI applications is considered an advantage. Experience with open-source AI models is a plus. Background in software engineering, product development, quality assurance, or data-related disciplines is beneficial. Strong analytical mindset with a passion for experimentation, testing, and continuous improvement. Comfortable working in ambiguous environments where processes evolve alongside technological advancements. Excellent communication skills and a proactive approach to sharing knowledge and collaborating with cross-functional teams. Professional proficiency in English; knowledge of Portuguese, Spanish, or Italian is considered a plus. ## Description This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an AI Engineer - Performance Team based in Spain. As an AI Engineer focused on performance and reliability, you will play a key role in improving the quality, accuracy, and scalability of AI-powered products used by thousands of users every week. Working in a fully remote and collaborative environment, you will design, evaluate, and optimize AI agents while ensuring consistent performance in production. This role combines experimentation, analytical thinking, and hands-on development, offering the opportunity to work with cutting-edge LLM technologies and emerging AI tools. You will contribute directly to the evolution of AI systems, helping transform innovative ideas into reliable, high-impact solutions. Ideal for professionals passionate about AI performance, this position offers significant autonomy, continuous learning opportunities, and the chance to shape best practices in a rapidly evolving field. Accountabilities: Design, develop, and optimize AI agents to improve performance, reliability, and user experience across production environments. Create, maintain, and enhance evaluation frameworks to measure agent accuracy and ensure consistent quality standards. Monitor user feedback, identify performance issues, and implement improvements based on insights and real-world usage data. Conduct experiments involving prompts, models, agent architectures, and workflows to increase effectiveness and efficiency. Maintain and improve AI evaluation infrastructure, ensuring scalability, reliability, and cost-effectiveness within CI/CD pipelines. Stay informed about the latest developments in AI, large language models, and agent technologies to continuously improve solutions. Collaborate closely with engineering, product, and design teams to deliver high-quality AI-powered experiences. Document findings, share learnings, and contribute to the establishment of AI performance best practices. ## Related Videos - [Agentic AI - From Theory to Practice: Developing Multi-Agent AI Systems on Azure](https://www.wearedevelopers.com/videos/1532-agentic-ai-from-theory-to-practice-developing-multi-agent-ai-systems-on-azure) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [It's all about the Data](https://www.wearedevelopers.com/videos/425-it-s-all-about-the-data) - [Practical performance tuning for Serverless Java on AWS](https://www.wearedevelopers.com/videos/2075-practical-performance-tuning-for-serverless-java-on-aws) - [One AI API to Power Them All](https://www.wearedevelopers.com/videos/1601-one-ai-api-to-power-them-all) - [Vuejs and TypeScript- Working Together like Peanut Butter and Jelly](https://www.wearedevelopers.com/videos/127-vuejs-and-typescript-working-together-like-peanut-butter-and-jelly) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it) - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care)