> Markdown version of [/jobs/ext/1368353-ai-platform-engineer](https://www.wearedevelopers.com/jobs/ext/1368353-ai-platform-engineer). 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 Platform Engineer - **Company:** Alira Health - **Location:** Barcelona, Spain (Remote available) - **Salary:** €130,000.0 - €140,000.0 - **Contract:** Permanent contract - **Skills:** A/B Testing, Artificial Intelligence, Data Analysis, Python (Programming Language), Ruby on Rails, AI Infrastructure, Datadog, Large Language Models, AI Platforms, Machine Learning Operations, Automation Anywhere - **Published:** July 21, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Requirements:Proven experience building and evaluating AI systems in production, including RAG pipelines, retrieval/search systems, and LLM-powered applications.Strong proficiency in Python for prototyping and experimentation.Willingness to learn and work with Ruby on Rails for integrating with production systems.Expertise in AI infrastructure, evaluation pipelines, observability tooling, and data processing.Deep understanding of RAG architecture, embeddings, retrieval, re-ranking, and context management.Strong experimentation and data analysis skills, including designing A/B tests, measuring results, and iterating quickly.Ability to work autonomously in a fast-paced, dynamic environment while collaborating effectively with a team.Strong alignment with company values and CEFR Level C2 / ILR Level 5 proficiency in English.Bonus: Experience with AI evaluation frameworks such as Braintrust or LangSmith.Benefits:Competitive U.S.-benchmarked salary range, $130,000 - ## Description Inscribirse en esta oferta This position is posted by Jobgether on behalf of a partner company. We are currently looking for an AI Platform Engineer, Applied AI in Spain.We are seeking a highly skilled AI Platform Engineer to design and implement infrastructure that enables large-scale AI systems to operate reliably and efficiently. In this role, you will focus on production AI systems, building evaluation frameworks, observability tooling, and diagnostic infrastructure to measure and improve system performance. You will collaborate with engineers across the organization to identify gaps, prototype solutions, and implement improvements that enhance AI-driven features. The ideal candidate thrives in a fast-paced, fully remote environment, is comfortable navigating ambiguity, and has a passion for optimizing AI systems that impact millions of users. This is a high-ownership role with significant influence on how AI features are monitored, evaluated, and improved.Accountabilities: + Build evaluation infrastructure to measure AI system speed, accuracy, and reliability, both offline and in production. + Develop observability tools and dashboards that surface quality metrics and track improvements over time. + Diagnose performance gaps across retrieval, ranking, prompting, and other AI workflows. + Prototype and validate improvements to AI pipelines, including RAG pipelines, chunking strategies, retrieval methods, and re-ranking approaches. + Analyze usage data to identify opportunities for enhancement and new AI features. + Collaborate with engineers to ensure production changes improve system quality and reliability. + Stay current with cutting-edge AI research, techniques, and tools to inform platform improvements. ## Related Videos - [Bringing the power of AI to your application.](https://www.wearedevelopers.com/videos/1010-bringing-the-power-of-ai-to-your-application) - [The OpenTelemetry mistakes I keep seeing (and how to stop making them)](https://www.wearedevelopers.com/videos/100158-the-opentelemetry-mistakes-i-keep-seeing-and-how-to-stop-making-them) - [This App Reached 10,000 Users in One Week. Here's How.](https://www.wearedevelopers.com/videos/100329-this-app-reached-10-000-users-in-one-week-here-s-how) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Supercharge your cloud-native applications with Generative AI](https://www.wearedevelopers.com/videos/950-supercharge-your-cloud-native-applications-with-generative-ai) - [Agentic employees in world's most downloaded FinTech app](https://www.wearedevelopers.com/videos/100123-agentic-employees-in-world-s-most-downloaded-fintech-app) ## 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) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this) - [Got AI ideas but no money? Here are 10 free ways to level up your AI skills with Google Cloud](https://www.wearedevelopers.com/magazine/600-got-ai-ideas-but-no-money-here-are-10-free-ways-to-level-up-your-ai-skills-with-google-cloud) - [How to start an AI project for a good cause and boost your career](https://www.wearedevelopers.com/magazine/15-how-to-start-an-ai-project-for-a-good-cause-and-boost-your-career)