Empleos de freelance agent evaluation engineer en Madrid

A tech company specializing in AI projects is seeking an AI Agent Evaluation Analyst for a flexible freelance role. You will review evaluation tasks and ensure the soundness of complex tasks for AI agents. The ideal candidate has strong analytical thinking, attention to detail, and good communication skills in English. This role pays up to $30/hour and...

3Commas is hiring for an Applied AI backend/ML engineer to own the AI research engine behind QuantPilot's agents. You will focus on research, strategy generation, backtesting, and the agent platform, delivering statistically sound results with robust production-grade systems.You will drive end-to-end architecture, ensure contracts between engine and product,...

Data Analyst / Engineer Senior - Freelance (remote in Spain)Largest producer of farmed Atlantic salmonAquaculture / Seafood. It is the world's largest producer of farmed Atlantic salmon and one of the largest seafood companies globally.Strong experience with Snowflake, including data modelling and analytical architecture design.Advanced proficiency in SQL...

AgileEngine is seeking a Senior AI Engineer to design and build agentic workflows and AI-powered applications for enterprise software. You will craft patterns for orchestration, memory, and multi-agent collaboration, using agentic tools across the full lifecycle from planning to documentation.You will integrate agents into development, testing, deployment,...

Orbio is an AI-native human capital management platform building a Digital Workforce for HR.We design and deploy agentic systems that take ownership of operational execution across hiring, onboarding, and employee operations — while keeping humans in control.We work with large, complex organizations across staffing, retail, hospitality, and healthcare. Our...

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.Participation is project-based, not permanent employment.About The RoleThis project is suited for a Senior Python developer with...

About The CompanyBiorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes.Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap...

At Winning Consulting, we are looking for an AI Engineer to join a project for one of our international clients in the insurance sector, based in Madrid.  Responsabilities:Design, build and productionise AI -enabled features and services using large language model, RAG, prompt engineering and agent frameworks/ orccestasion (such as...

We're partnering with a fast-growing consumer technology business that is leveraging cutting-edge AI to transform how millions of users learn, engage, and interact with digital products worldwide. This is an opportunity to join a highly ambitious AI team at a pivotal stage of growth, helping shape the next generation of intelligent, personalised user...

At Board, we power financial and operational planning solutions for the world’s best brands. Thousands of enterprises use our technology to optimize resources, drive growth, and ensure profitability. With advanced analytics and forecasting, plus AI-driven insights, customers transform complex, real-time data into actionable intelligence. What’s been key...

Project descriptionWe are seeking a Palantir Foundry & AIP Engineer with hands‑on experience across the full Foundry ecosystem and Palantir’s Artificial Intelligence Platform (AIP). This role goes beyond data engineering: you will design, build, and operationalize AI-powered workflows, agents, and applications that drive tangible business outcomes. The...

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed.If you’re a collaborator who wants to help transform how businesses...

At Board, we power financial and operational planning solutions for the world’s best brands. Thousands of enterprises use our technology to optimize resources, drive growth, and ensure profitability. With advanced analytics and forecasting, plus AI-driven insights, customers transform complex, real-time data into actionable intelligence.What’s been key...

¿Te apasiona la Inteligencia Artificial y disfrutas construyendo aplicaciones reales que combinan AI, Full-Stack, Data y Cloud? Buscamos un/a AI Engineer Expert para participar en un proyecto estratégico de un importante cliente del sector seguros, dentro de un entorno internacional orientado a acelerar la adopción de GenAI y Agentic AI.Responsabilidades...

Fever in Madrid seeks a Senior Software Engineer to lead AI-driven product engineering initiatives. You will build agent harnesses, sub-agents, and evaluation tooling, shipping production-ready AI features across Fever’s platforms.You will own CI/CD pipelines, observability, and the delivery substrate, partnering with squads to reduce friction and improve...

At JetBrains, code is our passion. Ever since we started, back in 2000, we’ve been striving to make the strongest, most effective developer tools on earth. Today, AI-powered assistance and agents are becoming a core part of how developers work in our IDEs.We’re building multi-step coding agents that can understand large codebases, plan changes, call...

Circle, a remote-only company building an AI-powered platform, seeks a Lead Engineer for the AI Quality engineering team. You will own evaluation infrastructure, build observability tooling, and guide a growing team while staying hands-on in code.You'll diagnose quality across the agent pipeline, design datasets, run experiments across prompts and models,...

AI Engineer Department: Delivery Employment Type: Full Time Location: Madrid Description At Sabio Group, we're dedicated to fostering an environment where employees thrive. Since 1998, we've built a dynamic culture that is both challenging and fun, driven by a team of ambitious, knowledgeable individuals who are passionate about leading the CX revolution....

What You’ll Do As aLead AI Engineer at InteractiveAI, you’ll operate as the Chief of AI’s right hand, driving the technical direction of our AI stack, accelerating new use cases, and guiding the development of advanced GenAI capabilities across the platform. You’ll take ownership of the design, development, and deployment of cutting‑edge models,...

NN Digital Hub is a subsidiary company of NN Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units.Senior MLOps EngineerAs we scale our Agentic AI strategy, we need to transform Databricks Mosaic AI into a self‑service platform that empowers AI engineers across business units. Your role is to...