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Production ML Engineer – Scalable AI & MLOps Infra

A leading AI technology firm in Barcelona seeks an experienced Machine Learning Engineer to build and scale their ML infrastructure. The role involves deploying state-of-the-art ML models and optimizing for performance, cost, and security in enterprise environments. Successful candidates will have at least 4 yea ...

Principal Business Analyst – Fintech AI Data Platform

Dev.Pro in Madrid is seeking a Principal Business Analyst to support the development of a large-scale fintech data platform. The role involves working across multiple Scrum teams to define requirements and translate business needs into clear technical direction. Ideal candidates should have over 7 years of exper ...

Data Scientist (Python & SQL) Freelance AI Trainer

Overview 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. What This Opportunity Involves While each project involves u ...

AI Model Engineer: Embeddings & High Perf Architectures

FastS3, Inc. is seeking an AI Model Engineer in Madrid to build the backbone for AI-native data infrastructure. The role involves designing and optimizing embedding models and high-performance neural architectures for large datasets. Key responsibilities include model evaluation and collaboration with engineerin ...

AI Research Engineer Reincement Learning 100% Remote

About the job As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑making and adaptive behavior to deliver enhanced intelligence, improved performance, and domain‑specific capabilities for real‑world ...

Reinforcement Learning Research Engineer for AI Systems

Framework Ventures in Madrid is looking for a member of the AI model team to innovate in reinforcement learning approaches. The selected candidate will develop and implement cutting-edge algorithms to optimize decision-making and performance for real-world challenges. A PhD in Computer Science or a related field ...

Global Head of Digital Architecture & Generative AI

Aluxion busca un Digital Architecture & AI Generative Manager en Madrid. Buscamos un profesional con experiencia en consultoría tecnológica y arquitectura digital. Las responsabilidades incluyen liderar proyectos globales, diseñar soluciones innovadoras y colaborar con equipos multidisciplinares en Latinoamérica ...

AI Operations Fellow Direct CEO Access, Remote

Metarina in Barcelona is seeking a Founders Associate to work closely with the CEO in automating the operational aspects of the company. This role involves managing CEO operations, sales operations, and performance reporting while building AI-driven workflows to streamline tasks. The ideal candidate has 2 to 4 y ...

Spanish SDR — AI‑Driven B2B SaaS Prospecting

Enginy, a Barcelona-based startup, seeks a Sales Development Representative to engage B2B prospects. The ideal candidate is fluent in Spanish and English, with experience in outbound sales within SaaS. You'll qualify leads, collaborate with marketing, and track outreach metrics. Enginy offers competitive salary, ...

Mandarin AI Trainer — Domain Expert, Remote & Flexible

A leading AI data platform in Madrid is seeking an AI Trainer with advanced Mandarin fluency to help train and evaluate AI models. This remote position offers competitive pay at $30 per hour for manageable tasks, allowing flexibility in hours. Ideal candidates should have strong attention to detail, a reliable i ...

AI Hardware Tech Promoter — Madrid (Part time)

Una empresa tecnológica líder en Madrid busca Promotores/as para una campaña que va del 30 de marzo al 26 de mayo. Se requiere comunicación efectiva y compromiso total. El trabajo es de lunes y martes, con un horario de 12:00h a 14:00h y de 16:00h a 20:00h, totalizando 6h/día. La remuneración base es de 10,50€ b ...

AI Transformation Leader: Strategy, Change & GenAI Programs

Una empresa líder en transformación digital busca un AI Transformation Consulting Principal en Madrid, con más de 10 años de experiencia en consultoría y transformación digital. El candidato ideal liderará la ejecución de programas de transformación con IA, trabajando en la adopción de soluciones innovadoras. Se ...

Marketing Program Management Intern — Data & Cloud AI

Una empresa internacional de seguros busca un estudiante para el puesto de Head of Marketing Program Management en Barcelona. El candidato ideal debe tener conocimientos en programación, tecnologías de nube y desarrollo de contenedores. Las responsabilidades incluyen desarrollar productos de análisis avanzado, a ...

Data Engineer — AI Powered Data Pipelines, Remote

A leading AI and data consultancy based in Switzerland is seeking a proficient software engineer in Madrid to design and maintain data solutions. As part of agile teams, you'll interact with clients to tackle data challenges. The role begins fully remote but aims for a hybrid model as the office is established. ...

Product Software Engineer: AI Driven Travel Platform

A progressive technology company based in Barcelona is searching for an experienced Software Engineer. In this role, you will collaborate with the product team to develop a next-generation platform that transforms business travel experiences. You will utilize your skills in Python/Django and React to build a rob ...

Head of Product, Flagship AI Consumer App

A leading tech company in Barcelona is seeking a Lead Product Manager to drive product vision and strategy for Retake. As a pivotal role, you will lead a team, collaborate with top-tier AI talent, and work on a flagship product with significant user engagement potential. The ideal candidate has extensive experie ...

Digital Accounts Director — AI & Growth Leader (Remote)

Una consultora digital busca un Account Director para liderar grandes cuentas en el sector tecnológico. Esta persona será responsable de gestionar la relación con clientes clave y coordinar equipos para ejecutar proyectos digitales complejos. Se requiere una experiencia mínima de 6-8 años y habilidades en gestió ...

Python & Kubernetes Engineer for Data, AI/ML

Canonical seeks a motivated Python and Kubernetes Software Engineer to join their engineering team focused on data, AI/ML, and analytics solutions. The position involves collaborating on advanced analytics platforms utilizing open-source tools while working remotely with colleagues across various time zones. Can ...

AI Agent & MCP Engineer — Hybrid (Málaga, Spain)

An international consulting group seeks a technically skilled Agent, MCP & Prompt Engineer in Málaga, Spain. The role involves designing and managing AI agents and Model Context Protocol servers. Candidates should have at least 5 years of experience in software engineering or DevOps, along with strong skills in ...

AI Agent & MCP Engineer for SDLC Innovation

A global consulting firm is looking for an innovative Agent, MCP & Prompt Engineer in Málaga, Spain. The role focuses on designing and managing AI agents and Model Context Protocol (MCP) servers for optimal performance throughout the software development lifecycle. Candidates should have extensive software engin ...

Databricks Engineer for AI Platform & Data Infra

A recruitment agency is seeking a skilled Databricks Engineer for a contract position in Barcelona. The role involves developing scalable features and optimizing technology infrastructure for a data and AI platform. Candidates should have 3-5 years of experience with Databricks, strong skills in Python and Spark ...

AI Agent & Prompt Engineer — Hybrid (Malaga, Spain)

An international consulting group is seeking a skilled Agent, MCP & Prompt Engineer for a hybrid role in Málaga, Spain. The selected candidate will design AI agents and manage MCP servers to ensure performance and scalability in the AI ecosystem. Candidates should have at least 5 years of experience in software ...

AI Infra & Cloud Engineer — Kubernetes, Terraform (Hybrid)

A leading AI startup based in Barcelona is seeking a Cloud Infrastructure Engineer with over 4 years of experience in cloud infrastructure and DevOps. The role entails building scalable cloud systems using AWS, Kubernetes, and Terraform. The candidate will work in a hybrid mode and is expected to have strong ski ...

Hybrid ML Engineer (Contract) — Quantum & AI Frontier

A leading European deep-tech company is seeking a Machine Learning Engineer to build and optimize end-to-end data and model pipelines. The role requires strong programming skills in Python and familiarity with the modern ML stack, along with experience in data management and algorithm optimization. You will coll ...

AI/ML Data Scientist Hybrid, Global Impact

A leading global software and cloud solutions provider is seeking a Data Scientist to join their dynamic team in Barcelona. This role involves turning data into actionable insights by working on AI and Machine Learning projects across various cloud platforms. Candidates should have commercial experience in ML or ...

Generative AI Engineer for Horizon Platform (Renewables)

A leading global energy consulting firm in Barcelona is hiring an AI Engineer. This role involves creating, productizing, and evolving generative AI solutions on their cloud platform. Responsibilities include connecting to diverse data sources, designing scalable AI systems, and collaborating with teams to deliv ...

Quantum & AI Software Engineer — Hybrid, Flexible Hours

A leading quantum software company in Spain seeks a Software Engineer to join their expert team. The role entails collaborating with Fortune-500 clients and tackling complex industry challenges. Candidates should hold a relevant degree, excel in Python, and possess over 3 years of software engineering experience ...

LLM Engineer — Quantum AI & RAG Systems (Hybrid)

A leading quantum software firm in Spain is seeking a skilled Machine Learning Engineer experienced in Large Language Models. You will work with cutting-edge quantum and AI technologies to design and enhance models, contribute to innovative projects, and collaborate with experts. Candidates should have a strong ...

Remote AI Platform Engineer for Scalable Inference

A leading cloud technology provider is hiring an AI Platform Engineer to develop advanced AI capabilities within their OneAI platform. The ideal candidate will have 3+ years of experience in AI, hands-on delivery of AI solutions, and proficiency with frameworks like PyTorch and vLLM. Responsibilities include des ...

Platform Engineering PM AI Augmented IDP Leader

A global scientific publishing company based in Madrid is searching for a Technical Product Manager. The role requires leading the evolution of an Internal Developer Platform while working closely with engineers and technical leaders. Candidates should have over 5 years of experience in product management, stron ...

LLM Engineer — Quantum‑Inspired AI, Hybrid & Flexible

A leading deep-tech company in Spain is seeking a Machine Learning Engineer to work on language models leveraging quantum and AI technologies. Responsibilities include designing and optimizing models, developing applications, and collaborating with teams. Candidates should have a relevant degree and at least 2 y ...

AI French Trainer Flexible Hours, Remote Work

A leading online platform seeks an AI Trainer proficient in advanced French to complete training tasks, analyze AI performance on French prompts, and improve AI models. Candidates should have strong attention to detail, reliable internet, and the ability to focus on tasks for up to one hour. Work can be performe ...

AI Trainer Advanced French Fluency (Remote Barcelona)

AI Trainer – Advanced French Fluency Responsibilities Completing AI training tasks such as analyzing, editing, and writing in French. Judging the performance of AI in performing French prompts. Improving cutting‑edge AI models. Completing paid tasks that requ ...

PHP Software Engineer — Hybrid (Barcelona) + AI Tools

A leading travel technology company in Barcelona is seeking a skilled PHP Software Engineer to join its Accommodation team. The successful candidate will work with cutting-edge technologies and will be responsible for coding solutions, participating in product ideation, and mentoring junior team members. The rol ...

EU Growth Director, AI Healthtech & Biopharma Deals

A leading AI healthtech company in Barcelona is seeking a Director of Business Development / Clinical Solutions for Europe. This pivotal role involves driving the sales cycle and nurturing relationships with biopharma partners. Candidates should have over 5 years of experience in business development within biot ...

AI Trainer Advanced Mandarin Fluency Madrid, Spain

AI Trainer - Advanced Mandarin Fluency Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety ...

Mandarin AI Domain Expert Train & Evaluate Models

Prolific is hiring AI Trainers fluent in Mandarin to assist in training and evaluating AI models. Responsibilities include completing tasks such as analyzing and editing in Mandarin while judging AI performance. This role offers flexibility and competitive pay at $30/hr, allowing you to influence the future of A ...

Strategic IT Procurement Leader – Global & AI‑Driven

A global healthcare company is seeking an IT Global Category Manager in Cataluña, Spain. This permanent position focuses on strategic sourcing and category management in IT. Responsibilities include leading sourcing events and negotiations, managing supplier relationships, and optimizing procurement processes. C ...

AI Cloud Architect — Build Scalable GenAI Platforms

A leading technology company is seeking an AI Architect in Madrid. You will be responsible for designing and implementing enterprise-grade AI solutions, collaborating with teams to create scalable AI systems. Key qualifications include a Master's degree, experience with cloud platforms, and proficiency in Python ...

MLOps Platform Engineer for Agentic AI Hybrid

A leading insurance group based in Madrid is looking for an MLOps/SRE specialist to build and productize AI capabilities. The role involves managing CI/CD standards and implementing monitoring systems while ensuring governance and security. Candidates should have hands-on experience with Databricks MLflow and pr ...

Research Intern: Neurosymbolic & Memory Driven Agentic AI

An innovative AI research company is looking for a Research Intern in Barcelona. You will support exploratory research in AI, focusing on learning systems and agentic reasoning. The ideal candidate is pursuing a Master's or PhD in a relevant field and has strong Python skills. This paid summer internship offers ...

Freelance Data Scientist (Python & SQL) AI Trainer

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of colle ...

Software Engineer AI Powered Shopping Platform (Remote)

A leading tech company is seeking a Software Engineer to join their team in Barcelona. The role involves ownership of projects from design to deployment, with key responsibilities including software design, exploring technical problems, and mentoring junior engineers. The position is remote-friendly, allowing fl ...

Lead AI Research Engineer for Industrial Prototyping

A global software leader in Madrid is seeking an experienced Lead AI Research Engineer to join their team. This role focuses on researching and validating emerging AI technologies, with a strong emphasis on practical applicability. Candidates should have over 10 years of experience in AI research, a solid unders ...

ML Engineer – AI Search & Automation for DAM

A digital asset management leader is seeking a Machine Learning Engineer in Barcelona, Spain. This role involves designing AI-powered features, collaborating with teams, and staying current with AI trends. The ideal candidate has at least 3 years of experience, strong knowledge of transformer architectures, and ...

Remote AI Solutions Architect: Data, ML & GenAI

Una empresa líder en transformación digital busca un Arquitecto de Soluciones especializado en Data, IA y procesamiento de eventos. Este rol implica diseñar arquitecturas robustas alineadas con los estándares del sector financiero. Se requieren habilidades en AWS, Azure y herramientas como Docker y Kubernetes. O ...

AI Product Leader for SaaS Brand Innovation

A leading SaaS company in Barcelona is seeking an AI Lead to drive product innovation across various brands. The ideal candidate has over 5 years of experience in AI product development and a strong technical background. Responsibilities include collaborating with brands, shaping AI initiatives, and ensuring str ...

German PPC Growth Consultant | AI Driven Marketing

A dynamic digital marketing firm in Barcelona is seeking a tech-focused professional to manage PPC campaigns for the German market. The role involves onboarding clients, driving product adoption, and implementing growth strategies. Ideal candidates will have a BA/BS degree, strong language skills in German and E ...

Design & Content Intern Mentored in Fintech & AI

Una empresa de marketing y diseño en Madrid busca un interno en Diseño y Contenido. Se requiere formación en un área relacionada y un portafolio que demuestre habilidades de diseño. Las funciones incluyen la creación de gráficos y contenido para varios canales, así como la producción de videos para redes sociale ...

Head of AI Driven Sales & Performance (Remote)

A leading EdTech company seeks a Sales Manager to oversee high-ticket B2C sales teams while driving performance and integrating AI tools. Candidates should have experience managing distributed teams and a strong data orientation, with a focus on achieving business outcomes through effective compensation design. ...

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