531,380+ Remote Full Stack Developer Angular Java Python Ai Jobs in Spain — Top Companies Hiring August 2026

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Remote Oncology AI Researcher — Clinical Trials Expert

Alignerr is seeking experienced Oncology Clinical Researchers to bring real-world clinical trial expertise into cutting-edge AI research and evaluation workflows. Your knowledge of trial design and regulatory standards will help ensure that the AI systems being built today reflect the rigor and nuance that on ...

Remote Gen AI Creative Specialist: Visual Storytelling

Publicis Groupe España is seeking a Gen AI Creative Specialist in Madrid.Revise detenidamente toda la documentación de la solicitud antes de hacer clic en el botón de solicitar al final de esta descripción.This hybrid role combines visual direction with deep technical expertise in generative AI for cr ...

Remote Freelance Corporate Finance Advisor — AI Trainer

10x Team is seeking an experienced Corporate Finance Advisor to join as an AI Trainer on a freelance basis.Obtenga más información sobre las tareas generales relacionadas con esta oportunidad a continuación, así como sobre las habilidades requeridas.The role offers remote, EU/UK‑based work with flexib ...

Remote System Operations Engineer AI Trainer (Freelance)

10x Team is seeking a Freelance System Operations Engineer – AI Trainer to work 8–20 hours per week on remote, EU/UK-based projects.Usted podría ser el solicitante perfecto para este trabajo. Lea toda la información asociada y asegúrese de presentar su candidatura.You will review and refine AI-generat ...

AI & Cloud Software Engineer — ML, Automation, Remote

TNG Technology Consulting GmbH in Seville, Spain seeks talented engineers to analyze customer requirements and shape large, complex software systems with high responsibility.No espere a enviar su solicitud después de leer esta descripción; se espera un gran volumen de candidaturas para esta oportunidad.<b ...

AI Content Editor & Copy Specialist (Remote Contract)

YO IT Consulting is looking for a part-time, remote Copywriting & Content Subject Matter Expert to enhance AI-generated marketing content.Aumente sus posibilidades de conseguir una entrevista leyendo la siguiente descripción general de este puesto antes de presentar su candidatura.You'll review and cr ...

Senior Generative AI Engineer — Remote & Client Facing

Claire Joster, firma de talento del grupo Eurofirms, busca un Senior IA Engineer para una empresa tecnológica con Madrid como base.Desplácese hacia abajo para ver todos los requisitos del puesto y las responsabilidades que pueden esperar los candidatos seleccionados.Diseñar e implementar soluciones ba ...

Remote Sales Lead LATAM & Iberia (Agritech AI)

Ceres is an AI and data analytics platform focused on helping organizations acquire, manage, and insure farmlands more effectively. By leveraging advanced analytics, Ceres supports data-driven decisions that improve agricultural asset performance and risk management. The platform enables stakeholders to monit ...

Growth Architect: AI Driven Experiments & Analytics (Remote)

Bending Spoons is seeking a talented, driven and collaborative individual to contribute to our growth and monetization efforts across our portfolio of products. In a company with minimal hierarchy and small, high-performing teams, you will use AI, automation and analytics to uncover opportunities, run ...

Contract Remote Psychiatry Expert for AI Diagnostics

Mercor is looking for a Psychiatry Expert to evaluate how large language models tackle advanced psychiatric cases.Lea atentamente toda la información sobre esta oportunidad y luego utilice el botón de solicitud de abajo para enviar su CV y su candidatura.This position involves designing challenges, de ...

Senior Agentic AI & ITSM/AIOps Architect (Remote)

Deutsche Telekom/Sparte T-Systems sucht einen erfahrenen Agentic AI & ITSM/AIOps Solutions Architect.La experiencia que se espera de los solicitantes, así como las habilidades y cualificaciones adicionales necesarias para este trabajo, se enumeran a continuación.Sie entwerfen KI-basierte Lösungen, def ...

Ex MBB Strategy Consultant AI Training (Remote)

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners. Mindrift, powered by Toloka — a leading enterprise AI and machine learning data partner since 2014 — connects top domain ...

Senior Generative AI Engineer — Remote & Client Facing

Claire Joster, firma de talento del grupo Eurofirms, busca un Senior IA Engineer para una empresa tecnológica con Madrid como base. Diseñar e implementar soluciones basadas en IA Generativa y sistemas LLM, desarrollar arquitecturas RAG, agentes inteligentes y soluciones comunicacionales; colaborar con cliente ...

Remote AI & ML Engineering Lead — Scale Impact

SPD Technology is seeking an Engineering Manager, Applied AI & Machine Learning Engineering to lead the AI/ML initiatives within the PitchBook platform.¿Quiere enviar su solicitud? Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.You will drive advanced NLP ...

Ex MBB Strategy Consultant AI Training (Remote)

Toloka AI supports frontier model post-training by building domain-specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners. Mindrift, powered by Toloka — a leading enterprise AI and machine learning data partner since 2014 — connects top domain ...

Remote Fullstack Engineer AI Driven Health Platform

Alan is building the new standard in prevention insurance and is looking for engineers to help scale AI-native tooling and platforms.Para una comprensión completa de esta oportunidad y de lo que se requerirá para ser un candidato exitoso, siga leyendo.The Engineering team works on Hopper, AI‑native en ...

Remote Growth Builder: AI‑Driven Funnels & Experiments

Paradox seeks a hands-on Growth & CRO specialist to ideate, copy, design the strategy, and launch experiments directly. You will ship landing pages, automations, and AI-assisted assets to drive rapid growth and transform insights into measurable outcomes. You will work with Claude Code, lightweight aut ...

Art Director — AI Driven Campaigns, Remote & Growth

Publicis Groupe in Barcelona is seeking an Art Director passionate about digital experiences and curious about how AI can enhance creativity.Lea atentamente toda la información sobre esta oportunidad y luego utilice el botón de solicitud de abajo para enviar su CV y su candidatura.You will craft integ ...

AI Training Lead Remote Data Annotation & Evaluation

YO IT Consulting seeks an AI Trainer Lead to help train next-generation AI systems, shaping how models learn through high-quality input and robust evaluation. This remote contract role focuses on evaluating AI responses, annotating data sets, and providing detailed feedback to improve model performance across ...

AI & Cloud Software Engineer — ML, Automation, Remote

TNG Technology Consulting GmbH in Seville, Spain seeks talented engineers to analyze customer requirements and shape large, complex software systems with high responsibility. You will implement automation, cloud infrastructure, and automated test environments, while developing AI components such as ML models ...

Remote Senior Knowledge Graph Engineer — AI & GraphRAG

Doist is seeking a hands-on Senior Knowledge Graph Engineer to join our AI Center of Excellence.Asegúrese de que toda la información de su solicitud está actualizada y en orden antes de inscribirse en esta oportunidad.You will operationalize ontologies into high-throughput graph systems, enabling auto ...

Remote Pathologist: AI Cell Annotation (20h/wk)

DataForce by TransPerfect is seeking a pathologist to annotate human cells in whole-slide images for AI/ML model development. The role emphasizes identifying and labeling histopathological features, ensuring high-quality annotations, and collaborating with AI teams in a remote setting. Applicants shoul ...

Remote Senior Knowledge Graph Engineer — AI Pipelines

EcoVadis is seeking a hands-on Senior Knowledge Graph Engineer to operationalize ontologies into high-throughput graph systems. You will work on GraphRAG, entity resolution, and semantic federation, powering autonomous AI agents solving sustainability challenges. Location: Hybrid in Barcelona with remo ...

Remote Medical Science Liaison — AI Training & Validation

Alignerr is seeking experienced Medical Science Liaisons and clinical science professionals to train and validate AI systems in life-science and medical applications. This fully remote hourly contract role offers 10–40 hours per week and flexible scheduling, enabling meaningful contributions to cutting-edge A ...

Customer Support Representative AI Training (Freelance Remote)

Customer Support Representative - AI Training (Freelance - Remote)Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.About ProlificProlific is not just another player in the AI space – we are building the biggest ...

Senior Mobile Engineer Remote (KMP & AI Features)

Yazio is seeking a Senior Mobile Engineer to join the Food Tracking squad, focusing on Kotlin Multiplatform to deliver features across Android and iOS.Maximice sus posibilidades de que su candidatura sea seleccionada asegurándose de que su CV y sus habilidades se ajustan al perfil.The role is 100% rem ...

Remote Legal Content Specialist — Clear AI Documents

TELUS Digital AI Community seeks a Legal Content Specialist to review AI-generated legal texts, making them clear and accurate. You will ensure correct names, dates and laws, and rewrite confusing sentences for readability. Work remotely as part of a 1M+ diverse global AI community. You’ll help categor ...

Remote Strategy Consultant for AI Training Environments

Mindrift, powered by Toloka, is launching a Management Consulting domain and seeks experienced strategy consultants from top firms to convert real engagements into AI training environments. You will design structured tasks for AI agents, define evaluation criteria, and produce client-ready deliverables ...

Remote Strategy Consultant for AI Training Environments

Mindrift, powered by Toloka, is launching a Management Consulting domain and seeks experienced strategy consultants from top firms to convert real engagements into AI training environments. You will design structured tasks for AI agents, define evaluation criteria, and produce client-ready deliverables ...

Remote Data Scientist AI Training & Insights Pro

YO IT Consulting is seeking a Data Scientist for a remote contractor role. You will apply your expertise to train next-generation AI systems, collect and curate data, build models, and deliver insights to stakeholders. This position emphasizes strong data manipulation, statistics, and visualization ski ...

Data Engineer — Remote Pipelines & AI Driven Analytics

Tripledot Studios is an independent mobile games company with over 2,500 employees across 12 studios. We are seeking a data engineer to develop, maintain and optimize scalable data pipelines, data models and data infrastructure to support product analytics and monetisation insights. You will build engi ...

Senior AI Automation Engineer — Remote, Flexible Hours

T-Systems sucht einen Senior Software Engineer mit Schwerpunkt Generative AI und Automatisierung, um Entwicklungsteams zu unterstützen, bessere Prozesse zu etablieren und ein einheitliches Framework zu definieren. Du arbeitest eng mit Backend-, Frontend- und DevOps-Teams, entwickelst interne KI-Tools, ...

Remote CFD & Aerodynamics AI Training Engineer Contractor

Euro Staffs in Madrid, MD, ES is seeking a CFD and Aerodynamic Engineer to train and evaluate next-generation AI systems by contributing real-world engineering expertise. This opportunity centers on OpenFOAM CFD, advanced fluid mechanics knowledge, and precise problem statement design. The role emphasi ...

Senior AI & LLM Fullstack Engineer — 100% Remote

knowmad mood busca un/a Ingeniero/a de IA/ML para desarrollar personas sintéticas y soluciones basadas en LLM, pipelines RAG y orquestación de IA, usando grafos de conocimiento en una plataforma cloud-native. Se valoran experiencia en APIs, microservicios, testing, CI/CD y capacidad de comunicar conceptos téc ...

Senior Software Engineer AI Pricing Platform (Remote)

Lighthouse in Spain (Barcelona) is seeking a Senior Software Engineer to join the Pricing Innovation team. You will build end-to-end features for our core pricing manager system, collaborating with engineers, data scientists, and product managers to drive revenue growth for hospitality clients. You’ll ...

EMEA Talent Acquisition Consultant | AI Sourcing (Remote)

Eaton is seeking a Talent Acquisition Consultant for the EMEA region. In this role you will support recruitment across German‑speaking or French‑speaking markets, partnering with hiring managers and HR teams to attract top talent. You will combine strong recruiting expertise with innovative sourcing st ...

AI First Senior Performance Marketing Director Remote

Puffy, a market-leading D2C brand, seeks a Senior Director of Performance Marketing to own a multi-million-dollar paid engine across Google and Meta, with full authority over systems, measurement, testing, and budget allocation. You will report directly to the CEO and build scalable decision systems to drive ...

Senior QA Rater Remote AI & Search Quality

TELUS Digital AI Data Solutions is seeking Senior Raters to validate data that informs product development for leading search engines and AI systems. This flexible, remote role lets you apply analytical and research skills to evaluate search results and AI outputs while helping build high‑quality AI models. < ...

Part Time AI Agent Engineer — Remote LATAM

AIT busca un AI Engineer part-time para unirse a su equipo en un proyecto de automatización basado en IA. Este rol implica desarrollar agentes de IA autónomos con experiencia necesaria en Python, LLMs y APIs REST. Los candidatos deben ser nativos o fluidos en español y tener 20 horas semanales disponib ...

Remote Freelance Environment Artist for AI Training

Prolific is looking for a freelance Game Development / Environment Artist to work on AI training. In this remote role, you will handle asset licensing and perform technical processing including rendering and preparing files to specification. Ideal candidates should have experience in 3D, Technical or V ...

Senior QA Rater for AI & Search (Remote)

TELUS Digital AI is seeking a Senior Quality Assurance Rater for a flexible, remote role focused on evaluating search results and AI-generated content for leading engines and AI technologies. You will apply analytical and research skills to rate items, provide feedback, and help improve model performance and ...

Remote AI Workflow Architect & Growth Ops Lead

TripleTen in Madrid is looking for an experienced operations professional to design and implement AI workflows and streamline delivery pipelines. The role demands proficiency in project and operations management with a strong focus on automation and effective communication across teams. The ideal candi ...

Data Ops Engineer – AI Enablement (100% Remote)

We are looking for the best talent… and we would love for you to join our team! UST is a multinational company headquartered in North America, certified as a Top Employer, with more than 35,000 employees worldwide and a presence in over 30 countries. We are leaders in digital technology ser ...

Remote Account Executive: AI Voice & SaaS Growth

ElevenLabs in Spain is seeking a highly motivated Account Executive who thrives on voice technology and building new business across industries. You will win and manage a growing portfolio of accounts, identify opportunities to drive engagement, and develop a deep understanding of conversational AI and our vo ...

HR Transformation Lead – Dynamics 365 & AI (Remote)

Prodware busca un/a Empowered Employee Specialist para liderar iniciativas de HR basadas en Dynamics 365 HR y Power Platform. Se valorará experiencia en consultoría tecnológica de HR, capacidad de comunicar con directivos y equipos globales, y un claro interés en IA y automatización. La posición admite ...

Senior Technical Lead AI & Data Platforms (Remote)

eXperience IT Solutions busca un/a Technical Lead para unirse a su equipo en Madrid. Este rol implica liderar proyectos internacionales en Inteligencia Artificial y Machine Learning, diseñando arquitecturas escalables y guiando equipos de desarrollo. Con más de 6 años de experiencia en desarrollo de so ...

AI Content Editor & Copy Specialist (Remote Contract)

YO IT Consulting is looking for a part-time, remote Copywriting & Content Subject Matter Expert to enhance AI-generated marketing content. You'll review and create expert copy while providing feedback to improve the quality of AI models. Your experience in copywriting and content evaluation will be essential ...

Remote Research Engineer Intern LLM & Multimodal AI

Unchain Data is seeking talented MSc/PhD interns for 2025/2026 to join our innovative team in Madrid. You will contribute to research and development of state-of-the-art AI models and optimize large model training frameworks, ensuring adaptability across thousands of GPUs. This role offers a dynamic in ...

AI Training Specialist — Remote Tasks & Flexible Hours

About ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. AI Training ExpertsAbout ProlificProlific is not just another player in the AI space – we are building the biggest pool ...

Senior ML Architect | Remote/Hybrid, Global AI

eXperience IT Solutions, empresa tecnológica con más de 25 años de experiencia, busca un/a Senior Machine Learning Engineer para participar en proyectos internacionales relacionados con IA, ML y plataformas de datos. Diseñarás soluciones escalables, guiarás la evolución de sistemas basados en datos e IA y lid ...

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