1,088,239+ Ai Driven Full Stack Engineer Java Python Madrid Jobs in Spain — Top Companies Hiring June 2026

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Junior Product Engineer

About Prosper AI Prosper AI specializes in AI Phone Agents for healthcare, providing human‑like expertise while significantly reducing costs. Our AI Agents efficiently handle tasks for calling patients and payors such as claims status checks, benefit verification, prior authorizations, patient sc ...

Senior Product Engineer

About Prosper AI Prosper AI specializes in AI Phone Agents for healthcare, providing human‑like expertise while significantly reducing costs. Our AI Agents efficiently handle tasks for calling patients and payors such as claims status checks, benefit verification, prior authorizations, patient sc ...

Junior Product Engineer

About Prosper AI Prosper AI specializes in AI Phone Agents for healthcare, providing human‑like expertise while significantly reducing costs. Our AI Agents efficiently handle tasks for calling patients and payors such as claims status checks, benefit verification, prior authorizations, patient sc ...

Remote Product Engineer, Property Management AI

PropHero, an AI-driven marketplace located in Madrid, is seeking a Product Manager skilled in software engineering and AI to own and build property management tools. Candidates should have over 3 years of experience, a strong product mindset, and proven collaboration skills. The role involves full product lifecy ...

AI R&D Python Developer | LLMs & FastAPI Expert

A global technology solutions provider seeks a candidate for a role focused on AI and LLM development. The ideal individual will have over 4 years of experience with Python, FastAPI, and SQL. Responsibilities include conducting R&D in AI and collaborating across teams to create innovative solutions in dynamic en ...

AI Math Specialist (Python) — Project Based, Part Time

A leading AI project firm seeks mathematicians to evaluate and validate AI solutions through project-based work. Candidates should have a degree in Mathematics, strong Python skills, and over 3 years of experience. The role offers flexible, part-time contributions with potential rates up to $30/hour, depending o ...

Freelance Statistics Expert with Python Expertise AI Trainer

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. W ...

Senior Python AI Architect: Remote RAG & Agentic LLMs

INNOCV Solutions S.L.U. is looking for a professional to design and implement AI solutions that meet business needs. Candidates should have advanced Python skills and experience with Hybrid AI architectures. Responsibilities include developing AI agents, managing data ingestion pipelines, and optimizing performa ...

Part time Research Physicist & AI Problem Designer (Python)

Mindrift is connecting specialists with project-based AI opportunities. This position involves designing computational physics problems and requires strong Python skills. Ideal candidates hold a Physics degree and have experience in numerical simulations. Participants can work part-time with earnings u ...

Part time Research Physicist & AI Problem Designer (Python)

Mindrift is seeking physicists for project-based AI opportunities in Valencia, Spain. Contributors will design computational physics problems, create solutions using Python, and document tasks clearly. The role involves part-time, non-permanent work suited to those with a degree in Physics and relevant progra ...

Python AI Developer for Data Integrations | Flexible Hours

Nubika - Cloud Solutions busca un perfil de Desarrollo IA para unirse a su equipo en Bilbao. El candidato ideal debe tener experiencia en desarrollo en Python, así como en integración de datos y trabajo en equipos multidisciplinares bajo metodologías ágiles. Se ofrece un entorno colaborativo, posibilidad de crec ...

Project Based Python & CS Expert for AI Evaluation

Mindrift is seeking Computer Science experts for project-based AI opportunities focused on testing and improving AI systems. The role requires Python proficiency and a strong command of English. Contributors will work on unique tasks such as designing Computer Science problems and evaluating AI solutio ...

Physics Researcher (Python) for AI Validation Part Time

A leading tech opportunities provider connects specialists with project-based AI roles. They seek physicists for a part-time, flexible position to design and validate AI-related physics problems. Candidates must have a degree in Physics and strong Python skills, alongside at least three years of professional exp ...

Product Owner (Python AI) for Aviation Ops Barcelona

A leading global technology company based in Barcelona is seeking a Product Owner to develop a solution interfacing client AI units with external services. The ideal candidate should have a degree in Computer Science or Engineering, and at least 3 years in product management, focusing on technical products. Offe ...

Senior Python AI Architect for AWS & Agent Systems

Plexus Tech is seeking a Senior Python Architect/Developer in Madrid to design and deploy AI-based architectures on AWS while ensuring quality through advanced testing. The role includes developing multi-agent systems, optimizing AWS solutions, and mentoring junior developers. You will have opportuniti ...

Data Scientist (Python & SQL) Part Time AI Projects

Mindrift is seeking experienced Data Science specialists in Valencia, Spain, for project-based roles focusing on AI opportunities. Ideal candidates will have over 5 years of experience, strong Python programming skills, and expertise in statistical analysis and machine learning. The role requires designing compu ...

Senior Fullstack Dev (React/Python) — Remote AI Startup

Paul Marlex busca un/a Senior Fullstack Developer para una startup internacional enfocada en inteligencia artificial. La posición es 100% remota y se requiere experiencia en desarrollo fullstack, especialmente con React. El candidato ideal tendrá la oportunidad de diseñar y mantener funcionalidades, co ...

Senior Fullstack Dev (React/Python) Remote AI Startup

Paul Marlex está buscando un/a Senior Fullstack Developer para unirse a una startup internacional en rápido crecimiento en el sector de la inteligencia artificial. Esta posición es 100% remota y requiere un fuerte enfoque en el desarrollo FrontEnd utilizando React. Los candidatos deben tener experienci ...

Remote AI Technical Developer — Python, LLM & AWS Cloud

The Whiteam is looking for an experienced AI Technical Developer with over 5 years of hands-on experience to join their remote team. The role requires strong Python skills and demonstrated expertise in building and deploying production-grade solutions. Fluency in both Spanish and English is required. R ...

Part Time Bioinformatics Python Pro for AI Challenges

Mindrift is looking for biology specialists in Valencia, Spain, to work on project-based AI opportunities. Contributors will design computational biology problems and validate solutions using Python. The role requires strong written English proficiency and 2+ years of relevant experience. Ideal candida ...

AI & Statistics Specialist — Python (Part Time, Project Based)

Mindrift offers project-based AI opportunities focused on testing, evaluating, and improving AI systems. We are seeking statistics specialists with Python proficiency for tasks requiring computational intensity. Candidates should have a degree in Statistics or related fields, 2+ years of relevant exper ...

Becario AI Product Developer (Python & JS + Cloud Ecosystem)

Programa el Futuro con IA: De Cursor a la Nube En Okuant, no perdemos el tiempo con procesos burocráticos ni tecnologías obsoletas. Desarrollamos productos de IA Generativa a velocidad de startup, utilizando un stack moderno y herramientas de desarrollo de última generación (Cursor, Claude Code, ...

Senior Generative AI Scientist Python, ML, Cloud | Remote

Bluetab, an IBM Company, is looking for a Senior Data Scientist specializing in Generative AI. The role involves leading data-driven initiatives by designing and deploying intelligent virtual assistants, ensuring quality engineering practices, and managing data across various platforms. Candidates shou ...

Becario AI Product Developer (Python & JS + Cloud Ecosystem)

Programa el Futuro con IA: De Cursor a la Nube En Okuant, no perdemos el tiempo con procesos burocráticos ni tecnologías obsoletas. Desarrollamos productos de IA Generativa a velocidad de startup, utilizando un stack moderno y herramientas de desarrollo de última generación (Cursor, ...

Research Physicist with Python Experience Freelance AI Trainer

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 ...

Quantum Research Scientist with Python Freelance AI Trainer

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 ...

Quantum Research Scientist with Python Freelance AI Trainer

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 ...

Research Physicist with Python Experience Freelance AI Trainer

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 ...

Quantum Research Scientist with Python Freelance AI Trainer

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 ...

Java Software Engineer CX (Hybrid)

Java Software Engineer – Customer eXperience We're seeking an experienced Java Software Engineer to join our Customer eXperience team in Madrid or Barcelona (Hybrid) to bring the power back to travellers. Why eDreams ODIGEO Journey as the world's leading travel subscriptio ...

Technical Lead / Ai Systems Architect Vitoria Gasteiz (España)

Buscamos un perfil técnico senior para liderar el diseño y construcción de una plataforma enterprise centrada en: sistemas agénticos procesamiento documental workflows inteligentes conocimiento operacional pipelines de datos arquitecturas event-drive ...

Technical Lead / Ai Systems Architect Palencia (España)

Buscamos un perfil técnico senior para liderar el diseño y construcción de una plataforma enterprise centrada en: sistemas agénticos procesamiento documental workflows inteligentes conocimiento operacional pipelines de datos arquitecturas event-drive ...

Forward Deployed Engineer

About HappyRobot HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don’t just communicate – they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and b ...

Java Developer (H/M/X) Madrid madrid

En Experis, compañía del grupo ManpowerGroup, conectamos el mejor talento con proyectos innovadores en áreas como transformación digital, tecnología y desarrollo de software. Actualmente buscamos incorporar 2 perfiles Java Developer (Backend y Fullstack) para participar en un proyecto dentro del sec ...

Arquitecto/a Senior de Soluciones (Programador/a Full Stack)

Arquitecto/a Senior de Soluciones (Programador/a Full Stack) Perfil de Candidatura Ingeniero/a de Software con 5+ años de experiencia en un rol SENIOR. Disponibilidad para viajar. Formación Universitaria - Licenciatura/Grado. Experiencia en la definic ...

Arquitecto/a Senior de Soluciones (Programador/a Full Stack)

Arquitecto/a Senior de Soluciones (Programador/a Full Stack) Perfil de Candidatura Ingeniero/a de Software con 5+ años de experiencia en un rol SENIOR. Disponibilidad para viajar. Formación Universitaria - Licenciatura/Grado. Experiencia en la definición e i ...

Senior Product Software Engineer

Senior Product Software Engineer Join us at WoltersKluwer as a Senior Product Software Engineer— a full‑stack developer working in a hybrid model to design, develop, and evolve scalable, cloud‑based, microservices‑oriented solutions. Key Responsibilities End‑to‑End Software De ...

Mid / Senior LLM Engineer Large Language Models (Madrid)

Mid / Senior LLM Engineer - Large Language Models We're hiring for an experienced Mid / Senior LLM Engineer for a rapidly expanding deep tech company that is backed by major general investors. In this position, you'll help design, build, and refine language models using the latest AI techno ...

Senior Software Developer

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.OneSpan is currently looking for a Sr. Software Developer (Full-Stack) to join our team in Barcelona.You’ll be involved in the design, development, testing, and delivery o ...

Data Engineer (Java / Spark)

Desde knowmad mood , buscamos incorporar un/a Data Engineer para formar parte de nuestra comunidad Data, colaborando en un proyecto estratégico dentro de una reconocida entidad del sector bancario. Horario flexible ⏰ : Adapta tu jornada a tu ritmo personal, coordinando c ...

Java Software Engineer (España)

Profile Title: Java Developer Tasks / Requirements WORKING HOURS - MONDAY TO FRIDAY 9H TO 18H Mandatory Skills Java Java Database Connectivity J2EE JavaPlatformEnterpriseEdition Springboot Javascript Maven JADE (no ...

Advanced Software Engineer Java

We are looking for a Advanced Software Engineer Java who is passionate about technology, development and deployment of a SaaS product. Benefits Flexible hours and remote‑first mode Competitive compensation Complete hardware/software setup – anything you n ...

Senior Java Software Engineer

Location: Remote from Spain (an indefinite Spanish employment contract) Drivers of change, it’s your time to pave new ways. Intellias, a leading software provider in the automotive industry, invites you to develop the future of driving. Join the team and create products used by millions of people in ...

Software Engineer Security (Java)

JOB DESCRIPTION About Us Always open. Our code, our culture, our opportunities. Leading open innovation without limits. We are SUSE. SUSE is a global leader in innovative, reliable and secure enterprise open source solutions, including SUSE Linux Enterprise (SLE), Rancher and NeuVect ...

Technical Lead Cataluña

Buscamos un perfil técnico senior para liderar el diseño y construcción de una plataforma enterprise centrada en: sistemas agénticos procesamiento documental workflows inteligentes conocimiento operacional pipelines de datos arquitecturas event-drive ...

Fullstack Applied AI Engineer (m/f/d)

Since its foundation in 1925, the DEKRA promise has been to ensure the safety of human interaction with technology and the environment. The company currently employs around 52,000 people in more than 60 countries on all five continents. With qualified and independent expert services, they provide safety on ...

Engineer / Developer – Freelance (Remote)

Engineer / Developer – Freelance (Remote) Join to apply for the Engineer / Developer – Freelance (Remote) role at SPACE44 Company Overview At SPACE44, we empower tech startups and innovative companies across the US and Europe by delivering top-tier software engin ...

Hybrid MLOps Engineer: AI Deployments on Kubernetes

A global consulting firm is seeking an MLOps Specialist to enhance digital capabilities in Madrid, Spain. In this role, you will bridge the gap between Data Science and IT Operations, deploying and maintaining AI applications. You'll work closely with Data Scientists and Product Owners to design robust AI soluti ...

Qa Engineer Senior/Mid/Junior Munich/Mad/Bcn

MissionPor favor, lea detenidamente la siguiente descripción del puesto para asegurarse de que encaja con el perfil antes de enviar su solicitud.Still doing manual testing without seeing the bigger picture? Want to shape how AI-powered products are tested and launched at scale? Join one of Europe’s t ...

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