179,788+ Software Engineer Intern Fullstack Ai Python React Jobs in Spain — Top Companies Hiring June 2026

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Desarrollador/a de Software contrato temporal en Castelldefels

Descripción del puesto Buscamos un/a Desarrollador/a de Software para unirse a nuestro equipo de desarrollo en Castelldefels. En este rol tendrás la oportunidad de trabajar con tecnologías de vanguardia en proyectos innovadores y desafiantes para una variedad de clientes del sector tecnológico, financi ...

Desarrollador/a de Software contrato temporal en Castelldefels

Descripción del puesto Buscamos un/a Desarrollador/a de Software para unirse a nuestro equipo de desarrollo en Castelldefels. En este rol tendrás la oportunidad de trabajar con tecnologías de vanguardia en proyectos innovadores y desafiantes para una variedad de clientes del sector tecnológico, fi ...

Senior Ruby on Rails Engineer

Senior Ruby on Rails Engineer  We are looking for a Senior Ruby on Rails Engineer to help us build reliable, scalable products and apply AI/LLM technologies where they create real value.This is a hands-on engineering role for someone who can own complex features end to end, make strong technic ...

Senior ML Engineer: AI for Code & Developer Tools

JetBrains is searching for a motivated ML Engineer in Madrid to innovate and enhance software development through machine learning solutions. Responsibilities include prototyping ML systems, training, and evaluation pipelines, and collaboration with teammates. Ideal candidates will have experience in ML design, ...

Space Applications Engineer Flexible Hours, Remote

GMV Spain is seeking a Space Applications Software Engineer to join our multidisciplinary team. You will develop application software for space systems and onboard payloads, ensuring system integration across various projects. A degree in Computer Engineering or Telecommunications is essential, along w ...

Senior ML Platform & Ops Engineer Hybrid Barcelona

A leading Ed-Tech firm in Barcelona seeks a Senior Machine Learning Platform/Ops Engineer to join their team and enhance their AI-powered learning platform. This role involves maintaining ML pipelines, implementing observability for ML systems, and collaborating closely with data engineers. Ideal candidates will ...

Senior Physics‑Driven ML Engineer: AI for Design & Optimization

A global electronic design firm in Barcelona is seeking a Senior Applied ML Engineer to design advanced ML architectures that integrate physics insights and AI techniques. This role emphasizes collaboration with RF experts and demands a deep understanding of scientific computing and machine learning. Ideal candi ...

Senior ML Engineer & AI Researcher Hybrid Madrid

A leading consultancy firm in Madrid seeks an experienced ML Engineer to drive AI research and enhance model performance. Candidates should possess a PhD or 5+ years of experience in machine learning, strong Python skills, and hands-on experience with Docker. The role offers a competitive salary of up to €75k, a ...

Autonomous UAV & Aerial Robotics Research Engineer

Eurecat - Technology Centre in Cerdanyola del Vallès is looking for a motivated researcher/engineer in the field of aerial robotics. The selected candidate will develop next-generation autonomous aerial systems using cutting-edge technology. Responsibilities include guiding AI-driven robotics concepts, ...

Senior Backend Engineer — AI Powered Pricing & Autopilot

Lighthouse in Barcelona is seeking a Senior Backend Engineer to develop and maintain their core pricing manager system. You will collaborate closely with product managers and engineers, building distributed services and APIs. Strong experience in Go or Python/Django is required, with a focus on delivering imp ...

Arquitecto de Contenido IA – End to End (Azure)

ALTEN en Málaga busca un AI Engineer para participar en un innovador proyecto del sector farmacéutico. Este profesional diseñará, desarrollará e implementará soluciones de inteligencia artificial para optimizar el ciclo de vida del contenido, trabajando con modelos de IA y Azure. Se requiere experienci ...

AI Backend Engineer: Production LLMs & Multi‑Step Agent Flows

Fds, A Dxc Technology está buscando un AI Engineer en Galicia, La Coruña. La persona será responsable de diseñar e implementar servicios backend escalables usando Python, y de integrar LLMs en entornos de producción, optimizando sus flujos y coste. El puesto ofrece la oportunidad de trabajar en una com ...

Senior AI Engineer – Real Time LLM & Multi Agent Innovation

Oxigent Technologies busca un/a Senior AI Engineer en Barcelona para un proyecto innovador en IA dentro de un entorno de alta tecnología. Este rol implica diseñar y evolucionar plataformas LLM multi-agente, implementar soluciones de IA/ML, y garantizar la fiabilidad de los sistemas. Se ofrece un contra ...

Ingeniero/a Senior de IA — LLMs y Sistemas Multiagente

Oxigent Technologies busca un/a Senior AI Engineer en Barcelona para desarrollar la plataforma de Agentic LLMs y sistemas multi-agente con tecnología de vanguardia en un entorno innovador. La posición requiere experiencia sólida con LLMs y Python, así como un buen nivel de inglés. Se ofrece un salario ...

Ingeniero de IA Generativa: LLMs y Agentes

Neoris busca un Ingeniero/a de IA Generativa para diseñar e implementar soluciones avanzadas utilizando LLMs y arquitecturas RAG en Madrid. Deberás tener experiencia en la creación de sistemas de agentes autónomos y en el tratamiento de grandes volúmenes de información. Los candidatos ideales tienen al ...

Barcelona Hybrid: Senior ML Engineer, GenAI & NLP

Innoit Consulting in Spain is looking for a Senior Data Scientist/Machine Learning Engineer to work in a hybrid role focusing on advanced ML and AI solutions. You will drive projects in risk analytics and develop various models for forecasting and operational efficiency. Candidates should have a minimu ...

Hybrid Barcelona: Senior Data Scientist, GenAI, NLP & Risk

Innoit Consulting is seeking a Senior Data Scientist / Machine Learning Engineer for a hybrid role in Barcelona. You will work on advanced ML and AI solutions, collaborating with various teams to enhance data-driven decisions. This position requires over 7 years of relevant experience, especially in financial ...

LLM Inference Architect: RAG + Multi GPU Optimization

Airbus Defence & Space is looking for an LLM Inference Engineer in Getafe to optimize the efficiency and scalability of Generative AI systems. Responsibilities include model serving optimization and multi-GPU management. Candidates should have 3+ years of experience in ML Engineering and proficiency in Python ...

Field Deployment Engineer, AI Agents & Production Ready

InteractiveAI is seeking a Forward Deployed Engineer to lead the deployment of agentic AI solutions that resolve critical business challenges. You'll work with a variety of clients, leveraging your expertise in backend engineering and systems integration. Successful candidates will have 5+ years of rel ...

Senior LLM Engineer — Shape Next Gen Language Models

European Tech Recruit is seeking a Mid/Senior LLM Engineer in Madrid to design and refine language models using cutting-edge AI. This hybrid role involves collaboration with teams to integrate models into products while tackling significant challenges in LLM and NLP. The ideal candidate has at least a ...

Senior Agentic AI Engineer for Autonomous LLMs

Factech Servicios Informáticos en Barcelona busca un/a Agentic AI Engineer para transformar la interacción con servicios financieros mediante IA. El candidato/a liderará el desarrollo de una plataforma innovadora, diseñando y evolucionando agentes autónomos que automaticen procesos críticos y mejoren la exper ...

AI Value Engineer Orbit Graduate Program (Japan)

A leading SaaS company is seeking an Associate AI Applied Engineer to join their global Value Engineering team in Madrid. The role involves collaborating with clients to identify business challenges and showcasing the benefits of Celonis Process Intelligence. Candidates should have a degree in Engineering or Com ...

Platform Engineer: Agent Harness & Orchestration

Kyndryl is seeking a Platform Engineer in Madrid, Spain, to develop an internal agent harness that transforms foundation models into AI agents. Your role will involve designing the runtime, orchestration, and guardrails for scalable and reliable productivity. You should have over 5 years of experience ...

ML Engineer Apprentice — Fully Funded Master’s in Barcelona

HARBOUR.SPACE Institute of Technology is seeking a mid-level ML & AI Engineer for a unique work-study opportunity. You'll build and deploy ML models while completing a fully-funded Master's in Data and Computer Science in Barcelona. Key qualifications include 3+ years of experience in machine learning, ...

Data & Ai Engineer Hybrid In Madrid Aws & Llms

Experis Manpower Group busca un/a Data Engineer / AI Engineer en Madrid para desarrollar soluciones de datos e inteligencia artificial en entornos AWS.Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.La persona sel ...

Senior Embedded UWB Engineer — Remote

TechTeamz is seeking a Senior Embedded UWB Engineer to join their remote team in Galicia, Spain. This engineer will play a crucial role in developing embedded software for ultra-wideband (UWB) systems and will be responsible for validation, debugging, and performance analysis in real-world scenarios. T ...

Barcelona Lead Full Stack Engineer — Founding Role (Hybrid)

We are looking for the very Top Talent...And we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 ...

Ai Engineer – Genai Evaluation & Monitoring €70.000 €80.000 A Year

Madrid (Hybrid: 3 days office / 2 remote)€70K–80K + 15% bonus + Benefits International environment | 20 days remote work abroad 3 open positions Solicitar este puesto es sencillo. Desplácese hacia abajo y haga clic en Solicitar para ser considerado para esta posición. ...

Senior Network Engineer

Join to apply for the Senior Network Engineer role at NTT DATA, Inc. Join to apply for the Senior Network Engineer role at NTT DATA, Inc. Direct message the job poster from NTT DATA, Inc. We're Hiring: Senior ...

Senior Ml Engineer — Generative Ai & Llm Systems

RequirementsRecuerde revisar su CV antes de enviar la solicitud. Además, asegúrese de leer todos los requisitos relacionados con este puesto.Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field or equivalent work experience, 4+ years of industria ...

AI Engineer specializing in Generative AI (LLMs & Computer Vision) | Spain (Cataluña)

Data Scientist / AI Solutions Developer Infoser NT is looking for a Data Scientist with a strong practical focus on AI solution development to join an innovative and fast‑moving AI engineering environment. Key Responsibilities Design, develop, and iterate AI and machine learni ...

Senior Python Developer (Apache Ecosystem)

Senior Python Developer (Apache Ecosystem) – BairesDev We are a leading technology solutions provider, delivering cutting‑edge solutions to top‑tier companies worldwide. Our remote team of over 4,000+ top‑tech talent works on high‑impact projects across the globe. About the ...

Generative Ai Engineer For Real World Ml Solutions

Infoser New Technologies in Murcia is seeking a Data Scientist to develop AI solutions in a fast-moving environment. The ideal candidate will have a strong focus on practical applications, combining business insights with technical abilities.Inscríbase (haciendo clic en el botón correspondiente) después de ...

Senior Full Stack Engineer — Hybrid (Barcelona)

Ersilia is seeking a Senior Full Stack Engineer in Barcelona to build and own product features, collaborating closely with tech leadership. The role focuses on both frontend and backend development using React and Node.Js, ensuring the delivery of high-quality software used daily by customers.Maximice sus ...

Senior AI Platform Architect & Tech Lead

Capitole in Spain, Cataluña is seeking a Senior Tech Lead / Lead Engineer to join their international AI & Data engineering environment. This role involves providing hands-on technical leadership, defining architecture, and supporting the design of scalable solutions across various teams. The ideal can ...

Ingeniero IA para Automatización de Contenido (Azure)

ALTEN busca un AI Engineer‑E2E Content Manager para un innovador proyecto en el sector farmacéutico. El candidato diseñará e implementará soluciones de inteligencia artificial para optimizar el ciclo de vida del contenido en un entorno E2E. Se requiere experiencia en Azure AI, desarrollo de software en ...

Remote Lead Full Stack Engineer — AI Driven SaaS Architect

CoverGo | Insurtech is seeking a Lead Full Stack Engineer to drive the technical vision of their enterprise-grade insurance platform. You will lead a team of engineers, focusing on scalable software and integration of AI capabilities. This role requires 8+ years of Full Stack development experience, wi ...

Senior Python Developer (Apache Ecosystem)

Senior Python Developer (Apache Ecosystem)Haga clic en Solicitar a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.– BairesDevWe are a leading technology solutions provider, delivering cutting‑edge solu ...

Senior Python Developer (Apache Ecosystem)

Senior Python Developer (Apache Ecosystem)Haga clic en Solicitar a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.– BairesDevWe are a leading technology solutions provider, delivering cutting‑edge solu ...

Senior Python Developer (Apache Ecosystem)

Senior Python Developer (Apache Ecosystem)Haga clic en Solicitar a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.– BairesDevWe are a leading technology solutions provider, delivering cutting‑edge solu ...

Senior Python Developer (Apache Ecosystem)

Senior Python Developer (Apache Ecosystem)Haga clic en Solicitar a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.– BairesDevWe are a leading technology solutions provider, delivering cutting‑edge solu ...

Senior Python Developer (Apache Ecosystem)

Senior Python Developer (Apache Ecosystem)Haga clic en Solicitar a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.– BairesDevWe are a leading technology solutions provider, delivering cutting‑edge solu ...

Senior Ai Test Automation Engineer (Castro Urdiales)

Senior AI Test Automation Engineer - Hybrid Madrid We are looking for a Senior AI Test Automation Engineer to lead and evolve the test automation strategy for an advanced AI & MLOps platform. You will combine strong hands‑on expertise in Python-based automation with the ability to design scalable ...

Founding Engineer IT Management Domain

3 days ago Be among the first 25 applicants Hello! Factorial is hiring a Senior Software Engineer to help us build the next generation of internal IT tools for thousands of businesses worldwide. You’ll join the newly formed IT Management domain , where we’re creat ...

Senior Integration Platform Engineer | Hybrid 60/40

zooplus SE, located in Spain, is looking for a Senior Software Engineer responsible for designing scalable integration solutions. The role includes creating a unified integration ecosystem by defining best practices and reusable patterns. Candidates should have strong experience in backend software eng ...

Devops Engineer

Multiverse ComputingEnvíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.Multiverse is a well-funded, fast-growing deep-tech company founded in 2019. We are the largest quantum software company in the EU and have been ...

Ai Engineer €30.000 €35.000 Al Año (Madrid)

Location & Working Model Madrid (Hybrid: 3 days office / 2 remote) €70K–80K + 15% bonus + Benefits International environment | 20 days remote work abroad 3 open positions About the Opportunity We are currently supporting a fast-growing international e-commerce ...

Senior ML Engineer — Generative AI & LLM Systems

Requirements Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field or equivalent work experience ,4+ years of industrial experience in a machine learning engineering or data engineering role ,Strong programming skills in Python ...

Senior Machine Learning Engineer

Requirements Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field or equivalent work experience ,4+ years of industrial experience in a machine learning engineering or data engineering role ,Strong programming skills in Python ...

Jr. Software Development

Ready to build the foundation of your software engineering career in a growth-focused program? Amazon is looking for highly motivated students to join the Jr. Developer Program (JDP). As a Jr. Software Development Engineer (Jr. SDE), you will write real software and collaborate with experienced engineers w ...

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