149,512+ Ai Driven Fullstack Engineer Java React Jobs in Spain — Top Companies Hiring June 2026

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Software Engineer — Quantum & AI Systems

Multiverse Computing in Donostia/San Sebastián is seeking a passionate Software Engineer to join their dynamic team. You will work closely with Quantum and AI experts to develop cutting-edge software solutions for Fortune-500 clients. The ideal candidate should have a Bachelor's degree, expert knowledge in Pytho ...

Process & Quality Engineer (AI & Automation)

¿Por qué RCD? RCD es un despacho de abogados global, dinámico e innovador, referente en el asesoramiento jurídico integral. Cuenta con más de 20 áreas de especialización legales y sectoriales, y un equipo formado por 50 socios/as y 400 profesionales en España, con oficinas en Barcelona, Madrid, V ...

Full Stack AI Engineer | Madrid

Role Description We are still 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 company with over 35,000 employees all over the world and presence in more tha ...

AI Software Engineer — Madrid Onsite

Una empresa de tecnología emergente en Madrid busca un desarrollador de software con al menos 4 años de experiencia en entornos tecnológicos. El candidato ideal debe tener habilidades en TypeScript, experiencia en inteligencia artificial y pasión por el desarrollo de productos en etapas iniciales. Se ofrece un a ...

AI & Python Engineer Hybrid Madrid

Una empresa tecnológica busca un/a Especialista en Desarrollo con IA con experiencia en agentes inteligentes y Python. El perfil participará en la implementación de soluciones de IA y colaboración con equipos multidisciplinares. Se ofrece un contrato indefinido, modalidad híbrida, y horarios flexibles. Se requie ...

AI Product Engineer Operations Domain

Hello! Do you want to help us redefine how AI powers the future of Business Management software, not as an add-on, but as a core part of how people work, decide and grow? We’re looking for engineers who: ...

AI Document Processing Backend Engineer

An innovative AI-focused company in Spain is seeking a passionate Backend Developer to lead document processing solutions. You will be responsible for evaluating OCR tools and developing a pipeline in Python while working with cutting-edge AI technologies. Ideal candidates should have strong Python skills and fa ...

AI Strategy & Delivery Consultant Engineer

A global consulting firm in Barcelona seeks an Applied AI Consultant Engineer. This hybrid role involves supporting strategic consulting projects using AI-powered innovation and leading internal AI initiatives. Candidates should have a Bachelor's or Master's degree in a relevant field and 2–5 years experience in ...

Senior AI Machine Learning Engineer

As a Senior AI/ML Engineer, you are a key technical contributor responsible for developing and deploying complex AI initiatives. You will focus on the end-to-end lifecycle of ML solutions, from technical design and coding to production deployment and continuous optimization. This is a high-impact technical ...

Senior AI Machine Learning Engineer

As a Senior AI/ML Engineer, you are a key technical contributor responsible for developing and deploying complex AI initiatives. You will focus on the end-to-end lifecycle of ML solutions, from technical design and coding to production deployment and continuous optimization. This is a high-impact technical ...

GenAI Engineer — LLMs, AI & Cloud

Una empresa de tecnología en Alicante busca un AI Engineer con al menos 3 años de experiencia en desarrollo de IA generativa. Se valorarán conocimientos en fine tuning de LLMs y lenguajes como Python y FastAPI. Ofrecen un entorno laboral flexible con beneficios como seguro médico, formación y oportunidades de cr ...

Senior AI Integration & Automation Engineer

Celonis is the global leader in Process Intelligence and the pioneer of Process Mining technology. As one of the world’s fastest‑growing enterprise SaaS companies, we are changemakers pushing the boundaries of what’s possible. We invest heavily in advanced AI capabilities—specifically our Process Intellige ...

Founding AI/ML Engineer (Remote)

We are hiring a Founding AI/ML Engineer to architect and ship production‑grade AI systems transforming one of the world’s largest and least automated industries — construction. This is a product‑first AI engineering role focused on multimodal intelligence, document understanding, and agentic workfl ...

Junior AI Engineer Agentic Workflows

Zurich Technology Delivery Center (TDC) is a Barcelona-based hub of technological excellence providing software development, data analytics, cybersecurity, and IT infrastructure solutions for Zurich Insurance Group. We’re seeking a Junior AI Engineer – Agentic Workflows to support the devel ...

Senior AI Agent & Workflow Engineer

Job Overview Senior AI Engineer – Agentic Workflows to build the skills, tools, and agents that power our most advanced products incorporating generative AI—and to bring them together into reliable, production‑ready workflows. Role Description You will work closely with business ...

AI DevOps Engineer | Pharma (Hybrid)

AI DevOps Engineer We are looking for an AI DevOps Engineer to join a global team focused on transforming software management, packaging, and distribution through intelligent automation and AI‑powered operations. Overview This role represents the evolution from traditional DevOp ...

AI Systems Engineer (Agentic Development)

Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-p ...

AI First GenAI Engineer (Cequeliños)

? We are still 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 ...

AI Native Forward Deployed Engineer

011h busca un/a Forward Deployed Engineer para unirse a su equipo transformador en la construcción sostenible. El rol requiere habilidades en desarrollo de software y experiencia en IA para automatizar procesos que mejoren la eficiencia en el sector. El candidato ideal debe tener más de 5 años de exper ...

Data Engineer for AI Product

Join us as a Data Engineer (ML Infrastructure) to build the data layer that powers Qonto's machine learning products. Working alongside 15 ML Engineers, you will own the pipelines, feature stores, and model serving infrastructure that turn raw financial data into production‑grade ML so engineers spend thei ...

Conversational AI Platform Support Engineer

Capitole busca un Especialista en Soporte Técnico para plataformas de IA conversacional en Andalucía, Málaga. El candidato ideal debe tener más de 2 años de experiencia en Cognigy o plataformas similares, como Dialogflow o Microsoft Bot Framework. Las responsabilidades incluyen dar soporte técnico, ges ...

Analytics Engineer: Data, Digitalization & AI

Zurich 56 Company Ltd seeks an Analytical Engineer in Barcelona to build and manage analytics-ready data products crucial for decision-making and AI solutions. You will develop ETL pipelines, design data models, and ensure data quality for effective reporting. This role requires advanced SQL skills and experienc ...

AI Solutions Engineer — Hybrid (Spain)

Una empresa líder en el sector bancario busca un especialista en Inteligencia Artificial para desarrollar soluciones innovadoras. Participarás en proyectos de IA, desde la creación de prototipos hasta la integración en sistemas existentes. Se requiere un título universitario y experiencia en tecnologías de IA, a ...

Junior AI Engineer GenAI & LLMs

En eXperience IT Solutions, compañía tecnológica consolidada con más de 250 profesionales en activo, impulsamos proyectos estratégicos para clientes de primer nivel en distintos sectores, combinando innovación, visión de negocio y excelencia técnica. Apostamos por el talento, la estabilidad y el desarrollo ...

Web & AI Automation Engineer (Hybrid)

A leading B2B tech company is seeking a Technical Profile to drive web development, technical SEO, and AI automation. Candidates should have over 3 years of front-end development experience, particularly in Webflow. This role offers ownership of the corporate website, optimizing performance, and automating marke ...

Senior Full Stack AI Engineer

We’re seeking a skilled and thoughtful GenAI Engineer who is passionate about building well-architected, scalable systems using Python, GenAI and AWS Lambda. This role is ideal for someone who enjoys working in a modular service-oriented environment and believes in writing clean, testable, and maintainable ...

Manual AI Assisted QA Engineer

Join COLIBRIX.ONE – Innovating the Future of Payments At COLIBRIX.ONE*, we are building advanced, AI‑powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed EMI (FCA reference numbe ...

Senior AI & Finance Automation Engineer

Entravision is seeking a Senior AI & Automation Engineer to enhance financial processes through intelligent automation. This role involves designing LLM-powered workflows and collaborating with Finance and Legal teams to identify automation opportunities. The ideal candidate will have 5+ years in softw ...

Enterprise AI Deployment Engineer (EMEA)

Capably is seeking a Forward Deployed Engineer in Madrid, Spain. This role involves translating ambiguous business workflows into deployable systems, working directly with customers, and driving implementations that deliver results. Candidates should have a strong software engineering background, problem-solving ...

Senior AI Engineer Agentic Workflows

About Zurich Insurance Group Zurich Insurance Group is a global leader in insurance. This role specifically pertains to our Technology Delivery Center (TDC), established in Barcelona in 2006. The TDC provides cutting‑edge technological solutions and support to Zurich's local and global bu ...

AI Data Platform Engineer (MLOps)

## AI Data Platform Engineer (MLOps)Solicitarremote type: Hybridlocations: MADRIDtime type: Tiempo completoposted on: Publicado hoyjob requisition id: JR We are **One Team.** We **make it happen.** We are **Unstoppable.**BABEL es una consultora tecnológica multinacional especializada en aplicar sus ser ...

AI & MI Procurement Cost Engineer

Amazon is seeking a Supply Chain Manager II in Barcelona, responsible for driving cost engineering and digital optimization in procurement categories like Packaging and Robotics. This role requires collaboration with various teams to improve cost models and negotiation processes. The ideal candidate ha ...

AI Research Engineer Pre training

AI Research Engineer – Pre Training (Spain) We are currently looking for an AI Research Engineer – Pre Training in Spain. This role sits at the core of next-generation AI model development, focusing on advancing large-scale pre-training systems that power state-of-the-art intelligence. You will w ...

Healthcare AI Strategy & Delivery Engineer

A global consulting firm in Barcelona is looking for an Applied AI Consultant Engineer to enhance consulting workflows with AI. This hybrid role involves supporting project delivery, designing AI solutions, and working with a senior team in healthcare. Candidates should have strong Python skills and relevant exp ...

AI Research Engineer Reinforcement Learning

About Helsing Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards. We are an ambitious and committed team of engineers, AI speci ...

Customer Facing AI Deployment Engineer

Pensero AI is looking for a Forward Deployed Engineer to act as a bridge between our innovative technology and the unique needs of each client. You will oversee customer deployments and be instrumental in shaping the onboarding process, ensuring that each client receives a solution tailored to their specific ...

AI & Data Solutions Presales Engineer

Fujitsu Digital Age Assurance busca un profesional con al menos 3 años de experiencia en consultoría de proyectos de datos. Se requiere experiencia en el diseño e implementación de soluciones de machine learning. El candidato debe tener un Grado en Ingeniería en áreas relevantes y un buen nivel de ingl ...

AI Engineer API & Integrations Team

Do you want to help us redefine how AI powers the future of Business Management software, not as an add‑on but as a core part of how people work, decide and grow? The Team The API & Integrations team addresses challenges at Factorial. We sit at the intersection between product and platfor ...

AI Research Engineer (PhD required)

At NeuralTrust, we’re looking for a AI Research Engineer (PhD required) to lead our product vision, shape our platform strategy, and work closely with enterprise clients to secure and scale their AI transformation. Join us! About NeuralTrust We’re a Barcelona-based startup that is r ...

Software Engineer AI Assisted Development

Software Engineer - AI Assisted Development Project Summary We are looking for a Software Engineer to lead the adoption of AI‑assisted coding practices across the organization. This role combines hands‑on engineering, enablement, and governance—defining how AI is used in software developm ...

Backend Engineer – MedTech AI (Hybrid)

Cells IA, una empresa farmacéutica en Madrid, busca un desarrollador back-end con experiencia en Python y FastAPI. El candidato ideal tendrá un mínimo de 3-5 años en el desarrollo de servicios en producción y trabajará en un ambiente híbrido con un día de teletrabajo a la semana. Las responsabilidades ...

Analytics Engineer Data, AI & Reporting

Zurich Insurance is seeking an analytical engineer in Barcelona to develop and manage analytics-ready data layers and ETL processes. This role supports the audit function by transforming raw data into reliable assets for reporting and AI use cases. The ideal candidate has strong SQL skills, experience ...

Product Engineer (AI & Full Stack)

Buscamos Product Engineer (AI & Full Stack) en PROXUS En PROXUS estamos ampliando el equipo de producto y desarrollo. PROXUS es un proyecto que empezamos hace 2 años cuatro compañeros de la universidad y que hoy ya utilizan más de 150.000 estudiantes en toda España . Est ...

DevOps Engineer Python AI Automation

Can you imagine building intelligent automation platforms that transform software delivery and IT operations? Join our expert team to work on a Software‑Defined Automation platform, contributing to the development of intelligent solutions for software management, packaging and distribution. ...

AI Engineer | Remoto en España

¿POR QUÉ ELEGIR SNGULAR? La gente viene a SNGULAR atraída por proyectos que usan tecnologías punteras, y se quedan por los grandes profesionales con los que trabajan. Y además porque ofrecemos esto: ...

Junior AI Engineer GenAI & LLMs

En eXperience IT Solutions, compañía tecnológica consolidada con más de 250 profesionales en activo, impulsamos proyectos estratégicos para clientes de primer nivel en distintos sectores, combinando innovación, visión de negocio y excelencia técnica. Apostamos por el talento, la estabilidad y el desarrollo pr ...

AI Engineer | Remoto en España

¿POR QUÉ ELEGIR SNGULAR? La gente viene a SNGULAR atraída por proyectos que usan tecnologías punteras, y se quedan por los grandes profesionales con los que trabajan. Y además porque ofrecemos esto: ...

AI Engineer | Remoto en España

¿POR QUÉ ELEGIR SNGULAR? La gente viene a SNGULAR atraída por proyectos que usan tecnologías punteras, y se quedan por los grandes profesionales con los que trabajan. Y además porque ofrecemos esto: ...

AI Agentic Engineer ODS, Madrid

AI Agentic Engineer - ODSAI Agentic Engineer - ODS Country: Spain IT STARTS HERE Santander ( is evolving from a global, high-impact brand into a technology-driven organization, and our people are at the heart of this journey. Together, we are driving a customer-centric transformation that values ...

AI Engineer | Remoto en España

¿POR QUÉ ELEGIR SNGULAR? La gente viene a SNGULAR atraída por proyectos que usan tecnologías punteras, y se quedan por los grandes profesionales con los que trabajan. Y además porque ofrecemos esto: ...

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