157,822+ Ai Driven Fullstack Engineer Java React Jobs in Spain — Top Companies Hiring June 2026

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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 ...

LLM/AI Engineer — Remote with Flexible Hours

Diverger busca un LLM/IA Engineer que sea responsable de diseñar y construir agentes inteligentes. El candidato liderará proyectos de integración de LLMs, garantizará observabilidad y seguridad, y operará infraestructuras de ML. Se requiere experiencia con Python, arquitecturas asíncronas, y desarrollo ...

Senior Software Engineer — AI Native, Remote, Equity

Process Street is looking for a Senior Software Engineer in Barcelona to help architect an AI-native product. In this role, you will design backend systems, develop scalable APIs, and lead a team, all while collaborating in a flexible, remote culture. The ideal candidate has extensive experience in sof ...

Generative Ai Engineer: Backend Python & Llms Valencia

Sectorea, empresa multinacional tecnológica en Valencia, busca un profesional para desarrollar soluciones de Inteligencia Artificial Generativa. Participarás en un proyecto internacional con tecnologías punteras en entornos DevOps. Responsabilidades Desarrollar soluciones de Inteligenc ...

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 ...

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 ...

Senior Data Engineer Cloud Pipelines & AI Analytics

Bravofly is seeking a Data Engineer in Madrid, Spain, to design and maintain data pipelines that enhance the travel experience for millions. You will work closely with the Data Analytics Team and bring your expertise in SQL, Google BigQuery, and Python to the forefront. Enjoy a flexible working environment, incl ...

AI Engineer for 3D Design & Azure Deployment

Avanade en Santa Cruz de Tenerife busca un profesional para desarrollar proyectos de inteligencia artificial orientados hacia el diseño 3D. El candidat@ deberá tener experiencia en la creación de modelos y en el uso de Python y herramientas como TensorFlow. Se valorará el interés en el diseño y program ...

Senior Machine Learning Engineer – Generative AI / LLMs

Job Summary We are looking for a Machine Learning Engineer specialized in LLMs/GenAI to work end-to-end. The role involves collaborating on solution design, defining technical architecture, and producing low-level documentation. It includes the development and industrialization of GenAI solutions ...

Airframe Design Engineer Intern — CATIA V5 & AI

A leading aerospace manufacturer is seeking a recent graduate for an internship as an Airframe Design Engineer in Albacete, Spain. This full-time position offers the opportunity to engage with real-life aeronautical challenges and contribute to innovative projects within a dynamic team. The internship is coupled ...

AI Inference Engineer QVAC (100% remote Worldwide)

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reser ...

Senior Backend Engineer Pricing Engine & AI Tools

Insider, Inc. is looking for a Senior Backend Engineer in Barcelona to develop our core pricing manager system, focusing on building APIs and infrastructure. Collaborate closely with cross-functional teams to deliver impactful solutions for the hospitality industry. You'll work with Go and Python while ...

Salesforce Solutions Engineer — AI Agents & Automation 🤖

🌿 Sobre nosotrosEn Kuik no hacemos magia, hacemos tecnología. Pero tecnología que entiende a las personas, a los procesos y a cómo funcionan realmente las empresas.Desde 2010 ayudamos a compañías a transformar operaciones, sistemas y experiencias di ...

Aerial Robotics Research Engineer – UAV Autonomy & AI

Descripción de la oferta The Mobile Robotics research line of the Robotics and Automation Unit at Eurecat Technology Center (Barcelona) is seeking a highly motivated researcher/engineer with strong expertise in aerial robotics, autonomous UAV systems, AI-driven perception, navigation, loc ...

Senior Platform Engineer – Agentic AI & Harness Engineering

Who We AreAt Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a las ...

Remote AI Research Engineer: Kernel & Inference Optimization

Tether Operations Limited is seeking an AI Research Engineer (Kernel & Inference Optimization) for a fully remote role. In Barcelona, Spain, you will focus on optimizing advanced AI models for efficient deployment and performance across various applications. Your responsibilities will include designing ...

Staff Machine Learning Engineer for AI Product

We are creating freedom for SMEs to succeed by delivering Europe’s leading finance workspace with banking at its core, complemented by financial tools. Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ employees and serves over 600,000 customers across 8 European countries. ...

Automation QA Engineer French AI Voice Assistant

M47 - AI Company in Madrid is seeking an Automation QA Engineer to join its AI Voice Assistant project. You will ensure responsiveness and efficiency in user interactions and deliver a seamless user experience. The ideal candidate has over 2 years of automation testing experience and native French lang ...

Azure Databricks Data Engineer Cloud Data & AI

Bluetab is seeking a Data Engineer to join their team in Pamplona, Spain. You will work in an Agile & DevOps environment, collaborating internationally on data management and reporting solutions. Your role will encompass developing ETL processes and managing data platforms while ensuring compliance wit ...

Senior AI Engineer – LLMs, RAG (O Chazo)

En MBC, firma de consultoría de negocio, estrategia y operaciones de Indra Group, formamos equipos híbridos de negocio e IA, conectando áreas de negocio y tecnología de forma ágil, escalable y sostenible. ¿Te apasiona convertir la información en decisiones que marcan la diferencia? Este es tu ...

Lead AI Test Automation Engineer — Hybrid Madrid

Ust busca un Senior AI Test Automation Engineer para liderar la estrategia de automatización de pruebas en una plataforma avanzada de IA y MLOps. Debe tener experiencia en automatización basada en Python y diseñar marcos escalables. Este rol híbrido se ubicará en Madrid con un enfoque fuerte en la cali ...

Machine Learning Engineer (AI/GenAI). 100% Remoto

En Experience IT Solutions, compañía especializada en proyectos de innovación y transformación digital, buscamos un/a Senior Machine Learning Engineer especializado/a en IA Generativa, LLMs y soluciones basadas en Agentic AI para incorporarse a un proyecto innovador en entorn ...

Senior Machine Learning Engineer – LLMs & Agentic AI

OverviewKeysightis on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15, employees create world-class solutions in communications, 5G, automotive, energy, quantu ...

Senior Applied AI Engineer – Developer Productivity & SDLC

OverviewKeysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15, employees create world-class solutions in communications, 5G, automotive, energy, qu ...

Agentic AI Engineer (Agents & LLM Systems) Remoto

¡Únete a eXperience IT Solutions y forma parte de proyectos innovadores de Inteligencia Artificial Generativa!En eXperience IT Solutions, empresa tecnológica con más de 25 años de experiencia en el sector IT, apostamos por el talento, la innovación y el desarrollo profesional. Trabajam ...

AI Software Engineer (Paris/Madrid/Munich/Milan)

Job DescriptionGoodrecruiter es una firma especializada en executive search y RPO que acompaña a organizaciones internaciona ...

Senior AI Platform Backend Engineer (LLM), Madrid

Senior AI Platform Backend Engineer (LLM)We are seeking a talented and proactive Senior AI Platform Backend Engineer (LLM) to lead the design, optimization and deployment of machine learning pipelines using MLOps in cloud environments. In this role, you will implement LLM-based solutions for chatbots and Ret ...

Senior Data Engineer (Data & AI Platform)

Responsabilidades:Diseñar, implementar y mantener pipelines de datos eficientes y escalables que den soporte a reporting, BI, IA y ML.Garantizar la calidad, integridad, disponibilidad y seguridad de los datos mediante prácticas sóli ...

Lead Engineer – AI & Personalization (Travel Things) – (Hybrid)

As you contemplate your future you might be asking yourself whats the next step? Start your journey with usWere seeking an experiencedLead Engineer AI amp; Personalizationto join ourTravel Things Teamin our Barcelona Madrid or Milan hybrid to optimize the funnel experience conversion amp; Revenue Op ...

AI Inference Engineer QVAC (100% remote Worldwide)

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reser ...

AI Systems Engineer (LLM & RAG Optimization), Madrid

AI Systems Engineer (LLM & RAG Optimization)Job Description: Airbus Defence Space is looking for an LLM Inference Engineer to optimize the efficiency and scalability of Generative AI systems. The selected candidate will join the Architecture Integration team at CLAEX, in Torrejón de Ard ...

Application Support Engineer — Blockchain Security & AI Automation

At , our dedication to user security is led by our highly experienced Security Team. Comprising an international roster of seasoned cybersecurity experts, our team leads the company's Security, Privacy, and Security Compliance endeavors. The team includes holders of international patents for technologies integra ...

Aerial Robotics Research Engineer – UAV Autonomy & AI

The Mobile Robotics research line of the Robotics and Automation Unit at Eurecat Technology Center (Barcelona) is seeking a highly motivated researcher/engineer with strong expertise in aerial robotics, autonomous UAV systems, AI-driven perception, navigation, localization and flight autonomy.The s ...

Data Ops Engineer – AI Enablement | Madrid (Remoto)

¿Te apasionan los datos y la Inteligencia Artificial Generativa? Buscamos un/a Data Ops Engineer – AI Enablement para incorporarse a un entorno tecnológico innovador donde los datos, la analítica avanzada y la IA son elementos clave para la transformación del negocio.La persona selecci ...

Data & AI Strategy Knowledge Graph Engineer, hibrido

Data & AI Strategy Knowledge Graph EngineerAre you ready to design the semantic backbone of next-generation AI systems? At Accenture, we are reinventing organizations through technology, data, and artificial intelligence-helping clients unlock new sources of value and measurable impact for their businesses a ...

AI Engineer: Remote, Flexible Hours, Equity & Growth

Mática Partners, en Córdoba, busca un/a IA Engineer con experiencia en IA Generativa. El candidato ideal tiene al menos 3-4 años de experiencia, debe tener conocimientos sólidos en Python e integración de LLMs via API. Ofrecen un contrato indefinido con un salario entre 38.000 y 44.000 euros brutos/año ...

Data & AI Engineer: Foundation Models & MLOps (Hybrid)

Accenture en España busca un experto en Data & AI para definir e implementar soluciones basadas en Foundation Models. Ofrecemos un entorno dinámico donde colaborarás en proyectos innovadores, utilizando tecnologías avanzadas. El trabajo es híbrido, permitiendo flexibilidad entre la oficina y el hogar. ...

Senior Software Engineer AI Fintech foundation (Spain)

About The Team Hopper's Fintech Foundation team sits at the centre of the company's mission: reshaping how more than 100 million monthly active users experience travel. It owns the pricing engine that balances customer demand against financial risk across dozens of partners — including Capital On ...

Senior Frontend Vue.js Engineer — Remote AI Platform

En Abalia, ubicada en Sevilla, buscamos un/a Frontend Developer (Mid/Senior) para unirse a nuestro equipo de Innovación. Esta posición implica el desarrollo de una plataforma de IA para contact-center, trabajando bajo metodologías Agile como Scrum y Kanban. El trabajo se realiza en modalidad de teletra ...

Senior Genai Engineer / Ai Solutions Architect (Barcelona)

Qué buscamos Buscamos un/a perfil senior especializado/a en IA Generativa, desarrollo backend y arquitecturas cloud-native, con experiencia llevando soluciones de IA desde la fase de diseño hasta producción. La persona participará en iniciativas de automatización, asistentes inteligentes y solucio ...

Junior AI Engineer: GenAI Prototyping & Remote Work

knowmad mood, ubicada en Las Rozas de Madrid, busca un/a Junior AI Engineer con ganas de aprender y crecer en la inteligencia artificial. Valoramos una actitud proactiva, curiosidad y experiencia inicial con LLMs. Ofrecemos un contrato indefinido, modelo de trabajo remoto, horario flexible, 22 días de ...

Senior AI Security Engineer Robustness & MLOps Lead

Keysight Technologies is seeking a Senior ML Security & Robustness Engineer in Barcelona. This role focuses on leading the design of secure ML systems and deploying adversarial defenses across various architectures. You will work closely with cross-functional teams to ensure the security of machine lea ...

Generative AI Engineer – LLMs & Computer Vision (Remote)

Infoser New Technologies in Gijón is seeking a Data Scientist to develop practical AI solutions for real-world challenges. The candidate will work on the entire AI development lifecycle, focusing on innovative and effective machine learning applications. We are looking for someone with strong Python sk ...

Senior Backend Engineer: Product Led AI Microservices

MASORANGE busca un desarrollador/a Backend para unirse a su equipo en Valencia. El candidato ideal debe tener una sólida experiencia en Java 21 y arquitecturas de microservicios, así como un enfoque orientado al producto y la capacidad de trabajar de manera autónoma. Las responsabilidades incluyen el d ...

AI Powered GTM Engineer for Growth & ABM

Bridged - Event Growth Platform is seeking a skilled professional to build AI-driven workflows for enterprise account targeting and optimize GTM campaigns across multiple channels. The role involves developing lead scoring models, creating automated pipelines, and generating actionable insights from experimen ...

Senior Backend Engineer: Product Led AI Microservices

MASORANGE, situada en O Chazo, Galicia, busca un desarrollador/a Backend apasionado por la tecnología y con experiencia en Java 21 y microservicios. Trabajarás en un entorno Agile, siendo responsable de todo el ciclo de desarrollo, desde la identificación de problemas hasta la implementación y monitoreo. ...

Remote Backend Engineer: Python, Generative AI (FastAPI)

Capitole busca un desarrollador backend con más de 3 años de experiencia en Python para diseñar y desarrollar agentes conversacionales mediante IA Generativa. El trabajo incluye la integración de soluciones con Salesforce y diversas APIs, trabajando principalmente en Google Cloud Platform. Se ofrece mo ...

Senior Product Oriented Web Developer

About Us We're Bloom — a digital ecosystem specialized in women's healthcare.¿No sabe con seguridad qué habilidades necesitará para esta oportunidad? Simplemente lea la descripción completa a continuación para obtener una idea clara de los requisitos del candidato.We have our own media and strategic ...

Senior Analista Java Backend – Microservicios & APIs

Ayesa Digital está buscando un/a Analista Orgánico/Programador Java con más de 5 años de experiencia. El puesto requiere habilidades en desarrollo de aplicaciones backend en Java, diseño de APIs REST, y gestión de microservicios utilizando tecnologías como Spring Boot, Docker y Kubernetes. La persona i ...

Senior Analista Java Backend – Microservicios & APIs

Ayesa Digital está buscando un/a Analista Orgánico/Programador Java con más de 5 años de experiencia. El puesto requiere habilidades en desarrollo de aplicaciones backend en Java, diseño de APIs REST, y gestión de microservicios utilizando tecnologías como Spring Boot, Docker y Kubernetes. La persona i ...

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