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

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AI Engineer: End to End Content & Azure Solutions

ALTEN en Huelva busca un AI Engineer - E2E Content Manager para participar en proyectos innovadores en el sector farmacéutico. El candidato diseñará y desarrollará soluciones de inteligencia artificial para optimizar el ciclo de vida del contenido utilizando Azure AI, LLMs, y otros servicios en la nube. < ...

Data Engineer — End to End Pipelines & AI Analytics

Oysho, ubicado en Tordera, busca un/a Data Engineer motivado para construir soluciones de datos escalables. El rol incluye recoger y analizar requerimientos, diseñar y optimizar pipelines de datos utilizando tecnologías como SQL, PySpark y Databricks, así como desarrollar dashboards en Power BI. Se ofr ...

Full Stack AI Engineer for GenAI & ML Solutions

Ntt Data Europe & Latam busca incorporar un Full Stack Engineer para diseñar y desarrollar soluciones de Inteligencia Artificial. Este rol es clave para asegurar la calidad del código y optimizar el rendimiento de modelos de IA. Se requiere experiencia en soluciones de IA, conocimientos de Python, PySp ...

Senior Full Stack ML Engineer — Healthcare AI, Hybrid

A pioneering healthcare technology company based in Barcelona is seeking a Senior Full Stack ML Engineer to lead the development of innovative machine learning models targeted at solving complex healthcare challenges. The role demands strong Python skills, experience in data science, and the ability to mentor co ...

Senior Python Engineer AI Testing Project (Freelance, Mindrift)

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. </ ...

Pre Training AI Research Engineer, Large Scale GPUs

A leading AI research firm in Spain seeks an experienced AI Research Engineer to advance large-scale pre-training systems. You will work directly with cutting-edge GPU architectures to design training pipelines and improve model performance. Ideal candidates have a PhD in Computer Science or related fields, hand ...

Principal Forward Deployed Engineer QuantumBlack, AI by McKinsey

Who You’ll Work With Driving lasting impact and building long‑term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture – doing hard things, picking yourself up when you stumble, and having the resilience to try another w ...

Senior Backend Engineer — Build Enterprise AI Data Layer

Cirql One in Barcelona is seeking a talented Backend Engineer to build the foundational semantic core that connects enterprise data to AI. You will take ownership of features from design through to implementation, ensuring coherence and quality. The ideal candidate will have significant experience in d ...

Senior ML Engineer Explainable AI for Engineering Systems

A technology company in Spain is seeking a Senior Machine Learning Engineer to design and develop machine-learning models that learn from engineering data. This role involves building robust data pipelines and implementing explainable AI techniques. A strong foundation in applied machine learning and proficiency ...

Hybrid Data Engineer for Big Data & AI Research

Eurecat Technology Centre in Barcelona is seeking a Data Engineer to work within the Big Data & Data Science unit. The ideal candidate will design data pipelines, contribute to EU-funded projects, and collaborate on data spaces. Candidates should have an MSc in Computer Science or a related field, along with at ...

Remote Data Scientist & AI Engineer | RAG, LLMs & Cloud

Logicalis Spain busca un Data Scientist / IA Engineer para unirse al equipo de Data, Analytics & IA. El candidato participará en proyectos de ingeniería de datos e inteligencia artificial para clientes nacionales e internacionales. Se requiere experiencia en Python, integración de APIs de IA y plataformas cloud. ...

Senior Backend Engineer for Scalable, Secure AI Voice

Aircall is seeking a Senior Backend Software Engineer to design and develop customer-centric features, focusing on quality and scalability. The ideal candidate has over 6 years of experience in back-end development, particularly with Typescript, and has strong skills in AWS. The role involves mentoring, particip ...

Cloud Security Engineer: Automate and Harden AI Infra

HappyRobot in Barcelona is looking for a Security Engineer to strengthen daily security operations. The position focuses on infrastructure hardening, vulnerability management, and security automation in AWS/GCP environments. You will work closely with compliance requirements and ensure a robust security posture ...

Senior DevOps Engineer: AI in SDLC, GitOps & Cloud

Kairós Digital Solutions SL busca un DevOps Engineer Senior para liderar la evolución de su ToolChain. Deberás tener más de 7 años de experiencia en entornos DevOps, así como un nivel de inglés B2. Las responsabilidades incluyen la gestión de infraestructuras críticas y la implementación de flujos de trabajo bas ...

Spain IT Engineer — Ownership & Growth in AI Ops

HappyRobot in Barcelona is looking for an IT Engineer to lead internal technical operations and support the team. The role encompasses onboarding, technical support, identity management, and infrastructure maintenance. Candidates should have up to 2 years of experience in IT support, along with solid troubleshoo ...

AI DevSecOps Engineer Customer & Marketing (m/f/d)

Your Tasks AI Platform Security Implementation: Design and implement comprehensive security measures and threat protection systems for AI platform infrastructure, ensuring robust defense against emerging security vulnerabilities and attack vectors. AI Governance Framework Developm ...

Real time Frontend Engineer for Voice AI Platform

SLNG Ltd in Barcelona seeks a frontend developer to create engaging applications and enhance our developer portal. This role involves collaboration to produce demo interfaces and streamlining user experiences with cutting-edge technologies. We offer a hybrid work model, generous compensation, and a bro ...

Senior GenAI Engineer & LLM Architect for Production AI

Excelia busca un Senior GenAI Engineer para unirse a su equipo en Pozuelo de Alarcón. El candidato ideal debe tener al menos 5 años de experiencia en soluciones de IA Generativa, incluyendo conocimientos avanzados de Python y cloud con AWS. Ofrecemos un contrato estable, remuneración competitiva y acce ...

GenAI Engineer for LLMs & AI Agents – Hybrid Madrid

Experis España está buscando un/a Ingeniero/a GenAI para unirse a su equipo en Madrid. Este rol híbrido implica diseñar, desarrollar y desplegar soluciones de IA generativa, trabajando en un entorno colaborativo e innovador. El candidato ideal tendrá más de 5 años de experiencia en desarrollo de softwa ...

Senior Laravel PHP Back end Engineer | DevOps & AI

Blue Code is looking for a Senior Backend Engineer (PHP / Laravel) to join its growing team in Valencia. The successful candidate will have at least 7 years of experience, with expertise in Laravel, PHP 8.x, AWS, Docker, and a product-minded approach to engineering. This role offers a hybrid work model, permanen ...

Senior AI/ML Engineer & Tech Lead — Hybrid Madrid

Accenture España busca un AI / ML Engineer para unirse a su equipo de Inteligencia Artificial en Madrid. Este rol requiere habilidades técnicas en diseño, desarrollo e implementación de soluciones de IA y machine learning, tanto en entornos cloud como on-premise. Se ofrece un modelo de trabajo híbrido, con opcio ...

Full Stack Engineer, AI Enabled (Python/Angular) – Hybrid

Ernst & Young Advisory Services Sdn Bhd is looking for a highly skilled Software Engineer (Python / Angular) to work in Malaga, Spain. This hybrid role combines full-stack development with opportunities to integrate AI technologies into applications. Candidates should have 2+ years of experience in backend and f ...

Senior Data Engineer for AI Native Creative Platform

An innovative AI-native platform in Madrid is seeking a skilled individual with over 5 years of experience to build distributed backend infrastructure and data architecture. The role involves designing pipelines for AI outputs, ensuring real-time collaboration, and optimizing performance for creative workflows. ...

Energy AI/ML Engineer — Applied Data Science (Hybrid)

A global energy technology company seeks an Applied Data Science Engineer in Barcelona. You will design intelligent solutions for energy management across various environments, applying machine learning and statistical techniques. The ideal applicant holds a master's degree and has significant experience in data ...

Senior French Prompt Engineer – Clinical AI (Remote Europe)

A consulting firm is seeking a Senior French-speaking Prompt Engineer to enhance AI-powered clinical documentation systems. This role emphasizes LLM prompt engineering and innovative solutions within healthcare workflows. The ideal candidate will possess over 5 years of experience, strong Python skills, and flue ...

Senior Software Engineer: Post Booking CX & AI Platform

A leading travel technology company in Valencia is looking for a talented Software Engineer to join the CX Platform team. This role involves designing and building core systems for the post-booking customer experience. Ideal candidates should have over three years of software engineering experience and a strong ...

Remote Python Software Engineer — AML/Big Data AI

Una empresa de software de detección de fraudes busca un Software Engineer (Python) para desarrollar herramientas basadas en inteligencia artificial. El candidato ideal tendrá más de 2 años de experiencia en Python y trabajará en un entorno 100% remoto. Las responsabilidades incluyen el análisis de requisitos, d ...

Lead AI Engineer: Multi Agent Systems & Production LLMs

A leading enterprise AI company in Barcelona is seeking a Senior Engineer to design multi-agent architectures and build backend services in Python. This role involves making foundational architecture decisions and collaborating with product leadership. The ideal candidate has strong experience with Python, agent ...

Senior Python AI Engineer Azure & GenAI (Hybrid Madrid)

Una empresa tecnológica en Madrid busca un Desarrollador Senior especializado en Python. La persona seleccionada liderará la creación de soluciones de Inteligencia Artificial y Machine Learning usando Azure. Ofrecemos un contrato Freelance a tiempo completo, con un ritmo de trabajo híbrido (3 días en oficina y 2 ...

Data Engineer – AI Analytics for ISPs | Hybrid Madrid

A leading tech company based in Madrid is seeking a Data Engineer to enhance access networks for global ISPs. This role involves data collection, analysis, and predictive modeling to support business decisions. The ideal candidate will have a Bachelor's degree in a relevant field and strong experience with Pytho ...

MLOps Engineer: AI Deployments with Kubernetes & CI/CD

An international consulting firm is looking for an MLOps Specialist in Madrid. Your role will enhance digital capabilities by deploying and maintaining AI applications, while collaborating with various departments. Key responsibilities include using Kubernetes for deployment, performing ETL processes, and buildi ...

AI Automation Engineer Intern — Enterprise Product Ops (Madrid)

A leading technology company in Madrid seeks an intern for AI Customer Support Automation. The role involves developing automated workflows, creating Python scripts, and optimizing AI tools. Candidates should be enrolled in a Computer Science degree and possess strong programming skills. This internship offers v ...

Automation QA Engineer: Finnish AI Voice Assistant (Madrid)

At M47, we spark AI!We help tech companies understand how AI can drive their strategic objectives and effectively plan an implementation roadmap. Our mission is to leverage AI to create solutions that can understand, interpret, and respond to human language, empowering businesses and maki ...

Data Engineer: AI Ready ETL & Big Data Pipelines

A leading energy management company located in Barcelona seeks a Data Engineer to modernize data-lake operations. The role involves designing ETL processes, managing complex datasets, and collaborating with cloud engineering teams. Suitable candidates should have a degree in a relevant field and at least 2 years ...

Mid Level AI Engineer: Agentic LLM & RAG Systems

A pioneering Healthtech company in Barcelona seeks a Mid-Level AI Engineer to design sophisticated AI systems. The role focuses on building advanced workflows, managing complex state in AI applications, and ensuring the reliability of generative features. Candidates should have 2-3 years of experience in softwar ...

Gen AI Engineer — Hybrid/Remote, LLM & RAG Specialist

Plexus busca un/a Ingeniero/a Gen IA con más de 5 años de experiencia en ciencia de datos y más de 2 años en GenAI. La persona seleccionada trabajará en proyectos utilizando modelos de lenguaje de gran tamaño y colaborará en un ambiente híbrido que combina trabajo en oficina y remoto. Se valorará exper ...

Software Engineer (AI Augmented) .NET, Vue.js and Cursor

Who we are At Frontiers, our purpose is simple yet ambitious: to make science open. We believe open science empowers the global scientific community to accelerate discovery and develop the solutions needed for healthy lives on a healthy planet. We are one of the world’s largest and ...

Remote Senior Python Data Scraping Engineer AI Pilot

Mindrift is seeking a highly skilled Senior Python Data Scraping Engineer for a part-time remote role. You will drive specialized data scraping workflows within the Tendem project and collaborate with AI agents to ensure accurate and actionable results. The ideal candidate has a strong background in we ...

QA Automation Engineer AI Powered Testing (Hybrid Madrid)

Hispanic Alliance for Career Enhancement is looking for a Software Engineer in Test in Madrid to enhance their quality engineering platform. The role involves developing automated testing solutions, ensuring reliability and efficiency in product deployment, while maintaining high standards of quality. ...

Remote Senior Full Stack Engineer: AI Copilot Apps

eXperience IT Solutions, especializada en innovación digital, busca un/a Full Stack Developer con nivel avanzado de inglés y al menos 5 años de experiencia. Participarás en el desarrollo de aplicaciones que integren inteligencia artificial y Copilot Agents en un entorno empresarial. Ofrecemos un proyec ...

Full Stack AI & Big Data Engineer — Remote Eligible

Upbe is seeking a Full Stack Developer to work on innovative AI-driven products based in Marbella, Spain. This role involves collaborating with cross-functional teams and focusing on software development for various applications. Candidates should have a BS/MS in Computer Science, 5+ years of experience, and str ...

Senior ML Platform Engineer: Build Scalable AI Infrastructure

Super is seeking a Senior Engineer to lead the development of an ML Platform that will significantly influence user experience and data-driven decisions across the organization. This position requires a blend of strategic and hands-on work, ensuring the platform supports ML adoption. The ideal candidat ...

Senior Backend Engineer — Go/Python, AI Microservices, Remote

Neara is looking for a Senior Software Engineer (Backend) to join our remote engineering team. You will design, build, and maintain backend services in Go and Python across a microservices architecture. Your role involves collaborating closely with clients and taking ownership of features from inception to de ...

Applied AI Engineer for Real Estate Analytics (Hybrid)

Tamarind Intelligence busca un AI Engineer en Madrid. Este rol implica diseñar y desplegar modelos de ML en producción, colaborando con datos geoespaciales y diversos equipos para impactar directamente en el sector inmobiliario. Los candidatos deben tener al menos 3 años de experiencia en software, sól ...

Cloud Infrastructure Engineer: Build Scalable, AI Powered Systems

Medium is seeking an Infrastructure Engineer in Cataluña, Spain, responsible for building and maintaining the infrastructure while collaborating with development teams. Key duties include managing AWS systems, ensuring cybersecurity, and leveraging AI tools to enhance workflows. The ideal candidate wil ...

Staff Software Engineer Lead Web Platform & AI (Remote)

A leading information services company in Barcelona is seeking a Staff Software Engineer to architect and deliver next-gen web and AI platforms. You will lead technical strategies, bridge business and technology, and drive operational excellence, requiring 7+ years of experience in software engineering, includin ...

Senior .NET Software Engineer — AI Powered, Global Impact

Wizeline, located in Ourense, Spain, is seeking a talented individual with expertise in Cloud Computing, Event-Driven Architecture, and SQL. This role emphasizes leadership in mentoring junior engineers and using AI tools effectively. Join a collaborative culture that offers flexibility and professiona ...

Senior AI Engineer — LLMs, ML Pipelines & MLOps (Remote)

Initiumsoft busca un AI Engineer para diseñar y liderar pipelines de inteligencia artificial. Trabajarás en un entorno 100% remoto desde España, colaborando con un equipo multidisciplinario en proyectos innovadores. El candidato ideal tiene 7 años de experiencia en ingeniería de datos, es experto en Py ...

Senior Cloud Native Platform Engineer for AI Infra

BCNC Group busca un Senior Platform / DevOps Engineer para unirse a su proyecto en Palma. El candidato ideal tendrá experiencia en entornos cloud-native, así como en despliegue de aplicaciones y operación de plataformas. Este rol es fundamental para el desarrollo de infraestructuras de Inteligencia Artificial ...

Senior Data Engineer — Build AI Ready Data Platform

team.blue is seeking a Senior Data Engineer located in Barcelona, Spain. This pivotal role involves developing and maintaining the central data ecosystem that transforms raw data into high-value products. Candidates should have 7+ years of experience and a Master’s or PhD in a related field. The succes ...

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