149,513+ Ai Driven Fullstack Engineer Java React Jobs in Spain — Top Companies Hiring June 2026

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Generative AI Backend Engineer | GraphQL & Azure

Astek is seeking a passionate Backend Engineer in Santander, Spain to join their fintech partner. Your role will be crucial in building scalable AI-powered systems. You will design and maintain robust services and develop GraphQL APIs, ensuring high performance and data integrity. The ideal candidate s ...

Product Software Engineer (Backend AI Oriented)

En Docline hacemos la sanidad más accesible a través de la tecnología. Construimos la plataforma digital de salud y la red de médicos digitales que conecta a personas y organizaciones con atención médica de calidad, en cualquier lugar y en cualquier momento. Buscamos un Product <stron ...

Product Software Engineer (Backend AI Oriented)

En Docline hacemos la sanidad más accesible a través de la tecnología. Construimos la plataforma digital de salud y la red de médicos digitales que conecta a personas y organizaciones con atención médica de calidad, en cualquier lugar y en cualquier momento. Buscamos un Product <stron ...

AI Software Engineer (Full Stack) ID51390

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. ...

AI Solutions Engineer — Hybrid (Barcelona/Madrid)

Una empresa de tecnología bancaria en Madrid busca un profesional apasionado por la inteligencia artificial para desarrollar soluciones innovadoras. El rol incluye la creación de prototipos que integren nuevas tecnologías, así como impulsar iniciativas de IA. Ofrecemos un ambiente dinámico que promueve el equili ...

BlueCamp Internship Program: AI Engineer Intern

At IBM, work is more than a job – it’s a calling: To build. To design. To code. To consult. To think along with clients and sell. To make markets. To invent. To collaborate. Not just to do something better, but to attempt things you’ve never thought possible. Are you ready to lead in this new era of techno ...

Senior Process & Quality Engineer AI & Automation

Objetivos del puesto: En RCD estamos impulsando un modelo de trabajo basado en excelencia operativa , donde la eficiencia, la calidad y la mejora continua forman parte de nuestro día a día. ¿Cuál será tu rol? Te incorporarás a un entorno transversal, trabajando con distintas ...

AI Engineer (Python): GenAI Workflows & Agents

A leading healthcare company is seeking an AI Engineer to accelerate proof-of-concept developments focused on Diabetes Care and internal solutions. This role emphasizes using Generative AI, AI agents, and machine learning to enhance decision-making and efficiency. The ideal candidate should have strong Python en ...

Staff Engineer, AI Powered Performance & Reliability

A leading business management software company in Barcelona is seeking a Staff Software Engineer to enhance product performance and reliability. Candidates should have a strong background in managing complex software systems, defining SLIs/SLOs, and improving observability practices. The role requires excellent ...

Staff Engineer — Performance, Reliability & AI Automation

About the Role We are looking for a Staff Software Engineer to join our DX and Performance team at Factorial, with a strong focus on performance, reliability, observability, load testing, and AI‑assisted engineering workflows. Team & Mission The DX and Performanc ...

AI & Automation Engineer — Shape Smarter Workflows

Adevinta is searching for an AI & Automation Engineer in Barcelona to incorporate cutting-edge AI solutions across teams. This role will require collaboration with Product, Engineering, and Data to drive automation initiatives that enhance operational efficiency. The successful candidate must have 5+ y ...

AI & ML Engineer for Autonomous Drones

Embention is seeking a professional to drive the adoption of Artificial Intelligence solutions in Alicante, Spain. Your mission includes identifying automation opportunities and developing intelligent systems to enhance operational performance. Ideal candidates should have a background in Artificial Intelligence ...

Senior AI Engineer (Posible Trabajo remoto)

Descripción de la empresa Porque trabajar en Sopra Steria, también es sentir Sopra Steria. Somos un reconocido líder europeo en consultoría, servicios digitales y desarrollo de software, con cerca de 56.000 empleados en casi 30 países y más de 4.000 en España. Nos enfocamos en las personas, en su ...

AI Platform Engineer — Cloud & Edge, Remote

OpenNebula Systems is seeking an AI Platform Engineer in Pozuelo de Alarcón, Spain. In this role, you will design and implement advanced AI capabilities for the OneAI platform, integrating cutting-edge AI frameworks like vLLM and PyTorch. Candidates should have 3+ years of relevant experience and a strong techni ...

Staff Software Engineer AI Enablement (Remote)

Dow Jones is seeking a Staff Software Engineer to design, develop, and optimize AI solutions across their platforms. This role requires 7+ years of experience in software engineering and solid expertise in building scalable and secure software. You will lead technical projects and mentor junior team members. The ...

APAC Associate Value Engineer AI Solutions

Celonis is looking for an Applied AI Engineer based in Madrid. In this role, you'll join the Orbit Graduate Program, quickly starting your career in the SaaS industry. Responsibilities include supporting customer engagements, collaborating to address business challenges, and customizing AI solutions. Ideal candi ...

Global Data & AI Engineer Hybrid (Barcelona)

Accenture España is seeking Data & AI talent in Barcelona to join their innovative team. Candidates should have at least 3 years of experience in relevant technologies and a strong motivation to grow. The role involves designing advanced AI solutions for global clients in various industries, including pharma and ...

Remote Blockchain Security & AI Automation Engineer

Crypto.com is seeking to expand its Security Team in Barcelona, Spain, focusing on cybersecurity innovations. The role emphasizes ensuring the stability and availability of production applications, alongside leveraging AI for automation to bolster workflows. Candidates should possess a degree in computer scie ...

Client Facing AI Engineer (Madrid/Barcelona)

BCG X in Barcelona is seeking passionate AI Software Engineers to develop innovative solutions. The role includes optimizing large-scale data analytics and collaborating closely with clients across various industries. Ideal candidates will have a Master’s or PhD in a relevant field and experience with ...

Client Facing AI Engineer (Madrid/Barcelona)

BCG X in Madrid is seeking an AI Software Engineer to oversee a full analytics value chain by designing and deploying innovative AI solutions. This role also includes collaborating with clients to implement new features for product releases. Applicants should have a Master’s or PhD in Computer Research ...

AI/ML Engineer: Forecasting & Pricing Optimizer

WebBeds is hiring an AI/Machine Learning Engineer in Palma de Mallorca. The role involves developing AI/ML solutions for forecasting and pricing optimization, utilizing Python and AWS services. Successful candidates will have a degree in a relevant field and experience in creating impactful AI solution ...

AI Systems Engineer — Agentic Development & Automation

Soar, a global fintech startup based in Madrid, is looking for engineers to design, manage, and optimize AI-driven systems. This role involves ensuring correct and scalable outputs that align with business goals while working across product teams to identify automation opportunities. Candidates should have hands ...

Data Engineer: AI Marketing Pipelines (Hybrid)

A leading talent acquisition firm in Spain is seeking a skilled Data Engineer to build end-to-end data pipelines supporting AI-driven marketing. This hybrid position in Sant Cugat offers a salary of up to 55k plus performance bonuses. The ideal candidate must have strong expertise in designing ETL systems, profi ...

AI Engineer Industrial SaaS, Hybrid (Terrassa)

Una empresa tecnológica especializada en IA busca un AI Developer con mentalidad de producto en Terrassa. La función incluye el diseño y entrenamiento de modelos de IA, así como su integración en entornos productivos. Se requiere experiencia en Python, series temporales y un enfoque en resultados. Ofrecemos un m ...

AI & Azure Foundry Engineer — Flexible Schedule

A leading payroll and HR services provider is seeking an AI / Azure Foundry Engineer in Armilla, Spain, to drive intelligent automation solutions leveraging Azure AI Foundry and Python. This role involves building automation processes to enhance efficiency, collaborating with teams, and ensuring engineering best ...

AI Operations Engineer: Automate & Scale Workflows

A leading AI solutions provider in Barcelona is seeking an AI Engineer to develop and automate internal processes using AI. The ideal candidate will have a strong background in AI technologies and a passion for problem-solving. You will work closely with leadership to drive automation and streamline operations. ...

AI Back End Engineer (LLM Specialist)

En FACTECH somos una consultora tecnológica con presencia en España y Colombia, especializada en ofrecer soluciones IT de alto impacto para grandes compañías. Apostamos por el talento, la excelencia técnica y la cercanía con nuestros clientes. Buscamos incorporar un/a AI / Cloud Engineer co ...

Platform Engineer: Scalable Infra & AI Tools

A leading health tech company in Spain is seeking Platform Engineers with 3+ years experience to maintain high reliability while scaling infrastructure. Candidates will tackle significant projects, design and implement robust systems, and ensure incident management processes are effective. Familiarity with cloud ...

Senior Sales Engineer Data & AI Security

Senior Sales Engineer - Data & AI Security Madrid, Spain Veeam, the #1 global market leader in data resilience, believes businesses should control all their data whenever and wherever they need it. Veeam provides data resilience through data backup, data recovery, data portability, data s ...

Forward Deployed AI Engineer (all genders)

We’re looking for a hands‑on AI Engineer who’s passionate about turning AI into real business impact. In this role, you’ll build and ship production‑ready AI systems, work comfortably in fast‑changing environments, and focus on solutions that deliver measurable value. You understand that successful AI is a ...

Senior AI Engineer for Revenue & GTM

Insider, Inc. is looking for a Senior AI Engineer for Revenue & Go-To-Market in Barcelona. In this role, you'll focus on building AI solutions and transforming operations while collaborating with technical teams. This position offers flexible time off, comprehensive health insurance, and a lively work ...

Remote AI Engineer — Agentic Systems & AWS

Kairós Digital Solutions SL busca un AI Engineer apasionado para unirse a su equipo de Data&IA. Este rol involucra diseñar y desarrollar sistemas de IA que transforman procesos reales, colaborando en un entorno innovador y multidisciplinario. Los candidatos deben tener entre 3 a 6 años de experiencia, ...

Founding AI Engineer Startup Retail IA

Buscamos para nuestro cliente, una startup tecnológica europea especializada en inteligencia artificial aplicada a entornos físicos de alto tráfico (como centros comerciales, aeropuertos, destinos de ocio y cruceros), un Founding AI Engineer. El Proyecto: Estamos construyendo una Guest Interaction ...

ML Engineer — AI Solutions & MLOps (Cloud)

NTT DATA Europe & Latam busca un perfil especializado en Inteligencia Artificial para diseñar y evaluar modelos de Machine Learning. La posición ofrece un contrato indefinido y trabajo híbrido en Vigo. Se requiere más de 2 años de experiencia en IA, dominio de Python, así como conocimientos en platafor ...

Senior AI Engineer, Revenue & GTM Automation

Lighthouse in Barcelona is seeking a Senior AI Engineer for Revenue & Go-To-Market, dedicated to transforming internal operations through innovative AI solutions. You'll address complex business problems, optimizing workflows and collaborating with domain experts to drive measurable success. This role ...

Founding Senior Applied AI Engineer 2

Si llevas tiempo construyendo aplicaciones con LLMs, probablemente has pasado por la curva. El primer prototipo deslumbra: un prompt bien afinado, una respuesta convincente, una demo que vende sola. El segundo flujo añade retries y validaciones, porque el primero se rompía en cuanto un usuario hacía algo i ...

Principal AI Systems Engineer Healthcare (Remote)

Talent Connect is seeking a Principal Software Engineer to design and deploy AI systems in the healthcare sector, emphasizing scalability and problem-solving. The ideal candidate will have over 5 years of experience, particularly in backend engineering, Python, and complex systems. This full-time, remo ...

Senior Software Architect / AI Infrastructure Engineer

Overview En Shakers buscamos a alguien con un perfil híbrido entre IA y desarrollo. Duración: 12 meses con posibilidad de renovación. Responsibilities Diseñar e implementar agentes LLM, soluciones RAG y aplicaciones internas que conviertan necesidades de negocio en ...

Staff Engineer — Performance, Reliability & AI Automation

We are looking for a Staff Software Engineer to join our DX and Performance team at Factorial, focused on performance, reliability, observability, load testing, and AI‑assisted engineering workflows. Responsibilities Define and evolve SLIs and SLOs for critical product journeys. < ...

Autonomy Engineer: Farm AI & Robotic Systems

Voltrac SL in Valencia is looking for an autonomy engineer to build cutting-edge algorithms for their autonomous electric tractors. You will have ownership of the autonomy stack and work in a team focused on innovative solutions. The ideal candidate will have strong coding and software engineering skil ...

Remote Blockchain Support Engineer: AI Automation

Crypto.com is seeking a candidate for the blockchain security team in Barcelona, Spain. The role involves ensuring the stability of production applications and managing blockchain infrastructure, alongside leveraging AI for operational efficiency. The ideal candidate will possess strong communication s ...

Senior Generative AI Engineer — Flexible Hours

Ayesa Digital busca un/a Ingeniero/a Senior en Inteligencia Artificial Generativa para unirse a su equipo en Vitoria, España. El puesto se centra en el desarrollo de soluciones de IA Generativa y ofrecerá la oportunidad de trabajar en proyectos innovadores y de alto impacto tecnológico. Los candidatos ...

Principal AI & Data Governance Solutions Engineer

OneTrust is seeking a Principal Solutions Engineer to lead the technical strategy for complex AI and data governance solutions. Your role involves working with enterprise customers to shape how they govern AI and data while ensuring business outcomes. This position requires over 10 years of experience in Solu ...

Growth Engineer: AI Powered Marketing & Automation

Clutch Canada is hiring a Growth Marketing Manager in Barcelona, Spain. You’ll leverage AI tools to understand users' journeys—from awareness to conversion—optimizing processes and automating workflows. This role requires collaboration with design and product teams to enhance marketing strategies. Idea ...

Senior AI Engineer: Revenue & GTM Optimization

Albert Invent in Barcelona is looking for a Senior AI Engineer for Revenue & Go-To-Market. You will transform operations using AI to solve complex business problems and optimize workflows, playing a key role in a decentralized AI team. This role involves designing AI solutions, collaborating with domai ...

Senior AI Solutions Engineer for Finance

What you will do As our new Finance AI Application Specialist, you will take ownership of our financial technology landscape and be a key driver of innovation. This is a high-impact role where you will not just manage systems; you will actively shape their future through artificial intelligence a ...

Finance AI Solutions Engineer Remote & Impactful

Albert Invent in Barcelona is seeking a Finance AI Application Specialist to take ownership of our financial technology landscape. In this impactful role, you will innovate through artificial intelligence and ensure our financial systems operate efficiently, leading projects that leverage automation and enhan ...

MLOps Platform Engineer — AI Reliability & Scale

Verisure in Galicia is seeking an MLOps / AIOps Engineer to design and manage our AIOps platform, ensuring operational efficiency and reliability of AI products. This role emphasizes platform engineering, infrastructure management, and automation using AWS and Azure technologies. The ideal candidate sh ...

Next Gen AI Demo Engineer Intern

Ultimate.ai is hiring a Demo Engineering Intern to support the Next-Gen Demo Factory mission. This role involves prototyping AI-assisted workflows and developing demos aimed at both technical and business audiences. With collaboration across various teams, you'll gain insights into real-world business problem ...

Lead AI Agent Engineer Bootcamp Instructor

Barcelona Code School is seeking an instructor for the AI Agent Engineer Bootcamp, a full-time course running for about 4 weeks multiple times a year. You will teach essential skills including Python, Docker, and AWS on campus in Barcelona. Ideal candidates will have technical experience in building AI ...

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