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

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Senior AI Solutions Engineer (People & Talent)

Requirements A strong background in Software Engineering and Integration Engineering Hands-on experience experimenting with various AI tools and building out new, AI-driven workflows in production Proven business understanding and experience working in a business-facing ...

Senior Platform Engineer — Agentic AI & Harness

Kyndryl is seeking a Senior Platform Engineer to design and build agent harness systems in Madrid, Spain. The role focuses on integrating technologies for agent productivity and ensuring seamless operation within varied teams. Ideal candidates will have 5+ years of experience in Platform Engineering or ...

Generative AI Backend Engineer | GraphQL & FastAPI

Astek is hiring a Backend Engineer to support a fintech partner in Spain. The role focuses on creating robust backend systems that power AI applications. The ideal candidate will have a degree in Computer Science and 1–2 years of experience in backend development. Proficiency in Python, FastAPI, and Gr ...

Azure Backend & AI Engineer Full Stack

IT Partner busca un Full Stack Developer con fuerte orientación a backend para unirse a un equipo técnico internacional. Participarás en el diseño, desarrollo y evolución de soluciones cloud modernas basadas en Azure, APIs e inteligencia artificial. El candidato ideal tendrá más de 5 años de experienci ...

AI First Lab Diagnostics Project Engineer

Clinisys is seeking a Technical Project Engineer in Orihuela, Spain. This role involves installing and upgrading GestLab solutions while working closely with clients. Strong communication skills and a background in database management are essential for success. The position requires fluency in Spanish ...

Conversational AI Operations Engineer — Flexible Hours

Capitole busca un profesional para brindar soporte técnico en IA con más de 2 años de experiencia en plataformas como Cognigy. Las responsabilidades incluyen la gestión de incidentes y la evaluación de interacciones en asistentes de IA. El candidato ideal debe tener habilidades en resolución de problem ...

Freelance Optical Engineer & AI Problem Designer

Mindrift is connecting specialists with project-based AI opportunities for leading tech companies in Valencia, Spain. This opportunity involves designing computational physics problems and requires a degree in physics and proficiency in Python. Contributors can earn up to $29 per hour based on their level and ...

Platform Engineer – Agentic AI & Harness Engineering

Overview Who We Are At 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, a ...

Senior AI Engineer — LLMs, Python & MLOps

Biorce is looking for an AI Engineer in Barcelona, Spain, to drive the development of innovative applications using Large Language Models (LLMs). The successful candidate should have over 3 years of experience in machine learning and a strong background in Python. Responsibilities include designing and deploying ...

Software Engineer: AI, Mentorship, Global Impact

A leading AI consultancy in Madrid is seeking a Software Engineer to collaborate with clients on innovative digital solutions. You’ll work across various industries, develop cutting-edge products, and mentor client teams on Agile values and best practices. This role requires experience in full-stack application ...

AI Platform Engineer | Hybrid in Barcelona

A leading technology-oriented company in Barcelona is seeking an AI Platform Engineer to design and develop scalable, secure, and high-performance full-stack applications. You will play a pivotal role in transforming architectural concepts into production-grade solutions across backend, frontend, and cloud envir ...

AI Solutions Sales Engineer GTM Lead

A leading AI solutions company based in Spain is looking for a GTM Technical Expert to design and demo an innovative product. This role requires 5-7+ years of experience in Sales Engineering and bilingual proficiency in Spanish and English. The ideal candidate will work cross-functionally to improve the product ...

Senior Data Engineer Pipelines, Snowflake & AI

Ein führendes Pharmaunternehmen sucht einen erfahrenen Data Engineering Specialist in Barcelona. In dieser Rolle sind Sie für die Entwicklung und Optimierung von Datenpipelines verantwortlich, um KI- und ML-Initiativen zu unterstützen. Sie bringen mehr als 5 Jahre Erfahrung in der Backend-Entwicklung, umfangreic ...

AI Platform Engineer — Databricks on AWS

A leading IT consulting company is seeking an experienced AI Platform Engineer in Barcelona to design and build data and AI platforms using Databricks on AWS. This role involves optimizing cloud operations, CI/CD implementations, and collaborating with cross-functional teams to enhance AI capabilities. Candidate ...

Senior Full Stack AI Engineer (Remote)

A tech company is seeking a Senior Software Developer to design and maintain high-performance web applications while integrating AI/ML technologies. Ideal candidates should have over 7 years of experience and strong skills in front-end frameworks such as React and server-side technologies like Node.js. The role ...

Graduate Software Engineer Hybrid, AI & Growth

Sage is seeking a motivated Graduate Software Engineer in Barcelona. You will develop software, work with agile teams, and gain valuable experience in a hybrid role, requiring three days a week in the office. Join us to contribute to innovative software solutions and help transform the way businesses operate. ...

Senior AI Backend Engineer — NLP & LLMs

Aircall, based in Madrid, seeks a Senior Backend & AI Engineer to design and implement AI features critical to business operations. The role requires solid AI experience and back-end development skills. You will collaborate with teams to create AI solutions, ensuring quality and performance while mentoring co ...

Staff ML Engineer, Predictive AI Models

HubSpot, Inc. is seeking a Staff Machine Learning Engineer for its Predictive Models team in Madrid, Spain. This role will leverage deep expertise in machine learning to advance product vision and require close collaboration with various stakeholders while maintaining hands-on coding responsibilities. ...

Real Time Energy Data & AI Engineer

Grenergy busca incorporar un/a Data & AI Engineer para diseñar soluciones de datos e IA que impacten en la operación de activos energéticos. Las responsabilidades incluyen construir pipelines de datos, diseñar arquitecturas de datos y desarrollar APIs REST. Se requiere al menos 5 años de experiencia en ...

Senior AI Engineer — Production ML & GenAI

HR Talent House SA busca un Ingeniero de IA en Barcelona para diseñar y desplegar soluciones de inteligencia artificial. El candidato ideal tendrá 5-6 años de experiencia en el campo y dominará Python y frameworks de aprendizaje automático como TensorFlow y PyTorch. Se requiere experiencia en despliegu ...

AI Full Stack Engineer Flexible/Remote

Tamarind Intelligence busca un Desarrollador Full-Stack en Barcelona. Este rol es fundamental para construir y escalar productos de IA, utilizando un stack moderno como Next.js y NestJS. Los postulantes deben tener una sólida experiencia en TypeScript, así como experiencia en frontend y backend. Ofrece ...

(Senior) Principal Solutions Engineer AI Governance

Strength in Trust OneTrust’s mission is to enable innovation through the responsible use of data and AI. We believe that ensuring data is trusted shouldn’t slow teams down—it should accelerate what’s possible. This led us to develop the first technology platform for responsible data use in 2016. ...

Orbit Graduate: AI Value Engineer (Benelux)

Process Analytics Factory - PAFnow by Celonis seeks an Associate Applied AI Engineer in Madrid. This entry-level role is part of a 12-month Orbit Graduate Program, offering a unique career start in the SaaS industry with hands-on learning and mentorship. The successful candidate will engage with client ...

Founding AI Engineer: Multimodal Agents & Product

Hiretech está buscando un/a Founding AI Engineer para liderar el desarrollo de su plataforma de inteligencia artificial. Este rol se centra en la ingeniería de producto y así ofrecerá un impacto significativo en la tecnología. El candidato ideal tendrá más de 5 años de experiencia en ingeniería de soft ...

Remote Product Engineer, Property Management AI

PropHero, an AI-driven marketplace located in Madrid, is seeking a Product Manager skilled in software engineering and AI to own and build property management tools. Candidates should have over 3 years of experience, a strong product mindset, and proven collaboration skills. The role involves full product lifecy ...

ML/AI Platform Engineer (100% Teletrabajo)

Capitole Consulting sigue creciendo ¡y queremos hacerlo contigo! Buscamos un/a ML/AI Platform Engineer (MLOps / AIOps / LLMOps) con 2–4 años de experiencia para incorporarse a un entorno tecnológico internacional, participando en la evolución de soluciones técnicas dentro del ecosistema de I ...

Platform Solutions Engineer Deployment & AI Enablement

We are seeking a skilled and dynamic Technical Solutions Engineer to join our team and play a critical role in deploying, supporting, and optimizing our platform solutions. This position requires a blend of technical expertise, problem‑solving skills, and project‑management acumen to ensure the seamless op ...

Data & AI Platform Engineer Intern Madrid

Purpose and Passion Comprehensive Benefits Life-Work Integration Community Career Growth At Boston Scientific, you will find a collaborative culture driven by a passion for innovation that keeps us connected on the most essential level. With determinat ...

Senior Software Engineer AI Product development

We’re looking for a Senior Software Engineer – AI Product Development to join the Cortellis CMC team in Barcelona. In this role you’ll own the architecture and delivery of high‑impact backend services that power global pharmaceutical innovation. Responsibilities Build and execute gener ...

Cybersecurity Engineer for Network Security AI

Overview At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. T ...

Senior AI Engineer for People & Talent

Job Details People & Talent Department Spain - Barcelona Full-Time/Hybrid What you will do You will join as a Senior AI Engineer for People & Talent, focused on transforming our internal operations. You will be at the forefront of using AI to so ...

AI Strategy & Solutions Engineer — Hybrid (Barcelona)

Alira Health SLU in Barcelona is seeking professionals for a role involving consulting and AI engineering. You will support strategic projects and develop data pipelines, all while promoting an inclusive team environment. The ideal candidate has a degree in a technical field and 2–5 years of relevant e ...

Remote AI & Platform Engineer Mosaic & Databricks

Aderen is looking for a Medior AI/Platform Engineer to support and implement Mosaic AI into a governed, multi-tenant platform. The role is fully remote and offers a freelance contract with a competitive rate of €250/€270 per day. Applicants should have strong Python skills and experience with Databrick ...

Remote AI Engineer: Backend & Agent Orchestration

Product Hackers busca un/a Software Engineer en Madrid con fuerte enfoque en IA y más de 2-3 años de experiencia en desarrollo de software. El candidato ideal deberá dominar Python y TypeScript y tener experiencia práctica en la integración de IA en productos reales. La empresa ofrece un entorno remoto ...

Senior AI & NLP Engineer Contractor (Brussels)

All European Careers is seeking a Senior AI & NLP Engineer for a European institution in Brussels. This role requires over 9 years of IT experience, excellent programming skills in Perl, Python, and experience with machine learning libraries. The candidate should be fluent in English and hold relevant ...

AI Calling Security Engineer (Cloud & Telco)

T-Systems Iberia in Madrid is seeking an ACS Security Engineer specializing in cloud-native technologies. The position entails responsibilities such as managing OneiDNS services, overseeing VoIP Support Systems, and operating within a DevOps framework for deployment and engineering. The ideal candidate will have ...

Remote AI Systems Engineer Python & LLMs

TheWhiteam is seeking a skilled Technical Developer to join their fully remote team in Spain. The ideal candidate should have over 5 years of experience, proficient in Python and LLM‑based models, and capable of designing production-grade applications. This role involves working with cloud environments ...

Remote Full Stack AI DevTools Engineer

Alan, a prevention-focused insurance company in Spain, seeks a full-stack Software Engineer to enhance their AI-native engineering capabilities. The ideal candidate will have over 3 years of experience in software engineering, building internal platforms, and be fluent in English. You will work collaborativel ...

Staff Product Security Engineer — AI & Identity

Okta is looking for a Staff Product Security Engineer in Barcelona, Spain. The successful candidate will conduct security reviews, provide guidance on secure development practices, and engage in penetration testing responsible for safeguarding Okta's products. This role requires strong technical knowle ...

AI Powered Software Engineer: Enablement & Governance

Amaris Consulting in Boiro, Spain, is seeking a Software Engineer to spearhead the adoption of AI-assisted coding practices. This role requires a mix of hands-on engineering, coaching teams, and defining best practices for the effective use of AI tools in software development. Candidates should have 5-10 years o ...

Founding Engineer: Enterprise AI Platform Lead

Hirevoice, located in Barcelona, seeks a talented Tech Lead to build a robust AI interviewing platform. You will create a technical backbone that is scalable and compliant while leading a hands-on team of developers. Ideal candidates will have 3+ years in tech leadership, building enterprise solutions, and ex ...

Remote AI Software Engineer Task Designer

Anyone AI is looking for skilled software engineers to engage in project-based, part-time roles focusing on evaluating coding tasks in collaboration with a leading AI lab. Candidates must have a strong proficiency in Python and JavaScript/TypeScript, alongside 3–7 years of software engineering experience. </p ...

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 Software Engi ...

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 Software Engi ...

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 Software Engi ...

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 Software Engi ...

ML Engineer — AI Solutions & MLOps (Cloud)

NTT DATA Europe & Latam busca un profesional especializado en Inteligencia Artificial y Machine Learning para unirse a su equipo de Digital Technology. Ofrecemos un contrato indefinido y la oportunidad de trabajar en proyectos innovadores para clientes de primer nivel en toda Europa, en un entorno híbrido. </ ...

Senior Robotics AI and Simulation Engineer

ABOUT THE ROLE In this role, you will design and develop AI-driven robotics solutions for clients across healthcare, retail, automotive, and enterprise sectors. You will build production-ready systems and rapid prototypes - from perception pipelines to reinforcement learning workflows – that br ...

Senior Robotics AI and Simulation Engineer

ABOUT THE ROLE In this role, you will design and develop AI-driven robotics solutions for clients across healthcare, retail, automotive, and enterprise sectors. You will build production-ready systems and rapid prototypes - from perception pipelines to reinforcement learning workflows – that br ...

Senior Robotics AI and Simulation Engineer

ABOUT THE ROLE In this role, you will design and develop AI-driven robotics solutions for clients across healthcare, retail, automotive, and enterprise sectors. You will build production-ready systems and rapid prototypes - from perception pipelines to reinforcement learning workflows – that br ...

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