161,939+ Remote Fullstack Ai Engineer Python React Jobs in Spain — Top Companies Hiring July 2026

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Senior Qa Automation Engineer (.Net) – Ai Driven Testing

BrainRocket is looking for a Middle/Senior QA Automation Engineer to enhance the quality assurance of a new multi-brand Sportsbook platform.Para presentar una candidatura, simplemente lea la siguiente descripción del puesto y asegúrese de adjuntar los documentos pertinentes.Located in Valencia, Spain ...

Ai Powered Full Stack Engineer (Voice & Real Time)

The Agile Monkeys based in Spain is seeking a motivated developer to build practical AI systems from scratch.Compruebe que cumple con los requisitos de habilidades para este puesto, así como con la experiencia asociada, y luego envíe su CV a continuación.You will focus on integrating real-time proces ...

Data & Ai Strategy Knowledge Graph Engineer Consultant/Manager

Supply Chain Data & AI Strategy Consultant 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Are you ready to shape the future of business through the power of technology, data, and AI? At Accenture, we are driving the complete rein ...

Ai Agent Engineer — Build Multi Channel, Integrated Agents

A leading AI solutions provider is looking for a skilled developer to design prompts and implement functions for AI agents across various channels like voice and chat. The ideal candidate will have a Bachelor's degree in a STEM field and experience with API integration and Type Script. Strong problem-solving ski ...

Senior Ai Backend Engineer For Product Innovation Barcelona

We’re looking for a passionate and experienced Senior Software Engineer -AI Product Development to join our AI Innovation Team in Barcelona, part of Clarivate’s Life Sciences & Healthcare division. This is a unique opportunity to work on cutting-edge R&D products that are shaping the future of healthcare and sci ...

Data & Ai Strategy Knowledge Graph Engineer Consultant/Manager

Supply Chain Data & AI Strategy Consultant 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Are you ready to shape the future of business through the power of technology, data, and AI? At Accenture, we are driving the complete reinvention of organizations ...

Senior Jvm Live Debugger Engineer | Ai Driven Production

A leading developer tools company in Madrid seeks a Senior Software Engineer with enterprise JVM experience. You will design and develop product features and improve reliability and security for production systems. The ideal candidate has extensive knowledge of Java and Kotlin, experience with cloud environments ...

Senior Lead Ml Engineer — Scale Real‑world Ai

Fairygodboss is looking for a Senior Lead Machine Learning Engineer in Madrid. In this role, you'll collaborate with engineering teams to develop and deploy advanced machine learning solutions that transform business processes. You will contribute to the overall ML architecture and help mentor team members. The ...

Ai Research Engineer: Fine Tuning For Domain Models

A leading fintech company based in Spain is looking for an AI Research Engineer to innovate in fine-tuning methodologies for advanced AI models. You will drive improvements in model performance and efficiency, working with a diverse team remotely. Candidates should have deep expertise in large language models an ...

Product Solution Engineer: Ai‑driven Fintech, Hybrid Role

About Wenrix Wenrix is the next generation of airfare optimization. About Wenrix Wenrix is the next generation of airfare optimization.We are a young and fast-growing startup in the field of fintech for travel companies.Our AI-driven smart prediction technology helps our customers generate new revenue streams fr ...

Senior Ai Security & Robustness Engineer (Edge To Cloud)

A leading technology company in Spain is seeking a Senior ML Security & Robustness Engineer to improve the security and robustness of AI models. The ideal candidate will hold a Master’s or Ph D in a relevant field, possess deep learning expertise, and be proficient in Py Torch. This role includes designing defen ...

Senior Platform Engineer & Ai Driven Tech Lead (Ic)

Is seeking a Principal Engineer to lead technical direction at their Alcobendas location. This individual contributor role involves solving complex, high-impact problems while mentoring a team of engineers. You will work with cutting-edge technologies across the stack, ensuring production quality and setting sta ...

Senior Red Team Engineer Cloud & Ai Security Lead

Nscale in Cataluña, Spain, is hiring a Staff Security Engineer for leading offensive security initiatives. In this role, you'll plan and execute red team operations, emulating real-world attackers and enhancing security across cloud and infrastructure environments. With over 8 years of experience required, you'l ...

Senior Staff Red Team Engineer – Ai Cloud Security

Nscale is looking for a Senior Staff Security Engineer to lead offensive security and adversary simulation efforts. This role requires 8+ years of experience in red teaming, strong expertise in network, application, cloud, and identity security and a deep understanding of the MITRE ATT&CK framework. You will wor ...

Senior Gtm Engineer: Ai Driven Outreach & Clay Architect

Traveltechessentialist in Barcelona is seeking a Senior GTM Engineer to design and build AI-powered outbound and pipeline generation systems. The role involves creating complex workflows in Clay and ensuring high-quality data management for the sales team. The ideal candidate has over 6 years of experience in B2 ...

Lead Frontend Engineer – Ai Driven, Hybrid (Barcelona/Madrid)

E Dreams ODIGEO is seeking a Frontend Lead Engineer for their Prime travel subscription platform in Barcelona/Madrid. You will lead a team of engineers, enhancing customer experiences with an emphasis on performance and scalability. This role requires strong Java Script skills, a solid understanding of system de ...

Senior Ai Platform Engineer For Scalable Ml Pipelines

Astra Zeneca seeks a Principle AI Platform Engineer in Barcelona to develop and optimize platforms that empower Data Scientists and Machine Learning Engineers. You will lead initiatives related to AI in various sectors, ensuring cutting-edge tools and infrastructure. The ideal candidate possesses a strong comput ...

Senior Ai Engineer For Revenue & Go To Market

Our Mission: Why Lighthouse? At Lighthouse, we’re on a mission to revolutionize commercial strategy as hospitality’s most powerful AI platform. We take the world’s largest hotel data network and transform it into real-time intelligence that drives action. We don’t just deliver insights; we empower busines ...

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 Ai Engineer For People & Talent — Hybrid (Barcelona)

The Hotels Network in Barcelona is hiring a Senior AI Engineer for the People & Talent department. In this hybrid role, you will lead the design and implementation of AI solutions to solve real-world business challenges. You will work closely with domain experts, drive projects focused on automation, and contrib ...

Senior Security Engineer: Ai Driven Tooling & Secure Devops

Hopper is seeking a Senior Security Engineer to join their Security team in Barcelona. This role involves owning and evolving the vulnerability management program and building security tools integrated into CI/CD pipelines to ensure security is automatic, not an afterthought. The ideal candidate should have at l ...

Senior Product Engineer End To End Ai Platform

Cirql One, located in Barcelona, is seeking a driven Product Engineer to help build an enterprise semantic intelligence layer that connects data to AI. You will own features from conception to delivery, ensuring streamlined user experiences while collaborating closely with the team. The ideal candidate will have ...

Senior Frontend Engineer, Ai Planning Ui (Angular/Ts)

PAILOT is seeking a frontend-focused Senior Product Engineer (UI) in Donostia/San Sebastián, Spain. In this role, you will enhance complex manufacturing workflows through the development and improvement of frontend interfaces using Angular and Type Script. Your efforts will directly impact product usability and ...

Senior Data & Ai Engineer Full Stack Ml Architect

NTT DATA Europe u0026 Latam en Coslada busca un líder técnico en Inteligencia Artificial para guiar la estrategia en proyectos de datos. El rol requiere experiencia en Machine Learning, MLOps y diseño de arquitecturas de datos modernas. Además, se valora la capacidad de liderar equipos, implementar prácticas éti ...

Senior Cloud Siem Engineer — Ai Driven Threat Detection

Datadog is seeking a Senior Security Engineer to focus on their Cloud SIEM product, helping to advance detection capabilities and improve security workflows. This role involves researching threats, designing investigation processes, and developing detection content for various platforms. The ideal candidate has ...

Principal Forward Deployed Engineer – Ai Native Software Development

At Jet Brains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create. We just unveiled Jet Brains Centr ...

Senior Full Stack Engineer: Ai Driven, Scalable Systems

A software company in Las Palmas seeks a Senior Software Engineer to lead the development of web and mobile applications. The role involves collaborating with cross-functional teams and integrating AI tools into workflows. Candidates should have over 6 years of experience in software development, system design s ...

Senior Appsec Engineer: Ai Driven Secure Sdlc (Madrid)

Agile Engine, LLC. in Madrid is seeking a Senior Application Security Engineer to architect and build automated security layers within the software development lifecycle (SDLC). This role involves deploying SAST, DAST, and SCA tools with a deep focus on Application Security and Dev Sec Ops. The adecuado candidat ...

Lead Llm Engineer: Rag Architect & Production Ai Leader

Ramboll is seeking a Lead Machine Learning Engineer in Madrid to create cutting-edge AI solutions. You will define scalable LLM architectures, mentor engineers, and drive innovation within a collaborative team atmosphere. The ideal candidate will have extensive experience in machine learning, proven leadership s ...

Lead Full Stack Engineer: Ai Powered Saas Platform

Cover Go | Insurtech in Madrid is seeking a Lead Full Stack Engineer to drive the technical vision and execution of their insurance platform. You will lead development and integration of AI-driven features while mentoring a team of engineers. The ideal candidate will have strong full-stack development skills and ...

Senior Solution Engineer (Cloud, Data & Ai Pre Sales)

Your mission About the opportunity As Astrafy continues to grow, we are looking for a Senior Solution Engineer to help shape and scale our technical pre-sales function. Reporting directly to the Chief Revenue Officer, you will act as the bridge between Sales, Customers, Google Cloud, and our Delivery teams. You ...

Senior Supply Chain Value Engineer Ai & Process Mining

Process Analytics Factory - PAFnow by Celonis is seeking a Management & Technology Consultant – Supply Chain to lead data-driven business transformations. You will partner with sales teams and act as a trusted advisor to customers, driving measurable impacts across various sectors. With over 4 years in technical ...

Ai Research Engineer (Pre Training Llm & Multi Modal)

About the job As a member of the AI model team, you will drive innovation in architecture development for cutting‑edge models of various scales, including small, large, and multi‑modal systems. Your work will enhance intelligence, improve efficiency, and introduce new capabilities to advance the field. You will ...

Senior Appsec Engineer: Ai Powered Secure Sdlc Automation

Agile Engine, LLC. in Madrid is seeking a Senior Application Security Engineer to architect and build automated security layers within the software development lifecycle (SDLC). This role involves deploying SAST, DAST, and SCA tools with a deep focus on Application Security and Dev Sec Ops. The adecuado candidat ...

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 way forward. In r ...

Senior Ai Engineer: Agentic Workflows For Scalable Systems

Zurich 56 Company is seeking a Senior AI Engineer to design and implement agentic workflows for their Technology Delivery Center. This role involves collaborating with cross‑functional teams to develop scalable solutions that address complex business challenges. The ideal candidate will lead the architecture of ...

Madrid Ai Engineer: Real World Ml & Llms Onsite

Oliver Bernard is looking for AI Engineers in Madrid with salaries ranging from €80k to €150k base plus bonus. Candidates will work onsite five days a week, requiring a strong theoretical understanding of Machine Learning, programming skills in languages such as C# or Python, and familiarity with cloud technolog ...

Lead Ml Engineer Ai Architect (Hybrid | Barcelona/Madrid)

Tamarind Intelligence is seeking a Lead Data Scientist to spearhead AI initiatives in either Barcelona or Madrid. This senior role focuses on leading various AI engineering efforts and ensuring the delivery of scalable, production-ready AI solutions. The ideal candidate should possess strong expertise in Machine ...

Senior Applied Ai Engineer – Multi Agent Systems (Hybrid)

Banco Santander is seeking an Applied AI Engineer to lead the development of agentic AI systems based in Madrid, Spain. You will work within the Santander AI Lab, focusing on multi-agent orchestration and fine-tuning language models. This position offers a competitive salary and a hybrid working model, alongside ...

Senior Full Stack Ml Engineer — Healthcare Ai Lead

Evinova is seeking a Senior Full Stack ML Engineer to revolutionize clinical trials using AI and Machine Learning. Join our mission to enhance drug development by designing and implementing advanced ML models that address complex healthcare challenges. This role offers the chance to lead the ML lifecycle, mentor ...

Senior Ai Full Stack Engineer (Llm, Rust/Golang)

Agile Engine in Madrid seeks a Senior/Lead AI Software Engineer (Full Stack) to architect and scale AI-driven products. This pivotal role focuses on developing intelligent, high-performance applications. Ideal candidates will have 5+ years of experience in full-stack development, proficient in Rust or Golang, an ...

Senior Ai & Nlp Engineer (Contractor) Ml, Mt & Data

All European Careers is looking for a Senior AI & NLP Engineer for an institution in Brussels, Belgium. This position is for contractors and requires fluent English. Candidates should have over 9 years of IT experience with expertise in NLP and machine learning libraries. You will be responsible for developing a ...

Ai Code Evaluation Engineer: Full Stack & Ml Benchmarking

Turing is seeking a Software Engineering Evaluator based in Spain, Cataluña. You will create datasets for training large language models and collaborate closely with researchers. Responsibilities include curating code examples, ensuring code efficiency, and collaborating with teams to enhance AI-driven solutions ...

Lead Ml Engineer — Production Ai Platform Leader (Hybrid)

Tamarind Intelligence is seeking a Lead Data Scientist based in Barcelona to drive AI initiatives and oversee ML systems delivery. This senior role involves leading cross-functional teams and ensuring the design and deployment of scalable AI solutions. A strong background in machine learning and AI systems is es ...

Lead Data Engineer Ai Agents & Mathematical Systems (Barcelona)

Overview WELCOME TO SITA’S AIRCRAFT BUSINESS UNIT SITA's Aircraft Business Unit makes flight operations, air traffic management and aircraft maintenance more sustainable and efficient by enabling collaboration between people and organizations in the air transport industry through communication – connecting aircr ...

Senior Gtm Engineer: Ai Driven Outbound & Data Pipelines

Importante empresa del sector en Barcelona busca un/a Ingeniero/a GTM Senior para diseñar y mantener flujos de trabajo complejos que optimicen el motor comercial. Este rol implica la integración de herramientas como Clay y Salesforce y la automatización de operaciones de GTM. Se requiere experiencia de más de 6 ...

Lead Software Engineer – Ai Product Development (Data) (Barcelona)

Experteer Overview In this Lead role, you shape AI-powered product platforms, building reliable backend services and data pipelines. You’ll work within the LS&H; Innovation group to drive AI-enabled capabilities, collaborating across engineering, product, and cloud ops to deliver scalable solutions. You’l ...

Senior Ai Process Engineer 100% Remoto 50k Remoto

Se busca Ingeniero Senior de Procesos de IA para un programa estratégico de transformación con IA. Diseñar y optimizar agentes inteligentes en producción, automatizando procesos complejos con tecnologías LLM. ...

Senior Ai Process Engineer 100% Remoto 50k Remoto

Estamos buscando varios perfiles Senior AI Process Engineer para incorporarse a un programa estratégico de transformación con IA a gran escala , trabajando en la automatización de procesos complejos mediante tecnologías basadas en LLM. Formarás parte de squads multidisciplinares ...

Senior Ai Process Engineer 100% Remoto 50k Remoto

Buscamos Ingeniero Senior de Procesos IA para programa estratégico de transformación con IA a gran escala, automatizando procesos complejos con LLMs en squads multidisciplinares. ...

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