179,807+ Software Engineer Intern Fullstack Ai Python React Jobs in Spain — Top Companies Hiring June 2026

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Data Engineer: Cloud Pipelines & AI Driven Analytics

Guesty is seeking a talented Data Engineer to enhance our data capabilities. The role involves developing and maintaining scalable data pipelines and collaborating across teams to ensure quality data flows into our warehouse. The ideal candidate should have at least 2 years of experience, with strong s ...

Conversational AI Ops Engineer — Optimize Dialog Flows

Capitole busca un profesional con experiencia en Cognigy o plataformas de IA conversacional para unirse a su equipo en Valencia, España. El candidato ideal tiene más de 2 años de experiencia y será responsable de dar soporte técnico, gestionar incidentes y colaborar en la lógica de chatbots. Ofrecemos ...

Remote AI Solutions Engineer — Internal Tools & Analytics

Smartcat in Madrid seeks an AI tool developer to work fully remotely. The role involves optimizing internal AI systems, collaborating with the CEO and executive teams, and demanding familiarity with coding tools. Ideal candidates will have a basic understanding of Python, strong curiosity in AI, and ex ...

Lead AI/ML Engineer BCN/MAD/Munich

Full-time Your profile We are looking for Lead AI/ML Engineers who are passionate about building robust AI/ML systems: people who turn models into reliable, scalable products, and ensure our AI solutions are production-ready, efficient and impactful. Your job is to build and scale ...

Platform Engineer: Shape Scalable AI Data Platforms

Visium SA in Barcelona seeks talented individuals for the Platform Engineering team. You will design and implement cloud-native platforms while building data pipelines and developing software solutions. The ideal candidate has strong experience in data and cloud engineering, knowledge in ETL/ELT processes, and a ...

Senior UiPath Automation Engineer – Enterprise RPA & AI

Roboyo is seeking a Senior Intelligent Automation Engineer - UiPath to join our Delivery Team in Barcelona. This role involves designing and maintaining automation solutions using UiPath, contributing throughout the project lifecycle. Ideal candidates will have over 5 years of practical experience in UiPath, pos ...

Senior UiPath Automation Engineer Enterprise RPA & AI

Roboyo Group in Barcelona seeks a Senior Intelligent Automation Engineer specializing in UiPath to lead the design and development of automation solutions. You will collaborate with a global team to enhance efficiency and digital transformation using advanced UiPath technologies. Ideal candidates possess over fi ...

AI Model Engineer: Embeddings & High Perf Architectures

FastS3, Inc. is seeking an AI Model Engineer in Madrid to build the backbone for AI-native data infrastructure. The role involves designing and optimizing embedding models and high-performance neural architectures for large datasets. Key responsibilities include model evaluation and collaboration with engineerin ...

AI Research Engineer Reincement Learning 100% Remote

About the job As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑making and adaptive behavior to deliver enhanced intelligence, improved performance, and domain‑specific capabilities for real‑world ...

Reinforcement Learning Research Engineer for AI Systems

Framework Ventures in Madrid is looking for a member of the AI model team to innovate in reinforcement learning approaches. The selected candidate will develop and implement cutting-edge algorithms to optimize decision-making and performance for real-world challenges. A PhD in Computer Science or a related field ...

Data Engineer: AI‑Driven Data Pipelines & Products

A technology-driven company in hospitality seeks a Data Engineer to shape core data assets and build scalable data pipelines. The role emphasizes collaboration with stakeholders and mentorship within a dynamic team. You should possess strong expertise in Python and cloud databases like BigQuery. Join us in trans ...

AI Model Engineer — Multimedia Vision & ML Pipelines

A multimedia solutions leader in Barcelona is seeking an AI Model Engineer to manage the lifecycle of AI models, focusing on development, training, and optimization. This role allows for a hybrid work model and up to 80% remote flexibility, offering perks like wellness support, private health insurance, and oppo ...

AI Solution Engineer (Full Stack) Rails + LLMs

A cutting-edge technology firm in Barcelona seeks an experienced engineer to work on an AI orchestration platform. You will lead backend development in Ruby on Rails while integrating LLMs and optimizing system performance. Join a dynamic team that values speed and product excellence, and embrace a challenge tha ...

Senior GenAI Engineer: Build LLMs & AI Workflows

A global AI solutions provider in Barcelona is seeking a machine-learning engineer. The role involves collaborating with data scientists to orchestrate sophisticated AI workflows, implementing optimized storage systems, and developing frameworks for efficient ML solutions. Candidates should have a Bachelor’s or ...

Senior Go Engineer: Blockchain & AI Trust Infrastructure

A decentralized AI research collective is seeking a Senior Golang Developer to build a blockchain-based platform. The role involves designing robust node software and collaborating on AI-driven algorithms. Candidates should have over 5 years of experience in software development, particularly in Golang, and a st ...

Senior Applied AI Engineer – Developer Productivity & SDLC

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum ...

Impactful AI Engineer | Flexible Work & Learning Budget

Visium SA in Barcelona seeks talented individuals to join their AI Engineering team. The role involves transforming business challenges into AI solutions, developing AI systems, and ensuring model deployment into production. Ideal candidates will have a background in AI/Machine Learning Engineering, solid Python ...

Senior AI Automation Engineer Hybrid, Career Growth

Michael Page está buscando un Senior IA Automation Engineer en Pozuelo de Alarcón, Madrid. Serás responsable de diseñar e implementar soluciones de automatización basadas en Inteligencia Artificial, gestionando proyectos desde la planificación hasta la ejecución. Además, ofrecerás soporte técnico y formación a e ...

AI‑Driven Full Stack Engineer (Angular/Node)

Bdeo is seeking a Full Stack Developer to design and maintain innovative web applications. You will work in an AI-first development environment, collaborating with cross-functional teams to enhance our platform. The ideal candidate possesses strong skills in Angular, TypeScript, Node.js, and AI tools, ...

AI/ML DevOps Engineer — Hybrid in Madrid

Banco Santander SA sucht einen engagierten DevOps Engineer in Madrid, um die Entwicklung und den Einsatz skalierbarer AI-Lösungen zu unterstützen. Sie spielen eine zentrale Rolle bei der Gestaltung und Bereitstellung der Infrastruktur und Automatisierungspipelines, die den gesamten AI-Lebenszyklus unterstütze ...

AI Full Stack Engineer — Remote & Barcelona Hybrid

Leadtech in Barcelona seeks a Full-Stack Developer to build and scale AI products. You'll develop features using Next.js and NestJS, while collaborating with teams to enhance user experience. The ideal candidate is proficient in TypeScript, React, and PostgreSQL, with a passion for AI innovation. The r ...

Senior Data Platform Engineer: Scale Data & AI

ManyChat, Inc. is seeking a motivated Data Engineer to join our Data team in Barcelona, focused on building and optimizing data infrastructure. This role involves designing scalable data solutions, ensuring data quality, and collaborating with various teams to deliver actionable datasets. We offer a hy ...

GCP Data Engineer: Scalable ETL & AI Pipelines

Ultimate.ai is seeking a Data Engineer to join their Applications, Data & AI practice in Madrid, Spain. The ideal candidate will have over 3 years of experience in building scalable data pipelines, along with a strong knowledge of Google Cloud Platform services. The role involves designing ETL/ELT pipe ...

AI Platform Engineer – LLMs & RAG (Hybrid, Madrid)

Tamarind Intelligence busca un/a AI Developer para unirse a un proyecto innovador en el sector Banca en Madrid. Los candidatos deben tener 2-3 años de experiencia como Developer y formación técnica equivalente. Las responsabilidades incluyen desarrollar y mantener agentes de IA, construir pipelines, in ...

Senior .NET Backend Engineer — Cloud, APIs & AI

Nextlane is looking for a Senior Backend Engineer to build scalable and secure backend services using C# and .NET Core. The engineer will collaborate with cross-functional teams and implement high-quality solutions aligned with architectural standards. This role requires at least 6 years of backend exp ...

Applied Formal Methods Engineer for Physics AI

Axiomatic-AI Inc. in Barcelona is seeking an Applied Researcher in Formal Methods for Physics, tasked with developing formal verification tools for scientific AI applications. The ideal candidate holds a Master's degree, has 1-2 years of related experience, and possesses strong formal methods expertise. A collab ...

Senior AI Research Engineer Model Inference Remote

About the Job We are looking for an experienced AI Model Engineer with deep expertise in kernel development, model optimization, fine‑tuning, and GPU acceleration. The engineer will extend the inference framework to support inference and fine‑tuning for language models with a strong focus on mobil ...

Data Engineer — Hybrid Cloud Analytics & AI Pipelines

Devops Academy in Málaga, Spain, is hiring a Data Engineer to design and develop analytics solutions using major cloud infrastructures like Azure and Google Cloud. Candidates should have a degree in STEM and at least 2 years of relevant experience. This role involves collaborating with teams, managing client rel ...

Senior AI Engineer for Revenue & GTM Automation

Traveltechessentialist in Barcelona is looking for a Senior AI Engineer for Revenue & Go-To-Market. In this pivotal role, you will harness AI to solve complex business challenges and optimize workflows. You will join a collaborative Go-To-Market AI Team, working closely with domain experts to implement scalab ...

Senior AI Backend Engineer for Product Development

Clarivate Analytics is looking for a Senior Software Engineer to join the Cortellis CMC team in Barcelona. This role focuses on building and integrating high-impact AI capabilities that are essential for driving global pharmaceutical innovation. The ideal candidate has over 5 years of experience in bac ...

AI Innovation Engineer Hybrid, Remote Options & Growth

Vodafone is seeking a professional skilled in AI and ML to strengthen its corporate research group. The role involves identifying new use cases in AI, engaging with stakeholders, and participating in rapid prototyping and implementation. The ideal candidate will have a MSc or Ph.D. in a relevant field, ...

Senior Full Stack Engineer — FinTech & AI Tools

EPAM Systems is seeking a Senior Full Stack Engineer to join our team in Madrid, specializing in financial services technology. This on-site role focuses on designing, building, and maintaining robust, scalable applications using Java and React, while collaborating with cross-functional teams. The idea ...

Senior Verification Engineer AI Chip Hardware (Barcelona)

Autsorsa | HR & BPO Solutions is looking for a Senior Verification Engineer to join a leading European semiconductor company in Barcelona, Spain. The ideal candidate will have a Master's or PhD and over 8 years of experience in microprocessor architecture, focusing on the verification of complex digital desig ...

Industrial AI Engineer: Production Ready Data Models

Footprint MAPPA en Barcelona busca un ingeniero/a para unirse a un proyecto innovador en IA aplicada, cofinanciado por la Unión Europea. La persona seleccionada ayudará a construir modelos precisos y automatizados para la gestión de datos industriales. Se requiere experiencia en TypeScript, Next.js, y ...

Senior/Mid AI Research Engineer (Agents Team)

Requirements We are looking for exceptionally smart and driven AI Research Engineers to join a small, highly technical, and specialized research team at Aily The Academic Background: A Master's degree (required) in a highly technical and quantitative field such as Mathematics, Phy ...

Remote Lead Unity Engineer — Gameplay & AI Systems

Playrix ищет Ведущего Программиста для разработки мобильных игр в команде инженеров. Работая с нашими играми, вы будете отвечать за архитектуру и качество продукта, управляя командой и внедряя AI-практики. Идеальный кандидат должен иметь опыт в C++ и управления командой, а также знать современных техно ...

Senior Frontend Engineer Angular, AI & Hybrid Work

NTT DATA Europe & Latam in Barcelona is looking for a Software Developer to join a multidisciplinary team. The role involves both frontend and backend development, contributing to innovative digital solutions in a cloud-based environment. Ideal candidates should have experience with Angular and Node.js framew ...

Senior GTM Engineer: AI Powered Outbound & Clay

Perk is seeking a Senior GTM Engineer based in Barcelona to build and maintain advanced AI-driven workflows. This role focuses on designing Clay systems, enhancing data integration, and directly impacting sales productivity. The ideal candidate will have 6+ years of experience in GTM engineering and a ...

Senior Applied AI Engineer – Developer Productivity & SDLC

About Keysight AI Labs Keysight’s AI Labs is a global R&D group pioneering the integration of machine learning, generative AI into Keysight’s test, measurement, and design solutions. Our mission is to transform how engineers design, simulate, and validate advanced systems – from 6G and semiconduc ...

Hyperautomation Engineer: End to End Automation & AI

Scan-IT in Barcelona is looking for an Automation Engineer to design and implement hyperautomation solutions. You will engage in end-to-end automation design, develop robust workflows using RPA platforms, and collaborate with cross-functional teams. The ideal candidate will have 3 to 6 years of experie ...

Associate Applied AI Engineer (Benelux) Orbit Program

Celonis is the global leader in Process Intelligence and the pioneer of Process Mining technology. As one of the world’s fastest-growing enterprise SaaS companies, we are changemakers pushing the boundaries of what’s possible. We invest heavily in advanced AI capabilities—specifically our Process Intellige ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplicaciones ba ...

Senior Azure DevOps Engineer – Data & AI Infra

PIXIE busca un Senior DevOps Engineer Azure para participar en proyectos de transformación digital en el área de Data & AI. La persona seleccionada trabajará en un entorno ágil y colaborativo en Barcelona, con una parte de trabajo presencial. Se requiere experiencia en automatización, infraestructura c ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplicaciones ba ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplicaciones ba ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplicaciones ba ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplicaciones ba ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplicaciones ba ...

ML Engineer (Founding Team) AI Drug Discovery

CT19 is partnering with an early-stage venture-backed biotechnology technology company that is building next-generation AI systems to help scientists better understand, model, and engineer complex biological systems. The company is developing a platform that combines experimental data, scien ...

Hybrid Valencia AI Engineer: LLMs for Healthcare

TRAK en O Chazo busca un/a AI Engineer para desarrollar la infraestructura de IA de un producto sanitario. Este rol es clave para definir cómo se emplea la IA, con un enfoque en crear funcionalidades que aporten valor tangible a pacientes y profesionales. El candidato ideal tiene experiencia en producc ...

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