148,046+ Remote Fullstack Ai Engineer Python React Jobs in Spain — Top Companies Hiring July 2026

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AI SWE / Agentic Handover Engineer (m/f/d)

AI SWE / Agentic Handover Engineer (m/f/d) Full-time T‑Systems is part of the Deutsche Telekom Group, with around 30,000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, ...

Swedish Language Engineer for Siri AI & NLP Innovator

Apple Inc. is seeking an experienced Language Engineer for Siri in Swedish based in Barcelona. You will work across ML/NLP and software engineering to develop language features for Swedish and support global markets, collaborating with multiple teams to design, implement, and iterate end-to-end solutio ...

Senior Full Stack Engineer: Backend‑First, AI‑Driven

Preply is seeking a talented Full-Stack Developer based in Bellprat, Cataluña. In this role, you will be principally responsible for backend development using Python/Django while also contributing to frontend features using React/Typescript. This opportunity offers competitive compensation, equity, health ins ...

Java Backend Engineer for AI Driven Cloud Apps

Cegid busca un/a desarrollador/a Java/SQL para diseñar, desarrollar y mantener aplicaciones empresariales en un entorno tecnológico en la nube. Colaborarás con Product Managers, UX y Arquitectos para transformar requisitos funcionales en soluciones técnicas eficientes. Trabajarás en un equipo Agile SCR ...

Prototype Driven AI Engineer Intern Bilingual IT/EN

Loonar is seeking a young, technical, AI-native professional who can bridge customer feedback and engineering. You will swiftly prototype ideas, validate them directly with customers, and push into production when proven valuable. The role blends product sense, software tinkering, and close customer collabora ...

AI Driven Full Stack Engineer for Healthcare Ops

Livo Health is seeking a Senior Full-Stack Engineer in Barcelona to drive the development of AI-powered healthcare solutions. In this role, you will own product-level outcomes and leverage advanced AI tools to enhance software development processes. Applicants should have 5+ years of experience, strong ...

AI Driven Full Stack Engineer — Angular & Java (Hybrid)

Allianz Technology is seeking an AI Full Stack Developer to drive innovation within their Business Master Platform. You will design and develop advanced applications, integrating AI solutions across multiple countries.Working in an agile environment, you’ll collaborate with cross-functional teams and contribu ...

Azure AI Engineer .NET & LLM Orchestration for Enterprise

SQLI, a leader in digital transformation in Valencia, is seeking an AI Engineer to design and build AI-powered applications using Azure technologies. In this role, you will work closely with client teams to deliver solutions based on .NET and AI application patterns. You will have the opportunity to wo ...

Senior Angular Frontend Engineer — AI‑Native at Scale

Talan seeks a Senior Frontend Developer with strong Angular expertise. You will develop scalable frontend applications, collaborate with engineers and stakeholders, and mentor junior developers as part of a high-performance engineering culture. This role offers a permanent contract, flexible remunerati ...

PCIe Engineer – AI Chip Infra, Relocation to Barcelona

A leading technology firm based in Barcelona is seeking an experienced PCIe Engineer to work on next-generation high-performance AI processors. You'll define architecture and implement PCIe solutions in a collaborative R&D environment. With 4+ years of experience and strong RTL design skills, this opportunity of ...

Senior AI Driven DevOps & SRE Engineer (Hybrid, Barcelona)

JobFluent is seeking a Senior DevOps/SRE Engineer in Barcelona to take charge of their cloud platform. The role emphasizes ownership of both classical platform work and AI infrastructure performance, costing, and reliability. The ideal candidate will drive improvements in CI/CD, developer productivity, ...

Senior ML Engineer Drive Real World AI Solutions

A data-driven technology firm is seeking a Senior Machine Learning Engineer to join their team in Valencia. You will conduct applied research using state-of-the-art techniques in machine learning, deploying solutions for business outcomes while collaborating with a diverse team. Candidates should possess profici ...

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 ...

Data & AI Engineer: Arquitecto de Datos para Energía

Grenergy busca un/a Data & AI Engineer para diseñar y desarrollar arquitecturas de datos y soluciones backend orientadas a IA. La posición es clave para la integración de datos industriales y corporativos, facilitando la IA y la analítica avanzada. Con un enfoque en la colaboración entre equipos, el ro ...

Senior Backend Engineer: Java/GCP, AI Driven & Scalable

Una entidad bancaria internacional busca un Senior Engineer en Madrid para unirse a su equipo de Canales Digitales. El rol se centra en el desarrollo de software backend de alto rendimiento, diseño de arquitecturas técnicas robustas, y participación en todo el ciclo de desarrollo. Se valora la experiencia en Jav ...

Senior Product Support Engineer — Drive AI‑Rooted Fixes

AlleyCorp is looking for a Senior Product Support Engineer based in Barcelona, Spain. In this role, you will own complex technical escalations, bridging Customer Operations and Engineering. Your efforts directly influence user experience across our core products. The ideal candidate has 3+ years in pro ...

AI & Automation Engineer — Microsoft Power Platform Expert (Hybrid)

RocaSalvatella busca un AI & Automation Engineer para liderar soluciones de IA y automatización en clientes corporativos. Se unirá al equipo de AI Solutions, combinando delivery técnico con consultoría para crear valor real en negocio. Se trabajará con el stack Microsoft (Power Platform, Copilot Studio ...

Platform Engineer – AI Driven Backend & Cloud (Hybrid, Barcelona)

Smadex, a cutting-edge ad-tech company in Barcelona, seeks a full-time software engineer to contribute to backend services and AI-driven automation. You will work across the stack with Node.js and Angular, focusing on scalable, secure, and data‑driven features. You’ll join a hybrid team, enjoy a great ...

Software Engineer – Hybrid Valencia | Growth & AI‑Driven Dev

Anschuetz UK Ltd. in Valencia is building an agile development centre focused on maritime sensor, navigation, and automation systems. We hire software engineers across levels and offer a modern toolchain, international collaboration, and clear growth paths. You'll work in a bilingual team (English and ...

Senior Go/Rust Engineer – AI Native Data Platform

Lansweeper NV is looking for a Senior Software Engineer to join their team in Alicante, Spain. This hybrid role involves working two days in the office and contributes to a cutting-edge AI Cyber Asset Intelligence platform. The ideal candidate will have proficiency in Go or Rust and experience with distribute ...

Agentic AI Engineer — Build Multi Agent LLM Systems

Accenture España busca incorporar un Agentic AI Engineer en Barcelona mediante un programa intensivo de 5 semanas. El candidato formará parte de proyectos de gran envergadura en un entorno híbrido, trabajando algunas jornadas desde casa y otras en la oficina. Las responsabilidades incluyen diseñar y op ...

Robotics AI DL Engineer in Barcelona – Vision & Autonomy

A cutting-edge robotics and AI company is seeking a Deep Learning Engineer to develop and implement advanced AI models for robotic applications. The ideal candidate will have a relevant degree and strong knowledge of Deep Learning techniques such as CNNs and transformers, along with proficiency in frameworks lik ...

Senior ML Engineer: AI for Code & Developer Tools

JetBrains is searching for a motivated ML Engineer in Madrid to innovate and enhance software development through machine learning solutions. Responsibilities include prototyping ML systems, training, and evaluation pipelines, and collaboration with teammates. Ideal candidates will have experience in ML design, ...

Senior AI Driven Full Stack Engineer (Hybrid Madrid)

About Us: Luzia is Europe’s fastest-growing AI consumer company, redefining conversational AI with cutting-edge large language models and an unparalleled user experience. With a strong and rapidly expanding presence in Brasil, we’re on a mission to make Luzia the go-to AI person ...

Liquid Cooling Systems Engineer for AI Data Centers

Vertiv Co in Madrid seeks a Thermal Team Member to enhance maintenance services for cooling applications in high-computing environments. You will collaborate with various teams to implement innovative solutions and improve service delivery. The ideal candidate has a degree in engineering and over 3 years of r ...

Senior Front End Engineer Healthtech UI & AI UX

Biorce, a Healthtech innovator in Barcelona, seeks a frontend developer to build responsive, scalable interfaces using React, HTML5, CSS3, and TypeScript. You will collaborate with design teams to convert wireframes into interactive, pixel‑perfect experiences while ensuring performance and accessibility. ...

STACKIT Data & AI Software Engineer (m/f/d)

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an ...

Senior Backend Engineer — Java, Spring Boot, AI & Cloud

Allianz Technology in Barcelona is looking for a seasoned Java Developer to modernize legacy systems and develop innovative insurance products. Join a dynamic team leveraging Java, Spring Boot, and Agile methodologies to enhance business solutions. With a hybrid work model, enjoy benefits including hea ...

Data Platform Engineer: High Performance, AI‑Driven Infra

The Workshop is searching for a Data Software Engineer to enhance its data platform. Ideal candidates will showcase strong back-end skills in Java or Python, and expertise in Kafka for data ingestion. This role offers the chance to build services that support high-volume data needs. With a collaborativ ...

Application Support Engineer II (Dev & AI Tech Enthusiast)

¿Estás listo para cambiar tu trabajo por un viaje? ¡Conviértete en un FlyMate! La pasión, la emoción y la colaboración global son fundamentales para lo que significa ser un FlyMate. En Flywire, tenemos la misión de realizar los pagos más importantes y complejos del mundo. Utilizamos nuestra ventaj ...

Senior Frontend Engineer — AI‑Driven UI & Platform Lead

Landbot is seeking a Senior Frontend Engineer to join their high-performance team in Madrid. The role focuses on shaping user interactions and delivering quality code. You'll engage with cross-functional teams, build scalable solutions, and innovate for future challenges. Ideal candidates have a deep u ...

Senior Java Engineer Flights Search Platform (AI/Cloud)

eDreams ODIGEO in Barcelona is searching for a Senior Java Software Engineer to build and evolve their Flights Search/Booking/PostBooking microservices platform, supporting over 2.5 billion searches every month. The ideal candidate will have significant experience in Java and BigData technologies and m ...

Deep Learning Engineer — LLM Compression & AI Deployment (Hybrid)

A leading European deep-tech company is seeking a Deep Learning Engineer to work on groundbreaking AI and model compression projects. The ideal candidate will have a Master's or Ph.D. and significant experience in deep learning, with a focus on model optimization and compression techniques. This role offers a co ...

Senior Perception Engineer Edge AI for Robotic Sensing

Funditec busca incorporar a un/a Senior Perception Engineer en Madrid, un papel clave para la integración de sensores como LiDAR y cámaras. El candidato ideal debe tener experiencia en proyectos software y hardware y conocimientos en Deep learning, ROS, y más. Se ofrece un entorno de trabajo innovador, ...

Data Engineer AWS, Big Data & AI (Hybrid, Spain)

Accenture, un líder global en servicios profesionales, busca incorporar Data Engineers con interés en IA para un programa intensivo de 5 semanas. Este puesto está disponible en Sevilla, Málaga o Alicante y sigue un modelo de trabajo híbrido. Los candidatos deberán tener experiencia en ingeniería de dat ...

Full Stack Engineer for AI Driven Voice Platform

Aircall is looking for experienced Software Engineers to join a new team focused on building an innovative product that leverages AI and voice technology. As a key member of this team, you will influence the technical direction and collaborate with cross-functional teams. The ideal candidate has strong ...

Conversational AI Engineer End to End Voice & Chat

M47 - AI Company in Barcelona is seeking an AI/ML engineer to own end-to-end conversational AI deployments for a key enterprise client. You will design prompts, build knowledge bases, and integrate systems via APIs, with STT/TTS optimization and safety governance. This role demands hands-on experimenta ...

Production AI Engineer Build & Deploy Real Models Hybrid

Q-Tech is seeking an AI Engineer to join their team in the technology sector based in Barcelona. The role involves researching, designing, and training machine learning models tailored to product specifications. Candidates should have a strong academic background in relevant fields and experience in model dev ...

Cloud Data Engineer: Analytics & AI for Global Impact

EY GDS Spain in Málaga is seeking a Data Engineer to design, implement and test analytics solutions across major cloud platforms and data warehouses. You will lead scalable data pipelines and collaborate with cross-functional teams on digital transformation projects for global clients. The role require ...

Application Support Engineer II — AI Driven Debugging & DevBridge

Flywire busca un Ingeniero de Soporte de Aplicaciones II con mentalidad de desarrollador para trabajar desde Valencia. Serás puente entre operaciones y los equipos de ingeniería, analizando fallos, leyendo código y proponiendo mejoras. Trabajarás con Ruby on Rails, Java y React, y bases de datos MySQL/ ...

GenAI AI Engineer (Claude) Hybrid with Growth Perks

Sopra Steria, ubicada en Cataluña, busca un Ingeniero de Software en IA para diseñar y desarrollar soluciones innovadoras basadas en Claude.Desplácese hacia abajo para obtener una visión general completa de lo que requerirá este trabajo. ¿Es usted el candidato adecuado para esta oportunidad?El candida ...

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.Obtenga más información sobre las tareas generales relacionadas con esta oportunidad a continuación, así como sobre las habilidades requeridas.The role involves collaborating with cros ...

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, th ...

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.Compruebe que cumple con los requisitos de habilidades para este puesto, así como con la experiencia asociada, y luego envíe su CV a con ...

Principal Forward Deployed Engineer – AI Native Software Development

At JetBrains, 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. Se anima a todos los po ...

AI Data Platform Engineer — Semantics, LLMs & APIs (Hybrid)

Lognext busca un AI / Data Platform Engineer para unirse a su equipo en Málaga.La experiencia que se espera de los solicitantes, así como las habilidades y cualificaciones adicionales necesarias para este trabajo, se enumeran a continuación.El candidato ideal tendrá de 2 a 5 años de experiencia en entorn ...

Senior AI/ML Engineer — Quantum‑Inspired LLMs & GPU

A leading Quantum AI start-up in Madrid seeks a Senior Consultant to enhance AI applications.Recuerde revisar su CV antes de enviar la solicitud. Además, asegúrese de leer todos los requisitos relacionados con este puesto.This hybrid role requires collaboration on cutting-edge projects focusing on Large ...

Lead IoT Cloud Engineer Platform Resilience & AI Ops

Vodafone Group Plc is looking for an IoT Infrastructure Engineer to join their team in Madrid.Inscríbase (haciendo clic en el botón correspondiente) después de revisar toda la información relacionada con el trabajo a continuación.This role involves designing and managing cloud infrastructure solutions ...

Software Engineer AI Therapeutics start up (Platform/Infra)

Senior Software Engineer | Platform & Infrastructure Maximice sus posibilidades de que su candidatura sea seleccionada asegurándose de que su CV y sus habilidades se ajustan al perfil.About the CompanyOur client is a venture-backed deep-tech company building an AI-powered platform t ...

Principal Backend & Data Engineer for AI Powered Systems

SKLUM is seeking a Principal Software Engineer – Backend & Data to build the backend and data layer of the new Sklum app from scratch.Se pueden requerir diversas habilidades interpersonales y experiencia para el siguiente puesto. Por favor, asegúrese de consultar la descripción a continuación con atención ...

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