190,631+ Remote Fullstack Engineer Java React Ai Api Builder Jobs in Spain — Top Companies Hiring July 2026

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Remote AI Prompt & Agent Engineer | Generative NLP

Logicalis Spain busca un/a AI Prompt & Agent Engineer con experiencia en diseño de prompts avanzados y arquitectura de agentes. Se espera que la persona tenga una visión técnica en Responsible AI y trabaje en modalidad 100% remoto desde cualquier punto de España. El rol incluye diseño de prompts avanza ...

AI Driven Software Engineer & Tech Mentor (Remote)

Davidson Consulting busca ingenieros(as) de software con 5 a 10 años de experiencia en Castro-Urdiales, España. El puesto implica definir prácticas de desarrollo asistido por IA y colaborar en la construcción de aplicaciones, utilizando herramientas modernas como GitHub Copilot. Se ofrece un entorno de ...

AI & Data Engineer — Remote 60% + Training & Perks

MindMatch está buscando un/a AI & Data Engineer para unirse a su equipo de innovación en Barcelona. La posición incluye el desarrollo en Python, soporte en entornos Cloud, y participación en proyectos de Data Analytics. Se ofrece un 60% de teletrabajo y además, subvenciones para cantina, transporte y f ...

Senior Conversational AI Engineer Remote & Production Ready

Claire Joster | People first busca un/a Ingeniero/a de IA para desarrollar soluciones tecnológicas en el sector de atención al cliente. El candidato ideal estará involucrado en el diseño, desarrollo y evaluación de sistemas de IA, trabajando en proyectos innovadores que abarcan desde NLU hasta gestión de oper ...

Senior Backend Engineer: Remote AI Driven Serverless

AgileEngine, based in Barcelona, is on the lookout for a Senior Backend Engineer to design scalable middleware for digital platforms. The ideal candidate will have extensive experience in AWS services and Node.js, working on exciting projects with top-tier brands. The role offers a competitive USD-base ...

AI Enablement Engineer for eCommerce Platform (Remote)

Amaris Consulting is seeking an AI Enablement Engineer to join their team in Madrid. In this role, you will evaluate and promote AI-assisted engineering tools aligned with enterprise standards, while collaborating with Engineering, QA, and DevOps teams. The ideal candidate will hold a Bachelor’s degree ...

Remote AI & Data Engineer: Cloud, ETL & Analytics

MindMatch en Martorell busca un programador experto en Python para proyectos de automatización y soporte a servicios internos. La posición incluye la gestión de entornos en la nube (Azure/AWS) y el desarrollo de soluciones de inteligencia artificial. Los candidatos deben tener un grado en Física, Matem ...

AI Solutions Engineer — Center of Excellence (Remote)

Ntt Data busca un profesional apasionado por la Inteligencia Artificial en Barcelona/Madrid. El candidato manejará proyectos multidisciplinarios enfocándose en la adopción de IA en diversas aplicaciones, colaborando estrechamente con CaixaBank. Los solicitantes deben tener un título universitario y un ...

GenAI & AI Agent Engineer for Banking (Remote)

BOYCOR busca un Ingeniero de Inteligencia Artificial para participar en proyectos de IA Generativa en el entorno bancario. Formarás parte de una AI Squad enfocada en implementar soluciones de IA generativa y automatizar procesos complejos. El puesto ofrece un contrato fijo y modalidad de trabajo remoto ...

Junior Data Engineer Remote Cloud & AI Pipelines

TOKIOTA busca un Data Engineer Junior en Valencia para impulsar su área de Data & AI. El candidato será responsable de implementar y mantener pipelines de datos y desarrollar soluciones en Microsoft Fabric. Se valorará experiencia en entornos cloud y capacidades analíticas. Se ofrece trabajo híbrido, s ...

QA Engineer: Manual & AI Testing (Hybrid Remote)

Aubay Spain busca un/a QA Engineer para unirse a su equipo de tecnología en Barcelona. Esta persona será responsable de diseñar y ejecutar diversas fases de testing, garantizando la calidad del software a través de pruebas manuales y automatizadas. El puesto ofrece una modalidad mixta: 3 días en remoto ...

Senior AI Engineer Remote, Claude Code & Agents

IOON busca un desarrollador Full-Stack senior con experiencia en AI Coding Agents para integrarse en su equipo en O Chazo, Galicia. Se valora un perfil que entienda la integración de agentes de IA en el desarrollo de software. El candidato ideal tendrá experiencia práctica con Claude Code y un fuerte c ...

Remote AI Engineer — Build & Deploy Scalable Models

Kairós Digital Solutions 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 en un contexto innovador. El candidato ideal tendrá entre 3 y 6 años de experiencia en desarrollo de IA, con un dominio av ...

Remote Ai Engineer — Agentic Systems & Aws Madrid

Descripción 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 contexto innovador y multidisciplinario. Responsabilidades Desarrol ...

Remote ML Engineer – Claims Analytics & AI Impact

prima is seeking a Software Engineer – Machine Learning to join the Claims Machine Learning team. You will leverage advanced data analytics to identify risks and improve the insurance claims process. The ideal candidate has strong software engineering skills, particularly in Python and machine learning ...

Senior Data AI Engineer — Remote & Flexible Hours

Funditec busca un Senior Data AI Engineer para su unidad de inteligencia artificial aplicada. Este papel implica liderar proyectos tecnológicos que utilizan IA en ciberseguridad y transformación digital. El candidato ideal tendrá al menos 5 años de experiencia en IA, con habilidades en Python y framewo ...

Software Engineer AI Driven Payments Platform (Remote)

Spendesk in Barcelona is hiring for a software development position to develop and maintain spend management and payment processing systems. Ideal candidates have at least 2 years of experience in software development and fluency in English. The role offers a versatile remote/on-site policy and benefit ...

Vision Ai Engineer Real Time, Remote Madrid

EM&E Group en Alcalá de Henares, Madrid, busca un Ingeniero de Inteligencia Artificial para diseñar y desarrollar soluciones avanzadas de Visión Artificial. El candidato idóneo tendrá experiencia sólida en Deep Learning y será responsable de implementar técnicas de detección y clasificación. Ofrecem ...

Senior Frontend Engineer (Angular) – AI Driven & Remote

A leading cloud software provider is seeking a Senior Frontend Engineer in Barcelona to build robust web applications using Angular and TypeScript. You'll drive frontend solutions, mentor peers, and collaborate across teams, ensuring high-quality performance and user experience. The role offers a hybrid working ...

AI Enabled Full Stack Engineer — Remote & Growth

A global technology consulting firm based in Barcelona is looking for a Full Stack Software Developer to join their innovative team working on AI-enabled fleet management solutions. You will be responsible for designing and maintaining robust software components, translating business requirements into effective ...

Ai Full Stack Engineer Flexible/remote Barcelona

En Ioon estamos convencidos de que la tecnología será el eje de la transformación de nuestras vidas. ¿Es usted el candidato adecuado para esta oportunidad? Requisitos 5 a 7 años de experiencia como desarrollador de software. Se valora experiencia básica en arquitectura. < ...

Research Software Engineer — AI Driven EDA (Remote)

Axiomatic-AI in Madrid is seeking a skilled scientific-computing engineer to build high-performance computing systems for simulation and design optimization. You will work closely with teams to implement reliable scientific software that enhances engineering workflows. Candidates should have 3+ years o ...

Remote Cloud AI Engineer – Multi Cloud & MLOps

Senovo IT busca Cloud Engineers para unirse a su equipo. Esta posición es completamente remota y se centra en diseñar, implementar y administrar soluciones Cloud en plataformas como Azure, AWS y Google Cloud. Se espera que los candidatos tengan experiencia en Cloud Engineering y en proyectos de IA. Los ...

Senior AI Native Full Stack Engineer (Remote)

Plexus Tech en Valencia busca un/a Senior Full Stack Developer para contribuir a proyectos innovadores que impulsan el crecimiento profesional. Se requiere más de 5 años de experiencia en desarrollo Full Stack y un nivel de inglés C1. Ofrecemos flexibilidad laboral con modelo Flexology, retribución ada ...

Generative Ai Engineer — Remote & Flexible Hours (Badajoz)

Descripción del puesto Mática Partners busca un experto en IA Generativa para un contrato fijo en Badajoz. Se requiere experiencia en integración de LLMs y un sólido conocimiento de Python. Responsabilidades Creación de prompts y colaboración en aplicaciones escalables. Req ...

Remote Backend AI Engineer for Cortex & RAG

Quadrivia AI in Lugo, Spain, seeks a Backend Engineer to build and maintain Cortex, their core AI architecture. The role involves designing backend systems that ensure reliability and speed, while managing complex architectural challenges. Ideal candidates have at least 2 years of experience in AI software de ...

Senior Backend Engineer – Serverless, AI Tools, Remote

AgileEngine in Valencia is seeking a Senior Backend Engineer to design and build scalable middleware services for a major consumer platform. You'll develop serverless applications using AWS Lambda, API Gateway, and build Node.js/TypeScript microservices. This role requires a strong understanding of eve ...

AI Inference Engineer QVAC (100% remote Worldwide)

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reser ...

AI Engineer — LLMs, RAG & Cloud Architect (Remote)

Sngular en Valencia busca un experto en Inteligencia Artificial para diseñar e implementar soluciones basadas en modelos de lenguaje. El rol implica trabajar con equipos multidisciplinarios en el sector retail. Se requieren habilidades avanzadas en Python y experiencia en arquitecturas de LLMs, así com ...

Remote AI Engineer: Python, LLMs & Cloud Microservices

SNI busca un profesional para diseñar y desarrollar soluciones de IA/ML y aplicaciones distribuidas. Se requiere experiencia en Python y conocimiento en arquitecturas LLM, trabajando en entornos basados en la nube. La posición permite trabajo remoto desde España y tiene una duración de contrato inicial ...

Senior Python & AWS Generative AI Engineer (Remote)

Plexus Tech está en búsqueda de un perfil técnico con al menos 10 años de experiencia en desarrollo, específicamente en Python y AWS. La persona elegida deberá diseñar y desarrollar soluciones end-to-end en AWS y trabajar en la integración de capacidades de inteligencia artificial generativa. Entre las ...

Senior Python AI & AWS Backend Engineer — Remote

Métrica, ubicada en Bilbao, España, está en búsqueda de un Ingeniero/a de software senior que se especialice en Python, y que cuente con más de 5 años de experiencia en desarrollo backend y en entornos AWS. El rol requiere de una persona autónoma que pueda diseñar y mantener soluciones escalables. Se o ...

Remote Software Integration Engineer for AI APIs

Keapps busca un/a Software Integration Engineer apasionado por conectar sistemas complejos y diseñar APIs robustas. El candidato ideal debe tener al menos 4 años de experiencia en integración de sistemas y un nivel de inglés B2 o superior. Ofrecemos contratación indefinida, modalidad 100% teletrabajo y ...

Lead Unity & AI Mobile Games Engineer (Remote)

Компания Playrix в Испании (Галисия, Арбо) ищет опытного разработчика для управления командой и развития продуктов. Главные задачи включают контроль качества и решения технических задач, а также использование AI в процессах разработки. Требуется опыт разработки на C++ и/или Unity, управление командой п ...

Remote Software Engineer AI Code Eval & Benchmarking

Turing is hiring a Software Engineering Evaluator based in Vitoria, Spain. You will create innovative datasets for training AI models and work closely with researchers on code evaluation and quality assessment. The ideal candidate has extensive software engineering experience, strong skills in modern l ...

AI Platform Engineer (Remote) – LLM, Cloud & Governance

eXperience IT Solutions busca un profesional apasionado por la inteligencia artificial y las plataformas cloud para diseñar soluciones escalables. Se requiere experiencia con APIs de LLMs, conocimientos en AWS y Azure, y capacidad para trabajar en entornos distribuidos. Ofrecemos un entorno tecnológico ...

Remote QA Automation Engineer with AI Testing

Primeit España busca un QA Engineer para un trabajo 100% remoto. El candidato ideal tendrá entre 2 y 4 años de experiencia, manejo de herramientas de automatización y un nivel de inglés B2. Se ofrecen condiciones laborales competitivas y un salario entre 30.000 y 36.000€. La empresa promueve el desarro ...

GenAI Engineer: Python AI Solutions & Remote Workflows

GFT en Madrid está buscando un desarrollador experto en Python para crear soluciones de inteligencia artificial generativa. El candidato ideal debe tener experiencia en programación, desarrollo de APIs e innovación en modelos generativos. Ofrecemos un contrato fijo con un salario anual entre 35.000 y 4 ...

Full Stack Engineer (AI Driven) – Remote/Hybrid

Tyris Software, ubicada en Valencia, busca un desarrollador full stack con más de 4 años de experiencia. La persona ideal tiene habilidades en desarrollo de software, así como experiencia en integración de IA generativa y diseño de arquitecturas en la nube. Ofrecemos un contrato indefinido a jornada co ...

Remote Backend Node.js Engineer for AI Platform

ManpowerGroup busca un/a Backend Developer (Mid/Senior) para unirse a su equipo de I+D en Valladolid, donde trabajará en una plataforma de IA para contact center y helpdesk. El candidato ideal debe tener experiencia en diseño y desarrollo de APIs, manejo de frameworks como Express, así como conocimient ...

AI Inference Engineer QVAC (100% remote Worldwide)

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reser ...

AI Powered Software Engineer & Tech Coach (Remote)

Astek busca un Ingeniero de Software especializado en desarrollo con AI para liderar la adopción de prácticas modernas de codificación asistida por IA. Buscamos una persona con experiencia entre 5 y 10 años en ingeniería de software y habilidades avanzadas en Python o TypeScript/JavaScript. El candidat ...

Software Engineer AI Driven Spend Tech (Remote)

Spendesk is seeking a talented Software Engineer to join their team in Madrid. You will play a crucial role in developing spend management systems, collaborating with cross-functional teams, and actively using AI-assisted tools. The ideal candidate will have a strong background in software development ...

Full Stack Developer (Generative AI) (Cequeliños)

Full Stack Developer (Generative AI) Location: Spain (100% Remote) Type: Full-time About the Role We are looking for a Full Stack Developer with Generative AI experience to join our technology team. You will be responsible for building scalable applications, developing front ...

Senior Full Stack Dev for Fintech: Profitability APIs

UST seeks a Senior Full-Stack Developer to design and implement financial investment profitability algorithms. The ideal candidate will combine expertise in back-end development and data engineering. Responsibilities include processing large data volumes and ensuring API availability and accuracy. Cand ...

Java Engineer (Galicia)

Buscamos Programador/a Java Microservicios con experiencia en AWS para unirse a nuestro equipo. Requisitos Al menos 4-5 años de experiencia en desarrollo de microservicios basados en Java con Spring Boot. Experiencia en desarrollo de API Rest y en la definición e implementació ...

Ai Full Stack Engineer: Ai Coding Agents & Apis (Remote/Hybrid)

Fistrek busca un/a desarrollador/a Full Stack Senior para diseñar e implementar soluciones de inteligencia artificial en el desarrollo de software.A continuación, encontrará un desglose completo de todo lo que se requiere de los posibles candidatos, así como la forma de presentar su candidatura. ¡Mucha ...

Remote Senior Ai Engineer — Nlp & Generative Ai For Fact Check

Trueflag is seeking a Senior AI Engineer to join their innovative team focused on combating disinformation using Gen AI and NLP techniques. This remote role allows you to work from anywhere in Spain while collaborating with experts in data science to design intelligent systems for automated fact-checking. As a k ...

Senior Backend Python Engineer | Remote Migration Lead

Shakers, a fast-growing logistics tech company in Spain, seeks a backend engineer to lead a critical platform migration. This role requires extensive Python expertise and PostgreSQL knowledge, managing existing systems while effectively migrating to newer technologies. You will own the Java + Oracle co ...

Senior Software Engineer Frontend Remote (Valencia)

Ready to reinvent customer experience through AI and automation? We're hiring a Senior Software Engineer to join a fast-growing, product-driven travel tech scale-up building intelligent systems through AI, automation, and modern software engineering. This is a high-impact role where you'll work on complex techni ...

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