216,379+ Remote Fullstack Developer Python React With Ai Jobs in Spain — Top Companies Hiring July 2026

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Full Stack Developer Intern / Trainee Remote

This is a remote position. Job Overview We are offering a remote internship opportunity for Full Stack Developer Interns / Trainees who want structured learning combined with real project experience. This program runs for 1 to 6 months and focuses on developing practical web development skills under professional ...

Developer Advocate & Meetup Lead (Remote, AMER)

A leading cloud analytics company is seeking a Developer Advocate to grow and support its AMER meetup community.Experiencia, cualificaciones y habilidades interpersonales, ¿tiene todo lo necesario para triunfar en esta oportunidad? Descúbralo a continuación.This fully remote role involves connecting engi ...

Backend Developer (Node.js/TypeScript) Remote & Flexible

Backend Developer (Node.js + TypeScript) | Fintech Madrid (Aravaca) – modelo híbrido / remoto desde cualquier lugar de España ¿Por qué unirte? No incorporamos a una persona que solo programe APIs. La persona idónea qui ...

Senior Java Developer (Spring Boot) Remote

Una empresa tecnológica en Madrid busca un Analista Programador Java Senior con al menos 6 años de experiencia en desarrollo.Por favor, verifique que tiene el nivel de experiencia y las cualificaciones adecuadas leyendo la descripción completa de esta oportunidad a continuación.Se requiere dominio de Jav ...

Remote MuleSoft Developer | API & Integration Expert

ACERCA DE LA POSICIÓN MULESOFT DEVELOPERDesplácese hacia abajo para obtener una visión general completa de lo que requerirá este trabajo. ¿Es usted el candidato adecuado para esta oportunidad?En About The Job MuleSoft DeveloperACERCA DE LA POSICIÓN ...

Senior Full Stack Engineer: Integrations & Microservices

Verisure is seeking a Senior Fullstack Software Developer to join its Technology Department at the Verisure Tech Hub in Alicante.Recuerde revisar su CV antes de enviar la solicitud. Además, asegúrese de leer todos los requisitos relacionados con este puesto.This role involves building and maintain ...

Senior French Prompt Engineer – Clinical AI / LLM | Remote in Europe

Senior French Prompt Engineer – Clinical AI / LLM | Remote in Europe We are looking for a Senior French-speaking Prompt Engineer / Applied Research Scientist to contribute to the development of AI-powered clinical documentation systems . In this role, you will work at t ...

Senior Test Automation Engineer: Backend & AI

Dev.Pro, a remote‑first European technology partner, is seeking a Senior Test Automation Engineer to drive end‑to‑end QA for a fintech data platform. You will own automation for backend services, AI‑related components, and complex integrations, collaborating with distributed engineering teams to ensure high q ...

Senior Test Automation Engineer: Backend & AI

Dev.Pro, a remote‑first European technology partner, is seeking a Senior Test Automation Engineer to drive end‑to‑end QA for a fintech data platform. You will own automation for backend services, AI‑related components, and complex integrations, collaborating with distributed engineering teams to ensure high q ...

Full Stack Engineer: React/Node, Hybrid In Barcelona

Tamarind Intelligence based in Barcelona is seeking a skilled web developer to join their Logged Out Experience team.Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible.The role involves building and maintaining a public-facing web ...

React Native Mobile Engineer For Crypto Wallets

Tether in Madrid is looking for a skilled developer to join their team in building next-generation mobile applications that integrate crypto wallets.Usted podría ser el solicitante perfecto para este trabajo. Lea toda la información asociada y asegúrese de presentar su candidatura.You will work cl ...

Remote AI Engineer Education Tech Platform

Teneo Education is seeking an AI Engineer to join their Technology Team. This role involves designing and building AI-enabled features for various educational products, working closely with stakeholders to ensure quality and reliability. The ideal candidate has over 2 years of experience in data scienc ...

Senior Full Stack Engineer: Integrations & Microservices

Verisure is seeking a Senior Fullstack Software Developer to join its Technology Department at the Verisure Tech Hub in Alicante.Recuerde revisar su CV antes de enviar la solicitud. Además, asegúrese de leer todos los requisitos relacionados con este puesto.This role involves building and maintaining ...

Big Data Developer Spark Scala (100% remoto España)

Role Description We are looking for the very Top Talent… We are a multinational company based in North America, certified as a Top Employer, with over 35,000 employees worldwide and presence in more than 30 countries. We are leaders in digital technology services and provide large-scale technolog ...

Software Engineer Alan Precision (X/F/M)

You. Better. With AlanPor favor, lea detenidamente la siguiente descripción del puesto para asegurarse de que encaja con el perfil antes de enviar su solicitud.Alan is building a vertically integrated health partner that unites insurance and smart healthcare delivery into one seamless system. Our ...

Senior French Prompt Engineer For Clinical Ai Remote

A consulting firm is seeking a Senior French-speaking Prompt Engineer to help develop AI-powered clinical documentation systems.Sea uno de los primeros solicitantes, lea la descripción completa del puesto a continuación y luego envíe su candidatura para que sea considerada.This remote role involves d ...

React Native Mobile Engineer for Crypto Wallets

Tether in Madrid is looking for a skilled developer to join their team in building next-generation mobile applications that integrate crypto wallets.Usted podría ser el solicitante perfecto para este trabajo. Lea toda la información asociada y asegúrese de presentar su candidatura.You will work closel ...

Full Stack Engineer: React/Node, Hybrid in Barcelona

Tamarind Intelligence based in Barcelona is seeking a skilled web developer to join their Logged Out Experience team.Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible.The role involves building and maintaining a public-facing web pre ...

AI Engineer

Overview En EQTIC , trabajamos con un cliente tecnológico especializado en Inteligencia Artificial aplicada al entorno industrial , con una clara visión de crecimiento y posicionamiento como referente en su sector. La incorporación será directa en plantilla del cliente final . ...

Desarrollador Fullstack Junior Crecimiento y Impacto

C Caja Rural de Aragón busca incorporar un/a Desarrollador/a Fullstack Junior para su equipo de Tecnología y Sistemas. Se trabajará con React, Node.js, SQL y Oracle, además de procesos ETL y herramientas como GCP, BigQuery, dbt y Power BI. La posición ofrece aprendizaje continuo, entorno cercano y opor ...

Fullstack Engineer Build Scalable Apps | Flexible Hours

Randstad Digital España busca un/a desarrollador/a fullstack para integrarse en un equipo técnico, diseñando, desarrollando y manteniendo aplicaciones web y móviles escalables con tecnologías de vanguardia. Se valorará experiencia en Node.js, Express, Angular/React, CSS y herramientas modernas de desar ...

GenAI Powered Backend Engineer (Node.js) – Hybrid Barcelona

knowmad mood busca un Fullstack Engineer para unirse a su equipo. El rol implica desarrollo backend con Node.js y participación en proyectos de frontend con React / Next.js, contribuyendo a una plataforma GenAI segura y escalable. Se ofrece un contrato indefinido, 26 días de descanso y horario flexible ...

Remote Graphic Designer & AI Trainer

Are you an experienced graphic designer eager to shape the future of AI? Large-scale language and vision models are rapidly evolving, and their ability to understand visual creativity depends on high-quality training data. With your design expertise, tomorrow’s AI can learn to recognize layout principles, eva ...

Remote AI Fashion Visuals Artist

Pixofix is seeking an AI Fashion Visuals Specialist to join its innovative PXAI-1 studio in the Philippines. The role demands a creative visual artist skilled in generating AI-driven fashion imagery. You will manage the entire AI production process, implementing prompt engineering and retouching to meet high ...

AI First Solutions Architect — Remote

ENDGAME is an AI-native consulting and product development firm. You’ll design technical approaches for AI‑first enterprise products. You’ll make architecture decisions that balance capability, cost, risk, and time. You’ll help teams build what you design. This is hands‑on. You will need to write code, ...

Remote AI Workflow Engineer (Freelance)

Mindrift is seeking a part-time AI Workflow Engineer for the Tendem project in Spain. This remote freelance role focuses on designing and optimizing AI-driven workflows powered by LLMs. You'll collaborate with agents and leverage your expertise in prompt engineering, automation, and data structuring. Ideal candi ...

AI Governance Leader — Hybrid/Remote

Santander is recruiting for an AI Governance Specialist to define and run the Group-wide AI Governance framework from Madrid. You will coordinate governance forums, manage the AI use case inventory, and drive AI risk assessments across a multinational team. The role requires +5 years in governance or r ...

Remote Environmental AI Training Reviewer

Alignerr, a remote-first environmental AI benchmarking platform, seeks experienced environmental management professionals to shape how AI understands sustainability and land-use planning. This fully remote, contract role offers flexible hours and task-based work to fit your schedule. You will review AI ...

AI Driven Engineering Manager (Remote)

A tech scale-up in Spain seeks an experienced Engineering Manager to lead a high-performing engineering team. This role emphasizes building effective processes, managing talent, and integrating AI into workflows. The ideal candidate has a proven track record in engineering management, is adaptable in ambiguous s ...

Lead AI Solutions Architect (Remote)

Jobgether is seeking a Senior AI Solution Architect based in Spain to lead design and delivery of advanced AI-powered solutions. You will define scalable architectures, guide technical strategy, and ensure secure, production-ready systems across enterprise environments. Responsibilities include RAG arc ...

Remote AI Fact Check Researcher

Alignerr is seeking a Research Analyst (AI Training) to verify AI-generated information, cross-check sources, and document findings. This fully remote hourly contract offers flexible scheduling and the chance to work on cutting-edge AI projects. You will review topics from science to current events, fl ...

Platform Engineer, AI Sandboxes – Remote

Jobgether is seeking a Senior Platform Engineer to design and operate scalable sandboxed execution environments for agent sessions. You will work at the intersection of platform engineering, distributed systems, and ML infrastructure, enabling large-scale experimentation and model training. The role fo ...

SEO & AI Discovery Architect — Remote

iubenda is seeking an SEO & AI Search Specialist (GEO/AEO) to accelerate organic growth across traditional and AI-driven search surfaces. You will optimize product ecosystem visibility across major AI platforms and search engines while coordinating with content, product, and engineering teams. Remote-f ...

Remote AI Leadership & Management Educator

Alignerr is seeking an experienced Management & Leadership Instructor to help shape AI understanding of organizational behavior and team dynamics. This fully remote, flexible contract role offers 10–40 hours per week and independent, asynchronous work on task-based assignments. The ideal candidate has ...

Fulah AI Language Trainer (Remote)

A leading tech company based in Spain is seeking a Fulah Language Specialist to work remotely. The role involves evaluating AI-generated Fulah texts, providing expert feedback on grammar and culture, and collaborating with the team to enhance model performance. Required qualifications include fluency in Fulah an ...

Remote Finance AI Trainer — Contractor

DataAnnotation is seeking an experienced Finance Professional to train AI models in finance contexts. You will evaluate AI chatbots on macro trends, corporate finance, and capital markets and help shape how AI understands financial principles. Preferred candidates have MBA+ or real-world finance experi ...

Finance AI Trainer (Remote Contract)

DataAnnotation is seeking an experienced Finance Professional to help train AI models. You will measure the progress of AI chatbots, evaluate their logic, and solve problems to improve the financial understanding of each model. This role supports teaching AI assistants to be a more useful tool for fina ...

Remote Finance AI Strategy Analyst

DataAnnotation is seeking an experienced Finance Professional to help train AI models. You will measure the progress of AI chatbots, evaluate their logic, and solve problems to improve financial guidance for finance professionals. This independent contractor role offers flexible hours, remote work from ...

Remote AI Business & Management Trainer

A leading AI training company is seeking a Business and Management Specialist for a freelance AI Trainer project. In this remote role, you'll use your expertise to engage and evaluate large-scale language models in business scenarios. The position is ideal for entry-level candidates with a background in business ...

Remote AI Content Quality Reviewer

Alignerr is seeking Content Reviewers to assess AI-generated text, ensuring clarity, accuracy, and responsible communication. This remote, hourly contract role offers flexible hours and task-based work designed for independent contributors. You will read, assess, and provide detailed feedback across to ...

Remote AI Training Data Annotator

Alignerr is seeking a Document Review Specialist to read, annotate, and classify a variety of documents. This fully remote, hourly contract role offers 10–40 hours per week and requires a reliable internet connection and commitment to quality. You will read diverse documents, apply annotation guideline ...

AI Dialogue Quality Analyst – Remote

Alignerr is seeking a Conversation Quality Analyst to evaluate AI-generated dialogues and help ensure they read as natural and helpful. This is a fully remote, flexible hourly contract open to applicants with strong reading comprehension and an ear for natural language. You'll read conversations, asses ...

Remote AI Social Content Evaluator

Alignerr is hiring a Social Media Content Evaluator for AI training. The role is fully remote and offers hourly contracts with flexible hours between 10 and 40 hours per week. You will review AI-generated posts, captions, and comments to ensure tone, relevance, and engagement align with current trends ...

AI Research Engineer (PhD required)

At NeuralTrust, we’re looking for aAI Research Engineer (PhD required)to lead our product vision, shape our platform strategy, and work closely with enterprise clients to secure and scale their AI transformation. Join us!About NeuralTrust We’re a Barcelona-based startup that is rapi ...

AI Research Engineer (PhD required)

At NeuralTrust, we’re looking for aAI Research Engineer (PhD required)to lead our product vision, shape our platform strategy, and work closely with enterprise clients to secure and scale their AI transformation. Join us!About NeuralTrust We’re a Barcelona-based startup that is rapi ...

Senior AI Engineer Remote, AI Native Dev & Governance

ChainGPT is seeking a Senior AI Engineer to drive AI-native development across core product features and infrastructure. You will collaborate with founders and senior staff, directing AI coding agents while maintaining strong human oversight and technical ownership. The role requires shipping prototype ...

AI First Product Analyst — Build Scout AI (Remote)

Smartcat, an AI-first content platform, seeks an AI‑First Product Analyst to partner with Product leadership and support the CEO's office. You will build data behind recurring analytics, enable Scout and AI teammates, and tackle strategic product questions with data to uncover growth opportunities. You ...

Remote Finance AI Trainer: Shape Smart Investment AI

DataAnnotation is seeking an experienced Finance Professional to train AI models for financial applications. You will assess AI chatbot reasoning, ensure accuracy on macro trends and capital markets, and push models with complex scenarios to improve reliability. Ideal candidates hold an MBA or PhD or h ...

Remote AI Chatbot Tester — Shape Safer, Smarter AI

Alignerr is seeking an AI Chatbot Tester to engage in conversations with AI chatbots and provide structured, honest feedback to help improve model quality. No technical background is required, and you can work remotely on your own schedule, with 10–40 hours per week on an hourly contract. Ideal candida ...

Remote Nlp Data Scientist Ai, Azure & Apis

LittleBig Connection is seeking an experienced Data Scientist to strengthen our AI & Data team in Barcelona.Presente su candidatura después de leer los siguientes requisitos de habilidades y cualificaciones para este puesto.You will develop NLP models, build scalable APIs, and collaborate with dat ...

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