230,621+ Remote Fullstack Dev Java Angular Ai Tools Jobs in Spain — Top Companies Hiring June 2026

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Senior Russian Voice Actor for AI Training (Remote)

A leading AI technology company is seeking a Russian Voice Actor for a freelance AI Trainer project. This role involves recording scripted material, evaluating AI outputs, and providing linguistic feedback to enhance Russian voice models. Candidates should have professional voice acting experience, clear communi ...

Remote Personal Financial Advisor for AI Research (Contract)

A leading staffing agency is looking for experienced Personal Financial Advisors to contribute domain expertise to an AI research initiative. This fully remote position involves diagnosing real-world financial scenarios and developing structured tasks to improve financial reasoning systems. Candidates should hav ...

Remote Software Engineer Annotator for AI Training Data

A leading consulting firm in technology is seeking an experienced Software Engineer Annotator to work remotely. The role involves evaluating, labeling, and improving software engineering datasets used for AI training. The ideal candidate should possess strong programming skills, be experienced in reviewing AI-ge ...

Senior AI Infra Architect — Remote Spain (Cloud/IaC)

Una empresa innovadora en el sector biotecnológico busca un Arquitecto de la Infraestructura de IA para diseñar y escalar una plataforma de IA empresarial. El rol requiere al menos 6 años de experiencia en entorno Cloud, principalmente con Azure, y sólidos conocimientos en microservicios y DevOps. Este puesto of ...

Remote Finance Engineer: AI Driven Strategy & FP&A

A leading travel fintech company is looking for a Finance Engineer in Spain to build automated reporting systems and model financial strategies using AI tools. The role requires a strong analytical mindset and 5-7 years of experience in a tech environment. Candidates must have a degree in a quantitative discipli ...

Senior Full Stack JS Engineer – EdTech (Remote, AI)

Wait a minute.Are you inspired by building a pioneering EdTech company that will empower millions of people? Do you dream of creating cutting-edge web applications that seamlessly combine AI, UX/UI excellence, and scalability to create transformative learning experiences at scale ? <p ...

Remote Swedish Coding Specialist for AI Training Data

Are you a coding expert fluent in Swedish eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow’s AI can democratize world‑class education, keep pace with cutting‑edge research, an ...

Pure Mathematics Expert for AI Reasoning Trainer (Remote)

Are you a theoretical mathematics expert eager to shape the future of AI? Large-scale language models are rapidly advancing, and their ability to handle rigorous proof-based reasoning depends on high-quality mathematical training data. With your advanced expertise, tomorrow’s AI can better understand abstract ...

Remote AI Tech Lead for Fintech & Legaltech Solutions

A technology firm is seeking a visionary Technical Lead with deep expertise in Artificial Intelligence to spearhead AI initiatives within the Financial and Legaltech sectors. You will lead a team of AI engineers, design robust architectures, and ensure compliance with regulatory standards. The ideal candidate ha ...

Senior Data Operations Lead — Remote, AI Driven Excellence

A leading SaaS company is seeking a Senior Team Lead for its Data Operations teams in Spain. This role involves managing a remote team of over 50 freelancers, driving operational excellence, and implementing process improvements. The ideal candidate will have over 5 years of leadership experience and expertise i ...

Remote Senior Search Engineer — NLP, ML & Scalable AI

A leading life sciences technology company is seeking an experienced professional to build scalable search applications. This role involves working with machine learning and AI services, tackling NLP tasks, and mentoring junior team members. Candidates should have over 7 years of experience, expert-level Python ...

Senior AI Driven Data & Insights Leader | Remote/Hybrid

Scopely is seeking a Senior Director, Data & Insights in Spain to lead the data strategy for Monopoly GO! and oversee teams in analytics engineering, data science, and product analytics. The ideal candidate will have over 10 years of data experience, 5 years in management, and a proven record in mobile gaming. R ...

Remote AI Project Lead — End to End Delivery

Lumibit in Spain is seeking a Senior AI Project Manager to oversee complex AI and data-driven projects in the automotive and mobility industry. The ideal candidate has over 5 years of experience, strong project management skills, and excellent German and English communication abilities. You will bridge managemen ...

Go Backend Engineer for AI Travel Platform (Remote)

A growing travel tech company is seeking a Software Engineer to join our innovative team in Spain. You will build backend systems for AI-driven products, collaborate with customers, and participate in product decisions. We value ownership, communication, and curiosity about user impact. The role offers significa ...

Remote AI Chatbot Tester Shape Smarter, Safer Bots

Empresa reconocida is looking for an AI Chatbot Tester to help improve AI by evaluating chatbot responses. This remote role requires good communication skills and a genuine interest in AI, allowing you to work independently on your own schedule. Responsibilities include engaging in conversations with c ...

Remote AI Artist Craft Stylized 2D Game Art

Playrix is seeking an AI Artist to create stylized 2D assets using AI models for their flagship games. This role emphasizes artistic skills and flexibility in work. The ideal candidate should be experienced in 2D art, proficient in Photoshop, and familiar with AI generation tools like FLUX and Stable D ...

AI First .NET GenAI Engineer on Azure (Remote)

UST España & Latam is seeking a passionate consultant to lead AI initiatives that will transform software delivery. The ideal candidate will have at least 8 years of .NET development experience and advanced proficiency in C#. You will champion AI programs, challenge traditional practices, and inspire teams to ...

Remote Prompt Writer: Craft Prompts to Elevate AI

Importante empresa is seeking a creative Prompt Writer to shape AI systems. In this fully remote role, you will craft original prompts that help push AI models to their limits, ensuring safety and accuracy. The ideal candidate possesses strong writing skills, a curious mind, and the ability to explore ...

Remote AI Backend Engineer for Multi Agent Systems

Product Hackers en España busca un/a Software Engineer apasionado por la Inteligencia Artificial. El puesto implica el desarrollo de backend y la implementación de IA en productos reales, utilizando herramientas como Python y TypeScript/Node.js. El trabajo ofrece la oportunidad de construir sistemas de ...

Remote AI Engineer — NLP, LLMs & Multi Agent Systems

Selecta Digital busca un/a AI Engineer para unirse a una importante consultora tecnológica. Se requiere un mínimo de 3-5 años de experiencia en IA, NLP y sistemas multiagente. El rol ofrece la modalidad 100% remoto y un ambiente de trabajo dinámico con oportunidades de mentorización. La persona selecci ...

Senior AI/ML Product Consultant Global Rollout (Remote)

Experis España busca un/a Senior Business Consultant especializado/a en AI/ML para liderar el despliegue global de soluciones avanzadas. Se requiere más de 5 años de experiencia en posiciones relevantes, así como un conocimiento sólido de Machine Learning y un nivel de inglés C1 o superior. Los candida ...

Remote Data Labeling Specialist for AI Training (Contract)

Empresa reconocida is seeking a Data Labeling Specialist to categorize and label data for advanced AI systems. This role is fully remote, allowing you to work flexibly. Responsibilities include accurately annotating datasets and following project instructions meticulously. No prior AI experience is req ...

Remote Contract: Application Security Analyst for AI Risk

A leading technology firm is seeking an Application Security Analyst to assess and remediate software security risks. You will evaluate vulnerabilities across applications and help create security datasets for AI training. The ideal candidate has over 2 years of security experience and a strong understanding of ...

Remote IAM Analyst: Identity & Access Security for AI

A progressive tech company is seeking an Identity & Access Management Analyst to address modern security challenges. You will analyze IAM and access control scenarios while identifying weaknesses. The role requires 2+ years of relevant experience with IAM and a strong understanding of identity failures. The posi ...

Remote AI Language Trainer (Spain) — Spanish Linguistics Expert

A leading AI training firm is seeking a Spanish Language Specialist to contribute expertise in shaping AI. Responsibilities include interacting with language models, verifying linguistic accuracy, and documenting errors. Candidates should hold a Master’s or PhD in Spanish linguistics and possess strong communica ...

Principal Cloud Engineer — Remote AI Driven Cloud Architect

A technology solutions company is seeking a Principal Cloud Engineer to lead the design and evolution of cloud-native platforms. This role requires strong Azure expertise and over 8 years of platform engineering experience. You will work on innovative AI projects and collaborate with multidisciplinary teams. Ben ...

RLHF Architect: Align AI with Human Feedback (Remote)

A global AI consulting firm is seeking an RLHF Specialist to enhance AI models using Reinforcement Learning from Human Feedback methodologies. This remote role involves generating preference data, designing model tests, and collaborating with teams to improve ML outcomes. Candidates must have a minimum of 2 year ...

Remote Maltese Voice Actor for AI Training (Senior)

A leading AI training organization is seeking a Maltese Voice Actor for a freelance project. This remote role involves recording scripted material and providing evaluations of AI-generated speech outputs. Ideal candidates should have professional voice acting experience in Maltese and a solid recording setup. Th ...

Senior Product Manager, AI Driven EdTech Platform (Remote)

A leading educational technology firm in Spain is seeking an experienced Product Manager to own product strategy and team mentorship. You will define a multi-year roadmap while driving market insights in AI and EdTech. Ideal candidates have over 5 years of experience in software development and a proven record o ...

AI Safety Red Team Tester — Remote, Flexible Hours

Alignerr is seeking AI Red Team Testers to challenge and test AI systems, revealing their blind spots and safety flaws. As a tester, you will design prompts aimed at provoking errors, document your findings, and work alongside safety engineers globally. This is a fully remote freelance position with fl ...

Remote Map & Location Data Analyst for AI Training

Alignerr is seeking a Map & Location Data Analyst to verify and improve AI-generated geographic data. This role is fully remote and requires familiarity with local streets, landmarks, and neighborhoods. The analyst will ensure accuracy by evaluating AI-generated addresses, flagging misleading informati ...

Platform & DevOps Engineer Cloud Native AI Infra (Remote)

BCNC Group busca un Platform / DevOps Engineer para unirse a un proyecto estratégico en España. El candidato ideal tendrá experiencia en entornos cloud-native y será responsable de desplegar y mantener aplicaciones en Kubernetes, gestionar Helm charts y colaborar en la mejora continua de la plataforma. <p ...

Remote Spanish Speaking Business Analyst & Team Lead (AI)

Reconocida empresa is seeking a Spanish-speaking Business Analyst for a remote role, where you'll lead a team focused on creating high-quality content for AI training. The position requires a strong background in business analysis and team management. You'll mentor team members and ensure efficient out ...

Remote Forestry & Land Management Scientist for AI Training

Alignerr is seeking an experienced forestry and land management scientist to review and evaluate AI training datasets related to sustainable forestry and land-use planning. This position allows for remote work and offers flexibility in scheduling tasks. The ideal candidate will have 3+ years of hands-o ...

Global Cultural Content Reviewer for AI Training (Remote)

Empresa reconocida is seeking a Cultural Content Reviewer to improve AI-generated content's cultural relevance and accuracy. This remote position invites individuals who possess deep cultural understanding and can evaluate content with a nuanced perspective. Your insights will guide AI teams to ensure ...

AI First GenAI Engineer (.NET/Azure) Remote (España)

We are still looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more ...

Remote Visual Storytelling Prompt Writer for AI Training

Importante empresa del sector is seeking a Visual Storytelling Prompt Writer to translate video clips into structured prompts that capture key elements like camera angles and mood. This is a fully remote, versatile contract role suitable for individuals passionate about film and storytelling. No profes ...

Technical Team Lead | Remote PHP Backend & AI Projects

Tecalis busca un/a Technical Team Lead para gestionar un equipo de desarrollo. El rol está centrado en la supervisión de proyectos y la interacción con clientes para asegurar la calidad en la entrega de productos digitales innovadores. El candidato ideal debe tener experiencia en desarrollo backend con ...

Remote Spanish Language QA Specialist for AI Training

Localizationacademy is seeking a Spanish Language Expert to assist in evaluating AI systems trained on Spanish-language content. This role allows you to make a significant impact on how AI understands and communicates in Spanish. As a Spanish Language Expert, you will review AI-generated translations, ...

Remote Spanish Localization QA Translator for AI Training

Localizationacademy is seeking an English Spanish Translator for a remote position in Spain. The role involves reviewing AI-generated content, providing feedback, and ensuring localization quality across projects. Qualified candidates will have a Bachelor’s degree in related fields, native or near-nati ...

Remote Senior Conversational AI Engineer Dialogflow ES/CX

Krimda está buscando un/a Especialista en Soluciones Conversacionales para unirse a su equipo en España. El candidato ideal tendrá experiencia en el desarrollo de chatbots y voicebots utilizando Google Dialogflow y Agent Builder, así como la capacidad de liderar proyectos de principios a fin y trabajar de for ...

Senior Business Analyst – AI‑Driven Solutions & Remote Enablement

Open Assessment Technologies is looking for a Business Analyst in Spain to provide functional requirements to development teams and support sales with product expertise. The role involves translating problems into user stories, engaging clients to refine feature requests, and collaborating with teams on techn ...

Remote Head of Engineering, Europe — AI First Leader

A leading digital technology company is seeking a Head of Engineering to lead and scale a high-performing engineering organization across Europe. This role includes overseeing backend and frontend development, mentoring teams, and driving innovation through an AI-first engineering culture. Ideal candidates will ...

Software Engineer End to End, AI Driven (Remote)

Una empresa tecnológica en España busca un Ingeniero de Desarrollo de Software para desarrollar soluciones end to end. Se requieren mínimo 3 años de experiencia en desarrollo web y conocimientos en tecnologías como Java, Angular y AWS. Es esencial la experiencia en el uso de IA en el desarrollo de software. La e ...

Full Stack Product Engineer (Cataluña)

We are looking for a Full Stack Product Engineer to help build and evolve the user-facing product functionality used to configure, manage, and monitor integrations and connected business workflows. This is a TypeScript-first full stack role working across both frontend and backend development. The primary ...

Staff Java Engineer (Apache Ecosystem)

Join to apply for the Staff Java Engineer (Apache Ecosystem) role at BairesDev At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting‑edge solutions to giants like Google and the most innovative startups in Silicon Valley. Our di ...

Test Automation Engineer

We are looking for an experienced AI Test Automation Engineer to join the Live Operations team within King’s Shared Tech organisation. You will help improve the quality and release confidence of our mobile games and shared technology by building scalable test automation, leveraging C++ and modern Generative AI t ...

Java Senior Software Engineer Accommodation (Hybrid)

We are looking for an experienced Java Senior Software Engineer to join our Accommodation team in Barcelona or Madrid (Hybrid). The role involves developing and leveraging e-commerce technology to create a one-stop shop for customers, where they can find the best hotel for their needs and enjoy an ...

Desarrollador

mDurance es una empresa que ayuda a fisioterapeutas, entrenadores y médicos a mejorar la evaluación, rehabilitación y prevención de lesiones musculares. Lo hacemos con un sistema de sensores de electromiografía y un stack tecnológico muy completo, en el que combinamos app móvil, plataforma web y ma ...

Finance Automation Specialist (Carballedo)

Finance Automation Specialist A dynamic international technology company is transforming their Finance function and Financial Systems landscape. The company is scaling quickly and is looking to improve their Finance operations and deliver Automation and AI to support their continued growth. <p ...

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