114,982+ Ai Driven Fullstack Engineer Java React Jobs in Spain — Top Companies Hiring June 2026

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Paid Media Engineer (40k 60k)

We are a performance marketing agency that operates exclusively with AI agents. ¡Inscríbase sin demora! Se espera un gran volumen de solicitantes para el puesto que se detalla a continuación, no espere para enviar su CV. Our ambition is to become the largest marketing agency in the world. It ...

Senior Data Engineer: Build Scalable Data Pipelines & Analytics

A leading data-driven company in Madrid seeks a Senior Data Engineer to enhance its data products and pipelines.Aunque la experiencia profesional y las cualificaciones son clave para este puesto, asegúrese de comprobar si posee las habilidades interpersonales preferibles antes de solicitar, si se requieren ...

Robotics Sdet — Spatial Intelligence & Slam Testing

A leading robotics company located in Barcelona is seeking a Software Development Engineer in TestAumente sus posibilidades de llegar a la fase de entrevista leyendo la descripción completa del puesto y enviando su solicitud sin demora.- Spatial Intelligence to enhance the reliability of perception a ...

Senior Ml Engineer — Hybrid (Barcelona) + Equity

BizAway S.R.L. (ES) is seeking a Senior Machine Learning Engineer to enhance our Data & Analytics Team. In this role, you will design, develop, and deploy data-driven ML products and lead the full lifecycle of ML models from creation to deployment.¿Listo para inscribirse? Antes de hacerlo, asegúrese de lee ...

Lead Product Software Engineer

About The Role As a Lead Product Software Engineer, you will lead a team of developers to deliver high‑quality software solutions while ensuring adherence to architectural guidelines, industry best practices, and secure coding standards. You will collaborate closely with cross‑functional teams, c ...

Director of Revenue and Commercial Strategy

At Homeclub we are rethinking flexible rentals. Our mission is to make finding and living in a home effortless for people who need a place for a month or longer, while giving property owners a partner they can trust. We manage hundreds of properties and are scaling fast, building the team that will take us ...

SWE Infrastructure Specialist (JS/TS/Python) – Freelance AI Trainer Project

SWE Infrastructure Specialist (JS/TS/Python) – Freelance AI Trainer Project 1 week ago Be among the first 25 applicants Are you a software engineer with deep infrastructure expertise and a systems-level mindset eager to shape the future of AI? Large-scale language models are increasingly ...

Claims Processing Agent Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not pe ...

Remote Actuary & Underwriting AI Specialist (Freelance)

Crossing Hurdles is seeking Insurance Experts (Underwriting & Actuary) to translate insurance workflows into tasks for AI systems. The role is freelance and remote, requiring 10+ hours weekly. Ideal candidates have 5+ years in insurance and recent experience as Underwriters or Actuaries. Responsibilities involve ...

Remote Enterprise Account Executive AI Automation

A leading automation technology company is seeking an experienced Enterprise Account Executive to drive growth and enable enterprise accounts in Spain. The role involves navigating complex sales cycles, articulating the value proposition, and collaborating with account teams. Candidates should have over 5 years ...

Wolof Language Specialist & AI Trainer (Remote)

An expert marketplace is seeking a Wolof Language Specialist – AI Trainer for a remote role. Responsibilities include reviewing and annotating Wolof content, assessing AI outputs, and collaborating with a team to refine linguistic guidelines. Candidates must be fluent in Wolof and have experience in translation, ...

Remote Tajik AI Language Specialist & Trainer

A leading AI training company is seeking a Tajik Language Specialist - AI Trainer. This remote role requires proficiency in Tajik, with responsibilities including reviewing AI outputs and providing feedback on language accuracy. Experience in translation and linguistics is essential. Competitive pay ranging from ...

Data, AI & Automation Specialist — Predictive Models

A leading data solutions company in Spain is seeking a Data, AI & Automation Specialist to work on innovative data projects. You will develop data analysis solutions, build predictive models, and create dashboards to help clients enhance their business processes. The ideal candidate holds a relevant degree and h ...

Remote Indonesian AI Trainer & Language Specialist

A leading AI training provider is looking for an Indonesian Language Specialist to enhance AI models through expert linguistic input. This remote position values high-quality training experiences and offers competitive pay ranging from $8 to $65 per hour, based on the candidate's qualifications. Ideal candidates ...

Remote Swahili AI Language Specialist & Trainer

An AI-focused company is seeking a Swahili Language Specialist to enhance large-scale language models. This remote contract role requires expertise in Swahili grammar and linguistics, with responsibilities including conversational interactions with AI models and documenting results. Ideal candidates should hold ...

Remote STEM AI Trainer (Vietnamese) – Contract

A leading AI services company is looking for a skilled STEM Specialist fluent in Vietnamese to train and fine-tune AI models. Responsibilities include reviewing AI-generated content for accuracy and collaborating with teams to improve performance. Ideal candidates will have strong STEM expertise and communicatio ...

Clinical Outcomes Director — AI in Healthcare

A healthcare technology company in Spain is seeking a Medical Director for Clinical Strategy & Outcomes. This pivotal role involves ensuring Tucuvi's clinical outcomes remain trusted and consistent across healthcare deployments. Candidates should have a clinical background, strong leadership experience, and be p ...

Remote Conversational AI Quality Reviewer (Clinical)

A healthcare AI company in Spain is seeking a Clinical AI Quality Specialist to ensure AI accuracy in patient interactions. This role requires native Portuguese and proficiency in English and Spanish, focusing on reviewing AI–patient conversations to guarantee compliance with medical protocols. The position offe ...

Remote Sales Development Representative AI SaaS

About HuzzleAt Huzzle, we connect exceptional talent with top opportunities at leading companies across the UK, US, Canada, Europe, and Australia. Our clients include fast-growing startups and established businesses in SaaS, MarTech, FinTech, and EdTech.Unlike traditional outsourcing, you’ll b ...

AI Animator for Anime Production Studio

Role Overview We are hiring an AI Animator to lead the development and execution of hybrid animation workflows for our Australia-based, artist-led creative company expanding into anime production.This role will focus on building controlled AI-assisted pipelines that enhance animation quality, impro ...

Marketing Automation Manager (Lifecycle & AI Enablement)

Libertex Group Overview Established in 1997, the Libertex Group is an international powerhouse with over 28 years of financial markets expertise.Over the years, the Libertex Group has helped shape the online trading industry by merging together innovative technology, ...

Korean–Chinese Bilingual Specialist – AI Trainer

Are you a bilingual professional fluent in Korean and Chinese eager to shape the future of AI? Large‑scale language models are transforming the way we learn, work, and communicate—enabling cross‑cultural understanding and more natural multilingual interactions. With high‑quality training data, tomorrow’s A ...

Engineering Manager: AI Platform & Intelligence Hub

A document workflow automation platform is seeking an Engineering Manager for their AI team to lead architecture and technical decisions. The ideal candidate has over 8 years of experience, strong communication skills, and a background in AI technologies. You will work in a collaborative environment, driving qua ...

Mandarin Chinese Voice Actor AI Trainer

Mandarin Chinese Voice Acting Specialist – AI Trainer We’re looking for a highly skilled Mandarin Chinese voice acting professional who can bring nuance, clarity, and authenticity to training data. You’ll work with cutting‑edge AI tools, record and evaluate Mandarin Chinese speech samples, and pr ...

Spain Account Executive — Legal AI SaaS

A leading legal technology company in Spain seeks an ambitious Sales Representative to manage the sales funnel and close deals. You will understand customer needs and market dynamics while collaborating with a skilled team. The ideal candidate has 1-3 years of experience in B2B SaaS, is fluent in both Spanish an ...

Senior Python Developer (AI) (IR 481)

Software Engineer (Python) - AI Platform Madrid, Community of Madrid, Spain Intellectsoft is a software development company delivering innovative solutions since 2007. We operate across North America, Latin America, the Nordic region, the UK, and Europe. We specialize in industries like F ...

Remote Ukrainian AI Language Specialist & Trainer

Are you a Ukrainian language expert eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful engines of linguistic discovery. With high-quality training data, tomorrow’s AI can democratize world-class education, keep pace with cutting-edge research, and stre ...

Kaqchikel AI Trainer & Language Specialist (Remote)

A leading AI training company is looking for a Kaqchikel (Mayan) Language Expert to engage with language models. In this remote role, you will work on topics relevant to Kaqchikel language, verifying accuracy and cultural context while documenting findings. Must have a Master's degree and experience in relevant ...

Korean–Japanese Bilingual Specialist – AI Trainer

Korean–Japanese Bilingual Specialist – AI Trainer Are you a bilingual professional fluent in Korean and Japanese eager to shape the future of AI? Large-scale language models are transforming the way we learn, work, and communicate—enabling cross-cultural understanding and more natural multilingua ...

Freelance Vibe Coding Specialist AI Trainer

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English. Mindrift is looking for highly skilled Vibecode specialists to join the Tendem projec ...

Radiology AI Diagnostics Lead (Musculoskeletal & Neuro)

A healthcare organization in Spain is seeking a Diagnostic Radiologist to develop diagnostic challenges and evaluate AI-generated responses. Candidates must be board certified or eligible in Diagnostic Radiology, have completed an ACGME accredited residency and a radiology fellowship. The role emphasizes strong ...

German Speaking Medicine AI Trainer (Remote)

A leading AI training company is seeking a Medicine Specialist fluent in German to help train language models. Responsibilities include engaging with clinical scenarios, verifying accuracy, and suggesting improvements. Candidates must possess a medical degree or advanced health sciences qualification, along with ...

Voice Actor Freelance AI Trainer Project

Overview Are you an experienced voice actor eager to shape the future of AI? Large-scale language models and speech technologies are evolving rapidly, moving beyond simple interactions into expressive, human-like communication. With high-quality training data, tomorrow’s AI can deliver more natur ...

AI Pilot: VibeCode Data Scraping Specialist

A technology company in Spain is looking for an AI Pilot specializing in web scraping. In this part-time remote role, you will handle data extraction workflows for the Tendem project, focusing on accuracy and reliability. Candidates should have experience in Python and web scraping tools like BeautifulSoup or Se ...

Senior AI & Cloud Security Architect Remote

Una empresa de tecnología avanzada busca un/a AI & Cloud Security Architect con más de 6 años de experiencia en ciberseguridad. La persona ideal tendrá habilidades para diseñar y asegurar arquitecturas complejas en entornos Cloud e Inteligencia Artificial. Este puesto permite el trabajo 100% remoto y ofrece opor ...

AI Web Data Annotator & Research Analyst

A data consulting firm is looking for a Web Data Analyst Annotator in Spain to collect, analyze, and annotate web datasets used in AI training. The candidate will work on web research and data analysis, ensuring data accuracy and contributing to AI model improvements. Ideal applicants will have a Bachelor's degr ...

Remote AI Trainer for Financial Institutions

A leading AI training firm is seeking a Financial Institutions Specialist for a remote freelance role. You will use your expertise in banking systems and financial regulations to engage AI models in real-world scenarios, ensuring factual correctness and offering analytical insights. Ideal candidates are entry-le ...

Remote AI Content Reviewer: Accuracy & Compliance

An innovative tech firm is seeking a meticulous AI Content Reviewer to enhance AI-generated materials. You will evaluate text, images, and code to ensure they are accurate and align with ethical standards. This role requires a minimum of 2 years' experience in content review or quality assurance and involves aud ...

Web Content Annotator for AI Training

A digital content consultancy in Spain is seeking a Web Content Analyst Annotator to evaluate and annotate digital content for AI systems. The ideal candidate has a Bachelor’s degree in Mass Communication or a related field and 2-5 years of experience in content analysis. Responsibilities include reviewing web c ...

Enterprise AI Sales Leader Remote Madrid

Glean is seeking an Enterprise Account Executive to drive new business and growth within our largest enterprise prospects by developing tailored strategies to break into and expand major accounts. This role demands sophisticated account research, executive-level messaging, and champion-building to deliver on ...

Remote Catalan–English AI Translator & Evaluator

A leading AI training company is seeking a Catalan/English Bilingual Translator to join their team. In this remote role, you will evaluate AI chatbot performance and create novel conversations to improve their quality. The ideal candidate is fluent in both languages and possesses strong writing skills. The posit ...

Remote Part Time AI Legal Associate

A leading AI lab is seeking experienced lawyers to work remotely on a flexible, part-time basis. Candidates should have over 5 years of experience from top law firms to help train AI on legal tasks, such as contract drafting and regulatory analysis. The position offers $150 per hour with a commitment of up to 20 ...

Freelance Insurance AI Subrogation Specialist (Remote)

Crossing Hurdles is looking for Insurance Experts (Underwriting & Actuary) to translate insurance workflows for AI systems. This remote freelance role requires at least 5 years of experience in the insurance sector with a strong understanding of underwriting and risk assessment. Ideal candidates are detail-orien ...

AI & Engineering Tools Internship — Transversal Innovator

Airbus in Spain is offering a full-time graduate internship program for recent graduates interested in the aeronautical sector. The program starts in October 2026 and includes participation in AI deployment and engineering tool development projects. Candidates should have a relevant engineering degree, strong pr ...

AI Trainer Advanced Spanish Fluency (Spain)

AI Trainer - Advanced Spanish Fluency Researchers pay $30/hr per AI task completed. You must be prepared to complete paid tasks that require one hour of uninterrupted work. What you’ll bring Advanced language skills and verifiable experience as being fluent in Spanish. <l ...

Remote AI Personalization QA Analyst Spanish

Highbrow Technology Inc is seeking an LLM - AI Quality Analyst (Personalization) to evaluate the effectiveness of AI models utilizing personal context in Spain. The role involves designing AI prompts, assessing responses, and providing structured feedback. Candidates should have proficiency in Spanish, ...

Remote AI Spanish Content Moderator & Evaluator

Innodata Inc. busca un moderador de contenido AI freelance especializado en español (España) para proyectos de entrenamiento y evaluación de IA. Las responsabilidades incluyen revisar textos, evaluar respuestas de IA y crear contenido culturalmente relevante. Se requieren competencias nativas en españo ...

Remote AI Trainer: Securities & Commodities Expert

A financial technology firm is seeking a Securities & Commodities Specialist – AI Trainer to utilize their expertise in financial services. This role involves conversing with advanced AI models on trading scenarios and evaluating their reasoning. Ideal candidates will have relevant degrees and certifications, al ...

Account Executive AI VDR & Valuation (Europe)

Valutico is looking for an experienced Account Executive to oversee the sales cycle for the innovative DoneDiligence platform, targeting M&A advisors and corporate finance teams. This role involves engaging stakeholders and selling advanced due diligence solutions. The ideal candidate has over 5 years ...

Remote Copywriter & AI Content QA Specialist

YO IT Consulting is seeking a part-time Copywriting & Content Subject Matter Expert (SME) for a remote contractor role. You will review AI-generated content and create expert copy to enhance the writing quality and brand fit. This position is crucial for refining AI models, and the role requires strong expert ...

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