Search current freelance frontend developer jobs, vacancies, and employment in España on Jobeax. 2,079 freelance frontend developer jobs in España.
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Toloka Annotators
Up to US$29,750 a year
... project has its own compensation level based on scope and expertise required. On this project, AI trainers earn up to $17 per hour equivalent. Benefits Why this freelance opportunity might be a great fit for you? - Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments. ...
Spain
Toloka Annotators
Up to US$29,750 a year
... project has its own compensation level based on scope and expertise required. On this project, AI trainers earn up to $17 per hour equivalent. Benefits Why this freelance opportunity might be a great fit for you? - Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments. ...
Spain
Toloka Annotators
Up to US$22,750 a year
... Genuine interest in technology and artificial intelligence; - Strong written and spoken English (C1+). What you'll get - Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments; - Participate into advanced AI projects and gain valuable experience that enhances ...
Spain
Toloka Annotators
Up to US$22,750 a year
... Genuine interest in technology and artificial intelligence; - Strong written and spoken English (C1+). What you'll get - Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments; - Participate into advanced AI projects and gain valuable experience that enhances ...
Spain
Inserta Empleo
21568.82 €/año
Lugar de trabajo: Jerez De La Frontera (Cádiz) Tipo contrato: Indefinido Salario bruto: Informará la empresa Duración jornada: Entre 31 y 40 horas Turno/Jornada: Mañana Fecha publicación: 10/09/2026 Inscripción hasta: 16/09/2026 Trabajador/a social Jerez de la Frontera Funciones y tareas
Spain, Jerez
€1,700 a month
You'll most likely need Spanish to apply. This job was automatically translated to English, see original posting . About the role From IMAN Temporing , a company specializing in HR, we want to support you in your career.
Spain
Up to US$35,000 a year
... This part-time remote opportunity is ideal for technical professionals with hands-on experience in web scraping, data extraction and processing. This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer , you'll handle data scraping tasks requiring technical precision for web extraction and ...
Spain
Up to US$35,000 a year
... remote opportunity is ideal for technical professionals with hands-on experience in web scraping, data extraction and processing. About the Role This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer , you'll handle data scraping tasks requiring technical precision for web extraction and ...
Spain
Up to US$35,000 a year
... high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts. About the Role This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer , you'll handle data scraping tasks requiring technical precision for web extraction and ...
Spain
Up to US$78,750 a year
... and IOI/ICPC/olympiad history. Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid Additional information Please submit your CV in English and indicate your level of English proficiency. - Up to US$78,750 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain
Up to US$78,750 a year
About the role 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 permanent employment.
Spain
Up to US$78,750 a year
About the role 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 permanent employment.
Spain
Up to US$157,500 a year
... IOI/ICPC/olympiad history. How it works Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid Additional information Please submit your CV in English and indicate your level of English proficiency. - Up to US$157,500 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain
7200
... and strong collaboration skills. You will work in a mixed team composed of Developers and Data engineers, contributing to a modern architecture based on microfrontends (React), microservices (Python), and cloud-native solutions (AWS Lambda). What you will do - Develop and maintain fullstack features using React (frontend) ...
Spain, España
€28,000 - €35,000 a year
... case that needs legal advice. - Professional fluency in Spanish. Working English is useful for international stores, tools and partners. - Available for a freelance collaboration of around 20 hours per week and able to invoice from Spain. What you'll get - Freelance, part-time collaboration with an expected dedication ...
Spain
Invisible Agency
US$113,750 a year
... Seniority level: Mid-Senior Hiring process Ready to channel your Catalan expertise into building the AI tools of tomorrow? Apply today and help shape the model that will support millions of Catalan speakers worldwide. - US$113,750 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain
Invisible Agency
US$113,750 a year
... level: Mid-Senior Additional information Ready to channel your Occitan expertise into building the AI tools of tomorrow? Apply today and help shape the model that will support millions of Occitan speakers worldwide. - US$113,750 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain
Invisible Agency
US$113,750 a year
... tomorrow's AI? Apply today and start teaching the model that will teach the world. Job title: Galician Language Specialist - AI Trainer Employment type: Contract Workplace type: Remote Seniority level: Mid-Senior Level - US$113,750 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain
Invisible Agency
US$113,750 a year
... Seniority level: Mid-Senior Job title Ready to channel your Asturian expertise into building the AI tools of tomorrow? Apply today and help shape the model that will support millions of Asturian speakers worldwide. - US$113,750 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain
Invisible Agency
US$113,750 a year
... company-sponsored benefits such as health insurance and PTO do not apply. How you'll work Job title: Ukrainian Language Specialist - AI Trainer Employment type: Contract Workplace type: Remote Seniority level: Mid-Senior Level - US$113,750 a year Gross, as stated in the ad. - Freelance contract Per the ad. - Fully remote Per the ad.
Spain