785 freelance full stack developer jobs in España, España.

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Jobgether

Freelance Video Editor (M/F/D)

Hace 1 día

Remoto
Contrato

Media

€1500 EUR - €4k EUR

... applications and next steps. Our partner is looking for a Freelance Video Editor (M/F/D) based in Spain. We are looking for a creative and detail-oriented Freelance Video Editor to produce engaging, high-quality YouTube content for entrepreneurs and personal brands. In this fully remote role, you will be responsible for ...

España, España

Jobgether

Remote Sponsorship Sales — Advertising Partners (Freelance)

Hace 5 días

Remoto
Contrato

Jobgether is seeking a results-driven Sponsorship Sales professional based in Spain to manage advertising partnerships for a finance-focused podcast. This freelance role is remote, commission-based, and offers uncapped earning potential through full sponsorship lifecycle management. You will identify, pitch, negotiate, ...

España, España

10x Team B.V

Remote Freelance Pricing Manager - AI Trainer

Hace 7 días

Remoto
Contrato

... hands-on pricing, financial modeling, and analytics experience, with strong communication skills and reliability for flexible project-based work. [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}, {"name": ...

España, España

Jobgether

Biology Specialist - Freelance AI Trainer Project

Hace 7 días

Remoto
Contrato

8 $/hora

... "por_hora", "text": "Por hora", "categoryName": "Salary_Payment"}, {"name": "contratista", "text": "Contratista", "categoryName": "Type of employment"}, {"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "contrato", "text": "Contrato", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", ...

España, España

Jobgether

Photoshop Specialist - Freelance AI Trainer Project

Hace 7 días

Remoto
Contrato

8 $/hora

España, España

10x Team

Remote Quantitative Modeler & AI Trainer — Freelance

Hace 7 días

Remoto
Contrato

... with global AI labs. Join a network that connects top independent experts with AI labs to accelerate data-driven reasoning and complex modeling [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}, {"name": ...

España, España

Jobgether

Remote Biology AI Trainer - Freelance Project

Hace 7 días

Remoto
Contrato

... candidates hold a PhD in biology or a closely related field, with strong research or wet-lab experience and proven ability to explain complex concepts clearly. [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

España, España

Jobgether

Remote Umbundu AI Language Specialist — Freelance

Hace 8 días

Remoto
Contrato

... feedback, and help shape prompts and evaluation methods. This flexible contract enables independent work from home with meaningful impact on AI [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "contrato", "text": "Contrato", "categoryName": "Type of employment"}, {"name": "trabajar_desde_casa", ...

España, España

Jobgether

Remote Freelance Video Editor: Biz, Fitness & Spirituality

Hace 1 día

Remoto
Contrato

Media

Jobgether is seeking a freelance Video Editor based in Spain to edit long-form YouTube podcasts and repurpose content for TikTok, Instagram Reels, and YouTube Shorts. You will collaborate with the content creator to establish a consistent editing style and maintain a steady publishing cadence in a fully remote freelance ...

España, España

Jobgether

Remote YouTube Video Editor: Long-Form Storytelling

Hace 1 día

Remoto
Contrato

Media

Jobgether is seeking a freelance Video Editor (M/F/D) based in Spain to transform raw footage into polished long-form YouTube videos. You will shape narratives with creative editing, pacing, and visuals while collaborating in a remote setting. This role offers growth opportunities and a long-term freelance relationship. ...

España, España

Jobgether

Freelance B2B Sales Manager (Remote, Uncapped Commission)

Hace 1 día

Remoto
Contrato

Ventas

Jobgether, on behalf of a partner company, seeks a Sales Manager B2B – Freelance based in Spain to drive growth in the German market. You will own the full sales cycle, promote software and consulting services, build relationships with corporate clients, and collaborate with product and sales teams to shape go-to-market ...

España, España

Jobgether

Remote Language QA & AI Training Specialist (Freelance)

Hace 8 días

Remoto
Contrato

... into resources and documentation to guide improvements, collaborating with stakeholders to align outputs with campaign expectations and quality standards. [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

España, España

Jobgether

Umbundu Language Specialist - Freelance AI Trainer Project

Hace 8 días

Remoto
Contrato

8 $/hora

España, España

Jobgether

Remote English-German Translator & Copy Editor (Freelance)

Hace 8 días

Remoto
Contrato

Jobgether is partnering with a multinational client to source an English-to-German linguist and copy editor. The freelance role covers product, marketing and UI content for Germany and/or Switzerland, with a workload of 5,000+ words per week and fully remote collaboration. You will translate from US English into German ...

España, España

10x Team

Remote System Ops Engineer - AI Trainer (Freelance)

Hace 14 días

Remoto
Contrato

... content, develop practical use cases, and provide clear feedback to teams building AI for complex IT systems. This is a flexible, project-based opportunity. [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

España, España

Jobgether

Remote English to French Life Sciences Translator

Hace 6 días

Remoto
Contrato

Jobgether is seeking an English-to-French (France) Linguist for Life Sciences in Spain. This freelance, fully remote position supports pharma, clinical research and medical device companies by translating regulatory, pharmacovigilance and clinical documents with high linguistic precision. Responsibilities include translation, ...

España, España

10x Team

Remote Cloud Architect & AI Training Reviewer

Hace 10 días

Remoto
Tiempo parcial
Contrato

Cloud

... realistic infra and migration scenarios. Ideal candidates are EU/UK residents with extensive cloud design and migration experience, capable of providing actionable feedback and maintaining high standards while coordinating asynchronously. [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}]

España, España

Hungry Minds

Remote Marketing PM - Spain Creator Partnerships

Hace 10 días

Remoto
Tiempo parcial
Contrato

Gestion de proyectos

Hungry Minds is seeking a Freelance Marketing Project Manager for the Spanish market. This fully remote, part-time role works directly with the Country Manager to grow Spain by managing creator partnerships, Spanish-language content, and coordination with a local ad agency. You will source Spanish creators, brief and track ...

España, España

10x Team

Quantitative Modeler - AI Trainer - Freelance - 8-20 hrs/week - Remote

Hace 7 días

Remoto
Contrato

Ciencia de datos

Updated: 07 July 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Quantitative Modeler – AI Trainer – Freelance – 8–20 hrs/week – Remote (EU/UK) Freelance | 8–20 hrs/week | Remote (EU/UK) Are you an experienced quantitative modeler eager to shape the next generation of AI systems? Join 10x Team as a Freelance Quantitative ...

España, España