403 Remoto full stack web developer remote jobs in España, España.

10x Team seeks a Freelance Corporate Finance Advisor – AI Trainer to support AI-powered finance outputs on a remote, EU/UK basis. The role emphasizes financial modeling, valuations, and advisory workflows with 8–20 hours per week. You will review and refine AI-generated corporate finance recommendations, develop real-world ...

10x Team is seeking a Freelance Infrastructure Optimization Specialist - AI Trainer based in the EU or UK. This flexible, remote role offers 8–20 hours per week to help review, validate, and improve AI-driven infrastructure recommendations and deployment scenarios. You will leverage deep experience in systems architecture ...

Qdrant, a remote-first open-source vector search company, seeks a freelance Marketing Designer to refine visual identity across marketing channels. You will collaborate with the Visual Designer and Design Lead to push creative AI-driven concepts and brand cohesion. You will work on marketing assets, landing pages, ads, ...

... across the EU/UK. You will review AI outputs, develop real-world treasury scenarios, and provide structured feedback to improve AI guidance on treasury practices. Prior treasury operations experience is essential; the role is fully remote. [{"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

10x Team is seeking a seasoned System Operations Engineer – AI Trainer for freelance engagement. Work 8–20 hours weekly, remotely, with EU/UK-based availability. Contribute to reviewing AI-generated operational content, refining workflows, and building practical, real-world scenarios for AI models. Flexible, project-based, ...

IRIUM busca un desarrollador Fullstack con experiencia en React/Angular y microservicios Springboot/Python/.NET para un proyecto en el sector bancario, 100% teletrabajo desde España. Se exige más de 6 años en puestos similares, experiencia en front-end/back-end (Angular/React, Java, Spring Webflux, microservicios, Python, ...

OpenTrain está buscando un Creativo escritor (contrato, a tiempo parcial) para producir y refinar diálogos en español para entrenamiento de modelos de IA. Este puesto es remoto, pero debes vivir en España y ser nativo de español de España con al menos 5 años de residencia.

Greenhouse Software, Inc. is seeking an Engineering Manager (Data) to lead one of our data engineering teams remotely from Spain. You will oversee delivery of data pipelines, ML/MLOps initiatives, and cloud migration projects for our EMEA customers, while blending hands-on delivery with people leadership. The Core Data ...

... composition, lighting, color, readability, and visual hierarchy • Ability to work across different cartoon and stylized 2D aesthetics • Comfortable working remotely with a production team Its a requirement to have a portfolio of work of slot games you've worked on. Position: 100% Remote Studio: PAW Gaming If you’re interested, ...

... that resonates with millions of players. You should enjoy bold silhouettes, modular workflows, and efficient UVs. Proficiency in Maya or Blender, Photoshop textures, and Unity integration will help you thrive in a fully remote, no-crunch [{"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

... accuracy, fluency, and cultural relevance across diverse outputs. You will identify recurring model errors, help refine prompts and guidelines, and collaborate with remote teams to maintain high-quality language evaluation. Remote freelance work offers flexible scheduling and direct contribution to AI development. [{"name": "freelance", ...

... communications. Ideal candidates are native Spanish speakers with fluent English, privacy-conscious, and available during partner hours. Turkish is advantageous. The role is fully remote with per-meeting or monthly compensation options. [{"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

Gerodigital is looking for a Sales Development Representative (SDR) to drive lead generation through strategic outbound prospecting. The position is fully remote and targets European markets, focusing on Spain and Italy. As an SDR, you will engage with key decision-makers, qualify leads, and book meetings for the senior ...

Syneos Health, Inc. is seeking a Perm Part Time Research Nurse for the Barcelona area, with a nursing background and GCP certification. The role emphasizes remote coordination, data handling, and patient-focused trial activities across sites, ensuring protocol adherence and quality data collection. The candidate will work ...

Lever, Inc. is seeking a Talent & People Specialist - Junior in a fully remote, European environment based in Spain. This early-career role blends HR administration, recruitment, onboarding, and employee experience under guidance from an experienced People team. You will interact with candidates and employees, support HRIS ...

Talan Spain is seeking a Fullstack Developer for a 4-month contract to deliver a React-based mobile project with a strong focus on performance, offline capability, and efficient data synchronization. You will design, implement, and deploy a mobile-first PWA using React and TypeScript, build APIs with Python/FastAPI or https://jobeax.com/link/JSd7UYCSg572jJDY, ...

DuckDuckGo, a remote-first online protection company, is hiring a Senior Frontend Engineer to own features across products using React and TypeScript. You will lead and contribute to major components, emphasizing privacy, performance, and cross-browser compatibility. You will collaborate with product, design, and backend ...

Precision Medicine Group is seeking a Senior Medical Writer/Principal Medical Writer for a remote role based in Spain. The candidate will lead development of clinical study documents, coordinate with sponsors and vendors, and ensure compliance with ICH, FDA, GCP and eCTD requirements. Experience includes planning, writing ...

... is seeking a Senior Medical Writer with extensive clinical document writing experience (Protocols, CSRs and IBs) for a Functional Service Provider role. This remote opportunity supports global projects from Spain time zones. You will lead medical writing deliverables, coordinate reviews, and ensure regulatory compliance ...

Eursap Ltd. seeks an entry-level SAP HCM/SF Help Desk Support Technician in Spain. No SAP experience required; full training provided. German-speaking role based in Barcelona or Mallorca with hybrid remote option (up to 12 days per month). Salary €30,000–€35,700 gross per year plus fringe benefits. Ideal candidates are ...