49 Remoto contractor jobs in Madrid, España.

Mostrando vacantes

YO AI Labs

Remote AI Content Auditor & Annotator (Contractor)

Hace 6 días

Remoto
Contrato

YO AI Labs is seeking Generalists on a contractor basis to support AI and data-focused projects. This remote role involves reviewing, evaluating, and annotating information across topics while upholding high accuracy and quality. You will analyze data, provide clear written feedback, and collaborate with remote teams to ...

Madrid, España

PicsArt, Inc.

Remote User Acquisition Lead (Contract) — Data-Driven Growth

Hace 8 días

Remoto
Tiempo completo
Contrato

Picsart, Inc. is seeking a User Acquisition Specialist (Contractor) to lead paid acquisition across Meta, TikTok, Snap, Google Ads, and Apple Search Ads. The role focuses on testing, optimization, and scaling to accelerate growth while coordinating with creative and content teams. You will design experiments, analyze performance ...

Madrid, España

team.blue

Backend Engineer

Hace 2 días

Remoto
Tiempo completo
Contrato

Backend

... and production environments - Experience integrating third-party APIs and dealing with their quirks - Independent, async, and comfortable in a fully remote, contractor-style engagement Bonus: ETL/ELT or data integration experience · marketing/ad-tech APIs · PostgreSQL and Redis in production · Docker and GitLab CI/CD The ...

Madrid, España

YO AI Labs

Remote AI Product Evaluator & Content Auditor

Hace 6 días

Remoto
Contrato

... to contribute to a customer project focused on evaluating and improving advanced AI systems. This is an evaluation and analysis role, remote-friendly, with contractor status. You will assess AI-generated content, specifications, and documentation, provide detailed rationales and feedback, and coordinate asynchronously with ...

Madrid, España

YO AI Labs

Remote Operations & Analysis Specialist

Hace 6 días

Remoto
Contrato

Analitica de datos
Operaciones

... Operations Specialist to support a writing-focused AI training project. You'll analyze business scenarios, conduct research, and help optimize processes as a contractor with flexible hours. You will gather and synthesize requirements, communicate findings clearly to stakeholders, and contribute to reports, memos, and business ...

Madrid, España

Tonguepoint

Freelance Remote Interpreter: English/French to Spanish

Hace 12 días

Remoto
Contrato

Tonguepoint is hiring a Freelance Remote Interpreter (English + French / Spanish). This 100% remote role offers flexible scheduling and an independent contractor arrangement. Training is provided, and no prior interpretation experience is required. You will perform real-time consecutive interpretation for OPI and VRI, maintain ...

Madrid, España

YO AI Labs

Remote AI Design Quality Specialist (Graphic/UX)

Hace 12 días

Remoto
Contrato

YO AI Labs is seeking a Creative & Design Specialist for a remote, worldwide contractor role focused on graphic design, multimedia production, UI/UX, motion graphics, and creative workflows. You will review AI-generated outputs, provide high-quality feedback, and annotate content to support AI training. Prior paid experience ...

Madrid, España

YO AI Labs

Remote Presentation Design & AI Evaluation Specialist

Hace 12 días

Remoto
Contrato

YO AI Labs is seeking a Creative & Design Specialist for a remote, contractor role focused on evaluating and improving AI-generated creative outputs across graphic design, UI/UX, video, and motion graphics. You will provide high-quality human feedback to train AI models, with prior paid human-data experience required. You ...

Madrid, España

Global Data Collection Company

Remote Dutch Interviewer (Freelance) - Evenings/Weekends

Hace 3 días

Remoto
Contrato

€9.5 EUR

... projects. The role is fully remote for candidates located in Spain, with flexible evening and weekend hours and a requirement to declare taxes as a self-employed contractor. Selected candidates will receive free training and onboarding, with a fixed hourly rate of €9.50 and periodic bonuses based on probation completion, hours ...

Madrid, España

YO AI Labs

Operations Management Expert - Remote

Hace 6 días

Remoto
Contrato

Analitica de datos
Operaciones

Business Analyst / Researcher / Operations Specialist Role Type: Contractor Location: Remote micro1 is seeking Business Analysts, Researchers, and Operations Specialists to support a writing-focused customer project involving business analysis, research, and operational reasoning for AI training. No prior AI experience ...

Madrid, España

Global Data Collection Company

Dutch Speaking Call Agent

Hace 6 días

Remoto
Contrato

9.5 €/hora

... Description Dutch-Speaking Call Agent – Freelance Company: GDCC – Global Data Collection Company Location: Remote – Spain Employment Type: Freelance / Self-Employed Contractor About the Role GDCC – Global Data Collection Company is looking for Dutch-speaking Freelance Call Agents based in Spain to join our international market research ...

Madrid, España

Cross Border Talents

Senior AI Product Designer

Hace 12 días

Remoto
Tiempo completo
Contrato

Diseno

Location: Europe, Remote Engagement: B2B / Contractor initially, with potential transition to full-time About the role We're building a large-scale, mobile-first consumer product at the frontier of AI: chat experiences, character creation, and live and interactive formats, including AI video. You'll need to be comfortable ...

Madrid, España

YO AI Labs

AI Robotics Trainer - Remote

Hace 5 días

Remoto
Híbrido
Presencial
Contrato

College Student - AI Robotics Trainer Role Type: Contractor Location: On-site, San Francisco We are seeking reliable College Students to support an innovative robotics data collection project. You'll perform hands-on tasks that help train and improve next-generation robotic AI systems. No prior robotics or AI experience ...

Madrid, España

Andrews Recruitment Group

Senior Software Engineer - AI Training Projects

Hace 6 días

Remoto
Contrato

$30 USD - $150 USD / hour

... automated testing, code review or cybersecurity would be highly relevant. Working Pattern - Fully remote - Approx. 15 hours per week - Flexible days and hours - Contractor position - Projects typically move quickly Compensation Compensation varies depending on the project and experience level. Most opportunities sit between $30–$150/hr ...

Madrid, España

YO AI Labs

Investment Banking Expert - Remote

Hace 6 días

Remoto
Contrato

Investment Banking Expert Role Type: Contractor Location: Remote We are seeking experienced Investment Banking Experts to contribute to a customer project focused on financial modeling, valuation, transaction analysis, and industry research. You'll apply your investment banking expertise to evaluate real-world financial ...

Madrid, España

RemoteJobsOne

Spanish-Language Consumer Reviewer - Remote

Hace 7 días

Remoto
Contrato

$50 USD - $150 USD / hour

... based in 6 countries, including Spain, Mexico, Argentina, Colombia, Chile, Peru. Pay: $50–$150/hr Role Title: Spanish-Language Consumer Reviewer Role Type: Contractor Location: Remote Time Commitment: 5-10 hours/week, short-term project the company is looking for Spanish-speaking adults to help evaluate and improve AI systems ...

Madrid, España

YO AI Labs

Technical Writer/ Editor - Remote

Hace 9 días

Remoto
Contrato

Redaccion de contenidos

Technical Writer / Editor Role Type: Contractor Location: United States, Canada, United Kingdom We are seeking experienced Technical Writers / Editors to contribute to a customer project focused on evaluating and improving advanced AI systems. You’ll use your expertise in writing, editing, and critical analysis to evaluate ...

Madrid, España

Mercor

Finance Expert - Spanish Specialist

Hace 2 días

Remoto
Contrato

$65 USD / hour

... university in Spain. - Strong knowledge of Spanish financial practice ( PGC / IFRS , CNMV regulation , Spanish tax filings). Compensation & Legal - Hourly contractor , Paid weekly via Stripe Connect . Application Process (Takes 20–30 mins to complete) - Upload resume - AI interview based on your resume - Submit form Resources ...

Madrid, España

Salve.Inno Consulting

Senior Performance Marketing Manager (Paid Acquisition & Growth)

Hace 3 días

Remoto
Contrato

Marketing

$300k USD / month

... decisions. - Excellent written and spoken English. - Comfortable working in a fast-paced, international remote environment. - Willingness to work under a B2B contractor agreement. Preferred Qualifications - Experience personally managing $1 million or more in monthly advertising spend. - Hands-on experience across multiple ...

Madrid, España

RemoteJobsOne

Bilingual Benefits Counselor - Remote

Hace 7 días

Remoto
Contrato

$50 USD - $150 USD / hour

... a fully remote position , open to candidates based in 6 countries, including Spain, Mexico, Argentina, Colombia, Chile, Peru. Pay: $50-$150/hr Role Type: Contractor Location: Remote Time Commitment: 10-20 hours/week, short-term project the company is looking for Bilingual (Spanish) Benefits Counselors to help evaluate ...

Madrid, España