Empleos de freelance data annotator en Valencia

SummaryThe Data Annotator is responsible for reviewing collected data to confirm integrity, organization, and alignment with program requirements. This role requires strong reporting skills, familiarity with basic automation scripts, troubleshooting corrupted or incomplete data sets, and providing feedback to drivers to support route strategy and re-drive...

Corporate Sales Engineer - German (Remote) Spain - BarcelonaGermany - RemoteFull timeR30247As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn't changed - we're here to stop breaches, and we've redefined modern security with the world's most advanced...

A global online task provider is looking for an annotator in Spain to review and label Japanese-language content. You will classify data, identify inaccuracies, and contribute to AI project quality. Qualifications include a Bachelor's degree and experience, with requirement of proficiency in Japanese and advanced English. This remote, part-time freelance...

Overview 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. What This Opportunity Involves While each project involves unique tasks, contributors may: Design original computational data science...

Oxigent Technologies is seeking a Commissioning Engineer specializing in Cooling (Freelance) to join international projects focused on startup, commissioning, and technical support of data center cooling systems. The role requires a Mechanical or Electrical Engineering degree, 5+ years of HVAC/cooling experience, and English proficiency at B2+/C1.EU passport...

Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise.

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Freelance Campaign Manager, Influencer Marketing based in Spain.In this role, you will manage high-volume influencer marketing campaigns for leading international consumer brands across multiple European markets.You will oversee...

Mindrift is seeking a part-time AI Workflow Engineer for the Tendem project in Spain.This remote freelance role focuses on designing and optimizing AI-driven workflows powered by LLMs.You'll collaborate with agents and leverage your expertise in prompt engineering, automation, and data structuring.Ideal candidates will have at least 3 years of relevant...

Darwin Recruitment is seeking a Data Engineer (ETL Migration) for a 2-month freelance engagement. The role focuses on migrating on-premise ETL workloads to a cloud environment with proper orchestration, scheduling, and logging in a regulated FinTech setting.You will leverage Airflow (dbt beneficial), write strong SQL, and maintain security-conscious logging...

🌞 Do you speak fluent Swiss German and enjoy professional conversations with business contacts?Join our international team and support leading B2B organizations through high-quality customer engagement, lead generation, market research, and appointment-setting projects. Work remotely from Spain with flexible hours and attractive freelance conditions.✨...

Customer Support Representative - AI Training (Freelance - Remote)Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.About ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Freelance Campaign Manager, Influencer Marketing, CPG based in Spain.In this role, you will lead large-scale influencer marketing campaigns for a major global consumer brand across multiple European markets. You will manage the...

Data Engineer (ETL Migration) (DRWN)Job title – Data Engineer (ETL Migration)Client Location – Remote, EuropeRemote work offering – 100%Client Industry – FinTechContract Length – 2 months (with possible extension)Contract type – FreelanceProject focusOur FinTech client is moving its existing on-premise ETL workloads to the cloud. You will rebuild...

ConexusDX Part of the Recolution Group is seeking an experienced Senior SAP FICO Consultant (Remote, Freelance) to drive SAP Finance transformations within a multi-entity environment. You will collaborate with Finance and IT to deliver SAP FI/CO solutions, support data migration, and enhance financial processes across GL, AP, AR, Asset Accounting and CO.The...

Remobi | Remote (Europe) | B2B/Freelance/Contract | Until September 2027 initially, high chance of extensionWe are Remobi - we help businesses scale and innovate through high-performing, remote nearshore tech teams.Role Description We’re hiring a Data Engineer to join a global energy technology leader, owning the data pipelines that power AI across its...

Customer Support Representative - AI Training (Freelance - Remote)Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud.About ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000...

Customer Support Representative - AI Training (Freelance - Remote) Envíe su CV y cualquier información adicional requerida después de haber leído esta descripción, haciendo clic en el botón de solicitud. About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over...

place Valencia · Remoto (España) schedule Tiempo completo La información a continuación detalla los requisitos del puesto, la experiencia esperada del candidato y las cualificaciones correspondientes.Diseñar e implementar agentes de IA, copilots y automatizaciones en producción para clientes de sectores variados. Consultoría Consultor/a de IA y...

Remobi | Remote (need to be Portugal, Spain, Poland or Croatia based) | B2B/Freelance/Contract | Until September **** initiallyWe are Remobi - we help businesses scale and innovate through high-performing, remote nearshore tech teams.Role Description We're hiring a Senior Data Solution Architect to join a global energy technology leader, driving the design,...

Alignerr is seeking a Machine Learning Engineer (AI Data Trainer) to help train advanced AI models by producing expert?level, step?by?step reasoning data.The role is fully remote on an hourly contract, offering ***** hours per week and flexible scheduling.You will craft precise reasoning logs and annotated workflows, demonstrating how an expert tackles...