Empleos de freelance data annotator en Sevilla

Jobs for Humanity is seeking a freelance online data analyst to support the enhancement of digital maps.¿Tiene las cualificaciones y habilidades adecuadas para este trabajo? Descúbralo a continuación y pulse en "solicitar" para ser considerado.You will verify and compare data in a web-based environment, focusing on the relevance and accuracy of...

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.

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...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a UAC Media Buyer (Freelance) based in Spain.Join a performance-driven digital business focused on delivering high-quality traffic through leading acquisition channels.As a Freelance UAC Media Buyer, you will manage and scale Google...

Remobi | Remote (Europe) | B2B/Freelance/Contract | Until September **** 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...

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...

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...

Darwin Recruitment seeks a Data Engineer (ETL Migration) for a 2-month remote freelance engagement with a European FinTech client.The role focuses on migrating on-premise ETL workloads to a secure cloud solution with proper orchestration, scheduling, and logging to support auditability.The candidate will work on cloud migration, require strong SQL, and...

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

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...

Are you a detail-oriented individual with a passion for research and a good understanding of national and local geography?This freelance opportunity allows you to work at your own pace and from the comfort of your own home.A Day in the Life of an Online Data Analyst:In this role, you will be working on a project aimed at enhancing the content and quality of...

Data Engineer (ETL Migration) (DRWN) Job title – Data Engineer (ETL Migration) Client Location – Remote, Europe Remote work offering – 100% Client Industry – FinTech Contract Length – 2 months (with possible extension) Contract type – Freelance Project focus Our FinTech client is moving its existing on-premise ETL workloads to the...

Data Engineer (ETL Migration) (DRWN) Job title – Data Engineer (ETL Migration) Client Location – Remote, Europe Remote work offering – 100% Client Industry – FinTech Contract Length – 2 months (with possible extension) Contract type – Freelance Project focus Our FinTech client is moving its existing on-premise ETL workloads to the...

Data Engineer (ETL Migration) (DRWN) Job title – Data Engineer (ETL Migration) Client Location – Remote, Europe Remote work offering – 100% Client Industry – FinTech Contract Length – 2 months (with possible extension) Contract type – Freelance Project focus Our FinTech client is moving its existing on-premise ETL workloads to the...

Jobgether is seeking a Senior Copywriter based in Spain to shape messaging for mobile apps, gaming, retail, fintech, and productivity brands. You will own copy from briefs to localization, collaborating with designers and growth consultants to craft persuasive messaging across app stores and digital channels.You will guide freelance writers, analyze...

Jobgether is seeking a Freelance Campaign Manager for influencer marketing across Europe. You will lead creator discovery, negotiations, content delivery, and performance reporting for a major global consumer brand. The role emphasizes strategic thinking, budget control, and data-driven optimization.Ideal candidates have 3–5 years of influencer marketing...

Would you be interested in continuing your career as aCommissioning Engineer specializing in Coolingat a leading multinational provider of energy and technological solutions?At Oxigent Technologies, we are looking for aCommissioning Engineer specializing in Cooling (Freelance)to collaborate on international projects focused on the startup, commissioning, and...

About The JobAt Alignerr, we partner with the world's leading AI research teams and labs to build and train cutting-edge AI models.Organization: AlignerrPosition: EMR/EHR Implementation SpecialistType: Hourly ContractCompensation: $35–$75 /hourLocation: RemoteCommitment: ***** hours/weekWhat You'll DoLead the rollout, system configuration, and...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Manager Controlling & Planning based in Spain.As a Manager Controlling & Planning, you will oversee workforce planning and operational performance across multiple customer service projects.You will ensure that the right people are...