Empleos de remote data analyst for ai evaluation en Barcelona

Alignerr is seeking a Mathematics Specialist (Masters/PhDs) for a fully remote hourly contract role. You will develop, solve, and review advanced mathematical problems, design statements across algebra and calculus, and evaluate AI-generated reasoning for rigor and coherence.You will collaborate asynchronously with AI researchers, maintain mathematical...

About FinomFinom is a European tech startup headquartered in Amsterdam, and we’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that integrates banking functions, accounting, financial management, and invoicing into a seamless, mobile-first...

Mercor connects elite creative and technical talent with leading AI research labs. A Psychiatry Expert is sought for a remote contract to evaluate how large language models reason through complex psychiatric cases and design expert-level diagnostic challenges. The role involves developing gold-standard answers with clear clinical reasoning and emphasizing...

Alignerr Corp. is seeking an E-commerce Data Analyst to review, categorize, and refine product data powering AI shopping and recommendations. This fully remote, hourly contract role lets you work asynchronously while contributing to high-impact AI training tasks. You will evaluate product listings, tag and classify items, and provide structured feedback to...

Adzuna Limited is seeking a remote, contractor-level Product Manager/Product Owner to contribute to an evaluation project focused on analyzing and improving AI systems. No prior AI experience is required. You will assess AI-generated specifications, content, and documentation, and provide detailed rationales and feedback. The role emphasizes independent...

The Ai Training Company is seeking experienced Data Analysts and Data Governance professionals for a remote AI training project focused on large-scale business data. You will review, validate, and quality-check datasets and documents while ensuring privacy and PII requirements.Ideal candidates bring data analysis, data quality, and document review experience...

Mercor is seeking a Music Production Expert - Spanish (ES) for a contract, remote position. You will evaluate AI-generated music across genres for musicality, creativity, and production quality, and label songs by genre and structure.Candidates should have native or near-native Spanish, English instruction comprehension, 2+ years in music production, and...

Alignerr is seeking finance lecturers and economists to shape how AI understands financial concepts. This remote hourly role focuses on valuation, risk, and corporate finance, with 10-40 hours per week. You will review AI training content, provide detailed feedback, and work asynchronously on your own schedule. A strong teaching background and expertise in...

Alignerr is seeking a Security Operations Analyst for AI training purposes.This remote, hourly contract role focuses on hands-on SOC work to help AI understand and respond to security incidents, with flexible hours across time zones.You will analyze incident scenarios, classify threats, review detection logic, and help validate AI triage workflows while...

Mercor is seeking a Litigation Lawyer (Spain) for a remote contract role, offering an hourly rate of $140–$150 and an approximate 10 hours commitment. You will evaluate AI-generated responses, compare outputs from two platforms, and score results against a rubric. Ideal candidates have 2+ years in litigation, are qualified to practise in Spain, and are...

Alignerr is seeking an Incident Response Analyst for AI Training to vet AI-driven security responses.You will analyze realistic security events, triage alerts, and assess root causes in collaboration with researchers, shaping how AI systems learn to respond to incidents.This fully remote, hourly contract offers flexible hours ****** per week), independent...

About FinomFinom is a European tech startup headquartered in Amsterdam, and we’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that integrates banking functions, accounting, financial management, and invoicing into a seamless, mobile-first...

Labhouse in Barcelona is seeking a Product Data Analyst to partner with product, engineering, and marketing, turning data into actionable decisions for our AI-driven apps. You will define KPIs, build dashboards, and run analyses to guide the roadmap.You'll be curious, autonomous, and hands-on, with strong SQL and statistics, plus experience with analytics...

YO IT Consulting is seeking an Excel Expert to apply their proficiency in Microsoft Excel to enhance AI training efforts. The role involves analyzing complex Excel files, providing best practices, and collaborating with teams to refine workflows. Ideal candidates will have deep Excel knowledge and strong analytical skills. This position is remote, offering...

Lighthouse in Barcelona is seeking a Data Science Engineer to own projects from business questions through to models and AI products delivered to customers. You will work in the Data Science Core, collaborating with ML engineers and customers to turn data into real actions. You’ll apply Python-based ML, cloud orchestration, and generative AI to hospitality...

CrowdStrike is seeking a Data Analyst to join the Office of Adversary Strategy. In this role you will analyze large-scale security telemetry, threat intelligence feeds, and detection data to uncover patterns and support strategic initiatives. You will build dashboards, collaborate with product and engineering teams, and translate complex data findings into...

Toptal is seeking a Marketing Analyst to build and own the marketing data infrastructure, supporting new businesses acquired via M&A. You will track paid advertising performance, translate it into metrics like LTV and ROAS, and develop reports to inform budget allocation and channel strategy.You’ll define key metrics, measure channel performance, build...

Welo Global is seeking detail-oriented Trainers to support an AI data annotation project. This remote freelance role involves reviewing pre-seeded questions paired with images and providing gold-standard answers based on visual content. Ideal candidates are native Spanish speakers with strong English, a bachelor's degree, and meticulous attention to detail....

Dils Lucas Fox in Madrid (Spain) seeks a Data Analyst with SAS/SQL programming and fluent German to join the Real-World Solutions team. You will analyze longitudinal datasets and prepare client deliverables for pharmaceutical and healthcare projects.The ideal candidate has a life sciences or related degree, strong analytical skills, and experience in...

Welo Data is seeking a detail-oriented Quality Control Specialist to support an AI data annotation project. You will review Trainer submissions—original questions, images, and golden answers—to confirm accuracy, consistency, and adherence to guidelines in a remote freelance capacity. Ideal candidates have native/strong Spanish, a Bachelor’s degree,...