Empleos de experte paypal freelance en Madrid

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Expert(e) PayPal Freelance based in Spain.This freelance role offers the opportunity to take ownership of PayPal payment capabilities across a portfolio of international subscription-based SaaS products. You will focus on...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Expert(e) PayPal Freelance based in Spain. This freelance role offers the opportunity to take ownership of PayPal payment capabilities across a portfolio of international subscription-based SaaS products. You will focus on...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Expert(e) PayPal Freelance based in Spain.This freelance role offers the opportunity to take ownership of PayPal payment capabilities across a portfolio of international subscription-based SaaS products. You will focus on...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Expert(e) Adyen Freelance based in Spain.This freelance role offers the opportunity to make a measurable impact on payment performance across a portfolio of international SaaS products. You will take ownership of auditing,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Expert(e) Stripe Freelance based in Spain.This freelance role offers the opportunity to optimize payment infrastructure across a portfolio of international subscription-based SaaS products.You will audit existing Stripe...

Le Mini Macaron is a fun and disruptive beauty brand bringing salon‑quality gel manicures into the comfort of your home. Born from a love for beauty, innovation, and self‑expression, we’ve reimagined nail care to make it easy, empowering, and accessible.Our products are available globally at leading retailers, including Sephora, ULTÀ, ASOS, and...

Talentchef, agencia especializada en gastronomía y lujo, busca un/a WordPress Developer (Freelance) para el desarrollo, mantenimiento y optimización de las páginas del grupo Little Big y sus marcas. Serás responsable del ecosistema digital: hosting, dominios y Google Workspace, e implementarás diseños con Elementor y animaciones web, manteniendo firmas...

A leading beauty brand in Barcelona is seeking a Freelance Nail Expert & Content Creator. The ideal candidate will have 3–5+ years of experience in nail styling, with strong knowledge of gel systems. Responsibilities include product testing, providing feedback, and creating educational content like tutorials and demonstrations. This role is ideal for...

Please submit your CV in English and indicate your level of English proficiency.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 InvolvesWhile each project involves unique tasks,...

TINSA Spain busca arquitectos y arquitectos técnicos para colaborar en la tasación inmobiliaria. Los profesionales deberán realizar informes de valoración de inmuebles, acorde con la normativa vigente y estándares de calidad de la compañía.Ofrecemos una flexibilidad total en la organización del trabajo y la posibilidad de colaborar en otros tipos de...

Darwin Recruitment is seeking an Applied AI / Atlassian Rovo Expert to design, implement and roll out Rovo agents in a live enterprise environment. You will advise on the best AI tool fit for each use case, drive adoption, and lead governance across the business. Proven hands-on delivery with Atlassian Rovo (Agents, Studio, Search and Chat) and strong...

Lever, Inc. seeks an Expert Adyen freelance specialist based in Spain to audit, stabilize and optimize Adyen integrations across multiple SaaS products. You will improve authorization and renewal performance, strengthen fraud and dispute management, and deliver hands-on enhancements with a high degree of autonomy. You will collaborate with payment,...

Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation isproject-based, not permanent employment. What This Opportunity Involves As an AI Trainer - Junior Linguist,...

knowmad mood busca un profesional especializado en automatización con UiPath para un entorno tecnológico centrado en desarrollo, mantenimiento y evolución de soluciones RPA. Serás pieza clave para mejorar la plataforma, asegurando procesos robustos y escalables. Se valorará experiencia en REFramework, Document Understanding, Apps y APIs REST, con foco...

A leading AI innovation company in Barcelona is seeking a Machine Learning expert to collaborate on advanced AI projects. This remote, freelance role requires a Master’s or PhD in a STEM field and at least 5 years of experience in Machine Learning. Candidates should have strong Python programming skills and a solid understanding of numerical methods and...

Jobgether SRL seeks an Arabic (Gulf) Language Expert for a Freelance AI Trainer project based in Spain. You will evaluate AI outputs in Gulf Arabic, identify linguistic inaccuracies, and provide detailed feedback to improve model performance while working remotely.Ideal candidates have expert Gulf Arabic proficiency, linguistics background, and strong...

Anyone AI is recruiting experienced Quantitative Finance Experts to contribute to the training of generative AI models. This fully remote freelance position offers flexible hours, allowing you to work according to your schedule. Your role will involve assessing the accuracy of AI-generated text, reviewing responses for relevance, and providing feedback to...

Contexte de la missionLe client a lancé, via son département Network Products, le programmeNetworkafin d'accompagner sa transformation digitale, améliorer l'expérience de connectivité des utilisateurs et renforcer la cybersécurité. Au sein du département Network Products, l'équipeData Center Foundationest responsable des infrastructures réseau des...

Timestamp is seeking an experienced SAP AI Developer / SAP Business AI Consultant to design, develop, and implement AI-powered solutions within the SAP ecosystem. The role focuses on SAP BTP, SAP AI Foundation, SAP AI Core, Joule, and Generative AI, aligning with enterprise processes and governance. Remote freelance engagement with start in November 2026 and...

aitrainer is seeking an Expert Rater to support and guide fellow raters, focusing on improving rating accuracy and decision?making while ensuring client expectations are met.You will coach raters, run client test rounds, analyze datasets using KPIs, and collaborate with R&D and CEM to refine the client's data and workflows on a freelance, 30?hour weekly...