Expert(e) Paypal Freelance

Accountabilities:: Audit existing PayPal integrations and identify opportunities to improve reliability, performance, and payment flows. Implement and stabilize recurring PayPal payment capabilities across priority SaaS products. Lead the deployment of PayPal solutions across multiple products while adapting implementation to different technical and business contexts. Optimize the PayPal checkout experience, including mobile payment journeys. Monitor and improve payment success and subscription renewal rates. Support payment risk, compliance, and dispute-management initiatives. Anticipate and manage PayPal validation and approval timelines to keep deployments on track. Document integrations, processes, and recommendations, and transfer knowledge to internal technology and product teams. Requirements: 5+ years of professional experience working on payment-related projects, with confirmed to senior-level expertise. Proven experience integrating PayPal in production environments, specifically for recurring or subscription-based payments; experience limited to one-off e-commerce transactions is not sufficient for this role. Advanced knowledge of PayPal REST APIs, PayPal Complete Payments (PPCP), Reference Transactions, and vaulting. Strong understanding of PayPal sandbox environments, webhooks, and dispute-management processes. Experience with a billing orchestrator is a strong advantage, while knowledge of other payment service providers is appreciated. Previous experience with PayPal or Braintree as a solutions or integration engineer, or within a B2C subscription SaaS environment, is highly relevant. Strong autonomy and ownership, with the ability to audit, prioritize, and deliver independently in a short-term mission. Excellent communication and knowledge-transfer skills, with the ability to explain complex payment topics clearly to product and technology teams. Rigorous, analytical, and strongly results-oriented, with a focus on measurable payment and business outcomes. Fluent French, as it is the primary working language. Professional fluency in English, which is the secondary working language and will be assessed during the recruitment process. Benefits: 3–4 month full-time freelance mission with an ASAP start. High-impact assignment with a direct influence on conversion and payment performance across multiple SaaS products. 100% remote work from Europe with significant freedom in organizing your schedule. International, multi-product environment with varied technical challenges and payment priorities. Direct collaboration with senior payment leadership and close interaction with technology and product teams. Opportunity to apply specialized PayPal expertise to recurring and subscription-based payment environments. Flexible working culture built around autonomy, ownership, transparency, and measurable impact. Exposure to multiple SaaS products and international payment operations, with opportunities to share expertise and strengthen internal capabilities.