Senior Seller Operations SpecialistPosition OverviewWe are seeking a highly motivated and analytical Senior Seller Operations Specialist to support and optimize seller performance across our marketplace ecosystem.This role will be responsible for managing operational processes, driving seller success, identifying performance improvement opportunities, and collaborating with cross-functional teams to ensure operational excellence.The ideal candidate combines strong analytical skills, stakeholder management experience, and a deep understanding of marketplace operations.Key ResponsibilitiesManage and optimize daily seller operations to ensure smooth marketplace performance.Monitor seller performance metrics, identify trends, and proactively address operational issues.Analyze sales, inventory, fulfillment, and customer service data to improve seller efficiency and business outcomes.Develop and implement operational processes, SOPs, and best practices for seller management.Act as the primary point of contact for strategic sellers regarding operational matters.Collaborate with Sales, Marketing, Supply Chain, Customer Service, Finance, and Product teams to resolve operational challenges.Drive seller onboarding, training, and enablement initiatives.Conduct regular business reviews with key sellers and provide actionable recommendations.Monitor marketplace compliance, policies, and service-level agreements (SLAs).Identify opportunities for automation and process optimization to improve operational efficiency.Prepare reports, dashboards, and executive summaries for management review.Support special projects and strategic initiatives related to marketplace growth and operational excellence.Qualifications RequiredBachelor's degree in Business Administration, Operations, Economics, Engineering, Data Analytics, or a related field.4+ years of experience in Seller Operations, Marketplace Operations, E-commerce Operations, Account Management, or related areas.Strong analytical skills with experience interpreting large datasets and performance metrics.Advanced proficiency in Microsoft Excel (Pivot Tables, VLOOKUP/XLOOKUP, data analysis).Experience working with dashboards and reporting tools.Strong project management and problem-solving skills.Excellent communication and stakeholder management abilities.Ability to work independently in a fast-paced environment.Preferred Experience with marketplace platforms and e-commerce ecosystems.Knowledge of SQL, Power BI, Tableau, or similar BI tools.Experience managing cross-functional projects.Familiarity with seller lifecycle management and marketplace KPIs.Experience in consumer electronics, retail, or FMCG industries.Key CompetenciesOperational ExcellenceData-DrivenDecision MakingProcess ImprovementStakeholder ManagementStrategic ThinkingBusiness AcumenProject ManagementCommunication & InfluenceAttention to DetailOwnership and AccountabilitySuccessMetricsSeller performance improvementRevenue and GMV growthSLA compliance ratesSeller satisfaction and retentionOperational efficiency improvementsReduction of seller-related issues and escalationsSuccessful execution of strategic initiativesReporting Line Reports to: Marketplace Operations Manager / Head of E-commerceOperationsLocation - São Paulo Brasil (Hybrid mode)