Marketplace Seller Support Specialist

About the Team At Trendyol Core Commerce, we build innovative, data-driven strategies that power sustainable growth and global expansion. From seller experience to new market launches, we turn insights into action—fast. Our cross-functional teams shape the future of commerce with bold ideas, real-time impact, and a deep sense of ownership. In a fast-paced, collaborative environment, we grow together — as individuals and as a team. We are seeking a strategic and customer-driven Marketplace Seller Support Specialist to guide our regional operations across the CEE market. In this highly visible role, you will bridge the gap between our third-party support vendors and internal cross-functional teams. By evaluating service quality from the seller's perspective, you will ensure our vendor teams deliver an exceptional support experience while maintaining operational efficiency. This is a unique opportunity to shape international vendor operations from end to end and serve as the primary voice of our sellers in a fast-paced, growing environment. Responsibilities Manage the day‑to‑day operations of outsourced agent teams handling marketplace seller requests. Coordinate with planning teams to facilitate capacity planning, staffing adjustments, and ongoing training schedules. Monitor team performance against SLAs and KPIs, designing supportive, actionable plans to elevate service quality. Collaborate closely with Quality and Training departments to identify capability gaps and implement targeted development programs. Lead incident response for escalations, seamlessly coordinating with legal, risk, and central operations teams during seller crises. Facilitate a continuous feedback loop from vendors to central business teams to improve tools, policies, and cross-functional processes. Initiate and manage development projects focused on streamlining agent workflows and adapting to emerging seller needs. Expected Qualifications University degree, preferably in Engineering, Economics, or Management. Experience in digital experience, project management, process improvement, or vendor-operations management; e-commerce background is a plus. Excellent analytical and problem-solving skills, with the ability to translate operational insights into practical business solutions. Strong stakeholder management and cross-functional collaboration abilities to effectively align external vendors with internal teams. Capable of managing crises and complex escalations calmly while maintaining a customer-first mindset. Adaptable and highly responsible, comfortable working iteratively to optimize processes and balance operational costs with seller satisfaction. Excellent written and verbal communication skills in Romanian (native level) and English. What We Offer - Hybrid working model with flexibility: a schedule that helps you find the right balance between flexibility and team bonding, including work-from-abroad opportunities and a summer working model. - Personalised training allowance and learning opportunities: Use your annual budget for any training or conference of your choice, explore our Learning Management System (LMS) anytime, and join in-person learning sessions offered throughout the year. - Responsibility from day one: Take full ownership from the start in a culture where every voice is heard and valued. - A diverse, international team: Collaborate with global peers across our offices in Berlin, Amsterdam, Dubai, and beyond, in a startup-spirited and collaborative environment. - Opportunities to grow with the best: Tackle meaningful challenges, develop through hands-on experience, and grow with the support of expert guidance and global mentoring. - Meaningful connections beyond tasks: Be part of team rituals, events, and social activities that help us stay connected and inspired. Take the Next Step If this role excites you, apply today, we look forward to taking the next step with you. Want to get to know the team better first? Explore our Career Website , LinkedIn , or YouTube to learn more about #LifeatTrendyol and how we work.