Senior Manager, Customer Success

Xendit provides payment infrastructure across Southeast Asia and is expanding to Greater China and LATAM. We process payments, power marketplaces, disburse payroll and loans, provide KYC solutions, prevent fraud, and help businesses grow exponentially. We serve our customers by providing a suite of world-class APIs, eCommerce platform integrations, and easy to use applications for individual entrepreneurs, SMEs, and enterprises alike. Our main focus is building the most advanced payment rails for Southeast Asia, with a clear goal in mind — to make payments across and within SEA simple, secure and easy for everyone. We serve thousands of businesses ranging from SMEs to multinational enterprises, and process millions of transactions monthly. We’ve been growing rapidly since our inception in 2015, onboarding hundreds of new customers every month, and backed by global top-10 VCs . We’re proud to be featured on among the fastest growing companies by Y-Combinator . About the Job At Xendit, we are looking for an experienced Senior Manager Customer Success to partner with our largest clients and drive long-term growth and success on our platform. In this role, you will own the post-go-live customer lifecycle, working closely with enterprise clients to maximise adoption, optimise payment performance, and unlock new growth opportunities. You will develop a deep understanding of your clients’ business models, payment flows, and operational challenges, and translate these into actionable strategies that drive measurable outcomes. You will act as a trusted advisor to both technical and business stakeholders, leading solutioning discussions, identifying opportunities for expansion, and coordinating cross-functional efforts across Product, Engineering, and Commercial teams. This role is ideal for someone who combines strong commercial acumen with product and technical understanding, and is comfortable managing complex enterprise relationships — including clients in Greater China — in a fast-paced, high-growth environment. Minimum Qualifications 8–10 years of experience in Customer Success, Technical Account Management, or related client-facing roles within B2B SaaS, fintech, or payments environments Proven track record of managing and growing enterprise accounts, including driving adoption, retention, and expansion Strong commercial mindset, with experience contributing to or owning revenue outcomes (e.g. NRR, upsell, cross-sell) Ability to engage and influence senior stakeholders (VP, C-level) across both technical and business functions Strong understanding of technical products (e.g. APIs, integrations, payment flows) and ability to translate product capabilities into business value Demonstrated ability to operate independently and lead complex client engagements, including managing escalations and competing priorities Excellent communication skills in English and Mandarin (business proficiency required) to support Greater China clients Experience working cross-functionally with Sales, Product, Engineering, and Operations teams Strong problem-solving and analytical skills, with a focus on driving measurable customer outcomes Preferred Qualifications Experience in payments, fintech, or financial infrastructure, particularly in high-growth or global environments Prior experience managing enterprise clients in Greater China (Mainland China, Taiwan, Hong Kong) Track record of delivering measurable impact (e.g. improving payment success rates, driving revenue growth, expanding product adoption) Experience in multi-market or cross-border client environments Background in consulting, solution engineering, or strategic account management Familiarity with data analysis or performance optimisation (e.g. transaction success rates, funnel optimisation) Experience building or contributing to customer success playbooks, frameworks, or segmentation strategies Responsibilities Own a portfolio of Chinese-speaking enterprise accounts, driving adoption, re…