Billing Manager (FitMe)

About us: Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. We have achieved a significant milestone of over 1 billion downloads worldwide, taking a step toward our mission of cultivating the well-being of people worldwide. With headquarters in London, UK, Gismart is a dynamic global company with a reach extending across Europe and far beyond. Our determined team comprises over 350 individuals who bring diversity, creativity, innovation, and relentless drive to the company. Gismart unites professionals from diverse backgrounds in entertainment, music, and tech, allowing us to play to each other’s strengths and succeed as a team. Our mission: Become a stepping stone on our customers’ journeys of self-improvement. Our values: D eliver what matters R espect and support others I nitiate and own V oiceopenly E xecute with quality If you are passionate about mobile app development and want to join a company that’s reshaping the industry, Gismart is the place for you. We provide exciting career opportunities, a supportive workplace culture, and the chance to contribute to a team that is making a tangible impact. For more information on Gismart, visit gismart.com . Requirements 1+ years of experience as a Billing Manager or Anti-Fraud Manager Experience with chargebacks, refunds, performance metrics, cost optimization, etc Strong analytical mindset and systematic approach to problem-solving Ability to work independently and formulate hypotheses and solutions to assigned problems Upper-Intermediate level of English or higher Responsibilities Monitoring the key performance indicators affecting billing efficiency: authorization rate, risk metrics, and cost optimization (including detailed analytics) Negotiating terms and conditions with the payment providers Working closely with the product managers, support team, finance department, management, and development team Doing research on the most popular payment methods in different markets Experience working with Experience with different PSPs: Stripe, PayPal, Braintree, Adyen, Checkout, and others Confidence with Orchestration platforms, 3Ds, Payment tokenization, Chargeback protection, Amplitude, Jira, and Tableau Solid knowledge of alternative payment methods, e.g., PIX, Blik, Cashapp, Revolut, etc Would be a plus Experience in the financial or banking sector Experience working with payment systems Understanding of unit economics and data-driven decision-making methodology Experience creating technical requirements for developers and running A/B tests Experience in negotiations with business partners Employee Benefits: Remote-First Culture: Our team is diverse and extensive, just like our product portfolio. We provide a flexible working schedule and let you work anywhere in the world, either remotely or in one of our corporate hubs. Сoworking Compensation: We provide 100% compensation for coworking spaces in Ukraine (except