Head of Billing

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 450 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.

Become a stepping stone on our customers’ journeys of self-improvement.
Our values:

• Deliver what matters

• Respect and support others

• Initiate and own

• Voice openly

• Execute 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.

We are looking for an experienced Head of Billing to lead our centralized Billing function and drive payment performance across Gismart's portfolio of 12+ subscription-based products.

This role combines deep payments expertise, commercial thinking, and organizational leadership. You will own our Billing strategy, optimize payment infrastructure and processing economics, and build a scalable operating model that balances the needs of independent product teams with company-wide priorities.

You will report directly to the COO and collaborate closely with Product CEOs, technical teams, and external payment partners.

• Develop and execute a portfolio-wide Billing strategy focused on revenue growth, payment efficiency, and profitability.

• Drive improvements in payment approval rates, subscription conversion, revenue recovery, and processing costs through data-driven experimentation.

• Own the development and optimization of our web subscription billing infrastructure, including payment orchestration, transaction routing, recurring payments, and retry strategies.

• Manage integrations with Payment Service Providers (PSPs), payment gateways, and acquiring banks, including identifying new partners and coordinating technical implementation.

• Establish effective monitoring of key Billing KPIs, including payment performance, fraud and risk metrics, chargebacks, and processing expenses.

• Oversee fraud prevention, chargeback management, and payment risk mitigation, ensuring compliance with relevant card network regulations.

• Lead strategic relationships with payment partners, including commercial negotiations, performance reviews, and critical escalations.

• Partner with Product CEOs to identify growth opportunities, align competing priorities, and translate business needs into actionable Billing initiatives.

• Establish transparent prioritization frameworks and clear ownership between central Billing and product-level teams.

• Ensure payment infrastructure reliability through effective monitoring, incident management, and continuous process improvements.

• Lead and develop the Billing team, building scalable processes, clear accountability, and a proactive, results-driven culture.

• 2+ years of experience in Payments, Billing, Payment Operations, or Payment Product Management, including experience in a leadership role.

• Strong understanding of subscription-based business models, ideally within B2C digital products.

• Hands-on experience with payment processing, merchant accounts, payment gateways, acquiring banks, and payment orchestration platforms.

• Deep knowledge of card payment flows, transaction routing, recurring billing, authorization optimization, and payment recovery.

• Solid understanding of Visa and Mastercard regulations, fraud prevention, anti-fraud systems, and chargeback management.

• Proven experience managing PSP relationships, negotiating commercial terms, and evaluating payment partners.

• Strong analytical skills, experience working with large datasets, and ability to translate payment metrics into actionable business decisions.

• Experience collaborating with engineering teams on payment integrations, technical requirements, and infrastructure improvements.

• Proven ability to manage multiple stakeholders with competing priorities and drive cross-functional initiatives.

• Strong strategic thinking, commercial acumen, and ability to build scalable processes and effective operating models.

• Excellent leadership, communication, and negotiation skills, with a high level of ownership and accountability.

• Upper-intermediate or higher English proficiency.

• Experience in a multi-product environment, venture builder, or organization with decentralized product ownership.

• Experience with Stripe, Primer, PayPal, or other major payment service providers and orchestration platforms.

• Experience building or significantly scaling web subscription billing infrastructure.

• Experience with banking anti-fraud systems, payment risk management, and advanced fraud prevention solutions.

• Experience managing payment operations across multiple geographies, currencies, and acquiring markets.

• Understanding of subscription unit economics, LTV optimization, and payment-related profitability metrics.

• Experience in the mobile applications industry or other high-volume B2C subscription businesses.

• 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 and 50% compensation for coworking spaces worldwide to make sure that everyone has a comfortable and inspiring workspace

• Free Office Lunches: We want you to stay fueled and focused, so we provide delicious free lunches for everyone working from our hubs. It’s one less thing for you to worry about during a productive workday

• Flexible Public Holidays Policy: Gismart provides its employees with 6 fixed public holidays per year and gives you the freedom to choose 5 additional holidays to your liking

• 100% Sick Leave Compensation

• Mental and Physical Health: To help you stay happy and healthy, Gismart will partially cover your medical insurance, sports activities, therapy costs

• Personal Equipment Policy: Of course, we’ll provide you with all the equipment you need or cover the maintenance cost for your own tools

• Personal Learning and Development: We love to see you learn and grow, so Gismart will cover 70% of your professional development courses. We’ll also pay for 100% of corporate English courses

• Time-Off Policy: Every employee gets 18 working days of paid vacation and 3 personal days per year, with an extra day added for each year at Gismart

• Corporate Events: We are remote-first, but we love meeting up in person. Whenever possible, we organize corporate events and team-building activities across all Gismart hubs