Senior Product Manager (Integrations)

• Own and drive API integrations with international payment systems and external service providers
• Act as the primary point of contact with external partners, ensuring timely delivery, alignment, and issue resolution
• Analyze key business and product metrics to improve monetization, conversion, and customer retention
• Generate product ideas and translate them into clear, actionable concepts and requirements
• Oversee operational planning, task prioritization, deadline control, and cross-team coordination
• Support merchant technical onboarding, ensuring smooth integration and adoption
• Collaborate closely with engineering, operations, compliance, and commercial teams across the full product lifecycle

• At least 4-5+ years of experience in Product Management or Technical Product roles, preferably in fintech or payment infrastructure.
• Hands-on experience integrating payment systems, PSPs, or acquirers, owning integrations from API discovery and scoping through go-live and post-launch monitoring.
• Strong understanding of the full payment lifecycle, including authorization, capture, refunds, chargebacks, reconciliation, and reporting.
• Deep knowledge of card payment flows and 3DS2 authentication, including SCA logic, frictionless vs challenge flows, and liability shift.
• Experience working with payment APIs, webhooks, and technical documentation, collaborating closely with engineering teams.
• Experience evaluating and integrating new payment providers, including technical complexity, operational impact, and risk assessment.
• Understanding of payment performance optimization, including authorization rates, routing strategies, retry logic, and decline analysis.
• Ability to work directly with external partners (acquirers, processors, PSPs) and coordinate cross-functionally with engineering, operations, and client teams.
• Ability to manage multiple integrations in parallel in complex payment environments.
• Experience using AI tools to support API analysis, documentation, or operational workflows is a plus.
• English language skills at B1-B2 level and fluent russian language. 

• An opportunity to make something great even greater, you can be the reason why we grow, develop, and become the best fintech company on the market!
• Career prospects - we are young, we have huge ambitions, and it is important that our employees grow with us
• Work with coworkers who are passionate about their business
• Compensation that will fully correspond to the competence and knowledge, with yearly performance reviews
• The opportunity to attend conferences, courses, and professional development at the company's expense - we favor the continuous development of our employees
• Private health insurance coverage
• Remote work
• 20 days of vacation time; bank holidays; sick leaves; additional birthday day off
• Team building events and corporate parties.

You can find out more about our team, our values, and the unique ways we celebrate our successes here: https://fyst.com/culture