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// POSTED: Apr 13, 2026

Senior Product Manager (Integrations)

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WHAT YOU'LL BE WORKING ON - 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 WHAT YOU NEED TO SUCCEED IN THIS ROLE - 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.  WHAT WE OFFER - 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. You can find out more about our team, our values, and the unique ways we celebrate our successes here: https://fyst.com/culture
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