HubMub
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FYST

Senior Product Manager (Integrations)

FYST
Estonia · Full-time · Mid-Senior
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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Country Guide

Estonia

Digital-first ecosystem and startup culture

Posted
Mar 30, 2026
Type
Full-time
Level
Mid-Senior
Location
Estonia
Company
FYST

Industries

Internet Publishing

Categories

Product Management Marketing

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