The Senior Product Manager will drive API integrations with payment systems, manage external partner relationships, analyze business metrics, and oversee product lifecycle processes.
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
Top Skills
APIs
Payment Systems
Webhooks
Similar Jobs
Blockchain • Financial Services • Cryptocurrency • Web3
Lead product strategy and integration for off-exchange settlement at Kraken. Collaborate with cross-functional teams to deliver secure connectivity and improve trading efficiency for institutional clients.
Top Skills:
Api-Based IntegrationsCustody SolutionsFinancial Market InfrastructureInstitutional Trading Platforms
Machine Learning • Natural Language Processing
The Hebrew Linguist manages translation quality and processes, coordinates linguists, performs edits, and ensures client satisfaction while meeting project deadlines.
Top Skills:
Cat ToolsJIRAOffice ApplicationsSdl StudioWindowsXtm
Productivity • Software • App development • Automation
As an Associate Technical Support Engineer, you will assist customers and developers with troubleshooting and integration of Scanbot SDK products, ensuring customer satisfaction and technical support excellence.
Top Skills:
AndroidFlutteriOSJavaScriptMauiPythonReact Native
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.



