supermenoleh

Owned analysis and documentation for 20+ payment integrations across multiple methods and markets, reporting directly to CEO and COO. Compressed analyst-to-handoff cycle to 3 days through a structured artifact pipeline: UML diagrams (Draw.io), User Stories, payment flows, signature algorithms, request/response examples, transaction statuses, error codes, Acceptance Criteria. Generated and exchanged RSA keys with provider tech teams; developed hash-based auth functions; built and tested API packages via Postman, curl, and OpenSSL. Co-led a Telegram crypto-card mini-app pilot from 0 → 1M MAU as Project Manager alongside integration duties. Reviewed client KYC documentation and managed NDA exchange in coordination with in-house counsel.

Built financial models and forecasts for a $2M fintech portfolio; analysed cash flow, P&L, and budgeting; informed integration and roadmap prioritisation with unit-economics analysis.

Delivered 10+ crypto-exchange integrations (Binance, WhiteBit, Bybit) serving 20K+ users across UA and Asia; cut full integration cycle from 7 → 4 days (−43%). Designed and ran 30+ A/B tests on payment-offer placement, pricing/fee presentation, and CTAs — best test lifted monthly transactions by +20%. Coordinated a 15-person cross-functional team (engineering, QA, analytics, support) on Agile/Scrum with daily stand-ups and retrospectives.

Grew platform from 500 → 7,000 MAU (14×) and 50 → 300 DAU (6×) across UA and Asia by shipping personal market-maker, automated trading, and commission-optimisation features. Lifted exchange take rate from 0.2% → 2% (10×) across crypto pairs through pricing and routing optimisation. Defined product vision, owned backlog, wrote User Stories and Acceptance Criteria, coordinated an 18-person team (engineering, design, QA). Ran competitor analysis, market research, user-needs assessment; led demos and feedback loops with B2B partners.