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Fin Tech Stack

Stablecoin-powered payments platform for instant global transfers

Technology, Information and Media New York 2–10 employees Privately Held

Fin is a Series A payments infrastructure company building on stablecoins and blockchain rails to move money across borders in seconds. The stack—TypeScript, Node.js, Rust, React Native, Stripe—reflects a consumer-first mobile approach paired with traditional finance integrations. Active projects center on compliance (framework, risk procedures, controls) and core payment infrastructure (backend, mobile app, partner integrations), while pain points reveal the company is navigating regulatory complexity and scaling transaction volume simultaneously.

Tech Stack 10 technologies

Core StackTypeScript Node.js Rust React Native Stripe Ramp Expo iOS Android PayPal

What Fin Is Building

Challenges

  • Expanding partner distribution
  • Regulatory environment constantly evolving
  • Building compliance program from ground up
  • Scaling to millions of transactions
  • Payment pain points
  • Accounting workflows
  • Operational constraints
  • Revenue growth via partnerships
  • Managing risk with effective controls
  • Ensuring platform security

Active Projects

  • Developing compliance framework
  • Creating risk assessment procedures
  • Implementing best-in-class compliance program
  • Core backend services for global payments
  • Cloud infrastructure setup and deployment workflows
  • Embedding fin into partner workflows
  • Partner integration
  • Fin mobile app
  • Payment flows
  • Secure account and custody patterns

Hiring Activity

Minimal15 roles · 0 in 30d

Department

Engineering
6
Sales
3
Legal
2
Product
2

Seniority

Senior
6
Mid
5
Lead
2
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About Fin

Fin operates a payments platform that combines stablecoin settlement with traditional banking and crypto rails, targeting both individuals and businesses moving high-value transactions globally. The product surfaces through a mobile app (iOS, Android via React Native) and partner integrations, with Stripe and PayPal in the tech stack anchoring fiat on-/off-ramps. At 2–10 employees across engineering, sales, legal, and product, the company is in the early scaling phase, actively building compliance infrastructure and expanding partner distribution channels. Operations are based in New York.

HeadquartersNew York
Company Size2–10 employees
Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Fin use?

TypeScript, Node.js, Rust, React Native, Expo, Stripe, and PayPal. The stack balances mobile-first development (React Native for iOS/Android) with backend performance (Rust, Node.js) and traditional payment integration (Stripe, PayPal).

What is Fin working on?

Core projects include backend infrastructure for global payments, a mobile app, partner integrations, compliance framework, and risk controls. The company is scaling transaction volume while building regulatory compliance from the ground up.

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