Sovereign Bank: a Web3 platform for real people, not elites. We’re building non-custodial wallets and stablecoin cards to empower freelancers and relocators. A truly unstoppable "people's project." Seeking a technical co-founder (CTO) to lead development and build the future of finance with us. Let’s change the world together!

A sophisticated Banking-as-a-Service (BaaS) simulation platform for green financing and ESG analytics.

Production-grade Elixir client for the Marqeta Core, Credit, and DiVA APIs.

Production-grade TypeScript SDK for the Marqeta Core, Credit, and DiVA APIs.

Production-grade Elixir client for the Solaris Embedded Finance API. Covers Onboarding (Persons & Businesses), KYC, Digital Banking, SEPA Transfers, Cards, Lending, and Webhooks with full telemetry, retries, rate-limiting, OAuth2 token management, and typed error handling.

Production-grade TypeScript client for the Solaris Platform API

Production-grade Go SDK for the Marqeta Core, Credit, and DiVA APIs.

Celcoin APIs.json profile

Lead Bank — sponsor banking + embedded finance infrastructure

Solid (Solid.fi) — fintech-as-a-service banking and payments

Cross River Bank — banking-as-a-service / sponsor bank

API Evangelist profile of Open — India's connected banking platform for SMBs (payments, accounting, payroll, expense management).

API Evangelist profile for Gerencianet / Efí Bank — Brazilian fintech (billing, subscriptions, PIX, boleto)

Production-grade TypeScript SDK for the ClearBank UK API

Juno — Brazilian B2B fintech (EBANX) for billing, PIX, cards, and subscriptions

Decentro is a banking-as-a-service platform that provides businesses with seamless integration to Indian banking infrastructure - including payments (UPI, IMPS, NEFT, RTGS), virtual accounts, KYC, ledger primitives, and credit-bureau data.