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FintechInternal product
Finance OS
Self-hosted multi-currency finance PWA with a Claude advisor on AWS Bedrock
- Role
- Solo full-stack engineer
- Client / product
- Personal
- Years
- 2026
- Status
- Shipped
Overview
Open-source, self-hosted progressive web app for personal and business finances, built for freelancers and small-company owners who work across MAD, GBP, USD and EUR. It covers income, expenses, payroll, recurring payments, subscriptions, loans, goals, net worth and reports with live currency conversion. A streaming AI financial advisor and receipt OCR run on Claude through AWS Bedrock.
Highlights
- Dashboards in MAD, GBP, USD and EUR with live currency conversion and separate personal and business views.
- Streaming AI advisor and receipt OCR on Claude through AWS Bedrock, using IAM-role credentials with no access keys stored in the app.
- Private receipt storage in S3 via presigned URLs; installable PWA with an offline page.
- Vitest suite covering money math, CSRF and rate-limiting middleware, and payroll-flow rollback.
- Lint, typecheck, test and build run in GitHub Actions on every push.
Technology
Platforms
WebPWA
Next.js 16React 19TypeScriptTailwind CSS v4PostgreSQLPrisma 7NextAuth v5AWS Bedrock (Claude)AWS S3RechartsZodVitestGitHub ActionsDocker