Serverless utility rate engine on AWS: author bill calculations in a spreadsheet-like language (RDL) that transpiles to compiled Rust Lambda. React UI for rate authoring, plus batch processing for rate-case modeling across millions of bills.
The Autonomous Revenue OS for Enterprise SaaS. Built with Next.js 15, PostgreSQL, Redis, and AI-driven growth agents.
A guide on how to sell your Plug-Ins to marketplace owners using Stripe
Open-source billing engine for AI products — token metering with model × token_type matrix pricing, prepaid commits + drawdown, per-customer margin/COGS. Self-hosted in your VPC.
An enterprise-grade B2B SaaS subscription and customer management system featuring a state-driven billing engine, real-time metrics dashboards, and advanced filtering. Built as a high-performance monorepo with Java 25 / Spring Boot 4 and React 19 / Vite 8
Monorepo for a B2B Micro-Suite: asynchronous billing core with NestJS, BullMQ, and Prisma, plus future RevOps modules. Built with pnpm workspaces as a modular monolith.
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