Developer Builds Serverless AI-Powered Family Finance App to Ditch Spreadsheets

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A data engineer built a custom home accounting application in 2025 to manage his family's shared finances across multiple currencies, including USD, EUR, CZK, and UAH. Frustrated by off-the-shelf apps that were either too bloated or missing key features, the family first used Google Sheets to map out their actual needs before development began. The app was built using Django and a Star Schema database design, packaged into modular apps and initially hosted on a local Ubuntu server. In 2026, the developer upgraded the system to a serverless architecture and added a conversational AI assistant to replace lengthy text manuals. The AI assistant was designed to classify user messages into distinct intents, enabling smarter, context-aware responses rather than generic chatbot replies.

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