Development // Repository
Personal Projects.
Data-driven applications and financial modeling tools, built with high-performance backends, automated pipelines, and scalable cloud infrastructure.
Sponsometer.com
A platform for charity sponsorship runs. Sponsors pledge per kilometre, hour or round, the runner does the event, and the actual amount is settled afterwards, charged directly on the charity's own Stripe account. In English and Danish.
Finansberegner.dk
Personal finance platform with 25+ calculators for mortgages, refinancing, dividend tax, inflation and investment growth, plus a monitoring service for Skat's "positive list" of Aktiesparekonto-eligible funds. One codebase also serves the Swedish site finanskalkylatorn.se. Stripe for premium features.
AI Chatbot on fredsoe.io
The chat assistant in the corner of this site: a production RAG pipeline that answers questions about me. Document ingestion and chunking with LangChain, OpenAI embeddings in pgvector, and Anthropic Claude for generation, served by FastAPI on Kubernetes.
Oracle
LLM-powered board game rules assistant. Ask anything about your board game rules and get an instant answer, instead of digging through the rulebook mid-game.
Elpriser
Would a spot-priced electricity contract have beaten your fixed one? Compares your actual consumption from ElOverblik against historical spot prices from Energi Data Service. Your consumption is never stored, and the comparison runs in your browser.
Finansanalyser.dk
Blog about personal finance, investment, and data analysis. Publishing insights and tutorials in R & Python since 2021.