Joe Bruechner

Work

Building data-driven products, from fraud detection to legal AI.

Founder & Engineer

2025 –

Atticus AI

Building a legal AI platform for small and mid-sized law firms. Full-stack development including RAG-powered document search, real-time AI chat with Claude, document creation and analysis, multi-tenant architecture, and enterprise compliance. Handling everything from infrastructure to product design.

Data Scientist

2024 – 2025

NLP & Machine Learning

Worked on NLP SMS agents for insurance and healthcare verticals. Built automated Python evaluation frameworks for model performance analysis. Improved F1 scores by 20% through A/B testing and confusion matrix analysis. Bridged the gap between model development and production deployment.

Data Scientist Intern

2023

Blockchain Analytics

Focused on anomaly detection for fraud prediction at a blockchain analytics startup. Served in a client-facing role, translating complex technical findings into actionable intelligence for the Department of Defense, national banks, crypto exchanges, and securities commissions.

View demos →

Atticus AI

A legal technology platform designed for SMB law firms. Atticus helps lawyers research, draft documents, and analyze contracts while maintaining strict confidentiality and compliance standards. Built with Claude, FastAPI, React, PostgreSQL, and Redis.

31x
Faster uploads
Hybrid RAG
Pipeline
Transparent
Agent Loop

Technical Highlights

  • Rust-based text extraction and background indexing
  • pgvector semantic search with legal-aware chunking
  • Source attribution and real-time tool visibility
  • Streaming responses with optimistic UI updates

Technologies I work with daily

Languages
Python
TypeScript
Go
Rust
Swift
Backend
FastAPI
Node.js
Frontend
React
Next.js
Vite
shadcn/ui
Data
PostgreSQL
MySQL
Redis
Infrastructure
Docker
file_type_nginx
Nginx
Cloudflare
GCP
AWS
Kafka
AI Tools
Claude
Cursor
Grok