RareBro Engineering Blog

Technical research, architectural deep dives, and scaling guides written by our core developer team.

Artificial Intelligence8 min read

Optimizing Retrieval-Augmented Generation (RAG) Embeddings for FinTech

A technical deep dive on structural pre-processing, metadata filters, and evaluation algorithms to prevent hallucinations in finance agents.

Rahul Bro June 18, 2026
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Cloud Engineering12 min read

Scaling Serverless Workloads with AWS ECS Fargate & WAF

Step-by-step configurations for VPC subnets, Application Load Balancers, zero-trust IAM roles, and auto-scaling rules.

Siddharth Bro June 12, 2026
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Cybersecurity10 min read

Hardening FastAPI Apps: Authentication, Rate Limiting & Auditing

Implement JWT token validation, SlowAPI rate-limiting handlers, secure hashing, and SQLAlchemy-backed audit log tracking.

Aishwarya Bro May 29, 2026
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