decisions / trade-offs / failure modes
Engineering notes
Original technical notes about building and operating real applications. Each guide distinguishes implemented evidence from patterns worth evaluating on a specific production system.
Reliable Webhooks & Background Jobs
How to design reliable background jobs, provider webhooks, idempotent writes, retries, alerting, and recovery with Django or Node.js.
Read the guide ↗AI architectureTenant-Isolated RAG with pgvector
Design tenant-safe multilingual RAG with Django, PostgreSQL, pgvector, JWT authentication, embeddings, retrieval thresholds, and answer grounding.
Read the guide ↗Data engineeringKafka, Spark & Airflow Pipeline Design
A practical Kafka, Spark and Airflow data pipeline design guide covering Bronze/Silver/Gold, backfills, checkpoints, schema contracts, and reporting.
Read the guide ↗Full-stack engineeringDjango, Next.js & AWS Application Delivery
How to deliver a Django and Next.js web app on AWS: API contracts, authentication, PostgreSQL, CI/CD, background jobs, monitoring, and handover.
Read the guide ↗Follow the code and the context
Open project case studies, browse engineering specialties, or visit my external published articles.
Let’s talk
I like working through complex problems with people who care about the details. Have a product to build, an engineering role, or an interesting challenge? Let’s start a conversation.
SaaimOpen to full-time roles, contract work, and conversations about things worth building.