Engineering work and notes

I build backend systems and write down the decisions that matter.

The work usually comes down to data movement, ordering, failure handling and keeping systems understandable as they evolve. This site is where I document those constraints, trade-offs and the simpler choices that often survive them.

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Start with the systems, then use the writing to inspect the decisions behind them.

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Order Tracking

Order-event ingestion moved behind Kafka while preserving a per-order ordering boundary.

Engineering write-up Repository

Snapshot Ingestion

Periodic XML snapshots staged and coordinated in PostgreSQL without adding a broker by default.

Engineering write-up Repository

Engineering writing

When Postgres Is Enough: Building a Resilient Snapshot Ingestion Pipeline Without Kafka

A pragmatic backend write-up about using Postgres as a lightweight staging and coordination mechanism for a snapshot ingestion pipeline, without introducing Kafka before the workload requires it.

May 21, 2026

19 minute

backend java spring-boot postgres distributed-systems system-design reliability

Lost in the Clouds: Automating Deployments with AWS, Terraform, and GitHub Actions

August 2026 update: This article documents a reproducible pre-production/lab deployment, not a production-ready environment. The …

October 15, 2025

15 minute

AWS Terraform Infrastructure as Code IaC GitHub Actions CI/CD ECS Fargate RDS MSK Kafka Spring Boot Cloud Deployment DevOps Portfolio

Scaling Order Tracking with Kafka, Domain Events, and Auto-Ingestion

We moved from a synchronous REST insert to an event-driven pipeline: batch POST → domain events → private Kafka topic → consumer maps back to domain and processes as before. Here’s the why, the how, and the code.

September 22, 2025

6 minute

kafka redpanda spring-boot ddd hexagonal testcontainers docker-compose