Skip to content
kc@kumarChandrachooda.com:~$ cd /blog/archive && read --section="top" 0%
Archive

Every article

Newest first, grouped by year. Search or filter by topic.

  • 556 articles
  • 4 matching
Microservices 20 Oct 2025

The 202 That Names the Future

Pacco's async gateway answers a POST with two names - the ID a resource will have and the operation that tracks whether it ever gets it. Following both through the Redis state machine, the saga header override and the per-user SignalR push, warts and all - a five-minute memory, a 404 with three meanings, and a status API anyone can read.

Microservices 20 Oct 2025

Two Push Channels, Two Security Models

Pacco's Operations service narrates the estate twice - once over SignalR with a JWT handshake and per-user groups, once over a gRPC stream with no auth, no filtering, a per-call event-handler leak and a blocking Take. Same data, same service, two security models.

Microservices 17 Oct 2025

Two Gateways and a Nervous System

Thirteen repositories, one umbrella that runs twelve of them, two interchangeable API gateways and a service that watches everything - the Pacco estate read as a system of systems, and the fifteen-part series it earns.

Microservices 02 Oct 2025

The Push Channel Nobody Plugged In

DShop runs a whole SignalR service to push operation results to the browser in real time - JWT handshake, per-user groups, Redis backplane. No frontend connects to it, and both UIs sleep through eventual consistency instead.

Which CV would you like?

Pick the one closest to the role. Each is two pages and carries the same facts.

Applied AI

Agentic AI & Cloud Engineer · multi-agent systems, RAG and MCP on AWS

Cloud & .NET

C#, .NET 10 and ASP.NET Core microservices on AWS and Azure · Terraform & AWS CDK

Data Engineering

AWS lakehouse · Kinesis, Glue (PySpark), Apache Iceberg, Lake Formation

Everything

All three domains, with the standout project from each