Cloud 4

Xfina: One Rust Core, Five Interfaces — Building a Privacy-First Financial Statement Parser

Parsing Indian financial statements locally with Rust, WebAssembly, and a single shared core across Rust, Python, JavaScript, CLI, and the web.

Blog Aug 8, 2026 12 min read

Building Truly Serverless Big Data Pipelines: Scaling with AWS Lambda and Step Functions

How to build an N-stage Driver/Executor model using AWS Lambda and Step Functions that handles massive batch and micro-batch workloads without a single dedicated server, eliminating cluster maintenance and scaling instantly to zero

Blog Apr 23, 2026 9 min read

AWS Cloud Data Engineering Design Go Lambda Serverless

The Uber Binary Pattern in Go: Build Once, Run Everywhere

How using a single uber binary with symbolic links can reduce container image size, build time & build infrastructure costs and image initialization time for Go applications across server/serverless deployment modes

Blog Jan 10, 2026 9 min read

Cloud Design Docker Go Optimization

Responsive exponential backoff in Go

using exponentially scaling up and down the sleep time

Blog Nov 13, 2022 6 min read

Go Exponential Backoff Sleep Code Cloud DynamoDB