Backend Engineering Blog - SayBackend

happymode: a tiny macOS menu bar app that keeps Dark Mode on schedule
A behind-the-scenes look at happymode: a native macOS menu bar utility that switches system appearance using sunrise/sunset (no external APIs) or custom daily times, with a weekly preview and permission-aware UX.
macos
I Built happycontext: Wide Logging for Go with Router + Logger Adapters
A practical deep dive into happycontext, a Go wide-logging library that emits one structured event per request with support for slog, zap, zerolog, and net/http, gin, echo, and fiber integrations.
golang
Recreating PlanetScale's pg_strict in Rust: A Build Log
A detailed build log of cloning PlanetScale's pg_strict in Rust. From the pitfalls of sqlparser and executor hooks to the zero-overhead solution using Postgres' native post_parse_analyze_hook.
postgres
January 2026 Changelog
Theme management, Mermaid diagrams, and infrastructure improvements.
changelog
Updated now: Share Zustand State via URL (Copyable Links)
Updated for Zustand v5: persist state in the URL hash so users can copy, share, and restore app state across sessions.
docs

2025

PostgreSQL UUIDv7 Performance Benchmark: Native vs Custom Implementations
Comprehensive analysis of modern time-ordered identifiers in PostgreSQL: UUIDv7, ULID, and TypeID implementations with real performance benchmarks, PostgreSQL 18 native support, and practical recommendations for choosing the right identifier for your project.
postgres
Text Chunking for RAG Systems: How to Make AI Understand Documents Better
Learn how to break down text effectively for Retrieval-Augmented Generation (RAG) systems. From simple character-based splits to AI-powered adaptive chunking, discover the best strategies to improve retrieval accuracy and context understanding.
rag
Running Kafka Locally with Docker and KRaft Mode
Learn how to set up and run Apache Kafka locally using Docker with the new KRaft mode, eliminating the need for Zookeeper.
kafka

2024

Deploying a Next.js App to Production in any server
Build a docker image of your nextjs app that can be deployed to any server, without any propreitary cloud provider lock-in.
nextjs
Building an App with Next.js and Electron with Server Components Support
Learn how to build an app with Next.js and Electron with Server Components support
electron
Best Dockerfile for Golang, Optimize Your Dockerfile
Create best Dockerfile for Golang, optimize your Dockerfile for Golang and make it blazingly fast! 🔥
docker
Everything new in Saybackend Blog
Features, enhancements, and changes.

Available for immediate hire

Kamran Tahir

Senior Software Engineer with 6+ years building backend platforms and product-facing systems. I am actively interviewing for Backend, Full-Stack, and Frontend Engineering roles across web products and platform teams.

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Engineering blog exploring backend systems, DevOps, and structural data.

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happymode: a tiny macOS menu bar app that keeps Dark Mode on schedule

I Built happycontext: Wide Logging for Go with Router + Logger Adapters

Recreating PlanetScale's pg_strict in Rust: A Build Log

January 2026 Changelog

Updated now: Share Zustand State via URL (Copyable Links)

PostgreSQL UUIDv7 Performance Benchmark: Native vs Custom Implementations

Text Chunking for RAG Systems: How to Make AI Understand Documents Better

Running Kafka Locally with Docker and KRaft Mode

Deploying a Next.js App to Production in any server

Building an App with Next.js and Electron with Server Components Support

Best Dockerfile for Golang, Optimize Your Dockerfile

Everything new in Saybackend Blog