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Asaduzzaman Pavel

Senior Backend Engineer with over 15 years of experience specializing in Go, Node and PHP. Explore my portfolio of scalable web applications and open-source projects.

Location Dhaka, Bangladesh Joined Joined on  Personal website https://iampavel.dev
Twenty Years Since My First PHP Script
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Twenty Years Since My First PHP Script

#php #webdev #programming #career
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4 min read
Atomic Operations in Go
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Atomic Operations in Go

#go #concurrency #performance
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3 min read
Home Assistant Works Great Until It Doesn't: 10 Years of Lessons
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Home Assistant Works Great Until It Doesn't: 10 Years of Lessons

#homeautomation #homeassistant #iot #zigbee
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10 min read
The Only Prometheus Metrics I Actually Alert On
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The Only Prometheus Metrics I Actually Alert On

#prometheus #grafana #monitoring #sre
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7 min read
The Meta Tags That Matter (And the JSON-LD That Gets You Cited)
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The Meta Tags That Matter (And the JSON-LD That Gets You Cited)

#seo #jsonld #metatags #structureddata
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7 min read
NixOS vs Traditional Linux: Why I Made the Switch and What I Learned
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NixOS vs Traditional Linux: Why I Made the Switch and What I Learned

#nixos #linux
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6 min read
Notes on Testing: Why I Prefer Testcontainers Over Mocks
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Notes on Testing: Why I Prefer Testcontainers Over Mocks

#testing #go #backend #docker
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3 min read
Deploying SvelteKit to Cloudflare Workers for Free
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Deploying SvelteKit to Cloudflare Workers for Free

#sveltekit #cloudflare #deployment #tutorial
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5 min read
SSH Config: From Spaghetti to Sanity
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SSH Config: From Spaghetti to Sanity

#ssh #productivity #backend
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3 min read
Notes on Rolling Checksums: A Weekend with rsync's Adler32
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Notes on Rolling Checksums: A Weekend with rsync's Adler32

#go #algorithms #rsync
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3 min read
How I Organized over 100 NixOS Modules Without Going Crazy
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How I Organized over 100 NixOS Modules Without Going Crazy

#nixos #architecture #flakeparts
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4 min read
Reproducible Dev Environments with Nix and direnv
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Reproducible Dev Environments with Nix and direnv

#nixos #development #workflow
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6 min read
Neovim Keybindings and My Workflow
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Neovim Keybindings and My Workflow

#neovim #workflow
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2 min read
I Assumed SvelteKit 5 Would Just Work. I Was Wrong About the Mental Model.
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I Assumed SvelteKit 5 Would Just Work. I Was Wrong About the Mental Model.

#svelte #sveltekit #migration #javascript
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5 min read
How to Actually Read Nix Error Messages (Without Crying)
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How to Actually Read Nix Error Messages (Without Crying)

#nixos #debugging #tutorial
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8 min read
How I Actually Structure My Go Services
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How I Actually Structure My Go Services

#go #microservices #backend
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3 min read
Multi-Agent Orchestration in Go
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Multi-Agent Orchestration in Go

#go #ai #langchaingo #agents
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14 min read
Building Tool-Using AI Agents in Go with LangChainGo
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Building Tool-Using AI Agents in Go with LangChainGo

#go #ai #langchaingo #agents
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4 min read
Go 1.26 new(expr) and the pointer problem I thought was solved
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Go 1.26 new(expr) and the pointer problem I thought was solved

#go #go126 #development
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1 min read
Notes on My First Factorio Mod: Why I Stopped Trusting the Shift-Click Dance
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Notes on My First Factorio Mod: Why I Stopped Trusting the Shift-Click Dance

#factorio #lua #modding
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3 min read
How I Built a Factorio 'Auto Mall' Generator in Go
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How I Built a Factorio 'Auto Mall' Generator in Go

#go #factorio #automation
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3 min read
Building My First Custom Mechanical Keyboard
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Building My First Custom Mechanical Keyboard

#keyboard #keychron
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4 min read
Practical Notes on DRY: Why I'm Okay with a Little Duplication
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Practical Notes on DRY: Why I'm Okay with a Little Duplication

#architecture #backend #productivity
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2 min read
Cloudflare Workers: What I Learned Building With Them
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Cloudflare Workers: What I Learned Building With Them

#serverless #cloudflare #edge
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3 min read
GitHub PR Checkout: Two Methods That Actually Work
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GitHub PR Checkout: Two Methods That Actually Work

#github #git #workflow #codereview
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3 min read
Notes on My Blog's 'Self-Publishing' Pipeline
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Notes on My Blog's 'Self-Publishing' Pipeline

#sveltekit #automation #githubactions #nix
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3 min read
Bash Shortcuts I Use Every Day
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Bash Shortcuts I Use Every Day

#bash #shortcuts
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4 min read
Bash Essential Aliases and Functions
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Bash Essential Aliases and Functions

#bash #linux #cli #productivity
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10 min read
AI-Built Apps Are Breaking Businesses
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AI-Built Apps Are Breaking Businesses

#engineering #consultancy #business
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3 min read
Go Bitwise Flags and Bitmasks: Configuration Pattern Guide
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Go Bitwise Flags and Bitmasks: Configuration Pattern Guide

#go #bitwise #bitmask #patterns
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7 min read
tmux + Neovim + AI: My tdev Workflow for AI-Powered Development Sessions
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tmux + Neovim + AI: My tdev Workflow for AI-Powered Development Sessions

#tmux #neovim #opencode #nixos
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4 min read
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