Blog by Sumonta Saha Mridul

How I Became a Claude Certified Architect as a Junior Developer (Complete Road Map)
AI & ProductivityMedium
Sumonta Saha Mridul
Sep 15, 2026
16 min read

How I Became a Claude Certified Architect as a Junior Developer (Complete Road Map)

I recently passed the Claude Certified Architect — Foundations (CCA-F) certification with a score of 815/1000 as the most junior member in my company…

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#Claude#AI#Certification#Agentic Development
I built a VSCode extension: Git Worktree Switcher
Software DevelopmentDev.to
Sumonta Saha Mridul
Sep 13, 2026
2 min read

I built a VSCode extension: Git Worktree Switcher

Over the past few months, I’ve been exploring agentic AI development and working on multiple features...

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#VS Code#Git#AI#Automation
WN #9: Engineers Don’t Manage Time Perfectly. They Manage Burnout, Energy, and Expectations.
Life & CareerMedium
Sumonta Saha Mridul
Jun 8, 2026
6 min read

WN #9: Engineers Don’t Manage Time Perfectly. They Manage Burnout, Energy, and Expectations.

I don’t manage time perfectly. I manage burnout, energy, and expectations.

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#Time Management#Burnout#Life Lesson#Newsletter
Weekly Newsletter #8: Why did I stop writing?
Life & CareerMedium
Sumonta Saha Mridul
Jun 1, 2026
5 min read

Weekly Newsletter #8: Why did I stop writing?

On June 1, today marks almost officially one year for me at Cefalo Bangladesh Ltd.

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#Cefalo Journey#Writing#Life Lesson#Newsletter
Thoughts on AI: আলভী দ্রুত কাজ আর প্রজেক্ট ডেলিভার করছে… কিন্তু সে কি সত্যিই বুঝছে?
AI & ProductivitySubstack
Sumonta Saha Mridul
Apr 9, 2026
6 min read

Thoughts on AI: আলভী দ্রুত কাজ আর প্রজেক্ট ডেলিভার করছে… কিন্তু সে কি সত্যিই বুঝছে?

AI everywhere. Every conversation, every post… AI. Even my current blogs is also modified by AI ):

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#AI#Learning#Bangla
What is publication context-based configuration?
Software EngineeringMedium
Sumonta Saha Mridul
Mar 31, 2026
9 min read

What is publication context-based configuration?

How we Stopped maintaining 10 Repositories for 10 Websites

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#Architecture#Configuration#Multi-site#Cefalo Journey
Why Multitasking is More Dangerous Than You Think?
ProductivityMedium
Sumonta Saha Mridul
Feb 5, 2026
3 min read

Why Multitasking is More Dangerous Than You Think?

One of the most common habits we fall into is multitasking. I’ve always done it, working on multiple projects at the same time, thinking it made me more productive.

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#Productivity#Focus#Life Lesson
Stop Using fetch in Nuxt (And What to Use Instead)
Web DevelopmentSubstack
Sumonta Saha Mridul
Jan 18, 2026
3 min read

Stop Using fetch in Nuxt (And What to Use Instead)

If you are coming from standard Vue.js or React, your muscle memory probably types this without thinking:

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#Nuxt#Vue#Data Fetching
WTF Java #2 : Why is String So Weird? (A Beginner’s Guide)
Software DevelopmentSubstack
Sumonta Saha Mridul
Jan 16, 2026
4 min read

WTF Java #2 : Why is String So Weird? (A Beginner’s Guide)

Welcome back to WTF Java , the series where I document my journey of learning Java from a beginner’s perspective, sharing weird Java concepts and their common use cases.

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#Java#Strings#WTF Java
WTF Java #1: How a Simple "Early Return" Saved 1ms Runtime(And Why It Matters)
Software DevelopmentSubstack
Sumonta Saha Mridul
Jan 10, 2026
3 min read

WTF Java #1: How a Simple "Early Return" Saved 1ms Runtime(And Why It Matters)

I’m currently learning Java. Because I’m busy with my client projects, it’s been difficult to study Java in a structured way.

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#Java#Problem Solving#WTF Java
How to Create "Your Own Style" Professional Infographics with Google Gemini (Prompt Guide)
AI & ProductivitySubstack
Sumonta Saha Mridul
Jan 8, 2026
6 min read

How to Create "Your Own Style" Professional Infographics with Google Gemini (Prompt Guide)

Master New Gemini Infographics!

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#Gemini#AI#Infographics#Prompting
I Wish I Knew Earlier!
Life & CareerMedium
Sumonta Saha Mridul
Dec 24, 2025
4 min read

I Wish I Knew Earlier!

It’s been a while since I last wrote something. This blog had actually been pending for the past 2–3 months. I started writing it many times, but somehow I kept getting distracted and stopped halfway.

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#Career#Job Interview#Life Lesson
What is Varnish? How High Traffic Website like Newspaper so Loads Fast?
Web DevelopmentMedium
Sumonta Saha Mridul
Dec 16, 2025
4 min read

What is Varnish? How High Traffic Website like Newspaper so Loads Fast?

I am currently working in an OG team where I’m learning a lot. Our team works for a media group, handling one of the most popular newspapers and news portals in Norway.

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#Varnish#Caching#Performance#Traffic Handling
How to Apply to Cefalo as a Fresher?
Life & CareerSubstack
Sumonta Saha Mridul
Nov 28, 2025
2 min read

How to Apply to Cefalo as a Fresher?

There are three main ways to get into Cefalo as a fresher: Direct Application through Career Page

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#Cefalo#Job Interview#Fresher
How I Escaped Tutorial Hell Switching to New Stack (Vue + Java) | Using AI as My Mentor
Dev ThoughtsMedium
Sumonta Saha Mridul
Nov 23, 2025
10 min read

How I Escaped Tutorial Hell Switching to New Stack (Vue + Java) | Using AI as My Mentor

Switching Tech Stack (3–4 years) React to Vue and Express / Nest.js to Java

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#Tutorial Hell#AI#Vue#Java
What I Learned from 1 Year as a Software Developer?
Software DevelopmentMedium
Sumonta Saha Mridul
Nov 10, 2025
9 min read

What I Learned from 1 Year as a Software Developer?

Key takeaways and insights from Sumonta Saha Mridul’s first year as a software developer, aimed at freshers.

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#Software Engineering#Career Insights#Developer Experience
EPIC Career Talk #1: Do I Even Have a Passion?
Life & CareerMedium
Sumonta Saha Mridul
Oct 24, 2025
7 min read

EPIC Career Talk #1: Do I Even Have a Passion?

Exploring the meaning of passion, career, and success, with reflective questions to help readers understand themselves better.

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#Life Lessons#Career Guidance#Self-Reflection
Weird JS — 2 (Falsy Values): Why Not to Use “!”, “==” and “===”?
JavaScriptMedium
Sumonta Saha Mridul
Oct 20, 2025
7 min read

Weird JS — 2 (Falsy Values): Why Not to Use “!”, “==” and “===”?

A deep dive into JavaScript’s falsy values, type coercion, and the differences between !, ==, and ===, with practical advice to avoid subtle bugs.

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#JavaScript#Type Coercion#Falsy Values
My Code Review Experience as a Junior Developer: What I Learned and How to Review as a Team?
Dev ThoughtsMedium
Sumonta Saha Mridul
Sep 26, 2025
8 min read

My Code Review Experience as a Junior Developer: What I Learned and How to Review as a Team?

Sharing my journey as a junior developer navigating code reviews and the valuable lessons learned along the way.

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8.0K
#Code Review#Cefalo Journey#Development#Junior Developer
A Day Without AI: Seems Like I Lost My Brain? My Thoughts
Dev ThoughtsMedium
Sumonta Saha Mridul
Sep 23, 2025
6 min read

A Day Without AI: Seems Like I Lost My Brain? My Thoughts

Exploring a day in my life without AI tools and how it impacts my productivity and creativity.

500k
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3.2K
#AI#Productivity#Copilot#ChatGPT

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My Code Review Experience as a Junior Developer: What I Learned and How to Review as a Team?

My Code Review Experience as a Junior Developer: What I Learned and How to Review as a Team?

Sharing my journey as a junior developer navigating code reviews and the valuable lessons learned along the way.

200k
35
8.0K
Sumonta Saha Mridul•Medium

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A Day Without AI: Seems Like I Lost My Brain? My Thoughts

A Day Without AI: Seems Like I Lost My Brain? My Thoughts

Exploring a day in my life without AI tools and how it impacts my productivity and creativity.

500k
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3.2K
Sumonta Saha Mridul•Medium
Sumonta Saha Mridul

Sumonta Saha Mridul

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