Selim | A Wanderer

You may know me as Mishu — a nickname. Or perhaps as Selim M Mishu. My name was placed by someone my parents deeply revered; the nickname, by my aunt. Carrying both never quite gave me the chance to tell the whole story — until now.

Contents

IPremise
IIVentures & Projects
IIIIn Practice
IVMarginalia
VCredentials
VICollaborate
VIICorrespondence

DescendI — VII

Contents

IPremise
IIVentures & Projects
IIIIn Practice
IVMarginalia
VCredentials
VICollaborate
VIICorrespondence

DescendI — VII

Premise

The philosophy, the discipline, and the founder behind the work.

Good software does not clamor for attention; it simply endures. I founded Intactic on the conviction that digital systems should be constructed like sound architecture — with structural integrity, quiet speed, and uncompromising craft.

I am the founder and software architect of Intactic, a technology startup and engineering firm. We design and construct resilient digital infrastructure, high-concurrency systems, and custom operational platforms for ambitious enterprises that require dependability at scale.

In an industry often distracted by hasty prototypes and disposable code, our discipline is deliberate: understand the operational spine of the business first, model clean data architectures, and build software that performs quietly and reliably when no one is watching.

Ventures & Projects

Intactic, engineering architecture, and digital tools built under its banner.

Intactic is a specialized software engineering firm and digital venture studio. We architect durable digital infrastructure, solve operational friction for growing enterprises, and build mission-critical systems designed to endure.

Explore Intactic

Capabilities

What We Build & Engineer

End-to-end technical execution

Custom Software & Cloud Systems

High-concurrency web platforms, mobile applications (iOS & Android), and resilient cloud infrastructures engineered for stability, speed, and heavy traffic.

Intelligent Automation & Applied AI

Integrating advanced language models, agentic workflows, and automated pipelines directly into core operations to eliminate friction and scale leverage.

Enterprise ERPs & Operational Cores

Purpose-built ERPs, point-of-sale systems, supply chain trackers, and internal operational tooling designed as the dependable backbone of modern enterprises.

Digital Products & Transaction Engines

End-to-end digital commerce platforms, secure global payment integrations, and high-conversion architectures built to turn customer trust into lasting value.

Proprietary Builds

Featured Projects

Digital tools & platforms

Local-First · Live

Pdfing Pro

100+ Free & Privacy-First PDF Tools

A comprehensive suite of over a hundred PDF tools running locally on the user’s machine. Files never leave the browser, ensuring absolute data privacy.

pdfing.pro.bdVisit Project

In Development

Intin AI

Agentic AI & LLM Developer Workspace

A heavy-duty AI chatbot and agentic platform powered by state-of-the-art models via direct APIs. Built to enable serious development work even from a mobile phone.

intin.devVisit Project

III

In Practice

What occupies the desk, and the hours away from it.

01Discipline

Architectural Permanence

Longevity over novelty

Software built backwards from core operational realities, avoiding disposable abstractions and premature technical debt.

02Discipline

Quiet Performance

Sub-second determinism

Low latency, lean memory footprints, and deterministic state transitions engineered for heavy concurrent usage.

03Discipline

Deep Ergonomics

Clarity over decoration

Interfaces and technical workflows designed with quiet intent, high precision, and zero extraneous noise.

04Discipline

Continuous Craft

Computing fundamentals

Rigorous code review, automated verification, and the steady pursuit of foundational computer science discipline.

We are what we repeatedly do — a study in philosophy.

Currently: Engineering Intactic and scaling resilient SaaS & high-concurrency platforms.
Reading: Designing Data-Intensive Applications, and quiet .
Watching: Cinema, architectural essays, and quiet studies.
Somewhere: Dhaka, Bangladesh

Pocket Watch

Notes I keep, mostly to myself. Select one to read in full.

Note · 01Read note→

Build what you would use for a decade.

Build what you would use for a decade. Then keep using it.

Note · 02Read note→

Credentials

A live record from GitHub, and verified certifications from HackerRank.

GitHub — achievements

github.com/abumdselim

Contributions
Current streak
Longest streak
Followers

Certifications — verified

HackerRank badges

Python5 stars
Problem Solving3 stars

Full HackerRank profile

Collaborate with Me

If you see a fit — in work, in thought, or in building something that matters.

I work best with people who care about the same things I do — craft, quiet precision, and building things that last. If you have an idea, a project, or a question about working together, I would like to hear it.

Write me a letter through the Correspondence section below, or reach me directly. Serious inquiries, wild ideas, and quiet proposals — all are welcome.

VII

Correspondence

Direct dispatches, inquiries, and open exchanges.

Find me, wherever I am. Or write me a letter.

Anonymous is welcome — sign it, or don't.