MYMENSINGH, BANGLADESH

THE OFFICIAL BIOGRAPHY GAZETTE — APRIL 12, 2002 TO PRESENT

VOL. XXIV • NO. 01

S M SHAHBAJ

Software Architect, Full-Stack Developer, Mobile Systems Engineer & Music Producer based in Bangladesh.

FIG. 01 — S M SHAHBAJ (SOFTWARE ARCHITECT)

FOUNDER & ARCHITECT

S M Shahbaj (born April 12, 2002) is a Bangladeshi software architect, full-stack engineer, and mobile developer based in Mymensingh, Bangladesh. Over the past 6+ years, he has engineered distributed cloud engines, cross-platform apps, and digital agency solutions delivering scalable solutions globally.

He is the founder of Smart Web BD, a managed digital agency providing web applications, custom software architecture, and high-performance server solutions. Under his mobile software house Risha Apps, Shahbaj builds native Android, iOS, and Flutter applications.

SOFTWARE ECOSYSTEM & PRODUCTS

SHEET MANAGER

OPEN SOURCE

A high-efficiency finance tracker and open-source React Native bottom sheet UI library built for extreme performance, smooth gesture interactions, and cross-platform native feel.

GLOBALCV PRO

CAREER TECH

A professional CV and career resume builder platform empowering job seekers globally with automated formatting, ATS optimization, and instant PDF rendering engines.

PETAL KINGDOM & RUN

MOBILE GAMES

Interactive mobile game titles developed under Risha Apps featuring fluid particle mechanics, custom touch controls, and high-fps arcade physics.

MY KOREAN LOVE GAME

AI SIMULATION

An interactive AI dating simulation mobile application integrating real-time natural language processing, dynamic visual storytelling, and character state trees.

CREATIVE TECH & AUDIO PRODUCTION

MUSIC PRODUCER & COMPOSER

Beyond coding, S M Shahbaj is a music composer and electronic producer. He creates chillout, hip-hop, lo-fi, and ambient soundscapes that influence his approach to digital UI acoustics, audio synthesis, and interactive web sound design.

PRIMARY TECHNICAL STACK

REACT & REACT NATIVE TYPESCRIPT & NODE.JS GO & PYTHON JETPACK COMPOSE SWIFT & FLUTTER WEBGL & THREE.JS CLOUD ARCHITECTURE AUDIO SYNTHESIS

MANAGED VENTURES & PLATFORMS

SMART WEB BD

MANAGED DIGITAL AGENCY

Providing enterprise web application engineering, custom backend microservices, managed cloud infrastructure, and technical consulting for growing businesses.

WEB ARCHITECTURE VISIT ↗

RISHA APPS

MOBILE SOFTWARE STUDIO

Developing and publishing Android applications, mobile games, utility tools, and interactive AI simulations across digital app stores.

MOBILE ECOSYSTEM GOOGLE PLAY ↗

GLOBAL COMMISSIONS

AVAILABLE FOR PROJECTS

Open for custom software commissions, mobile app architecture, web application development, and technical direction for ambitious products worldwide.

[email protected] CONTACT ↗

REFERENCE & CLARIFICATIONS

FREQUENTLY ASKED QUESTIONS

10 ENTRIES • OFFICIAL ARCHIVE

What does S M Shahbaj do? +

He is a software architect and full-stack developer, and founder of Smart Web BD and Risha Apps.

What is Smart Web BD? +

Smart Web BD is a software development agency founded by S M Shahbaj in April 2026, providing custom web applications, mobile apps, and dedicated tech teams for clients.

Is Smart Web BD related to any other business with a similar name? +

No. Smart Web BD, founded in April 2026 by S M Shahbaj, is an independent, unrelated entity with no connection to any earlier business that used a similar name.

What is Risha Apps? +

Risha Apps is S M Shahbaj's mobile software label, publishing Android apps and games including GlobalCV Pro and several casual mobile games.

What projects has S M Shahbaj built? +

Notable projects include Xefna (AI link-in-bio platform), Sheet Manager (a local-first, zero-server-cost finance tracker and open-source UI library), XefYarn and Xef-CLI (open-source developer tools), GlobalCV Pro, and several mobile games under Risha Apps.

What technologies does S M Shahbaj specialize in? +

React, React Native, TypeScript, Node.js, Go, C++, Kotlin, and AI/LLM integration, with a focus on local-first and privacy-preserving architecture.

Does S M Shahbaj write about software? +

Yes, he publishes technical writing on Dev.to, including an article on building a local-first expense tracker with zero server costs.

Where is S M Shahbaj based? +

He is based in Mymensingh, Bangladesh.

How can someone contact S M Shahbaj? +

Via email at [email protected], or through his GitHub, LinkedIn, and Dev.to profiles.

Does S M Shahbaj do anything outside of software? +

Yes — separately from his software career, he produces independent instrumental music and is writing a novel, though software development and Smart Web BD remain his primary focus.

✦ SMART WEB BD · RISHA APPS · SHEET MANAGER · GLOBALCV PRO ✦ GET IN TOUCH — [email protected] ✦ S M SHAHBAJ — SOFTWARE ARCHITECT & CREATIVE TECHNOLOGIST

OFFICIAL WEBSITE GITHUB LINKEDIN HUGGING FACE INSTAGRAM

PORTFOLIO ARCHIVE

Web Applications &
Custom Platforms

Full-stack web applications, open-source libraries, SaaS telemetry platforms, and high-speed API integrations built with React, Next.js, TypeScript, and Node.js.

Open Source · UI Library

Sheet Manager

Cross-Platform UI Library — 2026

A local-first, 100% private personal finance and expense tracker with zero server costs, using client-side IndexedDB persistence. The codebase also powers an open-source React Native bottom-sheet UI library.

React TypeScript Virtualization Tailwind

SaaS · Digital Platform

Xefna

SaaS Platform — 2024

An AI-powered link-in-bio platform and free alternative to Linktree/Beacons. Generates unique bio pages from text prompts using Google Gemini and OpenAI.

React TypeScript Node.js Tailwind

Visit ↗

Digital Agency

Smart Web BD

Managed Digital Agency — 2025

Managed web engineering agency providing enterprise application development, cloud solutions, and technical advisory.

React Node.js Cloud Architecture

RISHA APPS STUDIO Published on Play Store

Apps &
Games Studio

High-performance native mobile software and interactive games engineered in Kotlin, Jetpack Compose, and custom game physics loops. Click any title to view full details.

Android Game · Endless Runner

Petal Run

Cozy Endless Runner — 2024

A cozy endless runner game set in a peaceful hand-drawn forest. Leap across mossy branches and collect glowing petals with lo-fi audio tracks.

Android Game Lo-Fi Audio

Android Game · RPG Sim

Petal Kingdom

Forest Kingdom Simulation — 2024

Hand-drawn forest kingdom simulation RPG. Make royal decrees, build enchanted landmarks, recruit animal ministers, and expand territories.

Simulation RPG Hand-Drawn

Android App · Productivity

GlobalCV Pro

Professional Resume Creator — 2024

Professional CV builder featuring executive resume templates, ATS-optimized formatting, real-time previews, and instant PDF export.

CV Builder PDF Export

Android Game · Visual Novel

My Korean Love Game

Interactive Romance Sim — 2024

Interactive dating simulation featuring branching story paths, real-time dynamic conversations, audio-visual romance scenes, and custom endings.

Dating Sim Visual Novel

Android Game · Arcade Strategy

Poop Panic

Comedy Toilet Tycoon — 2024

Hilarious hand-drawn toilet tycoon strategy game. Manage chaotic restroom emergencies, upgrade facilities, hire quirky staff, and expand.

Arcade Strategy Comedy Game

Native Android Stack

Kotlin 100% Type-Safe Async Code

Jetpack Compose Modern Declarative UI

Room DB Encrypted Local Database

Retrofit & Flow Reactive Networking

EXPERIMENTAL LAB

Game Mechanics &
Interactive Physics

Playable browser prototypes, logic puzzle engines, custom collision algorithms, and real-time physics particle simulations.

INTERACTIVE PLAYGROUND

Neon Gravity Particle Sandbox

Click or drag anywhere in the viewport to spawn neon physics particles and manipulate force fields!

LOGIC PUZZLE ENGINE

Risha Logic Series

Custom logic game mechanics engineered for Android and Web browsers. Features zero-garbage-collection loop algorithms to maintain steady 60fps across low-spec devices.

PHYSICS ENGINE

Spatial Collision Matrix

Spatial hashing algorithm for 2D/3D rigid body collisions, handling over 5,000 active objects in real-time browser contexts.

Amazon Available Now

Official Book Release

By SM Shahbaj. Explore the official publication available on Kindle & Paperback.

Projects

Showing all 14 projects

Open Source 2026

Sheet Manager

Cross-Platform UI Library • 2026

React Native • IndexedDB Case Study

SaaS Platform 2024

Xefna

SaaS Platform • 2024

AI Bio Pages • Full-Stack Case Study

Agency 2025

Smart Web BD

Managed Digital Agency • 2025

Enterprise • Cloud Solutions Case Study

Android Game 2024

Petal Run

Cozy Endless Runner • 2024

Cozy Runner • Google Play Case Study

Android Game 2024

Petal Kingdom

Forest Kingdom Simulation RPG • 2024

Hand-Drawn • Simulation RPG Case Study

Android App 2024

GlobalCV Pro

Professional Resume Creator • 2024

ATS Resume • PDF Engine Case Study

Android Game 2024

My Korean Love Game

Interactive Romance Sim • 2024

AI Romance • Branching Sim Case Study

Android Game 2024

Poop Panic

Comedy Toilet Tycoon • 2024

Tycoon Strategy • Comedy Case Study

Developer Tool 2025

Crucible

Developer Platform & Tools • 2025

Cloud Execution • DevTools Case Study

LLM • 0.5B 2026

Rifa-Nano-0.5B

Lightweight AI Model • 2026

Edge Inference • Hugging Face Model Info

LLM • 1.7B 2026

RIFA-FLASH-1.7B

High-Speed AI Model • 2026

Ultra-Fast • Conversational AI Model Info

LLM • 0.6B 2026

RIFA-CODE-0.6B

Coding Assistant Model • 2026

Code Generation • Assistant Model Info

LLM • 3B 2026

RIFA-PRO-3B

Professional Grade Model • 2026

Advanced Reasoning • Pro Model Info

FIELD MANUALS & CODEX

Private Library & Dispatches

A curated 3D collection of agentic manuals, software architecture dispatches, and interactive field guides by S M Shahbaj.

SHELF 01 · AGENTIC CRAFT 3 VOLUMES

DRAG OR USE

SHELF 02 · AI & SYSTEMS 3 VOLUMES

DRAG OR USE

SHELF 03 · CREATIVE CODE 3 VOLUMES

DRAG OR USE

VOLUME I · INSPECTOR

VOLUME I · CODEX

VOLUME I

Codex

Intent into implementation

EX LIBRIS · S M SHAHBAJ

"Intent transformed into verifiably crafted software."

VOLUME I · AGENTIC CRAFT

Codex

A field manual for delegating repository work to Codex: state the intent, let the agent trace the system, and trust tests and browser proof as part of the craft.

BINDING Ultramarine cloth · copper foil

FORMAT 168 × 216 mm · octavo

THEME Codex · intent into implementation

MOTIF Nested brackets

Closed

CLICK BOOK TO OPEN

PG 01 / 08

TAP TO OPEN · USE ← → TO FLIP PAGES · ESC TO RETURN

GET IN TOUCH

Let's Build Something
Extraordinary

Have a project in mind, looking for a lead architect, or want to discuss a custom build? Send a message below or email [email protected] directly.

DIRECT EMAIL

↗

[email protected]

Available for inquiries, technical consulting, and global client engagements. Click to open mail client.

LOCATION & TIMEZONE

Mymensingh, Bangladesh

Timezone: GMT+6 (Bangladesh Standard Time)

CONNECT ON SOCIALS

GitHub ↗ LinkedIn ↗ Hugging Face ↗ Instagram ↗

S M Shahbaj — Software Architect & Full-Stack Developer

SelectedWorks

Sheet Manager

Xefna

Smart Web BD

Risha Apps

RIFA Ai Family

What I Do

Web Development

UI/UX Design

3D & Motion

Brand Identity

Experience

Smart Web BD

Founder & Lead Developer

Risha Apps

Founder & Lead Architect

Independent Software Suite

UI/UX Designer

Apps & Games

Petal Run

Petal Kingdom

GlobalCV Pro

My Korean Love

Poop Panic

Let's Build Something Extraordinary

S M SHAHBAJ

FOUNDER & ARCHITECT

SHEET MANAGER

GLOBALCV PRO

PETAL KINGDOM & RUN

MY KOREAN LOVE GAME

MUSIC PRODUCER & COMPOSER

SMART WEB BD

RISHA APPS

GLOBAL COMMISSIONS

FREQUENTLY ASKED QUESTIONS

Web Applications & Custom Platforms

Sheet Manager

Xefna

Smart Web BD

Apps & Games Studio

Petal Run

Petal Kingdom

GlobalCV Pro

My Korean Love Game

Poop Panic

Native Android Stack

Game Mechanics & Interactive Physics

Neon Gravity Particle Sandbox

Risha Logic Series

Spatial Collision Matrix

Official Book Release

Projects

No Projects Found

Sheet Manager

Xefna

Smart Web BD

Petal Run

Petal Kingdom

GlobalCV Pro

My Korean Love Game

Poop Panic

Crucible

Rifa-Nano-0.5B

RIFA-FLASH-1.7B

RIFA-CODE-0.6B

RIFA-PRO-3B

No Volumes Found

Codex

Codex

Codex

Let's Build Something Extraordinary

[email protected]

Mymensingh, Bangladesh

Selected
Works

Let's Build Something
Extraordinary

Web Applications &
Custom Platforms

Apps &
Games Studio

Game Mechanics &
Interactive Physics

Let's Build Something
Extraordinary