HMHasan.dev
Available for Q3 2026 — Remote / BD

Building

Helping businesses turn ideas into reliable web and mobile applications through clean code, scalable architecture, and modern technologies.

Start a project
~/Hasan
$ whoami
→ full‑stack & android engineer · systems architect
$ stack --primary
→ TypeScript · Next.js · Firebase · Node · MongoDB · JetPack Compose
$ status
→ turning complex visions into digital reality
Hasan Mahmud Portrait
0+
Years Experience
0
Projects Complete
0+
Clients reached
0%
System Reliability
Web Apps✦Android Apps✦SaaS Products✦Business Solutions✦REST APIs✦Digital Products✦
Web Apps✦Android Apps✦SaaS Products✦Business Solutions✦REST APIs✦Digital Products✦
⟶ 01 / Selected Work

RecentSelected Work

TerraWhales preview 1
1 / 4
Finance · 2024

TerraWhales

Investment management and capital growth platform tailored for a UK-based financial institution.

ReactNode.jsMongoose
Insight · Finance · 2024

TerraWhales

Challenge

Building a complex investment application during early career phases while managing unstable, newly released UI libraries.

UK Market
Region
Secure
Compliance
Optimized
Data Pipeline
Back
Deep Dive
ApexDigital Solutions preview 1
1 / 4
Agency · 2026

ApexDigital Solutions

A premium agency platform offering web development, video production, and marketing consultation with custom dashboard capabilities.

ReactNode.jsExpress
Insight · Agency · 2026

ApexDigital Solutions

Challenge

Integrating legacy payment APIs while managing highly customized, intensive UI animations and real-time support threads seamlessly.

Active
Real-time Support
60 FPS
UI Smoothness
bKash Live
Gateways
Back
Deep Dive
Chahida preview 1
1 / 4
E-Commerce · 2026

Chahida

Next-generation multi-vendor organic e-commerce ecosystem powered by an automated AI administration suite.

Next.js 16TypeScriptNode.js
Insight · E-Commerce · 2026

Chahida

Challenge

Adopting high-level static typing architecture for a production-grade live store while integrating AI modules into vendor flows.

100% TS
Type Safety
Multi-Vendor
Architecture
Integrated
AI Core
Back
Deep Dive
ConsoleBuySell preview 1
1 / 4
Marketplace · 2026

ConsoleBuySell

A high-performance gaming marketplace featuring live bidding and real-time trade orchestration via WebSockets.

ReactNode.jsSocket.io
Insight · Marketplace · 2026

ConsoleBuySell

Challenge

Traditional marketplaces lacked the real-time urgency and trust required for high-value console bidding and secure peer-to-peer trading.

<100ms
Latency
4.9/5
UX Rating
VPS/Nginx
Deployment
Back
Deep Dive
One37 Security preview 1
1 / 4
Security · 2024

One37 Security

High-end corporate website featuring advanced identity security and system vulnerability analytics visualizations.

ReactTailwind CSSFigma-to-Code
Insight · Security · 2024

One37 Security

Challenge

Transforming dense, highly complex architectural layouts from abstract security mockups into high-performance web pages.

100%
Figma Precision
Fluid
Responsive
98%
SEO Score
Back
Deep Dive
BibahaShaadi preview 1
1 / 4
Matrimony · 2026

BibahaShaadi

A modern matrimonial matching platform featuring multimedia verification, interest targeting, and direct peer communication.

ReactNode.jsMongoDB
Insight · Matrimony · 2026

BibahaShaadi

Challenge

Managing erratic scope changes while building an advanced, non-traditional user interface layouts for matchmaking metrics.

<150ms
Chat Latency
Bento Core
Grid Layout
Cloud-Linked
Media Engine
Back
Deep Dive
Sarwar Mahmud preview 1
1 / 4
Bespoke · 2025

Sarwar Mahmud

A bespoke full-stack interactive portfolio for a banking official, incorporating certification systems and financial calculations.

ReactNode.jsExpress
Insight · Bespoke · 2025

Sarwar Mahmud

Challenge

Developing an autonomous dynamic evaluation/quiz system that securely computes scores and unlocks downloadable credentials.

Quiz Engine
App Module
Finance Custom
Calculators
Cert Gen
Automation
Back
Deep Dive
Pramanic Furniture preview 1
1 / 4
Retail · 2025

Pramanic Furniture

E-Commerce store offering high-end custom woodworking and personalized corporate furniture configuration workflows.

MERN StackTailwind CSSRedux Toolkit
Insight · Retail · 2025

Pramanic Furniture

Challenge

Designing and releasing an uncompromised custom e-commerce solution under an extremely accelerated development window.

72 Hours
Build Velocity
Custom
Order Pipeline
NoSQL Mapped
Database
Back
Deep Dive
⟶ 02 / Toolkit

A stack tuned for speed and craft.

96%

Frontend Mastery

React, Next.js, TanStack, Vue. Pixel‑perfect, accessible UIs.

90%

Backend & Data

Node, Rust, Postgres, Redis, event‑driven systems.

94%

Motion / GSAP

ScrollTrigger, SVG, WebGL choreography.

82%

DevOps

AWS, Vercel, Docker, CI/CD pipelines.

92%

Design Systems

Tokens, accessibility, theming at scale.

88%

Performance

Core Web Vitals, edge rendering, bundle surgery.

"Hasan delivered our redesign two weeks early — and it shipped flawlessly."

— Lena Park, VP Product · Helio

12+

Open‑source libraries maintained

⟶ 03 / Experience

A decade in motion.

2025 — Now

Principal Engineer — Independent

Partnering with venture‑backed teams on launch‑critical web platforms.

2024 — 2025

Staff Frontend Engineer — Auroraxia

Owned the dashboard rewrite. Led a team of six. Shipped weekly.

2023 — 2024

Full Stack Engineer — Primax

Built realtime telemetry tooling. Authored the design system.

2017 — 2019

Frontend Engineer — Independent

Crafted award‑winning marketing sites for fintech and lifestyle brands.

⟶ 04 / Contact

Got a wildidea?Let's build it.

hasan.2mahmud22@gmail.com

Dhanmondi · Dhaka · Remote Worldwide