Hadid Billa

Senior Frontend Developer

Based in Dhaka, Bangladesh

Hadid Billa

15+

SaaS projects

4.5+

years of experience

10K+

active users served


“I build scalable, high—performance SaaS platforms and web applications that help businesses grow.”

Augmentive
Pengine SaaS POD
TaskGrid
Boost UGC
Render Engine
Athlete's Thread
Egshop
Craft Music
TuckerLaw

about

about
me

Hadid Billa

How
Do I Work

01

I focus on scalability, performance, and user experience — starting with your business goals.

02

Then delivering high-performance web applications through research, design, development, and optimization.

My
Skills

01

Frontend Development

95%

02

Performance Optimization

92%

03

SaaS Architecture

90%

04

State Management

90%

05

Team Leadership

88%

06

API Integration

85%

My
Tech Stack

tool
tool
tool
tool
tool
tool
tool
tool
tool
tool
tool
tool
tool
tool
tool
tool

My
Experience

available for work

2021 - Present

2021 - Present

Senior Frontend Developer

Genesys Software, Dhaka

Jun 2021 - Aug 2021

Jun 2021 - Aug 2021

Frontend Developer (Intern)

CircledI, Dhaka

2019 - 2023

2019 - 2023

BSc in Computer Science & Engineering

Daffodil International University

what
clients say

4.5 Average Rating

5

01

I've been using for over a 3 monthes now, The user interface is intuitive and the feature

John William

upwork client

4.7

02

You are really professional one and i am so happy of working with you, Thanks

James Mark

CEO of company

5

03

Your themes really amazing and inspiring me, I am goning to work with you again

Ahmed Belal

front-end dev

5

04

High quality support and work I am so happy of working with you, Thank you a lot!

Olivia Michael

freelancer client

4.5

05

Sleek work, time saver, and really inspiring me, I am goning to work with you again, Thanks

Emma Daniel

UI/UX designer

5

01

I've been using for over a 3 monthes now, The user interface is intuitive and the feature

John William

upwork client

4.7

02

You are really professional one and i am so happy of working with you, Thanks

James Mark

CEO of company

5

03

Your themes really amazing and inspiring me, I am goning to work with you again

Ahmed Belal

front-end dev

5

04

High quality support and work I am so happy of working with you, Thank you a lot!

Olivia Michael

freelancer client

4.5

05

Sleek work, time saver, and really inspiring me, I am goning to work with you again, Thanks

Emma Daniel

UI/UX designer

5

01

I've been using for over a 3 monthes now, The user interface is intuitive and the feature

John William

upwork client

4.7

02

You are really professional one and i am so happy of working with you, Thanks

James Mark

CEO of company

5

03

Your themes really amazing and inspiring me, I am goning to work with you again

Ahmed Belal

front-end dev

5

04

High quality support and work I am so happy of working with you, Thank you a lot!

Olivia Michael

freelancer client

4.5

05

Sleek work, time saver, and really inspiring me, I am goning to work with you again, Thanks

Emma Daniel

UI/UX designer

5

01

I've been using for over a 3 monthes now, The user interface is intuitive and the feature

John William

upwork client

4.7

02

You are really professional one and i am so happy of working with you, Thanks

James Mark

CEO of company

5

03

Your themes really amazing and inspiring me, I am goning to work with you again

Ahmed Belal

front-end dev

5

04

High quality support and work I am so happy of working with you, Thank you a lot!

Olivia Michael

freelancer client

4.5

05

Sleek work, time saver, and really inspiring me, I am goning to work with you again, Thanks

Emma Daniel

UI/UX designer


“I build scalable, high—performance SaaS platforms and web applications that help businesses grow.”

Featured
01 — 09 Work

services

01 — 06

Services

SaaS Application Development

01

Let's work

SaaS Application Development

I build scalable, multi-tenant SaaS platforms with complex features handling thousands of concurrent users. From RBAC systems to financial management, I deliver enterprise-grade solutions using Vue.js, Nuxt.js, React, and Next.js.

Frontend Architecture

02

Let's work

Frontend Architecture

I design and implement robust frontend architectures with advanced code splitting, lazy loading, and bundle optimization. I establish coding standards and best practices that reduce production bugs and improve team velocity.

API & Third-Party Integration

03

Let's work

API & Third-Party Integration

I seamlessly integrate third-party services like Stripe payments, Twilio video calls, Stream Chat, Algolia and TypeSense search into your web applications to enhance functionality and deliver rich user experiences.

Shopify App Development

04

Let's work

Shopify App Development

I develop custom Shopify apps and themes using Next.js, Node.js, and Express.js. From product grouping apps to collection management tools, I build solutions that help merchants grow their businesses.

Performance Optimization

05

Let's work

Performance Optimization

I analyze and optimize your website or application to improve load times, responsiveness, and overall performance. By implementing advanced code splitting, lazy loading, and bundle optimization, I ensure your site delivers a fast user experience.

Team Mentorship & Code Review

06

Let's work

Team Mentorship & Code Review

I mentor junior developers and conduct comprehensive code reviews to maintain exceptional code quality. I establish industry-leading coding standards that reduce bugs and improve team productivity.

01 — 06

services

Services


Let's Talk

Let's Work

Let's Talk

Let's Work

Let's Talk

Let's Work

Let's Talk

Let's Work

Let's Talk

Let's Work

Let's Talk

Let's Work

Let's Talk

Let's Work

Let's Talk

Let's Work

✺ Interested inworking with
me
?

project tags

SaaShealthcarefront-endback-end

about work

A comprehensive Healthcare & Mental Health (ADHD) SaaS application built for seamless patient-practitioner experiences.

  • Dual-Role Dashboard: Separate flows for practitioners (specialists) and clients (patients) with role-based routing and middleware.
  • Appointment Booking: End-to-end booking featuring specialist selection, service/consultation type, payment confirmation, and redirects to appointment details.
  • Calendar & Availability: Practitioner availability settings, interactive calendar views (V-Calendar, Vue-Cal), and availability-driven slot selection for booking.
  • Video Consultations: Twilio-based 1:1 and group video calls with waiting rooms, mute/camera controls, and a dedicated client-only waiting experience.
  • Payments: Deep Stripe integration supporting card payments, saved payment methods, Apple Pay / Google Pay / Link, payment intents, and advanced billing/subscription management.
  • Messaging: Stream Chat integration for real-time, secure text communication between practitioners and clients.

tools

vuejs
nuxtjs
ts
tailwind