I will build full stack web applications and custom websites

H
hasin_mahir
H
hasin_mahir
Mahir

Level 2

5.0
5.0
build full stack web applications and custom websites
Full Screen
build full stack web applications and custom websites
Full Screen
Full Screen
build full stack web applications and custom websitesbuild full stack web applications and custom websitesbuild full stack web applications and custom websites

About this gig

Hi, I'm Mahir - a full-stack developer who turns complex ideas into production-ready web applications. Whether you're building a SaaS platform from scratch, scaling an existing system, or adding AI capabilities to your product, I handle the full picture from database design to deployment.


What I Build For You:

  • Custom web apps & SaaS platforms (Django, FastAPI, Node.js)
  • Fast, responsive frontends (React, Next.js)
  • REST & GraphQL APIs built for scale
  • Secure authentication systems (JWT, OAuth)
  • Payment & subscription integrations (Stripe, paywalls)
  • Advanced database architecture (PostgreSQL, MySQL, MongoDB)
  • Background jobs & workflow automation (Celery, Redis)
  • Web scraping & data pipeline tools
  • Cloud deployment & containerization (AWS, Docker, Kubernetes)
  • AI-powered features (RAG pipelines, GPT integrations, vector search)


Tech Stack:

  • Backend: Python, Django, FastAPI, Golang, SQLAlchemy
  • Frontend: React, Next.js, TailwindCSS
  • Databases: PostgreSQL, MySQL, MongoDB
  • DevOps: Docker, Kubernetes, Nginx, AWS


I focus on writing clean, maintainable code and delivering systems that are secure, scalable, and built to grow with your business not just something that barely works.

Have a project in

  • Website type

    • Business

  • Programming language

    • HTML & CSS
    • JavaScript
    • Python
    • React
    • Tailwind CSS

  • Website features

    • Social media
    • Analytics
    • Video
    • Form
    • Map
    • Gallery
    • Dashboard
    • Landing page
    • User Authentication
    • Admin Panel
Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Mahir

Mahir

Full Stack Software Engineer

5.0(16)

Level 2

  • FromBangladesh
  • Member sinceNov 2024
  • Avg. response time2 hours
  • Last delivery1 week

  • Languages

    English, Bengali
A software and embedded systems engineer focused on designing and building complete, production-ready systems. I work across full-stack web/mobile applications and IoT systems, combining backend architecture, dashboards, and embedded devices using ESP32, Arduino, and Raspberry Pi. My work emphasizes system design, clean implementation, and reliable deployment, ensuring solutions that scale and perform in real-world environments. If you’re looking for someone who can turn an idea into a robust, working system, let’s talk.

My Portfolio

Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • R

    realbenj1985

    Repeat Client

    GB

    United Kingdom

    5

    Hasin is an excellent freelancer and a pleasure to work with. He successfully developed a fully working app, linking to an IoT device and incorporated multiple features exactly as requested. Communication was great throughout, and he was always responsive, helpful, and willing to make improvements where...

    $100-$200

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • M
    image-docs

    mymxnaa

    Repeat Client

    BD

    Bangladesh

    5

    Absolutely outstanding work! The seller delivered a fully responsive, smooth, and beautifully designed web app that exceeded every expectation. Their attention to detail, clean code quality, and clear communication throughout the process made the entire experience effortless. They understood my requirements...

    $100-$200

    Price

    6 days

    Duration

    Helpful?
    Yes
    No
Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • R

    realbenj1985

    Repeat Client

    GB

    United Kingdom

    5

    Hasin is an excellent freelancer and a pleasure to work with. He successfully developed a fully working app, linking to an IoT device and incorporated multiple features exactly as requested. Communication was great throughout, and he was always responsive, helpful, and willing to make improvements where...

    $100-$200

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • M
    image-docs

    mymxnaa

    Repeat Client

    BD

    Bangladesh

    5

    Absolutely outstanding work! The seller delivered a fully responsive, smooth, and beautifully designed web app that exceeded every expectation. Their attention to detail, clean code quality, and clear communication throughout the process made the entire experience effortless. They understood my requirements...

    $100-$200

    Price

    6 days

    Duration

    Helpful?
    Yes
    No

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