SABBIR HOSSAIN

@mashjahan
5.0(1)

Full Stack Web and App Developer

Bangladesh
English, Bengali, Hindi
About me
Hi, I'm Sabbir— a full-stack developer specializing in the MERN stack and Flutter. I help startup founders and small businesses build fast, secure, and scalable apps — with clean code, smooth performance, and features like REST APIs, authentication, and database optimization. What you get working with me: Scalable web and mobile apps Secure authentication and REST APIs Optimized database performance I've built multiple real-world projects using modern tools and best practices, always focused on real business needs. Have an idea? Message me — I'll help you plan the best solution.... Read more

Skills

m
mashjahan
SABBIR HOSSAIN
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build a modern full stack web application using react and express
5.0(1)
Full Stack Web Applications
I will do custom website development as a full stack developer

Portfolio

Work experience

Backend Engineer

Remote • Full-time

Jun 2023 - Aug 20252 yrs 2 mos

Over the past 2+ years, I have successfully worked as a Backend and Full Stack Developer, delivering high-quality web solutions to clients across various industries. My expertise includes building scalable REST APIs, secure authentication systems (JWT, OAuth), and full-stack MERN applications tailored to business needs. I have completed 10+ real-world projects, including eCommerce platforms, admin dashboards, SaaS tools, and custom API integrations. My work focuses on performance optimization, clean architecture, and security best practices, ensuring long-term reliability and maintainability. On freelancing platforms like Fiverr, I have consistently maintained strong client satisfaction by delivering projects on time and exceeding expectations. I have helped clients integrate third-party services such as payment gateways (Stripe, SSLCommerz), AI APIs, and social login systems (Google). One of my key achievements is transforming client ideas into fully functional, production-ready applications with smooth user experiences and robust backend systems. Clients appreciate my clear communication, problem-solving approach, and attention to detail. I am committed to building long-term relationships with clients by providing ongoing support, scalable solutions, and continuous improvements to their systems.

1 Reviews
5.0

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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-1 out of 1 Reviews
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    emmafve

    FR

    France

    5

    Je recommande Sabbir à 100% sans la moindre hésitation ! J'ai fait appel à lui pour le développement du dashboard et le lancement de mon application, un projet ambitieux avec des contraintes techniques importantes et des délais serrés. Résultat : il a tout géré avec un professionnalisme et une réactivité...

    $200-$400

    Price

    10 days

    Duration

    gig

    Full Stack Web Applications

    Helpful?
    Yes
    No