I will be your java spring boot and node js backend developer

K
kh317325
K
kh317325
Kamrul Hasan
be your java spring boot and node js backend developer
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be your java spring boot and node js backend developer

About this gig

What I Can Do For You:

  • Spring Boot REST API Development: Custom API design from scratch.
  • Secure Authentication: JWT Authentication, OAuth2, and Spring Security.
  • Database Management: Expert database design using SQL (PostgreSQL, MySQL) or NoSQL (MongoDB).
  • CRUD Application: Full-featured CRUD systems with clean code.
  • Third-party API Integration: Payment gateways, SMS/Email services, and social logins.
  • Bug Fixing & Optimization: Database optimization, performance tuning, and backend bug fixing.

️ Tech Stack I Use:

  • Java (Spring Boot, Spring MVC, Spring Data JPA, Spring Security)
  • JavaScript / TypeScript (Node.js, Express.js)
  • Databases: MySQL, PostgreSQL, MongoDB, Redis
  • Tools: Postman, Docker, Git, Maven

Why Choose Me?

  • Clean Architecture: Well-structured, maintainable, and production-ready code.
  • Scalable Solutions: Designed to handle high traffic and future growth.
  • On-Time Delivery: Regular updates and fast communication.

Please message me before placing an order to discuss your project requirements. Let's build something amazing together!

  • Programming language

    • Java

  • Expertise

    • Security
    • Design
    • Databases

  • Frontend framework

    • AngularJS
    • Next.js
    • React.js
    • Vue.js

  • Backend framework

    • Express.js
    • Next.js
    • Node.js
    • Spring

Get to know Kamrul Hasan

Kamrul Hasan

Experienced at Frontend,Backend,Mobile App

  • FromBangladesh
  • Member sinceJun 2017
  • Avg. response time1 hour

  • Languages

    Bengali, English
We are a team of experienced software engineers, frontend, backend, and mobile app developers with 6+ years of experience building scalable digital solutions. We offer end-to-end development: • Backend (Java, Spring Boot, Node.js, APIs) • Frontend (React.js, Next.js, UI/UX) • Mobile Apps (Flutter, React Native) • Database design, integrations & dashboards We turn business ideas into secure, scalable, production-ready systems. ✔ Clean code ✔ Fast delivery ✔ Scalable architecture ✔ Long-term support

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