I will build a scalable backend API for your web or saas app

S
sinan_kinik
S
sinan_kinik
Sinank
build a scalable backend API for your web or saas app
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build a scalable backend API for your web or saas app
Full Screen
Full Screen
build a scalable backend API for your web or saas appbuild a scalable backend API for your web or saas appbuild a scalable backend API for your web or saas app

About this gig

Build a Scalable Backend API for Your Web or SaaS App


I will design and develop a secure, scalable, and production-ready backend API for your web application or SaaS platform.


Whether you are building a startup, SaaS product, or custom web system, I can help you build a solid backend foundation that is clean, maintainable, and ready to scale.


What I Can Build

  • REST API development with Node.js
  • Secure authentication (JWT, sessions, RBAC)
  • Database design & architecture (SQL / NoSQL)
  • SaaS backend systems
  • Custom API integrations
  • User & role management systems



Technologies

Node.js, Express.js, MongoDB, PostgreSQL, Prisma, JWT


Focus

Clean architecture, security best practices, scalability, and maintainable code for real production systems.



Lets Build Your Backend


Not sure where to start? I can also help with small backend/API tasks or review your idea before starting a full project.


Send me a message before ordering I usually respond quickly and we can define the best solution for your project.

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Design
    • Databases
    • Source control

  • Programming language

    • JavaScript

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Django
    • Express.js
    • Next.js
    • Node.js

Get to know Sinank

Sinank

Fullstack Developer Secure Admin Panels Internal Tools Next js Node js RBAC

5.0(9)
  • FromTurkey
  • Member sinceAug 2023
  • Avg. response time1 hour
  • Last delivery4 months

  • Languages

    English
Hi! I'm Sinan. I help startups and businesses launch their SaaS products and internal tools in record time. 🚀 I use my own production-ready AdminCore Engine—a secure, scalable, and RBAC-integrated infrastructure built with Next.js 16, Prisma, and Tailwind CSS. Why work with me? ✅ Speed: Save 40+ hours of development with my ready-to-deploy core. ✅ Security: Built-in Role-Based Access Control (RBAC) and secure Auth. ✅ Performance: Clean, modular code optimized for high scalability. Let’s transform your idea into a live product this week! Message me to see a live demo. 😊

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