I will refactor API, clean and scale your saas backend architecture

K
kyleprof
K
kyleprof
KYLE

About this gig

Is your backend becoming difficult to maintain, scale, or optimize? I will professionally refactor your API and improve your SaaS backend architecture for better performance, scalability, security, and maintainability.

This gig is ideal for startups, SaaS platforms, dashboards, admin panels, and growing applications that need clean backend structure and optimized API workflows.


What I can help with:

  • API refactoring & backend cleanup
  • Clean architecture implementation
  • REST API optimization
  • Performance improvements
  • Authentication & middleware restructuring
  • Database query optimization
  • Error handling & logging improvements
  • Code modularization
  • Backend scalability improvements
  • Technical debt reduction
  • API security enhancements
  • Environment & configuration cleanup


Tech Stack:

Node.js / Express.js

FastAPI

TypeScript / JavaScript

PostgreSQL / MySQL

REST APIs


Why work with KYLE?

  • Scalable backend engineering expertise
  • Clean and maintainable architecture
  • Startup & SaaS backend experience
  • Reliable communication and delivery


Please Contact Me before Ordering to discuss your project scope and backend requirements.


THANKS!

Get to know KYLE

KYLE

Scalable Backend Systems SDK Integration Solutions

  • FromUnited States
  • Member sinceMay 2026
  • Avg. response time10 hours
  • Languages

    English, Dutch, German
KYLE specializes in backend systems, SDK integrations, scalable APIs, and custom business software solutions. I help startups, SaaS platforms, and growing businesses build secure, fast, and reliable backend infrastructure. My services include OAuth, Firebase, and Auth0 SDK integration, API refactoring, Rust backend optimization, and custom POS software development for restaurants and retail businesses. I focus on clean architecture, performance, scalability, and long-term maintainability to deliver production-ready solutions that support real business growth.