I will build secure and scalable backend apis and microservices

K
K
Karyna

About this gig

Reliable Backend Development | Node.js, AWS & REST APIs

Im a backend developer with 4+ years of experience building secure, scalable, and high-performance systems for eCommerce and SaaS platforms.

What I offer:

  • REST API development and integration (Node.js, Express)
  • Marketplace integrations (Wayfair, Wix, TikTok, Etsy)
  • AWS services (Lambda, ECS, S3, API Gateway)
  • Database design and optimization (MongoDB, MySQL)
  • Scalable microservices and automation

I write clean, maintainable code with a focus on performance, reliability, and cloud-readiness. Lets build a backend that scales with your business.

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Get to know Karyna

Karyna
  • FromItaly
  • Member sinceOct 2025
  • Languages

    English
I’m a backend developer who builds secure, scalable APIs and databases for web applications. My focus is on performance and reliability — ensuring your app runs fast and smoothly, every time.