I will fix and optimize your nodejs or express API performance

V
vibrantslk
V
vibrantslk
Sameera M

About this gig

I specialize in diagnosing and fixing backend issues in Node.js and Express applications.

Whether your API is slow, throwing errors, or not scaling properly, I will analyze your system and provide a reliable, production-ready solution.


What I can help you with:

  • Fix API errors and crashes
  • Improve slow response times
  • Optimize database queries (MySQL)
  • Resolve authentication issues (JWT, sessions)
  • Debug unexpected behavior
  • Improve backend performance and stability
  • Refactor messy or unstructured code

Common Problems I Solve:

  • Slow APIs under load
  • Memory leaks
  • Poor database design
  • Inefficient queries
  • Broken authentication
  • Unhandled errors

What Youll Get:

  • Fixed and optimized backend
  • Clear explanation of the issue
  • Clean and improved code
  • Recommendations to prevent future issues


Message Before Ordering

Every issue is different. Please contact me first so I can understand your problem and suggest the best solution.

Get to know Sameera M

Sameera M

Enterprise grade backend specialist

  • FromSri Lanka
  • Member sinceJul 2016
  • Avg. response time1 hour
  • Languages

    English
💻 Experienced Digital Transformation Specialist with 21 years of experience in the industry I'm a passionate solution architect with 20+ years of experience delivering scalable, reliable enterprise solutions. I specialize in architecturing high quality solutions for the enterprise. 🔧 Tech Stack & Skills: • Docker • React, TypeScript, JavaScript (ES6+) • Node.js / Express.js • MySQL / REST APIs • HTML, CSS, Bootstrap • C# (legacy & enterprise) ✅ You can expect • Clean, maintainable code • Clear communication • Real-world business understanding

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