I will troubleshoot and solve react, next js, and node js errors

K
kumarmsk
K
kumarmsk
Kumar
troubleshoot and solve react, next js, and node js errors
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troubleshoot and solve react, next js, and node js errors

About this gig

Facing issues in your React, Next.js, or Node.js application? I can quickly identify and fix bugs to get your web app running smoothlyoften within 24 hours.


With 14+ years of full-stack development experience, I specialize in debugging modern JavaScript applications and delivering clean, reliable solutions.


What I Can Fix:

  1. React, Next.js, and Node.js bugs
  2. JavaScript / TypeScript errors
  3. Broken UI, layout, and responsive issues
  4. API and backend integration problems
  5. State management and data flow issues
  6. Console errors and runtime crashes
  7. Authentication issues
  8. Feature improvements
  9. Performance issues (slow load, re-renders, API delays)


Why Work With Me:

  1. Fast turnaround
  2. Clean, maintainable fixes
  3. Clear communication
  4. Production-level experience
  5. Support until the issue is resolved


Send me your issue details, error screenshots, or code access, and Ill review the problem and recommend the best solution.


Note: 24-hour delivery applies to limited-scope issues. Complex tasks may require additional time.

  • Programming language

    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Performance
    • Design

  • Frontend framework

    • AngularJS
    • Next.js
    • Semantic-UI
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Next.js
    • Node.js

Get to know Kumar

Kumar

Senior Full Stack Engineer with 12 plus years of experience

  • FromIndia
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    English
Hi, I’m Kumar, a Senior Full Stack Engineer with 12+ years of experience building scalable web applications using React, Node.js, TypeScript, Next.js, and Tailwind CSS. I’ve worked on enterprise applications for PayPal, eBay, Apple, and Palo Alto Networks. I also built and managed the complete full stack architecture for Cliptics. I specialize in SaaS platforms, admin dashboards, APIs, frontend architecture, performance optimization, and scalable web applications.

My Portfolio

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