I will fix bugs, optimize performance, and scale your mern stack app

K
kartikay_777
K
kartikay_777
Kartikay R
fix bugs, optimize performance, and scale your mern stack app
Full Screen
fix bugs, optimize performance, and scale your mern stack app
Full Screen
fix bugs, optimize performance, and scale your mern stack appfix bugs, optimize performance, and scale your mern stack app

About this gig

Struggling with annoying bugs, slow database queries, or a sluggish React interface in your MERN application? As a professional MERN stack engineer, I specialize in deep debugging, backend optimization, performance tuning, and database scalingfixing everything from broken API routes and React rendering issues to unoptimized MongoDB queries. With clean code, detailed comments, and a focus on long-term scalability, I will get your app running fast and reliably; please contact me before ordering so we can discuss your specific project needs!

  • Programming language

    • JavaScript

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • React.js
    • Vue.js

  • Backend framework

    • Laravel
    • Express.js
    • Node.js
    • Supabase
    • Firebase

Get to know Kartikay R

Kartikay R

Senior Full Stack Developer

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

  • Languages

    English
I am a results-driven Senior Full Stack Developer and Team Lead with 3+ years of experience delivering production-grade MERN stack applications at scale. I am currently leading a cross-functional team of 5+ engineers . I have a proven track record of shipping 10+ products serving 100K+ monthly active users with 99.9% uptime SLA. I am passionate about building high-performing engineering teams, reducing technical debt, and translating business goals into scalable technical solutions.

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