I will fix bugs and errors in web or mobile app code

J
janitha2000
J
janitha2000
Janitha Dilshan
fix bugs and errors in web or mobile app code
Full Screen
fix bugs and errors in web or mobile app code
Full Screen
Full Screen
fix bugs and errors in web or mobile app codefix bugs and errors in web or mobile app codefix bugs and errors in web or mobile app code

About this gig

Are you facing frustrating bugs, build errors, responsive UI glitches, or broken API connections in your web or mobile application?


I am Janitha Dilshan a Senior Full-Stack & Flutter Software Engineer and Founder of InnoXpert with 6+ years of production experience. I specialize in deep code debugging, performance optimization, and clean architectural fixes across modern web and mobile tech stacks.


️ What I Can Fix For You:

Frontend & Web: Next.js 14/15 (App Router, Hydration errors, SSR/SSG), React, TypeScript, JavaScript, HTML5/Tailwind CSS responsive bugs.

Mobile Applications: Flutter (Android & iOS build errors, state management, UI rendering, Gradle/CocoaPods issues)

Backend & APIs: Node.js, Express, Python, REST APIs, WebSockets, Firebase Auth & Firestore sync issues.

Performance & Speed: PageSpeed optimizations, memory leak elimination, database query tuning

Third-Party Integrations: Payment gateways, social auth, Cloudinary, Gemini/OpenAI AI APIs


⭐ Why Choose Me?

Clean, well-documented, and production-ready code fixes.

100% strict confidentiality and IP protection for your codebase.

Ultra-fast communication and guaranteed 24/7 post-fix support.


Please message me with

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • Bootstrap
    • Flutter
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Laravel
    • Express.js
    • FastAPI
    • Next.js
    • Firebase

Get to know Janitha Dilshan

Janitha Dilshan

Senior Full Stack, Flutter and Ai SaaS Software Engineer

5.0(4)
  • FromSri Lanka
  • Member sinceNov 2020
  • Avg. response time2 hours
  • Last delivery2 years

  • Languages

    English
Hi, I'm Janitha — a Senior Full-Stack, Mobile & AI SaaS Engineer with 6+ years of experience and founder of InnoXpert. I build production-ready web platforms, Flutter mobile apps, and backend APIs for startups worldwide. Core Stack: • Next.js 15, React, TypeScript & Tailwind • Flutter Mobile Apps (iOS & Android) • Node.js, Python, PHP & REST APIs • AI SaaS & Chatbots (Gemini / OpenAI) • Emergency Bug Fixing & Optimization Guaranteed clean code, 95+ PageSpeed & 24/7 support. Message me to discuss your project!

My Portfolio

Other Software Development Services I Offer

Related tags