You will get a javascript bug fix for your existing website
Top Rated
Project details
JavaScript is a very popular Programming language and is being used in Web programming, Android and iOS Application development and even in Desktop Application development and also in backend development. Naturally, sometimes we face issues that are not intended, and even we do not find the easiest solution for it to fix this. Sometimes it can be in a live server/website, so you need to fix that immediately.
That's why I am here, your JavaScript doctor to fix any kind of issues that is related to JavaScript and JavaScript Libraries.
The plan promised to deliver the fixes within one day, please consider the add-on if the time investment is a lot and the issue is very complex. Sometimes you can figure that or you don't know how much time it will be needed. If you don't know by yourself, I will let you know that the issue is complex and need more time investment and you can then choose the add-on for additional time and budget. Don't worry, I will make that possible anyhow and be honest with you till the end.
Thanks
That's why I am here, your JavaScript doctor to fix any kind of issues that is related to JavaScript and JavaScript Libraries.
The plan promised to deliver the fixes within one day, please consider the add-on if the time investment is a lot and the issue is very complex. Sometimes you can figure that or you don't know how much time it will be needed. If you don't know by yourself, I will let you know that the issue is complex and need more time investment and you can then choose the add-on for additional time and budget. Don't worry, I will make that possible anyhow and be honest with you till the end.
Thanks
Programming Languages
JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 1 day
- Number of Revisions 2
- Bug Investigation
- Fix Documentation
- Detailed Code Comments
Optional add-ons
You can add these on the next page.
Additional Revision
+$15
Very complex script issues
(+ 4 Days)
+$150Frequently asked questions
37 reviews
(37)
(0)
(0)
(0)
(0)
This project doesn't have any reviews.
DD
Dominic D.
Feb 11, 2026
Build and deploy a startup landing page
Excellent freelancer, brilliant at what he does. Ai can not keep up with this man. definitely recommend his services
ME
Meredith E.
Feb 2, 2026
JavaScript developer familiar with writing Electron apps
PH
Patrick H.
Jul 12, 2025
30 minute consultation
We had a great consultation with Monir!
He came well-prepared, took the time to understand our idea, and answered all our questions with care. His support and insights were incredibly helpful — we'd gladly work with him again in the future. Highly recommended!
He came well-prepared, took the time to understand our idea, and answered all our questions with care. His support and insights were incredibly helpful — we'd gladly work with him again in the future. Highly recommended!
DD
Dominic D.
Nov 28, 2024
Full-Stack Developer: React/React Native and NodeJS Expert
Monir is an exceptional developer with outstanding expertise in his field. His advanced skills enable him to deliver results that surpass those of competitors. He is very thorough and has keen attention to detail, Monir is an excellent listener who can transform your ideas into reality with precision.
DK
Dominique K.
Jun 15, 2024
App Development
I loved working with Monir! He is extremely flexible and listens and adjusts amazingly! I will definitely hire Monir in the future if anything comes up!
About Md.
MERN Stack Developer | React, React Native, Next.js, Nest.js, Supabase
100%
Job Success
Savar, Bangladesh - 11:38 pm local time
Are you looking for an MVP-ready, AI-powered, HIPAA-compliant solution?
I build scalable, production-ready websites, mobile apps, and cross-platform SaaS platforms using the modern JavaScript ecosystem.
I’m a Senior Full Stack Developer with 5+ years of hands-on experience in building end-to-end products using: React | React Native | Next.js | NestJS | Node.js | Supabase | MongoDB | PostgreSQL | Docker
From bilingual, multi-tenant SaaS apps to cross-platform mobile and desktop applications, I specialize in taking your product from concept to launch — efficiently and elegantly.
🛠 EXPERTISE / SERVICES
📦 Full-Stack Development – Scalable, secure, and maintainable backends (NestJS, Express, Supabase, MongoDB) paired with modern frontends (React, Next.js).
📱 Mobile App Development – Cross-platform apps built with React Native (Expo or Bare Workflow) that feel native on Android & iOS.
🖥️ Desktop App Development – ElectronJS-based desktop applications for Windows, macOS, and Linux using shared web tech.
🚀 SaaS & MVP Development – Launch your startup fast with authentication, payments, dashboards, and AI integrations.
🤖 AI Integrations – OpenAI, Gemini, or local AI-based features for smart automation, chatbots, or recommendations.
🐳 Supabase Expertise – Real-time database, auth, storage, and edge functions integrated into web & mobile apps.
🌍 Bilingual / Multi-Language Apps – i18n-ready systems for global users.
🛡 HIPAA & Data Security – Compliant and privacy-safe data handling for healthcare or confidential apps.
💡 TECH STACK
📝 Languages: TypeScript, JavaScript, Python
🌐 Frontend: React.js, Next.js (SSR/SSG), Ionic, Tailwind CSS, Material UI, Shadcn, Framer Motion, HTML5, CSS3, Redux
📱 Mobile: React Native, Expo (Managed & Bare), React Native Elements, React Native Paper, Reanimated, Push Notifications, Offline Storage, Cross-Platform Development
🖥️ Desktop: Electron.js
🖌️ CMS / Website Builders: Strapi, WordPress, Webflow, Wix, Squarespace
⚡ Backend: Node.js, Nest.js, Express.js, RESTful APIs, GraphQL, PostgreSQL, MongoDB, MySQL, Authentication (JWT/OAuth2), WebSocket, Microservices Architecture
🐳 DevOps / Deployment: Docker, Kubernetes, Nginx, DigitalOcean, AWS, CI/CD (GitHub Actions), Cloud Deployment
🧪 Testing: Playwright, Jest, Debugging, End-to-End Testing
🛠️ Tools / Integrations: Stripe, Square Payments, Twilio, Mailgun, Sendgrid, Leaflet, Mapbox, Figma, Canva, Photoshop
📋 Methodologies: Agile, Git, Code Review, Technical Documentation
🧩 KEY FEATURES & VALUE
⭐ Cross-Platform Unified Backend – One backend powering web, mobile, and desktop apps.
⭐ MVP-Ready Architecture – Quickly scale from prototype to production.
⭐ Custom Server Setup – Host on your own machine or private VPS (no recurring hosting costs).
⭐ Interactive Tutorials – Free video session (Zoom/Meet) showing how to manage your app.
⭐ Pixel-Perfect Design – Clean, responsive, and consistent UI/UX with theme and language support.
💬 CLIENTS HIRE ME FOR
🚀 Building new SaaS products from scratch
🔧 Refactoring or scaling existing apps
🤖 Adding AI chat or smart recommendations
💳 Integrating payment systems, user authentication, and push notifications
💻 Converting websites into mobile or desktop apps
🧠 A FEW FUN FACTS
🥇 Top Rated Plus — Only the top 3% earn this badge.
💵 $50K+ earned with 100% client satisfaction.
🌍 Experienced with B2B, SaaS, AI, and HIPAA-compliant systems.
🌐 Fluent in modern JS frameworks — I make the web, mobile, and desktop work together.
Steps for completing your project
After purchasing the project, send requirements so Md. can start the project.
Delivery time starts when Md. receives requirements from you.
Md. works on your project following the steps below.
Revisions may occur after the delivery date.
Investigate the Issues
Implement the solution