You will get Frontend Bug Fixing & Performance Audit
Project details
Is your React, Next.js, Vue, or Svelte application running slow, crashing, or failing to build?
Frontend issues like broken layouts, console errors, poor performance, and API bugs can hurt user experience, SEO, and conversions. I help identify the root cause and deliver clean, reliable fixes without disrupting your existing codebase.
**What I can help with:**
• ✅ Fix UI bugs, responsive layout issues, and component errors
• ✅ Resolve state management problems (Redux, Zustand, Context API)
• ✅ Repair API integrations, forms, routing, and TypeScript errors
• ✅ Fix Vite, Webpack, Node, NPM/PNPM, and dependency issues
• ✅ Improve Core Web Vitals, page speed, and Lighthouse scores
• ✅ Optimize bundle size with lazy loading, code splitting, and tree-shaking
• ✅ Debug memory leaks, unnecessary re-renders, and performance bottlenecks
**Why work with me?**
• 7+ years of frontend development experience
• Clean, maintainable, production-ready solutions
• Fast communication and on-time delivery
• Clear explanation of every fix made
Let's get your application running smoothly again. Send me your issue, and I'll help you find the fastest and most reliable solution.
Frontend issues like broken layouts, console errors, poor performance, and API bugs can hurt user experience, SEO, and conversions. I help identify the root cause and deliver clean, reliable fixes without disrupting your existing codebase.
**What I can help with:**
• ✅ Fix UI bugs, responsive layout issues, and component errors
• ✅ Resolve state management problems (Redux, Zustand, Context API)
• ✅ Repair API integrations, forms, routing, and TypeScript errors
• ✅ Fix Vite, Webpack, Node, NPM/PNPM, and dependency issues
• ✅ Improve Core Web Vitals, page speed, and Lighthouse scores
• ✅ Optimize bundle size with lazy loading, code splitting, and tree-shaking
• ✅ Debug memory leaks, unnecessary re-renders, and performance bottlenecks
**Why work with me?**
• 7+ years of frontend development experience
• Clean, maintainable, production-ready solutions
• Fast communication and on-time delivery
• Clear explanation of every fix made
Let's get your application running smoothly again. Send me your issue, and I'll help you find the fastest and most reliable solution.
Programming Languages
JavaScript, Java, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, W3C Markup Validation ServiceWhat's included
| Service Tiers |
Starter
$150
|
Standard
$400
|
Advanced
$800
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 days |
Number of Revisions | 3 | 5 | Unlimited |
Bug Investigation | - | - | - |
Fix Documentation | - | - | - |
Detailed Code Comments | - | - | - |
Frequently asked questions
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AR
Aqeela R.
Mar 13, 2026
Senior Svelte & SvelteKit Frontend Developer
Working with Gul was a great experience. He is very professional, clear with instructions, and respectful throughout the project. Communication was smooth and he made the collaboration easy. I would be happy to work with him again in the future.
KW
Kehinde W.
Jul 10, 2025
Frontend for an Edtech App
Awesome freelancer!
JL
Justin L.
Feb 14, 2025
React Mentoring and Development
KW
Kehinde W.
Jan 23, 2025
Fix vite build issues — frontend
IB
Ignacio B.
Nov 13, 2024
Nextjs and Typescript Bug Fixing Developer ($10 per bug)
He is relatively good, he does the job well, but at the same time he spoils you... He doesn't show up and say he's going to do things and it never happens.
About Gul
Frontend Developer | Next.js & Svelte | SaaS, AI Web Apps & React
83%
Job Success
Gilgit, Pakistan - 10:24 am local time
During the last 7+ years, I have been building products for startups and helping them achieve their goals. My main goal while working on a project is to write clean and organized code so that the product can be further developed and scaled for years to come.
I have extensive experience in creating and developing SaaS products as well as in implementing and maintaining React applications of different complexity. Apart from React, I have experience with other modern frontend frameworks and am constantly learning new technologies. One of my specialties is introducing artificial intelligence into projects: training models, embedding chatbots on websites or in applications, and implementing various solutions using LLM APIs
Here are some of the things I can do:
🚀 Help you build a SaaS product (from Figma to production)
⚛️ Develop a modern web application using React, Next.js, Svelte, and TypeScript
🤖 Add Chatbots, implement AI, and explore the potential of LLMs
🔄 Migrate existing projects (JS to TS, Vue to React, etc.)
🛠️ Refactor your old, slow, or poorly written code
📱 Create a modern responsive UI/UX that looks amazing on all devices
🔗 Work with REST, GraphQL, and APIs (both backend development and API integration)
🎨 Compose a component library based on the latest frontend conventions and code standards
My approach
To deliver quality work, I like to start by understanding what the client exactly needs. This allows me to set priorities, ask the right questions, and avoid unpleasant surprises during development.
I always strive to write clean and well-organized code with comments so that it remains readable and maintainable for a long time. I use the latest versions of TypeScript and JavaScript and follow best practices for frontend development and application architecture.
I understand that each person has their own pace of work, so I will gladly adjust the cooperation scheme to best suit the client’s needs. Some people like to communicate every day, while others prefer a more relaxed schedule. In any case, I will do my best to meet your expectations and work within the framework of my skills
Experience
Working on large-scale SaaS projects, MVP development for startups, and long-term maintenance of different web applications has given me valuable experience in writing code, meeting deadlines, and providing high-quality work. In particular, I have successfully completed such projects as:
✅ Creation of a SvelteKit application (more than 1000 hours of work)
✅ Development of a React application for a medical company (more than 250 hours of work)
✅ Participation in the development of numerous Next.js and Typescript projects
✅ 5+ years of experience and 5-star feedback from clients
Technologies
React, Next.js, Vue, Svelte, SvelteKit, TypeScript, JavaScript, Node.js, GraphQL, REST APIs, AI, Tailwind CSS, etc.
A few words about me
Above all, I am a talented programmer who loves what they do. But I am also a perfectionist, which means that I strive for high quality in everything: from designing interfaces to writing the simplest lines of code. I carefully analyze all details and discuss them with the client to fully understand their needs. This approach has allowed me to build an excellent reputation among clients, with whom I have been able to develop long-term relationships.
So if you are looking for a frontend developer who will create a beautiful and modern UI/UX, delight users with an exceptional experience, and take care of the technical implementation of the project, I will be glad to see you on my team.
Steps for completing your project
After purchasing the project, send requirements so Gul can start the project.
Delivery time starts when Gul receives requirements from you.
Gul works on your project following the steps below.
Revisions may occur after the delivery date.
Repo Setup & Initial Diagnostic
What happens here: I pull your codebase, configure the local/staging environment, and run an initial diagnostic sweep to reproduce the bugs listed and capture baseline Lighthouse performance metrics.
Surgical Bug Fixes & Code Refactoring
I dive into the source code to resolve the specified UI bugs, state management issues, or build errors without disturbing your existing features or breaking app logic.