You will get expert legacy code refactoring and jQuery optimization
Project details
Why choose this service?
Most modern developers panic when they see a codebase without React, Vue, or Angular. I don’t. I am a Senior Software Engineer with deep, hands-on experience in building, maintaining, and scaling high-performance web applications using robust, vanilla framework-less JavaScript and jQuery.
What truly sets this project apart is my dual expertise in frontend engineering and system architecture (Linux, networks, APIs). I don't just patch up UI components; I understand how the code impacts server performance, data flows, and browser rendering. Whether you need a complex real-time data dashboard (WebSockets), custom hardware/camera UI integrations, or a complete architectural refactoring of a messy legacy "spaghetti" codebase, I deliver clean, modular, and production-ready code.
What you get:
Fast, lightweight UI features built from scratch.
Secure API/Data integration without unnecessary third-party bloat.
Clean code that follows modern best practices, ensuring your system remains fast and maintainable.
Most modern developers panic when they see a codebase without React, Vue, or Angular. I don’t. I am a Senior Software Engineer with deep, hands-on experience in building, maintaining, and scaling high-performance web applications using robust, vanilla framework-less JavaScript and jQuery.
What truly sets this project apart is my dual expertise in frontend engineering and system architecture (Linux, networks, APIs). I don't just patch up UI components; I understand how the code impacts server performance, data flows, and browser rendering. Whether you need a complex real-time data dashboard (WebSockets), custom hardware/camera UI integrations, or a complete architectural refactoring of a messy legacy "spaghetti" codebase, I deliver clean, modular, and production-ready code.
What you get:
Fast, lightweight UI features built from scratch.
Secure API/Data integration without unnecessary third-party bloat.
Clean code that follows modern best practices, ensuring your system remains fast and maintainable.
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$150
|
Standard
$450
|
Advanced
$950
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | |||
Source Code | - | - | - |
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JG
Jonathan G.
Dec 16, 2025
ASAP - GoDaddy Hosting Issue Resolution Needed
Excellent
About Anton
Senior Full Stack Developer | Fast Fixes & Custom Solutions
Dimitrovgrad, Bulgaria - 2:10 am local time
Successfully completed my first Upwork project with 5★ feedback, delivering fast and clear communication.
I specialize in developing clean, reliable, and maintainable code, with a strong focus on performance and scalability. Whether you need a quick bug fix, a custom API integration, or help with backend logic or frontend functionality, I deliver fast, high-quality results.
What I can help you with:
Debugging and optimizing existing applications
Building REST APIs and backend services
Frontend development (responsive layouts, UI improvements)
API integrations and automations
Code review, refactoring, and performance tuning
Why clients choose me:
13+ years of hands-on programming experience
Clear and proactive communication
Fast turnaround and attention to detail
Focus on long-term maintainability, not just quick fixes
I enjoy working on short-term, well-defined tasks that make an immediate impact. Let’s collaborate to make your project faster, cleaner, and more efficient 🚀
Steps for completing your project
After purchasing the project, send requirements so Anton can start the project.
Delivery time starts when Anton receives requirements from you.
Anton works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Review & Architecture Planning
I will analyze your provided codebase, requirements, and API documentation to map out the most efficient, framework-less implementation or refactoring strategy.
Development & Core Implementation
I will write clean, modular Vanilla JS/jQuery code and optimized CSS to build your features, fix bugs, or restructure the legacy architecture according to best practices.