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Fiverr Pro
English
$
USD
I will professionally fix react, javascript, and frontend bugs
Ruslan K
About this gig
Are you struggling with persistent bugs, layout issues, or performance drops?
Dont let technical debt kill your conversion rates. With 8+ years of experience as a Senior Fullstack Developer, I specialize in identifying and fixing complex frontend issues quickly and cleanly. Whether its a stubborn React bug, a performance bottleneck, or an elusive CSS glitch, I will get your application back on track.
What I offer:
- Deep Debugging: Expert at tracing issues in React, Next.js, and TypeScript environments.
- Performance Optimization: Identifying and resolving render loops, API bottlenecks, and slow load times.
- Responsive Fixes: Fixing layout and UI issues across all devices.
- Clean Code: I dont just "patch" the problem; I fix the root cause to ensure scalability.
Tech Stack: React, Next.js, Vite, Node.js, TypeScript, Tailwind CSS, TanStack Query.
️ New Seller Introductory Price: I am currently offering my services at a reduced rate to build my reputation on this platform. This is a limited-time opportunity to hire a Senior-level engineer at a significant discount.
Important: I prefer to discuss your project requirements before placing an order to ensure the best results. Please send me a m
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Get to know Ruslan K
Ruslan K
Senior Fullstack Developer
- FromRussia
- Member sinceJul 2026
Languages
English, Russian
I am a Senior Fullstack Developer with 8+ years of experience building AI-powered platforms and data-intensive fintech applications. I specialize in React, TypeScript, Next.js, and microfrontend systems for high-load environments. I care about product interfaces that stay fast, secure, and accessible under load.
My Portfolio
FAQ
Can you work with existing codebases?
Absolutely. With 8 years of experience, I am comfortable diving into complex legacy systems or modern frameworks. I focus on understanding your existing code structure before applying any fixes.
What is your process?
I start by analyzing the issue, then I provide a clear plan of action. Once agreed, I implement the fix, thoroughly test it, and deliver a clean, documented solution.
Do you provide ongoing support?
Yes, I’m open to long-term cooperation and ongoing maintenance if your project requires it.
Why is your price low for a Senior developer?
I am new to Fiverr, so I am offering an introductory rate to establish my profile and gain client reviews. I provide the same high-quality work I deliver to enterprise clients.
