You will get Urgent React/Next.js Bug Fix & Code Audit (3-Day Turnaround)
Project details
Stop letting critical bugs or slow performance kill your conversions. I provide urgent, guaranteed bug fixes for React, Next.js, and Node.js applications. What sets this project apart is the focus on root cause analysis—I don't just patch the symptom, I audit the relevant code to ensure a clean, long-term solution. My expertise covers all issues: broken features, API integration failures, performance bottlenecks, and security flaws. Get your application running smoothly, securely, and efficiently with a 3-day turnaround or the 24-Hour Emergency Fix add-on.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$199
|
Standard
$399
|
Advanced
$599
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 9 days |
Number of Revisions | 2 | 3 | Unlimited |
Number of Pages | 0 | 0 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
Frequently asked questions
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Dogukan A.
Dec 11, 2025
RevenueCat Integration for Expo React Native App (Monthly & Yearly Subscriptions)
Working with this freelancer has been an excellent experience from start to finish. Communication was clear, delivery was fast, and the quality of work exceeded my expectations. They understood my requirements perfectly and even provided valuable suggestions that improved the final result. I would definitely work with them again and highly recommend them to anyone looking for a reliable and skilled professional.
MD
Michael D.
Nov 19, 2025
Fix & Finalize Directorist Listing Forms + Setup L
Daniyal was great to work with. His communication was very clear. He understood the scope of the project and executed it flawlessly. I will be rehiring him for additional work.
About Daniyal
Full Stack Architect | SaaS MVP Specialist & High-Impact UI/UX Design
100%
Job Success
Karachi, Pakistan - 4:35 am local time
My Expertise Covers the Entire Product Lifecycle:
SaaS & AI MVP Launch: Specializing in launching high-performance SaaS MVPs in weeks using Next.js/Node.js, and integrating advanced AI/LLM solutions.
Cross-Platform Coding: Building scalable web and React Native mobile apps with clean, maintainable code.
Modern UI/UX Design: Crafting user-centric and beautiful designs (Figma) that ensure a smooth user experience.
Core Technical Stack & Specializations
I architect using modern, scalable, and secure technologies:
Frontend & Full Stack: Next.js, React.js, TypeScript, Redux, Tailwind CSS, REST/GraphQL.
Backend & API: Node.js, Express, NestJS, Serverless Functions, Microservices.
Database & Cloud: PostgreSQL, Supabase, MongoDB, Firebase, AWS (S3/Lambda), Vercel.
Mobile: React Native (iOS/Android) and Cross-Platform Development.
Integrations: Stripe Payments, Twilio, Zapier, and Custom AI/LLM APIs (OpenAI/Gemini).
Focus on Measurable Success
I deliver: Fast Time-to-Market MVPs, Scalable Architecture that supports high user loads, 40%+ Performance Improvements, and clean, documented code for future maintainability.
Let's build a successful business foundation that is architected for serious, long-term growth. I offer a free consultation to map out your project's technical strategy. 🤝
Steps for completing your project
After purchasing the project, send requirements so Daniyal can start the project.
Delivery time starts when Daniyal receives requirements from you.
Daniyal works on your project following the steps below.
Revisions may occur after the delivery date.
Diagnosis & Scope Confirmation
Review the provided error logs and code access to confirm the root cause and align on the fix plan.
Code Audit & Fix Implementation
Isolating the faulty code section, applying the necessary fix, and ensuring all related features remain functional.