You will get fast bug fixes for Angular, React, Node.js, and .NET apps


Project details
Are you facing bugs or errors in your Angular, React, Node.js, or .NET application? I can help you quickly identify and fix issues to get your application running smoothly again.
I am a full stack developer experienced in debugging real-world applications. Whether it’s a frontend issue, backend error, API problem, or performance issue, I provide clean and efficient fixes.
What I can help you with:
✔ Fix frontend bugs (Angular, React)
✔ Fix backend/API issues (Node.js, ASP.NET)
✔ Debug errors and crashes
✔ Improve performance and stability
Why choose me:
✔ Fast and reliable delivery
✔ Clean and maintainable code
✔ Clear communication
✔ Professional support
Please contact me before placing an order to discuss your issue and ensure the best solution.
I am a full stack developer experienced in debugging real-world applications. Whether it’s a frontend issue, backend error, API problem, or performance issue, I provide clean and efficient fixes.
What I can help you with:
✔ Fix frontend bugs (Angular, React)
✔ Fix backend/API issues (Node.js, ASP.NET)
✔ Debug errors and crashes
✔ Improve performance and stability
Why choose me:
✔ Fast and reliable delivery
✔ Clean and maintainable code
✔ Clear communication
✔ Professional support
Please contact me before placing an order to discuss your issue and ensure the best solution.
Programming Languages
JavaScript, TypeScript, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$10
|
Standard
$25
|
Advanced
$40
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 2 | 3 |
Bug Investigation | |||
Fix Documentation | - | - | |
Detailed Code Comments | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$10
Additional Revision
+$5
Fix Documentation
(+ 1 Day)
+$10
Detailed Code Comments
(+ 1 Day)
+$10Frequently asked questions
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About Nerusupalli
Full Stack | React | Next.js | Angular | .NET | Node.js | Python
86%
Job Success
Hyderabad, India - 4:38 pm local time
Hi! I'm Sai, a **Full Stack Developer** specializing in **React, Next.js, Angular, ASP.NET Core (.NET), Node.js, Python (FastAPI), React Native, and Flutter**. I help startups, small businesses, and growing companies build secure, scalable, and high-performance web and mobile applications.
I don't just write code—I build solutions that are maintainable, user-friendly, and designed to support your business goals. Whether you need a complete product built from scratch, new features added, APIs integrated, bugs fixed, or performance improvements, I can help.
### 💼 My Services
✅ Full Stack Web Application Development
✅ React.js & Next.js Development
✅ Angular Development
✅ ASP.NET Core (.NET) Web APIs
✅ Node.js & Express.js Backend Development
✅ Python (FastAPI) Development
✅ REST API Design & Third-Party API Integration
✅ PostgreSQL, SQL Server, MySQL & MongoDB Database Design
✅ Authentication (JWT, OAuth, Supabase Auth, Keycloak)
✅ Admin Dashboards & Business Applications
✅ SaaS Application Development
✅ Mobile App Development (React Native & Flutter)
✅ Docker, AWS & Azure Deployment
✅ Bug Fixing, Code Refactoring & Performance Optimization
### 🛠️ Technologies
**Frontend**
* React
* Next.js
* Angular
* TypeScript
* JavaScript
* HTML5
* CSS3
* Tailwind CSS
* Bootstrap
**Backend**
* ASP.NET Core (.NET)
* Node.js
* Express.js
* Python
* FastAPI
**Databases**
* PostgreSQL
* SQL Server
* MySQL
* MongoDB
* Supabase
**Cloud & DevOps**
* Docker
* AWS
* Azure
* Git
* GitHub
**Mobile**
* React Native
* Flutter
### ⭐ Why Clients Choose Me
✔ End-to-end development—from planning and architecture to deployment
✔ Clean, scalable, and maintainable code
✔ Strong communication and regular project updates
✔ Fast turnaround with attention to quality
✔ Reliable problem-solving and debugging
✔ Long-term support after project completion
### 📈 Projects I Enjoy Building
* SaaS Platforms
* Enterprise Applications
* Admin Dashboards
* CRM & ERP Systems
* Business Management Systems
* Booking Platforms
* Workflow Automation Tools
* REST APIs & Backend Services
* Mobile Applications
* Internal Business Tools
My goal is simple: deliver software that is reliable, scalable, and easy to maintain while ensuring a smooth development experience for every client.
If you're looking for a developer who can understand your requirements, suggest the best technical approach, and deliver high-quality results on time, I'd love to hear about your project.
**📩 Send me a message, and let's discuss how we can turn your idea into a successful product.**
Steps for completing your project
After purchasing the project, send requirements so Nerusupalli can start the project.
Delivery time starts when Nerusupalli receives requirements from you.
Nerusupalli works on your project following the steps below.
Revisions may occur after the delivery date.
Understand the issue
I review your problem, code, and error details to identify the root cause
Debug and fix
I analyze and fix the issue using best practices and clean coding.