You will get You Will Fix Bugs in Your React or Node.js Application
Rising Talent
Rising Talent
Project details
You will get fast, reliable, and production-ready bug fixes for your React.js or Node.js application. Whether you're facing frontend issues, backend errors, API failures, authentication problems, database bugs, performance bottlenecks, or deployment issues, I'll identify the root cause and deliver clean, scalable solutions that keep your application running smoothly.
With 5+ years of software development experience, I follow industry best practices, clean architecture principles, and modern debugging techniques to ensure every fix is maintainable, secure, and thoroughly tested. My goal is not just to patch issues but to improve the overall stability, performance, and quality of your application.
With 5+ years of software development experience, I follow industry best practices, clean architecture principles, and modern debugging techniques to ensure every fix is maintainable, secure, and thoroughly tested. My goal is not just to patch issues but to improve the overall stability, performance, and quality of your application.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$499
|
Standard
$1,499
|
Advanced
$3,999
|
|---|---|---|---|
| Delivery Time | 25 days | 45 days | 65 days |
Number of Revisions | 2 | 4 | 6 |
Number of Pages | 5 | 10 | 18 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $499
Additional Revision
+$100
Additional Page
(+ 2 Days)
+$200
Content Upload
(+ 2 Days)
+$100
AI Error Detection
(+ 2 Days)
+$250
Admin Dashboard Fixes
(+ 4 Days)
+$300
API Integration Repair
(+ 2 Days)
+$300Frequently asked questions
About Harendra
AI Engineer | SaaS Architect | Flutter, FastAPI & React Expert
Lucknow, India - 7:18 pm local time
Over the past 5+ years, I've designed, developed, and deployed production-ready software across industries including food delivery, logistics, healthcare, HR, e-commerce, marketplaces, education, booking systems, streaming platforms, and business management.
I don't just write code—I help clients build reliable, scalable, and business-focused software that is ready for real users and long-term growth.
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🚀 What I Can Build
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• AI Applications & Intelligent Automation
• Custom SaaS Platforms
• Flutter Mobile Apps (Android & iOS)
• FastAPI & Python Backend Systems
• React & Next.js Web Applications
• REST APIs & Third-Party Integrations
• Secure Authentication & Role-Based Access
• Database Architecture & System Design
• Admin Dashboards & Business Management Software
• Payment Gateway Integration (Stripe, Razorpay & More)
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💼 Selected Projects
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• Vehicle Marketplace Platform – End-to-end marketplace for buying and selling vehicles with advanced search, listings, dealer management, and admin controls.
• Food Delivery Ecosystem – Complete multi-platform solution including Customer App, Delivery Partner App, Restaurant Dashboard, and Super Admin Panel with real-time order tracking and payment integration.
• Farm & Subscription Management Platform – Subscription-based farm product delivery system with customer management, recurring orders, delivery scheduling, and admin dashboard.
• E-Learning & Live Streaming Platform – Complete LMS with live classes, video streaming, subject-wise classrooms, teacher assignment, attendance management, progress tracking, quizzes, chat, announcements, and role-based access control.
• Business Management & ERP Solutions – Custom ERP systems for managing employees, attendance, operations, reporting, and business workflows.
• Healthcare & E-commerce Platforms – Custom software for medical, dental, wellness, and retail businesses with secure administration and scalable architecture.
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⚙️ Core Technologies
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Python • FastAPI • Flutter • React • Next.js • TypeScript • JavaScript • Firebase • PostgreSQL • MongoDB • OpenAI Integration • REST APIs • AI Automation
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Why Clients Work With Me
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✔ Business-first development approach
✔ Clean, scalable, and maintainable architecture
✔ Transparent communication throughout the project
✔ Reliable delivery with long-term support
✔ Experience taking products from idea to production
✔ Strong understanding of startup and business requirements
Whether you need an AI-powered application, a Flutter mobile app, a scalable FastAPI backend, or a complete SaaS platform, I can help you turn your vision into a production-ready product.
Let's build something exceptional together.
Steps for completing your project
After purchasing the project, send requirements so Harendra can start the project.
Delivery time starts when Harendra receives requirements from you.
Harendra works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis & Bug Investigation
Review the reported issues, analyze the application, and identify the root cause.
Debugging Strategy
Create a structured plan to resolve bugs while minimizing impact on existing functionality.