You will get ongoing web application maintenance for Node.js, Next.js, and React

Project details
Keep your Node.js, Next.js, React, or Svelte web application stable, secure, and up to date with reliable ongoing maintenance and technical support.
I can diagnose bugs, resolve frontend and backend issues, update dependencies, improve performance, maintain APIs, fix database problems, and implement small approved enhancements. Support is available for SaaS products, dashboards, business applications, admin panels, portals, and custom web applications.
What you receive:
• Careful codebase and task review
• Clean, maintainable fixes
• Testing before delivery
• Clear progress updates and a change summary
• Support aligned with the agreed scope and priorities
I work with Node.js, Next.js, React, Svelte, Express.js, MongoDB, PostgreSQL, REST APIs, authentication, and modern deployment workflows.
Please contact me before ordering if you have an urgent production issue, an unfamiliar technology stack, or complex infrastructure. I will review the requirements and recommend the most suitable package.
I can diagnose bugs, resolve frontend and backend issues, update dependencies, improve performance, maintain APIs, fix database problems, and implement small approved enhancements. Support is available for SaaS products, dashboards, business applications, admin panels, portals, and custom web applications.
What you receive:
• Careful codebase and task review
• Clean, maintainable fixes
• Testing before delivery
• Clear progress updates and a change summary
• Support aligned with the agreed scope and priorities
I work with Node.js, Next.js, React, Svelte, Express.js, MongoDB, PostgreSQL, REST APIs, authentication, and modern deployment workflows.
Please contact me before ordering if you have an urgent production issue, an unfamiliar technology stack, or complex infrastructure. I will review the requirements and recommend the most suitable package.
Programming Languages
JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$250
|
Standard
$600
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 7 days | 14 days | 30 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 2 | 5 | 10 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$50
Additional Page
(+ 1 Day)
+$75
Additional Maintenance Task
(+ 2 Days)
+$100
Additional Backend or API Task
(+ 3 Days)
+$150Frequently asked questions
About Norina
Full-Stack Developer | React, Next.js, Node.js, Mobile Apps, AI
Edison, United States - 7:51 am local time
I'm a Full Stack Developer with 5+ years of experience in building fast, scalable, and real-time web and mobile applications using React Native, SvelteKit, Node.js, Supabase, and Firebase. I specialize in cross-platform app development, AI automation, and modern backend services using technologies like ChatGPT API, OpenAI Realtime API, REST, and GraphQL. Whether you're launching an MVP, building a SaaS app, or integrating AI chat, I can help you bring your ideas to life end to end.
I build intelligent, mobile-first, full-stack solutions using JavaScript, TypeScript, SvelteKit, and Node.js, paired with realtime services like Firebase and Supabase. From React Native mobile apps and web portals to automated systems and admin dashboards, I deliver clean, modular, and future-ready apps that run on the latest tech stack.
𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗲𝗱:
𝟏. Full Stack App Development:
React Native, Node.js, SvelteKit, JavaScript, TypeScript, REST APIs, GraphQL, Express.js, Supabase, Firebase
𝟐. AI Automation & ChatGPT Integration:
OpenAI API, ChatGPT, LangChain, AI workflow integration, Chatbots, Realtime automation, NLP-enabled apps
𝟑. Mobile App Development:
Cross-platform apps with React Native (iOS & Android), Expo, push notifications, GPS tracking, offline-first apps
𝟒. Backend Development:
Supabase edge functions, Firebase cloud functions, JWT auth, user management, scalable REST APIs, real-time databases
𝟓. Svelte & Frontend Web Development:
SvelteKit, TailwindCSS, UI/UX design, responsive layouts, reusable component libraries, Figma to code
𝟔. Payment Gateway Integration:
Stripe, PayPal, Razorpay, secure checkout flows, subscriptions, eCommerce logic, webhooks
𝟕. Real-Time Features:
Firebase Realtime DB, Supabase Realtime, WebSockets, in-app messaging, activity feeds, event sync
𝟖. App Store & Cloud Deployment:
Vercel, Netlify, App Store Connect, Google Play Console, TestFlight, GitHub Actions, CI/CD pipelines
𝟗. Third-Party & Social Integrations:
Google Login, Facebook, OAuth2, Maps, QR scanner, YouTube embed, camera/file access, calendar sync
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲:
- 5+ years experience with React Native, Node.js, Svelte & full stack app delivery
- Strong focus on clean code, scalable architecture & responsive mobile-first design
- Seamless real-time features, AI chatbot integrations, and modern API connectivity
- End-to-end project ownership: planning, development, launch, and long-term support
- Collaborative and clear communication with fast delivery & agile mindset
Full Stack Developer | React Native Developer | Node.js Developer | Svelte Developer | SvelteKit Expert | AI Automation Developer | ChatGPT Integration | OpenAI Developer | Supabase Developer | Firebase Expert | TypeScript Developer | JavaScript Engineer | Cross-Platform App Developer | Realtime App Development | SaaS Platform Builder | Mobile App Developer | Stripe Integration | Backend API Developer | Cloud Deployment | Agile Developer | OAuth Integration | REST API Developer | GraphQL Developer | Web App Developer
📩 Ready to build your next full stack mobile or web app with AI-powered automation and real-time performance? Let’s connect and get started today.
Steps for completing your project
After purchasing the project, send requirements so Norina can start the project.
Delivery time starts when Norina receives requirements from you.
Norina works on your project following the steps below.
Revisions may occur after the delivery date.
Review the scope and codebase
I will review your requirements, application structure, dependencies, and current technical setup.
Diagnose issues and confirm the plan
I will identify the cause of each issue and confirm the recommended solution before implementation.




