You will get a ChatGPT like web application
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Project details
This platform has model trained on various variables and the datasets. The app can answer any of your questions within the seconds. The major feature of the web app, another features its comes with the latest GPT-4 you will get latest answers and quick resolutions.
Other than this, There are some subscription plans to use this platform after the trail ends.
Features:
• Voice Prompt
• Chat Prompt
• Chat History
• Various Models for specific need
• Latest GPT-4
• Better UI/UX
Other than this, There are some subscription plans to use this platform after the trail ends.
Features:
• Voice Prompt
• Chat Prompt
• Chat History
• Various Models for specific need
• Latest GPT-4
• Better UI/UX
Programming Languages
PHP, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$300
|
Standard
$1,000
|
Advanced
$3,500
|
|---|---|---|---|
| Delivery Time | 7 days | 14 days | 40 days |
Number of Revisions | 0 | 2 | 3 |
Number of Pages | 1 | 2 | 4 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | - | ||
Source Code | - | - |
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About Karan
Senior Full Stack Developer | Next.js, NestJS, SaaS & APIs
91%
Job Success
Mohali, India - 7:03 pm local time
I help startups, SaaS founders, and growing B2B businesses build production-ready SaaS products that are fast, scalable, maintainable, and designed for long-term growth. As a Full Stack Developer, I work across both frontend and backend development, building modern dashboards, backend systems, customer portals, admin panels, booking systems, AI-powered applications, and multi-tenant platforms.
I focus on clean architecture, reliable delivery, and building products that continue to scale as the business grows.
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𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 𝗔𝗦 𝗔 𝗙𝗨𝗟𝗟 𝗦𝗧𝗔𝗖𝗞 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥
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✅ SaaS Platforms & Startup MVPs - B2B SaaS, micro-SaaS, white-label SaaS
✅ Admin Dashboards & Internal Tools
✅ Multi-Tenant Applications
✅ REST APIs & GraphQL APIs - API versioning, rate limiting, microservices
✅ AI-Powered Applications & OpenAI Integrations - LLM-powered features, RAG pipelines, AI chatbots
✅ Stripe Billing & Subscription Systems - usage-based billing, metered billing
✅ Real-Time Applications using WebSockets
✅ Analytics Dashboards & Reporting Platforms
✅ Booking & Tracking Platforms
✅ Customer Portals & Business Automation Systems
As a Full Stack Developer, I can help build a product from idea → architecture → development → deployment → scaling.
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𝗠𝗬 𝗖𝗢𝗥𝗘 𝗦𝗧𝗔𝗖𝗞
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𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱:
React.js, Next.js 14/15 (App Router), TypeScript, Redux Toolkit, React Query (TanStack Query), Tailwind CSS, shadcn/ui
𝗕𝗮𝗰𝗸𝗲𝗻𝗱:
Node.js, NestJS, Express.js, REST API, GraphQL API
𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀:
PostgreSQL, MongoDB, Prisma, TypeORM, Redis
𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀:
AWS, Firebase, Docker, GitHub Actions, CI/CD, AWS (EC2, S3, Lambda, RDS)
𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀:
Stripe, OpenAI API, OAuth, JWT, S3, Resend / SendGrid , WebSockets
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𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 𝗔𝗦 𝗔 𝗙𝗨𝗟𝗟 𝗦𝗧𝗔𝗖𝗞 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥
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🔹 Built a Remote Online Notary SaaS platform using Next.js + NestJS with secure workflows, role-based access, and real-time features prompt engineering, and streaming responses.
🔹 Developed enterprise dashboards and workflow systems with scalable backend APIs and analytics reporting.
🔹 Worked on AI-powered applications, booking systems, customer portals, and multi-tenant SaaS products using modern TypeScript architecture.
🔹 Integrated Stripe billing, tenant onboarding flows, cloud-native deployment on AWS, OAuth authentication , subscriptions, authentication systems, cloud storage, and third-party APIs into production applications.
As a Full Stack Developer, I care about more than just completing tasks. I focus on writing maintainable code, improving product quality, and building systems that teams can continue scaling without unnecessary technical debt.
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𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘
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✔️ Clear communication & milestone-based delivery
✔️ Production-ready, scalable code
✔️ Strong SaaS & product mindset - I think like a founder, not just a developer
✔️ Fast iteration with long-term maintainability
✔️ Clean architecture & organized development
✔️ Calm, proactive, and collaborative - async-friendly for remote teams
Whether you need a Full Stack Developer to build a SaaS MVP, improve an existing product, develop scalable APIs, create modern dashboards, or integrate AI capabilities into your platform - I’d be happy to help.
Let’s build something solid.
- Karan Soni
Steps for completing your project
After purchasing the project, send requirements so Karan can start the project.
Delivery time starts when Karan receives requirements from you.
Karan works on your project following the steps below.
Revisions may occur after the delivery date.
Model training
We will train your model to enhance the performance of the app over time.

