You will get a custom AI SaaS application using Next.js, Python, and LLMs
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Project details
I build custom, production-ready AI SaaS applications that turn your idea into a scalable product. Using Next.js, Python, LLMs, RAG, AI agents, APIs, databases, authentication, and automation, I create fast, secure, user-friendly applications designed for real-world users not just prototypes.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$599
|
Standard
$999
|
Advanced
$1,499
|
|---|---|---|---|
| Delivery Time | 10 days | 16 days | 26 days |
Number of Revisions | 5 | 3 | 3 |
Number of Pages | 7 | 10 | 15 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code | - | - |
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TS
Tamir S.
Apr 5, 2026
Full Stack Developer Needed for Next.js & Python Project
Kulwant was an outstanding software developer to work with. He delivered high-quality code, communicated clearly throughout the project, and consistently went above and beyond to meet deadlines. His problem-solving skills and attention to detail made a huge difference. I’d highly recommend him to anyone looking for a reliable and talented developer.
MR
Matt R.
Feb 18, 2026
Converting AI Saas Songwriting Desktop to Mobile UI
Kulwant was fantastic, highly skilled and went above and beyond, highly recommend him for absolutely anything!
NW
Nikhilesh W.
Oct 1, 2025
Browser extension development
WW
Weiying W.
Mar 11, 2025
Frontend developer (fabric js)
DS
Davinder S.
Oct 24, 2024
Immediate MERN Stack Developer Needed
He was quick to understand our code and was able to start immediately with the work. He offered valuable suggestions. Will highly recommend him for MERN Stack project. His communication was top-notch, he met all deadlines, and his skills were quite strong. I enjoyed working with Kulwant and will likely have additional jobs for him in the future.
About Kulwant
Full-Stack Developer AI Engineer | RAG | LLM Apps | Next.js | Python
100%
Job Success
Palampur, India - 10:54 am local time
I'm a senior full-stack engineer who can build and take ownership of production-ready SaaS products, AI applications, and web platforms from frontend to backend and deployment using:
𝗥𝗲𝗮𝗰𝘁 | 𝗡𝗲𝘅𝘁.𝗷𝘀 | 𝗡𝗼𝗱𝗲.𝗷𝘀 | 𝗣𝘆𝘁𝗵𝗼𝗻 | 𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝗦𝗤𝗟 | 𝗦𝘂𝗽𝗮𝗯𝗮𝘀𝗲 | 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 | 𝗥𝗔𝗚 | 𝗟𝗟𝗠𝘀
Whether you need a new SaaS product, an AI feature added to an existing application, or an existing codebase fixed and taken to production, I can handle the full development lifecycle.
🚀 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 | 𝐑𝐞𝐚𝐜𝐭 | 𝐍𝐞𝐱𝐭.𝐣𝐬 | 𝐍𝐨𝐝𝐞.𝐣𝐬 | 𝐌𝐄𝐑𝐍 | 𝐀𝐈
✅ 𝐑𝐞𝐚𝐜𝐭 + 𝐍𝐞𝐱𝐭.𝐣𝐬 + 𝐍𝐨𝐝𝐞.𝐣𝐬 + 𝐏𝐲𝐭𝐡𝐨𝐧 + 𝐀𝐈 + 𝐒𝐚𝐚𝐒
✅ 𝐀𝐈 𝐒𝐚𝐚𝐒 | 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 | 𝐑𝐀𝐆 | 𝐋𝐋𝐌 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬
✅ 𝐎𝐩𝐞𝐧𝐀𝐈 | 𝐂𝐥𝐚𝐮𝐝𝐞 | 𝐆𝐞𝐦𝐢𝐧𝐢 | 𝐋𝐚𝐧𝐠𝐆𝐫𝐚𝐩𝐡 | 𝐂𝐫𝐞𝐰𝐀𝐈 | 𝐌𝐂𝐏
✅ 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐟𝐨𝐫 𝐌𝐕𝐏 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐋𝐨𝐧𝐠-𝐓𝐞𝐫𝐦 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
With 8+ years of experience in Full Stack Development and AI Engineering, I help startups and businesses turn ideas into reliable software from architecture and MVP development to AI integration, deployment, and long-term product growth.
𝐈 𝐡𝐚𝐯𝐞 𝐛𝐮𝐢𝐥𝐭 𝐬𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐟𝐨𝐫: 𝐒𝐚𝐚𝐒, 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐂𝐑𝐌, 𝐑𝐞𝐚𝐥 𝐄𝐬𝐭𝐚𝐭𝐞, 𝐑𝐞𝐜𝐫𝐮𝐢𝐭𝐦𝐞𝐧𝐭, 𝐅𝐢𝐧𝐓𝐞𝐜𝐡, 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧, 𝐄𝐝𝐮𝐜𝐚𝐭𝐢𝐨𝐧.
𝐌𝐲 𝐜𝐨𝐫𝐞 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐬:
----------------------------------------------
✅ 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 & 𝐀𝐈 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
• React.js & Next.js Applications
• TypeScript Development
• Node.js, FastAPI & Python Backends
• MERN Stack Development
• PostgreSQL, MongoDB, Redis
• REST & GraphQL APIs
• Performance Optimization
• Scalable System Architecture
• Multi-tenant SaaS architecture
• Authentication, subscriptions, and payment systems
• Admin dashboards and analytics
✅ 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 & 𝐀𝐠𝐞𝐧𝐭𝐢𝐜 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬
• AI agents and multi-agent systems
• OpenAI, Claude, Gemini, and LLM integrations
• LangGraph, LangChain, CrewAI, and MCP
• Tool calling and function calling
• AI-powered workflow automation
• Business process automation
✅ 𝐑𝐀𝐆 & 𝐊𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞-𝐁𝐚𝐬𝐞𝐝 𝐀𝐈 𝐒𝐲𝐬𝐭𝐞𝐦𝐬
• Retrieval-Augmented Generation (RAG)
• AI knowledge assistants
• Semantic search
• Document processing pipelines
• Embeddings and vector databases
• Enterprise AI search and knowledge systems
→ 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐓𝐨𝐨𝐥𝐬, 𝐈 𝐚𝐦 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐝 𝐢𝐧
✦ *𝐀𝐈 & 𝐋𝐋𝐌: OpenAI API, Claude, Gemini, LangGraph, LangChain, CrewAI, MCP
✦ 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: Python, JavaScript, TypeScript
✦ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: PostgreSQL, MySQL, MongoDB, Pinecone, Redis
✦ 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: AWS, Vercel, Azure, Docker, GitHub Actions
✦ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React.js, Vue.js, Next.js, Tailwind CSS, Material UI
✦ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Python, FastAPI, Node.js, Express.js, Laravel
✦ 𝐕𝐨𝐢𝐜𝐞 & 𝐒𝐩𝐞𝐞𝐜𝐡: Whisper, ElevenLabs, Twilio
✦ 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐈: Stable Diffusion, Midjourney, Runway
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲:
• I take ownership of architecture, development, deployment, and long-term maintenance.
• I write production-ready code that's easy to extend and maintain.
• I communicate clearly with regular updates and realistic timelines.
---------𝐖𝐡𝐚𝐭 𝐘𝐨𝐮'𝐥𝐥 𝐆𝐞𝐭----------
✔ Production-ready architecture
✔ Clean scalable code
✔ AI integration
✔ Deployment
✔ Documentation
✔ Long-term support
My strength is combining AI engineering with full-stack development. I can build the AI system, the Python backend, the Next.js frontend, the database layer, and the integrations required to turn an idea into a production-ready product.
If you're building an AI product, SaaS platform, or modern web application, I can help you design the right architecture and build the complete solution using Python, Next.js, and modern AI technologies.
Regards
Kulwant
Steps for completing your project
After purchasing the project, send requirements so Kulwant can start the project.
Delivery time starts when Kulwant receives requirements from you.
Kulwant works on your project following the steps below.
Revisions may occur after the delivery date.
After Gathering Requirements
- Review your requirements, features, goals, and technical needs. - Plan the application structure, database, APIs, and user experience. - Build the Next.js frontend, Python backend, and AI/LLM features.
After Development
- Integrate LLMs, RAG/AI agents, APIs, and test functionality. - Deploy the application and optimize performance, security, and responsiveness. - Review & Revisions: Share the completed work for your review and make the agreed revisions.