I will build ai agents, ai voice agents, ai saas, ai automations


Level 1
Gig Summary
About this gig
Looking for an experienced AI developer to build a production-ready AI web application, AI SaaS or AI chatbot?
I engineer custom AI software end to end, with 9+ years building for startups worldwide. I take on the whole build: Architecture, Model Choice, Data Pipelines, Backend and Deployment. Most AI projects fail in production, not in the demo, so I design for the messy parts first: Real Data, Real Users, Real Edge Cases.
What I build:
- Agentic RAG & AI chatbots: LLMs with vector stores and function calling (OpenAI, Claude, Llama 3), trained on your data
- AI SaaS platforms: multi-agent workflows, tool execution, complex business logic
- AI voice agents: real-time TTS & STT with multi-language support
- Custom AI solutions: image/video models and sentiment analysis pipelines
- Production deployment: Python, FastAPI, Docker, AWS
Why work with me:
- Architecture-first: clean, maintainable code, no fragile no-code wrappers
- Full stack delivery: architecture through deployment and handover
- Built to last: monitoring, error handling and documentation included
Get to know Darshan Tiwari
Poblem Solving and Expert Advise
Level 1
- FromIndia
- Member sinceJul 2020
- Avg. response time1 hour
- Last delivery1 month
Languages
Hindi, English, German
My Portfolio
FAQ
What AI stack do you work with?
Python and FastAPI on the backend, LangChain/LlamaIndex for orchestration, OpenAI, Claude and Llama 3 for models, and vector stores like Pinecone, Qdrant or pgvector. React/Next.js when the project needs a UI. Everything ships containerised with Docker on AWS.
Can you connect the AI with my own data or documents?
Yes that's what agentic RAG is for. Send me your documents, database or knowledge base and the assistant answers from your content instead of generic model knowledge, with source citations so you can verify every answer.
What do you need from me to start?
A short description of the use case, any sample data or documents, and API access for systems you want connected. If you're unsure of scope, message me first and I'll map it out before you order.
Can you integrate with my existing app, APIs or database?
Yes. I regularly connect AI systems to existing backends, CRMs, payment providers and third-party APIs, including function calling so the AI can trigger real actions rather than just answer questions.
Will the system scale, and do I own the code?
You own all code and IP on delivery. Systems are built with clean architecture, error handling and monitoring so they hold up under real production traffic rather than only in a demo.
Do you provide support after delivery?
Yes every delivery includes documentation and a handover walkthrough, plus a support window of 2 weeks for fixes and minor changes. Ongoing maintenance and feature work can be arranged separately.
9 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
O 
onlineasset

India
Ongoing collaborationReliable A.I Engineer who priorities Trust and Efficiency, I really felt at ease while working with Darshan..... keep it up, 100% recommended and we will work again......
$50
Price
5 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationThanks for the accurate work, keep it up! I highly recommend your service. I hope you'll continue delivering the same excellent quality of work for me in the future.
$50
Price
4 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationAmazing, thank you for quick delivery.
$50
Price
2 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationGreat job, keep it up.....
$50
Price
3 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationPerfect again, thank you for making our team work easier, will send more work soon.....
$50
Price
1 day
Duration
D 
Seller's Response
Helpful?
9 reviews for this Gig
| (9) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
O 
onlineasset

India
Ongoing collaborationReliable A.I Engineer who priorities Trust and Efficiency, I really felt at ease while working with Darshan..... keep it up, 100% recommended and we will work again......
$50
Price
5 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationThanks for the accurate work, keep it up! I highly recommend your service. I hope you'll continue delivering the same excellent quality of work for me in the future.
$50
Price
4 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationAmazing, thank you for quick delivery.
$50
Price
2 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationGreat job, keep it up.....
$50
Price
3 days
Duration
Helpful?O 
onlineasset

India
Ongoing collaborationPerfect again, thank you for making our team work easier, will send more work soon.....
$50
Price
1 day
Duration
D 
Seller's Response
Helpful?

