I will build rag, nlp, live sentiment analysis and llm chatbot apps
AI Systems Engineer From Idea to Deployment
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
What people loved about this freelancer
santoshr61

United States
Arman is a thorough professional. He understands requirements well, asks good questions and then gets it done. It’s my third project and I am very pleased with Arman and his professionalism.
michaelruocco

United Kingdom
Very good work. Exceptional outcome. Great person to work with. Will definitely come back to with Arman, again. Great stuff!!
cin011

United States
Arman's work and fast communication was exceptional. His work exceeded expectations, showcasing remarkable attention to detail and professionalism. Collaborating...
sarahbarnett15

United States
Arman delivered high-quality BERTopic visualizations and trend analysis for my research project. He did the work extremely efficiently (less than projected...
About this Gig
Hi, I'm Arman, with 5+ years of experience in NLP and AI/Machine Learning and 3+ years building RAG and LLM applications.
I do not only build models. I build usable AI applications from simple NLP pipelines to live sentiment monitoring systems, RAG chatbots, dashboards, APIs, databases, scheduled data collection, and business-ready LLM workflows.
Services include:
- Text Classification & Sentiment Analysis
- Live Sentiment Monitoring Apps
- Live Complaint & Feedback Classification
- Topic Modeling & Summarization
- Chatbot & Conversational AI Development
- LLM Applications & Text Generation
- Question Answering Systems & Knowledge Bases
- Information Extraction & Document Intelligence
- Retrieval-Augmented Generation (RAG)
- LLM Fine-tuning for Specific Domains
Technologies:
- Hugging Face Transformers (BERT, RoBERTa, DistilBERT, T5)
- GPT-4, Llama & Mistral apps
- LangChain & LlamaIndex for RAG Applications
- OpenRouter & LLM APIs
- Vector Databases (Pinecone, Weaviate, FAISS, Chroma)
- BERTopic & Advanced Topic Modeling
- FastAPI, Databases & Automation Workflows
Message me with your dataset, use case, or project idea before placing an order.
My Portfolio
Other Data Science & ML Services I Offer
FAQ
Can you build RAG and LLM-powered applications?
Yes. I can build RAG applications, document Q&A systems, knowledge-base chatbots, and LLM-powered workflows using your documents, PDFs, websites, or internal data. These systems can include retrieval, vector databases, source-based answers, APIs, and deployment depending on the project scope.
Can you build live sentiment analysis apps?
Yes. I can build sentiment analysis systems ranging from simple classification models to live monitoring apps. A live system can include scheduled data collection, complaint classification, database storage, dashboards, alerts, and trend analysis depending on your requirements.
Can you work with my documents, PDFs, reviews, or custom text data?
Yes. I work with many types of text data including PDFs, reports, customer reviews, support tickets, research papers, emails, and custom datasets.
Can you integrate this into my existing product or workflow?
Yes. I can provide APIs, dashboards, backend services, database integration, or deployment-ready applications. Depending on your scope, the system can be integrated with your app, website, internal workflow, cloud server, or existing business tools.
Can you help if I'm not sure which NLP solution I need?
Absolutely. Send me your dataset, use case, or project idea and I'll recommend the most practical NLP, RAG, or LLM approach before you place an order.
Do you support deployment and production environments?
Yes. I can support production-ready NLP/RAG apps with FastAPI, AWS EC2/S3/RDS, Docker, databases, vector databases, automation workflows, and cloud deployment depending on your scope.
10 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M 
michaelruocco
Repeat Client

United Kingdom
Just great! would use again no problem at all.
$400-$600
Price
12 days
Duration
Helpful?S santoshr61
Repeat Client

United States
Arman is a thorough professional. He understands requirements well, asks good questions and then gets it done. It’s my third project and I am very pleased with Arman and his professionalism.
$600-$800
Price
3 weeks
Duration
Helpful?S santoshr61
Repeat Client

United States
Very satisfied..all requirements were met. Good communication thru the process.
$600-$800
Price
10 days
Duration
Helpful?M 
michaelruocco
Repeat Client

United Kingdom
Very good work. Exceptional outcome. Great person to work with. Will definitely come back to with Arman, again. Great stuff!!
$400-$600
Price
5 days
Duration
Helpful?I instapulse

Canada
Great work delivered ahead of schedule.
$200-$400
Price
2 days
Duration
Helpful?
10 reviews for this Gig
| (10) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M 
michaelruocco
Repeat Client

United Kingdom
Just great! would use again no problem at all.
$400-$600
Price
12 days
Duration
Helpful?S santoshr61
Repeat Client

United States
Arman is a thorough professional. He understands requirements well, asks good questions and then gets it done. It’s my third project and I am very pleased with Arman and his professionalism.
$600-$800
Price
3 weeks
Duration
Helpful?S santoshr61
Repeat Client

United States
Very satisfied..all requirements were met. Good communication thru the process.
$600-$800
Price
10 days
Duration
Helpful?M 
michaelruocco
Repeat Client

United Kingdom
Very good work. Exceptional outcome. Great person to work with. Will definitely come back to with Arman, again. Great stuff!!
$400-$600
Price
5 days
Duration
Helpful?I instapulse

Canada
Great work delivered ahead of schedule.
$200-$400
Price
2 days
Duration
Helpful?

