I will build an ai rag chatbot and a knowledge base backend

S
sany2k8
S
sany2k8
Mr. S

Level 1

build an ai rag chatbot and a knowledge base backend
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build an ai rag chatbot and a knowledge base backend
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build an ai rag chatbot and a knowledge base backendbuild an ai rag chatbot and a knowledge base backendbuild an ai rag chatbot and a knowledge base backend

About this gig

What I can build

  • AI RAG chatbot
  • Knowledge base backend
  • Document upload and processing
  • PDF, DOCX, TXT and URL ingestion
  • Text chunking and embeddings
  • Vector database integration
  • Semantic search
  • LLM-powered responses
  • Source citations
  • REST APIs
  • Chat history
  • User authentication
  • Admin/document management
  • Dockerized deployment
  • Cloud deployment


Technology Stack

  • Python
  • FastAPI
  • Pydantic
  • PostgreSQL
  • Redis


AI / RAG

  • OpenAI
  • Anthropic
  • LangChain
  • Custom RAG pipelines


Vector Search

  • PostgreSQL + pgvector
  • Qdrant
  • Pinecone
  • Weaviate
  • Chroma
  • FAISS
  • Elasticsearch


Infrastructure

  • Docker
  • AWS
  • GCP
  • DigitalOcean
  • Nginx


Perfect for

  • SaaS applications
  • Customer support bots
  • Internal company knowledge bases
  • Documentation assistants
  • AI-powered search
  • Product knowledge assistants
  • HR and employee assistants
  • E-commerce assistants
  • Research/document assistants
  • Business automation


Why work with me?

I am a Senior Software Engineer with 10+ years of software development experience, specializing in Python backend systems, APIs, databases, distributed systems, cloud infrastructure, and scalable application architecture.


  • AI engine

    • ChatGPT
    • Claude
    • Gemini
    • Vertex AI
    • Grok

  • Tools & frameworks

    • LangChain
    • LangGraph
    • LlamaIndex
    • n8n

  • AI solution type

    • Rag system

  • Purpose

    • Customer support
    • Sales assistance
    • Knowledge management
    • Document processing
    • Customer service
    • Employee productivity
    • Internal operations
    • It support

Get to know Mr. S

Mr. S

working

5.0(143)

Level 1

  • FromBangladesh
  • Member sinceJul 2017
  • Avg. response time1 hour
  • Last delivery4 months

  • Languages

    English
As a Senior Software Engineer, I specialize in architecting and scaling modern web applications and distributed systems. From backend microservices to cloud infrastructure, I deliver robust, maintainable solutions across the full development lifecycle. I excel at building high-performance APIs, optimizing databases, and engineering automated CI/CD pipelines. By aligning technical strategy with your business goals, I ensure your vision becomes a high-quality reality. Let’s collaborate to build a scalable solution tailored to your needs.

Other AI Development Services I Offer

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