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$
USD
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I will build complex ai agents using langchain and langgraph for your business
Alexandre G
About this gig
Need an intelligent AI agent that actually works in production not just a demo?
I build custom AI agents using LangChain and LangGraph the industry-standard
frameworks for multi-step reasoning, tool use, and multi-agent orchestration.
What I deliver:
Single-agent or multi-agent systems tailored to your use case
RAG pipelines (Retrieval-Augmented Generation) over your documents or databases
Tool-calling agents that interact with APIs, databases, and external services
Conversational agents with memory and context management
LangGraph state machines for complex, multi-step workflows
Tech stack: Python, LangChain, LangGraph, Flask, OpenAI/Anthropic APIs,
vector databases (Chroma, Pinecone, Weaviate), Docker.
I have a PhD and build AI systems professionally this is not a side hustle
prompt-engineering gig. You get production-grade code with clean architecture,
documentation, and deployment-ready output.
Message me before ordering so we can align on scope and I can give you an
accurate estimate.
Get to know Alexandre G
Alexandre G
CTO CoFounder
- FromBrazil
- Member sinceMay 2026
Languages
English, Portuguese
I am an AI Engineer and automation specialist with 7 years of Python experience and deep expertise in LangChain, LangGraph, n8n, Flask, Evolution API, Chatwoot, and Docker. I build production-grade AI agents, multi-agent orchestration systems, RAG pipelines, workflow automations, and WhatsApp chatbots with zero recurring API costs.
FAQ
Q: What LLM providers do you support?
A: OpenAI (GPT-4o, GPT-4), Anthropic (Claude), and open-source models via Ollama or HuggingFace. We'll pick the best fit for your budget and use case.
Q: Can you integrate with my existing system?
A: Yes. I work with REST APIs, databases (PostgreSQL, MySQL, MongoDB), and can containerize everything with Docker for easy deployment.
Q: Do I need to provide API keys?
A: Yes, you'll need your own API keys for LLM providers. I'll guide you through setup.
Q: What if my project is more complex than Premium?
A: Message me and we'll scope a custom offer. I handle enterprise-grade multi-agent architectures.
