Toptal

Toptal

Python Backend Development Talent with RAG and Agentic AI Experience

Asia OnlyRemotePosted Today
Full TimeRemote

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Job Description

Summary:We are seeking an experienced Python Backend Developer to design, build, and deploy scalable AI-powered applications using Retrieval-Augmented Generation, large language models, and agentic AI

Key Highlights

  • Design the end-to-end architecture for a scalable RAG system and AI chatbot.
  • Develop Python backend services, REST APIs, and microservices using FastAPI or similar frameworks.
  • Build document ingestion, chunking, embedding, indexing, retrieval, and reranking pipelines.
  • Implement vector search solutions using Azure AI Search or comparable vector databases.
  • Design autonomous AI agents capable of planning, reasoning, tool usage, and decision-making.

Qualifications

Required Qualifications

  • Required: 8 or more years of professional Python backend development experience.
  • Required: Strong experience designing REST APIs, microservices, asynchronous services, and distributed backend systems.
  • Required: Hands-on experience building production-grade RAG applications.
  • Required: Strong understanding of embeddings, document chunking, semantic search, vector indexing, retrieval strategies, and reranking.
  • Required: Hands-on experience developing AI agents and multi-step LLM workflows.
  • Required: Experience with agentic AI frameworks such as LangGraph, LangChain, CrewAI, AutoGen, or comparable platforms.
  • Required: Experience integrating LLMs through OpenAI, Azure OpenAI, Anthropic Claude, Gemini, or open-source model APIs.
  • Required: Ability to design AI architecture beyond basic prompt engineering.
  • Required: Experience integrating AI applications with APIs, databases, data pipelines, and enterprise systems.
  • Required: Experience implementing security, monitoring, logging, tracing, and observability for production services.
  • Required: Experience deploying containerized applications using Docker and cloud platforms such as Azure or AWS.
  • Required: Ability to independently translate business requirements into scalable technical solutions.
  • Required: Strong communication and collaboration skills in a distributed working environment.
  • Required: Availability for several hours of overlap with US working hours.

Skills & Technologies

PythonGoFastAPIAzureAWSDockerKubernetes

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Job Details

Employment Type

Full Time

Location

Asia Only

Work Mode

Remote

Posted

Today