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Senior Python AI Engineer

Cloud EngineerCloud EngineerFull TimeRemoteSeniorTeam 914Since 2005

Location

Worldwide

Posted

20 hours ago

Salary

0

Seniority

Senior

Job Description

Senior Python AI Engineer

Seeking Alpha

Role Description We are developing Ask Seeking Alpha — a high-load financial analysis system based on Large Language Models. The architecture is built on complex multi-agent orchestration using LangGraph, FastAPI, and Elasticsearch. We are looking for a Senior Python AI Engineer specialized in Generative AI to: - Design agent workflows - Optimize interactions with models (OpenAI, AWS Bedrock) - Ensure the reliability of non-deterministic systems in production Tech Stack: - Python (Asyncio) - FastAPI - LangChain - LangGraph - Pydantic - Elasticsearch - AWS Bedrock / OpenAI API - LangSmith Qualifications - Strong proficiency in modern Python - Deep understanding of asynchronous programming (asyncio) patterns - Experience with FastAPI and Pydantic (v2) - Production experience with LangChain - Hands-on experience or deep conceptual understanding of LangGraph (or similar state-machine based agent frameworks) - Strategies for handling LLM hallucinations and ensuring reliable outputs - Experience forcing LLMs to adhere to strict schemas (Pydantic/JSON mode) - Advanced strategies for managing limited context windows - Understanding the trade-offs between model size, latency, and cost Requirements - Reduce end-to-end latency through asynchronous processing and streaming (SSE) - Implement semantic caching strategies to minimize API costs and response time - Optimize token usage without sacrificing answer quality - Implement automated evaluation pipelines using LangSmith - Set up regression testing for prompts and agents to measure quality (correctness, faithfulness) before deployment - Refine retrieval strategies - Work on hybrid search implementation (Keyword + Vector), re-ranking, and query expansion Nice to Have - Experience with Elasticsearch (DSL queries, analyzers) - Knowledge of vector databases and embedding models - Background in FinTech or familiarity with financial data structures

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