{"schemaVersion":"jobsearcher.job.v1","id":"78b5e3483e4dabb109ff770d","url":"https://jobsearcher.com/jobs/78b5e3483e4dabb109ff770d","canonicalUrl":"https://jobsearcher.com/jobs/78b5e3483e4dabb109ff770d","title":"AI/ML Developer","description":"Job Title:AI/ML DeveloperLocation:St Louis (4 days onsite/week) (Candidates in STL preferred)JD:We are looking for a skilled AI/ML Developer to join our agentic platform team. You will design, develop, and deploy LLM-powered agents and pipelines that directly serve field technicians in production. You will work closely with the platform architect and contribute to the core multi-agent orchestration system.Key ResponsibilitiesDesign and develop LLM-powered agents using LangGraph and LangChain frameworksBuild and enhance multi-agent orchestration pipelines with conditional routing, state management, and error recoveryDevelop RAG pipelines with hybrid search (semantic + keyword), re-ranking, and Reciprocal Rank FusionImplement tool-calling agents with parallel API execution, sequential enrichment chains, and summarizationBuild real-time streaming capabilities (WebSocket / SSE) for conversational AI Integrate with Azure OpenAI APIs with circuit breaker patterns and fallback chainsImplement prompt engineering and dynamic prompt management (DB-backed with in-memory caching)Design and implement multi-modal AI features (image analysis with vision models)Write production-quality Python code with error handling, logging, observability, and unit testsParticipate in code reviews, architecture discussions, and sprint deliveryRequired Skills & ExperienceMust-Have10+ years of software development with strong Python expertise in production environments2+ years hands-on LLM development (LangChain, LangGraph, or equivalent frameworks)RAG pipeline experience - embeddings, vector search, re-ranking, answer generationLLM APIs - OpenAI Chat Completions, Responses API, streaming, tool callingAsync Python - asyncio, httpx, FastAPIPrompt engineering - system prompts, few-shot, structured JSON outputCircuit breaker patterns, retry logic, resilient service designPostgreSQL and async ORMs (SQLAlchemy async / Alembic)Git, CI/CD, Docker, Kubernetes basicsStrong system design skills - microservices, distributed systems, API designNice-to-HaveLangGraph StateGraph (conditional edges, node pipelines, compiled graphs)Multi-agent systems - orchestration, routing, RBAC-based access controlLangfuse or similar LLM observability (tracing, token usage, latency)WebSocket and SSE streaming protocolsMulti-modal AI (vision models, image analysis)Vector databases (OpenSearch, Pinecone, pgvector)AWS services (Aurora PostgreSQL, SSM, IAM, EKS)Telecommunications or field service domain experience#J-18808-Ljbffr","company":"Tech3pillars Technologies","rawCompany":"tech3pillars technologies","city":"St Louis","state":"MO","isRemote":false,"isActive":false,"createdAt":"2026-10-14T01:32:52.048Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"AI/ML Developer","description":"Job Title:AI/ML DeveloperLocation:St Louis (4 days onsite/week) (Candidates in STL preferred)JD:We are looking for a skilled AI/ML Developer to join our agentic platform team. 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You will work closely with the platform architect and contribute to the core multi-agent orchestration system.Key ResponsibilitiesDesign and develop LLM-powered agents using LangGraph and LangChain frameworksBuild and enhance multi-agent orchestration pipelines with conditional routing, state management, and error recoveryDevelop RAG pipelines with hybrid search (semantic + keyword), re-ranking, and Reciprocal Rank FusionImplement tool-calling agents with parallel API execution, sequential enrichment chains, and summarizationBuild real-time streaming capabilities (WebSocket / SSE) for conversational AI Integrate with Azure OpenAI APIs with circuit breaker patterns and fallback chainsImplement prompt engineering and dynamic prompt management (DB-backed with in-memory caching)Design and implement multi-modal AI features (image analysis with vision models)Write production-quality Python code with error handling, logging, observability, and unit testsParticipate in code reviews, architecture discussions, and sprint deliveryRequired Skills & ExperienceMust-Have10+ years of software development with strong Python expertise in production environments2+ years hands-on LLM development (LangChain, LangGraph, or equivalent frameworks)RAG pipeline experience - embeddings, vector search, re-ranking, answer generationLLM APIs - OpenAI Chat Completions, Responses API, streaming, tool callingAsync Python - asyncio, httpx, FastAPIPrompt engineering - system prompts, few-shot, structured JSON outputCircuit breaker patterns, retry logic, resilient service designPostgreSQL and async ORMs (SQLAlchemy async / Alembic)Git, CI/CD, Docker, Kubernetes basicsStrong system design skills - microservices, distributed systems, API designNice-to-HaveLangGraph StateGraph (conditional edges, node pipelines, compiled graphs)Multi-agent systems - orchestration, routing, RBAC-based access controlLangfuse or similar LLM observability (tracing, token usage, latency)WebSocket and SSE streaming protocolsMulti-modal AI (vision models, image analysis)Vector databases (OpenSearch, Pinecone, pgvector)AWS services (Aurora PostgreSQL, SSM, IAM, EKS)Telecommunications or field service domain experience#J-18808-Ljbffr","datePosted":"2026-10-14T01:32:52.048Z","dateModified":"2026-10-14T01:32:52.048Z","hiringOrganization":{"@type":"Organization","name":"Tech3pillars Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"St Louis","addressRegion":"MO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"78b5e3483e4dabb109ff770d"},"url":"https://jobsearcher.com/jobs/78b5e3483e4dabb109ff770d"}}