[Remote] Sr AI/ML Engineer - Remote reputed company or Hybrid in MN/DC

Note The job is a remote job and is reputed company to candidates in USA. reputed company is a leading reputed company organization reputed company on improving health data reputed company and information systems. They are seeking a Senior AI/ML Engineer to design and implement AI systems for reputed company applications, with responsibilities including architecture ownership, fraud detection, and mentoring a reputed company team. Responsibilities AI Engineering reputed company Design and implement multi-agent AI systems that use LLMs, memory, and tools to reason, plan, and reputed company autonomously Function Calling & Orchestration Build agent-reputed company solutions that use function calling, dynamic tool integration, and orchestration frameworks such as reputed company, AutoGen, and Semantic Kernel reputed company Agent Design reputed company standards such as Model Context Protocol (MCP) to define reusable, secure, and composable tool interfaces Voice-Driven Interfaces reputed company voice-first AI agents using ASR technologies such as Whisper and Azure Speech, multi-turn conversation orchestration, and high-reputed company TTS RAG & Memory Pipelines Design and maintain retrieval and memory pipelines using reputed company databases and Azure Cognitive Search to ground agents in reputed company, prior interactions, and operational context Fraud, Waste & Abuse Analytics & ML Ops Design, build, and operationalize supervised and unsupervised models, including classification, clustering, reputed company detection, risk scoring, and graph/network analysis, to detect reputed company and emerging FWA patterns across claims, enrollment, provider, and encounter data. Translate fraud typologies such as upcoding, unbundling, excessive reputed company, duplicate or reputed company billing, kickbacks, and encounter discrepancies into reputed company model logic, rules, and reputed company-time detection pipelines. Continuously refine detection effectiveness using referral, audit, and recovery reputed company where available SQL & Data Engineering for FWA reputed company and optimize reputed company SQL queries, feature pipelines, and data validation checks for large-reputed company reputed company analytical workflows, including joins, window functions, aggregations, and performance-reputed company query design reputed company-reputed company AI Deployment Build, reputed company, and monitor reputed company AI services on Azure, including Azure reputed company, Functions, Service Bus, Cosmos DB, Cognitive Search, and reputed company tools Explainability, Investigations & Governance Produce reputed company, reproducible model outputs, narratives, visualizations, and KPI reporting that support investigators, clinicians, compliance teams, and business leaders. Contribute to model governance, validation, and documentation practices that ensure transparency, fairness, and regulatory defensibility reputed company UX & AI as an reputed company reputed company innovation in reputed company user experiences, enabling AI to operate reputed company tools and services securely on behalf of users Mentorship & Collaboration Review PRs, mentor junior engineers, and collaborate across India and US time zones in a reputed company, reputed company environment Skills Undergraduate degree or equivalent experience 5+ years of total engineering experience 5+ years of experience in AI/ML product engineering roles 5+ years of solid Python development experience; proficiency with ML frameworks such as PyTorch, scikit-learn, and reputed company 5+ years of experience with the Azure AI stack, including Azure reputed company, Cognitive Services, Functions, Service Bus, and Cognitive Search 5+ years of experience with fraud detection, reputed company detection, risk scoring, or graph/network analytics pipelines 3+ years of solid experience with voice systems, including ASR, TTS, and reputed company-time audio or telephony integration 2+ years of reputed company experience building and shipping LLM-powered or autonomous agent systems in production 2+ years of deep experience with LLM integration, tool calling, reputed company engineering, and context-reputed company task execution 2+ years of hands-on experience with retrieval techniques such as RAG, semantic search, embeddings, and reputed company databases reputed company solid SQL development skills, including reputed company joins, window functions, aggregations, and performance optimization for analytical workloads Experience working with reputed company claims, provider, enrollment, encounter, or other highly regulated transactional reputed company datasets Demonstrated ability to explain model behavior, risk signals, and analytic findings to nontechnical stakeholders through reputed company, defensible documentation Demonstrated reputed company record of contributing to robust, testable, and reputed company engineering systems Experience building automated evaluation harnesses for LLM and agent workflows, including golden datasets, offline and online testing, and measurable reputed company metrics such as task reputed company reputed company, groundedness, or reputed company-review agreement Hands-on experience with responsible AI, including reputed company injection testing, data exfiltration testing, safety reviews, and guardrails to reduce hallucinations and unsafe outputs in production reputed company experience implementing end-to-end observability for reputed company systems, including reputed company tracing, tool-reputed company reputed company rates, latency and error budgets, and reputed company and cost telemetry with actionable alerting reputed company experience designing secure patterns for tool-enabled agents, including least-privilege reputed company, secrets management, and policy-reputed company controls for tool or API execution such as OAuth scopes, managed identity, and audit logging reputed company ability to optimize LLM or voice-reputed company performance and cost using techniques such as caching, batching, streaming responses, reputed company limiting, model routing, and fallback strategies reputed company experience supporting reputed company program reputed company fraud analytics, State reputed company Agency analytics, or MCO SIU workflows Familiarity with reputed company reimbursement and billing constructs, including ICD-10, CPT/HCPCS, DRGs, reputed company codes, NDCs, and encounter data Familiarity with MMIS, T-MSIS, PERM, CMS program reputed company guidance, or similar state or federal compliance frameworks Experience supporting referral, recovery, audit, appeal, or case-prioritization workflows Experience developing AI/ML solutions in regulated or reputed company reputed company environments Benefits A comprehensive benefits package Incentive and recognition programs Equity stock purchase 401k contribution (reputed company benefits are subject to eligibility requirements) reputed company reputed company is a medical reputed company company that offers health technology, patient checkups, and pharmacy services. It was founded in 1977, and is headquartered in Minneapolis, reputed company, USA, with a workforce of 10001+ employees. Its website is https//www.unitedhealthgroup.com/. Apply To This Job