Jobs · Engineering

Lead Software Engineer - Remote

Optum · Richardson, TX · 4 days ago
Engineering$113k–$193k/yrFull-time

Primary Responsibilities

  • Agentic AI Architecture & Delivery
    • Design and implement (multi) agentic workflows where LLMs plan, decompose tasks, invoke tools/APIs, and synthesize answers across heterogeneous data sources and services
    • Build retrieval augmented generation (RAG) and hybrid search pipelines to power robust question answering over clinical and operational data
    • Design, code, test, document, and maintain high quality, scalable Big Data and cloud solutions
    • Develop scalable microservices and APIs for integrating agent capabilities into clinician tools and internal apps
    • Create prototypes/POCs and conduct design/code reviews to derisk delivery and raise engineering quality
  • LLMs, GenAI & Model Adaptation
    • Leverage and adapt LLMs; perform prompt engineering, grounding, guard railing, and domain adaptation for healthcare terminology and tasks
    • Design intelligent frameworks and finetune models for compliance, accuracy, and ethical standards
    • Establish evaluation frameworks (automatic + human in the loop) to measure faithfulness, helpfulness, bias, toxicity, privacy leakage, and overall quality
  • Data & Platform Engineering
    • Partner with data engineering to build feature/retrieval stores, embeddings pipelines, and ETL/ELT jobs on Spark/Databricks; design analytics models and rules engines
    • Define and develop APIs for integrations across the enterprise; improve data access patterns for low latency inference
  • Delivery, MLOps & Reliability
    • Own MLOps/LLMOps: CI/CD for models/prompts, automated tests (unit/contract/eval), versioning, lineage, rollback; enable blue/green or canary releases
    • Instrument SLOs/SLIs (latency, availability, hallucination/defect rate) and cost KPIs (tokens, GPU hours) with dashboards and alerts
    • Lead production deployments on internal platforms (e.g., UAIS) with solid observability, reliability, and cost controls
  • Security, Privacy & Compliance
    • Champion HIPAA and regulated industry controls; integrate access controls, PHI/PPI safeguards, data minimization, encryption, and auditability
    • Collaborate with legal, compliance, and clinical safety to operationalize Responsible AI principles
  • Product, Estimation & Collaboration
    • Analyze and define customer requirements; assist in defining product technical architecture and delivery roadmaps
    • Provide effort estimates and inputs for resource planning; collaborate with QA, architecture, and peer teams
    • Write technical documentation, support production, and mentor engineers, and keep skills current through continuous learning

Required Qualifications

  • Bachelor's degree in Engineering, Computer Science, IT, or related fields
  • 10+ years of total technology experience
  • 8+ years hands on software development/data engineering/analytics with solid AI/ML delivery (Azure preferred) with Scala, Python, PySpark
  • 4+ years hands on with Databricks
  • 4+ years with ADF/Airflow (orchestration/scaling)
  • 4+ years with big data & streaming (Hadoop, MapReduce/HDFS, Spark, Kafka); Docker/Kubernetes
  • 4+ years with MySQL and NoSQL databases
  • 4+ years with Agile/Scrum, GitHub, Jenkins CI/CD, JUnit; solid coding standards and code reviews
  • 2+ years with LLMs & GenAI (Langchain, LangGraph, RAG, Vector DB, Azure Open AI, MCP Server, Agents, LangFuse)
  • 2+ years of experience with container (Docker/Kubernetes)
  • 1+ years with Proficiency building services or full stack apps (e.g., FastAPI/Flask, Node.js, React/Angular, TypeScript, HTML/CSS)

Preferred Qualifications

  • Healthcare experience; familiarity with clinical datasets
  • Experience working in regulated industries, with knowledge of ethical AI/ML practices and compliance requirements
  • SOA and enterprise integration concepts
  • Publications/patents or notable open-source contributions
  • Proven excellent analysis, problem solving, and communication skills

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