• Build core components of the data platform • Develop reusable data access layers • Implement schema enforcement and validation gates • Build the observability framework to monitor pipeline health • Participate in design discussions and code reviews

• Lead the design and implementation of internal SDKs and self-service frameworks • Shift from "pipeline building" to "platform engineering," creating reusable patterns for batch and real-time event processing • Take full ownership of the cost-effectiveness of the Databricks ecosystem • Ensure the platform remains performant as volume grows • Implement Schema-on-Write validation and Data Contracts to ensure data meets strict quality standards • Partner with the Data Architect & Data Stewards to enforce data privacy and security standards • Champion the use of AI-assisted development tools to accelerate the engineering lifecycle • Mentor engineers on distributed computing best practices

• Define how data is understood, accessed, and used by AI systems across the company. • Build clean, reusable analytical data layers in BigQuery. • Move business logic from BI into the warehouse. • Define metrics, dimensions, and semantic consistency. • Enable reliable AI ↔ data interaction. • Design schemas + instructions so AI produces correct outputs. • Test and refine real AI usage (not theory). • Implement data-layer access control (not BI-layer). • Ensure consistent behavior across BI, AI, and internal tools. • Ensure metric reconciliation across different data sources. • Prevent sensitive data leakage and uncontrolled query cost. • Replace manual data workflows with AI-driven processes. • Build agents for reporting, validation, and internal analytics.

Title: Data Engineer Location: Remote - United States Requisition number: 2352233 Job category: Technology Primary location: San Antonio, TX Overtime status: Exempt Travel: No Job Description: Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together. You will enjoy the flexibility to telecommute* from anywhere within the U.S. as you take on some tough challenges. Primary Responsibilities: - Design and maintain scalable data models for large-scale systems ensuring optimal performance - Develop and manage robust ETL/ELT pipelines for data ingestion and transformation from heterogeneous sources - Apply strong SQL skills for complex queries and performance tuning across large datasets - Develop and maintain Python-based solutions for data processing, automation, and integration tasks - Build and optimize workflows on Azure Cloud services and Databricks to support enterprise data needs - Implement security and compliance measures for handling PHI/PII data in accordance with HIPAA or similar regulations - Support AI/ML workflows by provisioning infrastructure and collaborating with data scientists for predictive analytics integration - Work closely with cross-functional teams to gather requirements and deliver data solutions while effectively communicating technical concepts to stakeholders - Ensure data quality, integrity, and audit readiness across all systems - Create interactive dashboards and reports using Power BI or Tableau to deliver actionable insights - Utilize advanced data modeling techniques to design efficient and scalable architectures - Stay updated with emerging technologies in data engineering and cloud platforms to drive process improvements and best practices for data lifecycle management You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear directions on what it takes to succeed in your role as well as provide development for other roles you may be interested in. Required Qualifications: - High School Diploma/GED - 3+ years of overall experience in Data Engineering or related field Preferred Qualifications: - Strong expertise in SQL and data modeling for large-scale systems - Strong experience in ETL/ELT frameworks - Proven experience integrating data from heterogeneous source systems - Strong experience with Databricks, Python, Azure cloud services, Power BI or Tableau - Good experience with Azure data factory - Familiarity with AI/ML frameworks and supporting infrastructure for data science workflows - Experience working with PHI/PII and restricted client data in compliance with HIPAA or similar regulations - Strong communication, stakeholder management, and cross-functional collaboration skills - All Telecommuters will be required to adhere to UnitedHealth Group's Telecommuter Policy. Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $72,800 to $130,000 annually based on full-time employment. We comply with all minimum wage laws as applicable. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location, and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups, and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission. UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment. #RPO #GREEN