Senior Full Stack Engineer

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.

Design, develop, test, and maintain enterprise applications across all phases of the AI Software Development Life Cycle (AI-SDLC), including requirements analysis, technical design, implementation, deployment.

Primary Responsibilities:

• Design, develop, test, and maintain enterprise applications across all phases of the AI Software Development Life Cycle (AI-SDLC), including requirements analysis, technical design, implementation, deployment.
• Build and deliver scalable, secure, and high-performing applications and APIs, ensuring alignment with enterprise architecture and engineering standards
• Design and implement microservices-based, cloud-native solutions with a focus on scalability, resiliency, and operational readiness
• Collaborate with product owners, architects, and cross-functional teams to translate business requirements into well-defined technical solutions and implementation plans
• Develop backend services using Java (Spring Boot), and/or Python, ensuring maintainable, testable, and high-quality code
• Develop front end applications using Reacts/Angular/Next.js
• Design, develop, and integrate RESTful APIs and enterprise system integrations to support end-to-end business workflows
• Design and implement AI-powered solutions to address complex business problems, leveraging modern AI/GenAI technologies
• Build and operationalize Agentic AI solutions, including multi-step orchestration, tool integration, and workflow automation
• Knowledge on Adobe Experience Platform (AEP), including Real-Time Customer Profile, Identity Service, Data Ingestion, Adobe Journey Optimizer (AJO), and Campaign Orchestration capabilities.
• Build and Integrate data warehousing solutions such as Snowflake and Databricks manage large-scale data pipelines
• Develop Backend Pipeline Frameworks: Leverage modern pipeline frameworks and tools to improve development productivity. For example, use Databricks Delta Live Tables or Lakehouse pipelines to declaratively define data flows where applicable. Explore the use of Spark Declarative Lake flow Pipelines or similar technologies to simplify the orchestration of complex data processes
• Knowledge on RAG (Retrieval Augmented Generation) pipelines, enabling knowledge-driven and context-aware AI applications
• Participate in and contribute to the AI Product Development Lifecycle (AI PDLC), including model development, evaluation, deployment, and monitoring of AI solutions
• Implement and maintain CI/CD pipelines using GitHub Actions, enabling automated build, test, and deployment processes
• Manage infrastructure provisioning using Infrastructure as Code (Terraform) and support cloud-native deployment models
• Develop and deploy applications using Docker and Kubernetes (AKS), ensuring scalability and high availability
• Manage artifact lifecycle using JFrog / Artifactory and support efficient build and release processes
• Ensure adherence to Secure practices, including secure coding, vulnerability management, and compliance with enterprise standards
• Participate in Agile/Scrum ceremonies, including sprint planning, daily stand-ups, and retrospectives, ensuring timely and high-quality delivery
• Ensure solutions meet quality, performance, and security standards, including code reviews, testing, and monitoring
• Troubleshoot and resolve complex production issues, perform root cause analysis, and implement preventative fixes
• Contribute to architecture discussions, design decisions, and engineering standards
• Collaborate with stakeholders to drive continuous improvement, innovation, and adoption of modern technologies
• Identify opportunities to automate processes, reduce technical debt, and improve system performance and efficiency

What are the reasons to consider working for UnitedHealth Group? Put it all together - competitive base pay, a full and comprehensive benefit program, performance rewards, and a management team who demonstrates their commitment to your success. Some of our offerings include:

• Paid Time Off which you start to accrue with your first pay period plus 8 Paid Holidays
• Medical Plan options along with participation in a Health Spending Account or a Health Saving account
• Dental, Vision, Life& AD&D Insurance along with Short-term disability and Long-Term Disability coverage
• 401(k) Savings Plan, Employee Stock Purchase Plan
• Education Reimbursement
• Employee Discounts
• Employee Assistance Program
• Employee Referral Bonus Program
• Voluntary Benefits (pet insurance, legal insurance, LTC Insurance, etc.)

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:

• 4+ years of experience over API design, service integration, and backend system engineering
• 4+ years of experience building API-driven platforms, reusable frameworks, and enterprise-grade integrations
• 4+ years of experience engineering discipline Clean, testable, maintainable code, Debugging, performance tuning, and system optimization
• 3+ years of Deep backend engineering experience with Java (Spring Boot) and Python, include Streaming i.e Spark/Kafka, Azure Event Hubs, or similar platforms for real-time data
• 3+ years of proven expertise in designing and scaling microservices-based and distributed architectures, streaming technologies with strong focus on resilience, latency, and throughput
• 3+ years of proven exposure to frontend frameworks (React/Angular/Next.js) to support end-to-end solution delivery
• 3+ years of strong Azure cloud experience, building and operating cloud-native applications
• 3+ years of experience in SQL for data manipulation and query optimization and knowledge of Python and Apache Spark (using PySpark) for building data pipelines; ability to write efficient code for batch and streaming data transformations
• 3+ years of experience integrating data warehousing solutions such as Snowflake and managing large-scale data pipelines
• 3+ years of hands-on experience implementing CI/CD pipelines using GitHub Actions, along with Terraform-based infrastructure provisioning
• 3+ Strong experience with Docker and Kubernetes (AKS) for containerized deployments and JFrog / Artifactory for artifact lifecycle management
• 2+ years of experience using Azure, Databricks or an equivalent cloud-based data platform. Comfortable with managing clusters, using notebooks, and working with Delta Lake or Parquet files with familiarity with cloud data services and tools for pipeline orchestration
• 2+ Hands-on experience building AI-enabled systems using Agentic AI architectures (multi-step orchestration, tool usage), RAG pipelines with vector search and knowledge grounding, LLM orchestration, prompt engineering, and AI workflow automation
• 2+ years of experience in Python for AI pipelines, automation, and agent workflows
• 1+ years of working knowledge of the AI PDLC lifecycle (build, evaluate, deploy, monitor)
• Advanced ability to communicate effectively with both technical peers and non-technical stakeholders (explaining issues in plain language)

Preferred Qualifications:

• Working Knowledge of Adobe Experience Platform (AEP), including Real-Time Customer Profile, Identity Service, Data Ingestion, Adobe Journey Optimizer (AJO), and Campaign Orchestration capabilities
• Experience working in a team environment with agile methodologies
• Should be comfortable participating in collaborative development (code reviews, pair programming when needed) with ownership mindset and problem-solving skills
• All employees working remotely 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.

Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.

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.

Diversity creates a healthier atmosphere: UnitedHealth Group is an Equal Employment Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.

#RPO, #GREEN