Senior Full Stack Engineer

Join OptumOptum 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 standardsDesign and implement microservices-based, cloud-native solutions with a focus on scalability, resiliency, and operational readinessCollaborate with product owners, architects, and cross-functional teams to translate business requirements into well-defined technical solutions and implementation plansDevelop backend services using Java (Spring Boot), and/or Python, ensuring maintainable, testable, and high-quality codeDevelop front end applications using Reacts/Angular/Next.jsDesign, develop, and integrate RESTful APIs and enterprise system integrations to support end-to-end business workflowsDesign and implement AI-powered solutions to address complex business problems, leveraging modern AI/GenAI technologiesBuild and operationalize Agentic AI solutions, including multi-step orchestration, tool integration, and workflow automationKnowledge 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 pipelinesDevelop 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 processesKnowledge on RAG (Retrieval Augmented Generation) pipelines, enabling knowledge-driven and context-aware AI applicationsParticipate in and contribute to the AI Product Development Lifecycle (AI PDLC), including model development, evaluation, deployment, and monitoring of AI solutionsImplement and maintain CI/CD pipelines using GitHub Actions, enabling automated build, test, and deployment processesManage infrastructure provisioning using Infrastructure as Code (Terraform) and support cloud-native deployment modelsDevelop and deploy applications using Docker and Kubernetes (AKS), ensuring scalability and high availabilityManage artifact lifecycle using JFrog / Artifactory and support efficient build and release processesEnsure adherence to Secure practices, including secure coding, vulnerability management, and compliance with enterprise standardsParticipate in Agile/Scrum ceremonies, including sprint planning, daily stand-ups, and retrospectives, ensuring timely and high-quality deliveryEnsure solutions meet quality, performance, and security standards, including code reviews, testing, and monitoringTroubleshoot and resolve complex production issues, perform root cause analysis, and implement preventative fixesContribute to architecture discussions, design decisions, and engineering standardsCollaborate with stakeholders to drive continuous improvement, innovation, and adoption of modern technologiesIdentify opportunities to automate processes, reduce technical debt, and improve system performance and efficiencyWhat 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 HolidaysMedical Plan options along with participation in a Health Spending Account or a Health Saving accountDental, Vision, Life& AD&D Insurance along with Short-term disability and Long-Term Disability coverage401(k) Savings Plan, Employee Stock Purchase PlanEducation ReimbursementEmployee DiscountsEmployee Assistance ProgramEmployee Referral Bonus ProgramVoluntary 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 engineering4+ years of experience building API-driven platforms, reusable frameworks, and enterprise-grade integrations4+ years of experience engineering discipline Clean, testable, maintainable code, Debugging, performance tuning, and system optimization3+ 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 data3+ years of proven expertise in designing and scaling microservices-based and distributed architectures, streaming technologies with strong focus on resilience, latency, and throughput3+ years of proven exposure to frontend frameworks (React/Angular/Next.js) to support end-to-end solution delivery3+ years of strong Azure cloud experience, building and operating cloud-native applications3+ 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 transformations3+ years of experience integrating data warehousing solutions such as Snowflake and managing large-scale data pipelines3+ years of hands-on experience implementing CI/CD pipelines using GitHub Actions, along with Terraform-based infrastructure provisioning3+ Strong experience with Docker and Kubernetes (AKS) for containerized deployments and JFrog / Artifactory for artifact lifecycle management2+ 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 orchestration2+ 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 automation2+ years of experience in Python for AI pipelines, automation, and agent workflows1+ 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 capabilitiesExperience working in a team environment with agile methodologiesShould 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 PolicyPay 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