Senior Software Engineer II

Requisition Number: 2352287
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 inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.
Software engineering is the application of engineering to the design, development, implementation, testing and maintenance of software in a systematic method. The roles in this function will cover all primary development activity across all technology functions that ensure we deliver code with high quality for our applications, products and services and to understand customer needs and to develop product roadmaps.
These roles include, but are not limited to analysis, design, coding, engineering, testing, debugging, standards, methods, tools analysis, documentation, research and development, maintenance, new development, operations and delivery. With every role in the company, each position has a requirement for building quality into every output. This also includes evaluating new tools, new techniques, strategies; Automation of common tasks; build of common utilities to drive organizational efficiency with a passion around technology and solutions and influence of thought and leadership on future capabilities and opportunities to apply technology in new and innovative ways. Generally work is self-directed and not prescribed.
Primary Responsibilities:

• Architect, design, and develop scalable, secure, low-latency backend services and REST/gRPC APIs
• Build and optimize distributed systems, microservices, data pipelines, and asynchronous event-driven workflows
• Integrate backend services with AI/ML models, LLM-based components, or AI-driven decision systems
• Drive design discussions, perform code reviews, and uphold engineering excellence
• Collaborate with Product, Architecture, DevOps, and Data Science teams to deliver end-to-end features
• Ensure system reliability, monitoring, observability, and adherence to performance SLAs
• Mentor junior engineers on backend fundamentals, design patterns, and clean code principles
• Build AI/ML-powered alerting, anomaly detection, and auto-remediation for dispensing and workload flows
• Create Splunk and Dynatrace dashboards, alerts, and health indicators for API and WLB performance
• Integrate system workflows with ServiceNow (incident, problem, automation)
• Document APIs, workflows, disposition logic, runbooks, and operational processes
• Works with less structured, more complex issues
• Serves as a resource to others
• Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or related field
• 6+ years in software or application engineering
• Solid Java development experience with API-first architectures
• Solid Azure experience (App Services, Functions, AKS, SQL, Key Vault, etc.)
• Hands-on experience on backend development using Java
• Experience in building microservices, distributed systems, event-driven architecture, and high-throughput services
• Experience with cloud platforms (Azure preferred), CI/CD, Docker, Kubernetes
• Experience in product-based companies with solid engineering culture
• Expertise with Splunk, Dynatrace, and log-based troubleshooting
• Expertise with SQL (MySQL/PostgreSQL) and NoSQL (DynamoDB/MongoDB/Cassandra) databases
• Knowledge of messaging and streaming systems like Kafka, SQS/SNS, Pub/Sub
• Solid understanding of concurrency, multithreading, caching (Redis), API best practices
• Solid proficiency in Data Structures, Algorithms, OOP, System Design

Preferred Qualifications:

• Experience using AI/ML for intelligent alerting or automated L1/L2 support
• Experience with Kubernetes and containerization
• Infrastructure-as-Code experience (Terraform, Bicep, ARM)
• Background in pharmacy, PBM, or dispensing systems

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.