Note: The job is a remote job and is open to candidates in USA. UnitedHealth Group is a global organization that delivers care aided by technology to improve health outcomes. The Senior Full Stack Software Engineer will design and develop scalable software solutions, lead technical discussions, and mentor team members while utilizing modern technologies and AI practices.

Responsibilities

• Design, develop, test, deploy, and maintain scalable, secure, and high‑quality software solutions supporting core business initiatives such as Prepare for Next Year (PFNY)
• Own complex technical components and services, exercising independent judgment in design, implementation, and operational decisions
• Implement and evolve future‑state architectures that enable a single, reusable content model across web and mobile platforms, improving consistency, scalability, and maintainability
• Develop and maintain full‑stack solutions using React, Node.js, and Java, ensuring alignment with enterprise architecture standards and best practices
• Design, develop, and maintain mobile applications using React Native, ensuring high performance and seamless user experiences across iOS and Android platforms
• Drive technical design and architecture discussions, including API design, data flows, and integration patterns, balancing immediate delivery with long‑term platform health
• Build and enhance CI/CD pipelines, automated testing, and deployment processes to support reliable, repeatable releases and strong operational outcomes
• Apply AI‑builder practices by leveraging AI‑assisted development tools and techniques to improve developer productivity, code quality, testing, documentation, and solution design
• Identify and implement opportunities where AI‑enabled capabilities can enhance system efficiency, operational excellence, or end‑user experience
• Partner closely with product, UX, content, and platform teams to translate business requirements into well‑architected technical solutions
• Participate in and lead code reviews, design reviews, and technical discussions, raising engineering standards and ensuring adherence to quality, security, and compliance requirements
• Support operational excellence, including monitoring, incident response, root‑cause analysis, and continuous improvement of system reliability and performance
• Provide senior‑level technical leadership through mentorship, knowledge sharing, and guidance, contributing to the growth and effectiveness of the engineering team
• Leverage enterprise-approved AI tools to streamline workflows, automate tasks, and drive continuous improvement

Skills

• Bachelor's degree in Computer Science or IT or Engineering field
• 5+ years of experience building full-stack applications with React front ends and Node.js/Java backends
• 4+ years of experience with HTML CSS and Typescript
• 3+ years of prior experience mentoring engineers, leading technical initiatives, or owning complex system components end-to-end
• 2+ years of experience developing mobile applications using React Native (or similar cross-platform frameworks)
• Experience with feature flags, experimentation platforms, or progressive delivery practices
• Experience identifying opportunities where AI can improve developer productivity, system reliability, or end-user experience
• Demonstrated experience using AI tools as part of the software development lifecycle (e.g., coding assistants, test generation, refactoring, documentation, or design support)
• Exposure to observability tooling (logging, metrics, tracing) and operational excellence practices
• Familiarity with cloud-native architectures and containerized deployments (Docker, Kubernetes, or equivalent)
• Ability to build, integrate, or consume AI-powered features or services, such as LLM-backed APIs, intelligent automation, or data-driven decision components
• Strong understanding of prompt engineering concepts, AI-assisted development workflows, and responsible AI considerations (security, privacy, and bias awareness)
• Comfort working in an AI-first engineering culture, where experimentation, iteration, and continuous learning are expected

Benefits

• A comprehensive benefits package
• Incentive and recognition programs
• Equity stock purchase
• 401k contribution (all benefits are subject to eligibility requirements)

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