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 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.

Primary Responsibilities:

• Build AI agents using Python, LangChain/LangGraph, and protocols like ReACT/ReWOO, RAG, A2A
• Develop UI components and chatbots using React, Next.js, TypeScript/JavaScript, HTML, CSS
• Implement Generative UI patterns and integrate LLM-driven interactions
• Ensure responsive and high-performance front-end design
• Collaborate on back-end integration with Azure services
• Apply Jest and Cypress for UI testing and pytest for backend validation
• Optimize performance for real-time AI interactions
• Maintain secure state management and prompt history handling
• Use modern tooling (yarn, npm, Vite, Storybook) for development workflows
• Participate in architecture discussions and code reviews
• 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

• Bachelor's or Master's in Computer Science, Engineering, or related field
• 4+ years of experience in full-stack development
• Experience with AI agent frameworks and Azure cloud services
• Knowledge of testing frameworks (pytest, Jest, Cypress)
• Solid understanding of responsive and accessible design
• Familiarity with CI/CD and containerization
• Proficiency in Python and front-end frameworks (React, Next.js)
• Proven ability to optimize for real-time interactions
• Proven excellent problem-solving and debugging skills
• Proven solid communication and teamwork abilities