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Senior Full Stack Engineer – Java, React js

Optum

5 - 10 years

Hyderabad

Posted: 14/09/2025

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Job Description

We are hiring Senior Full Stack Engineers who are also AI Builders-engineers who harness the power of Generative AI to accelerate development, enhance user experience, and build smarter web portals. You’ll work in a fast-paced Agile environment, using tools like GitHub CopilotClaude, and Gemini AI to implement Vibe coding techniques and deliver high-impact solutions for our members.


Key Responsibilities:

Full Stack Development:

  • Build and enhance scalable web applications using Java (Spring Boot)React.js, and AWS.
  • Integrate AI-driven components such as smart search, personalized recommendations, and conversational interfaces.
  • Optimize application performance, security, and reliability.
  • Integrate AI-driven components such as smart search, personalized recommendations, and conversational interfaces.
  • Collaborate with UX/UI designers to create intuitive, responsive, and accessible user experiences.
  • Continuously experiment with AI-assisted workflows to improve development velocity and code quality.
  • Participate in architecture design, code reviews, and agile ceremonies.
  • Mentor peers on best practices for AI-assisted development
  • Work within Scrum or Kanban frameworks, participating in sprint planning, daily stand-ups, retrospectives, and demos.
  • Collaborate closely with Product Owners, Scrum Masters, and cross-functional teams to deliver incremental value
  • Use tools like JIRAConfluence, and Git to manage work and documentation.
  • Embrace a test-driven development (TDD) and shift-left testing mindset to ensure quality from the start

AI Builder Responsibilities:

  • Use GenAI tools (Copilot, Claude, Gemini AI) to ideate, prototype, and implement features efficiently.
  • Apply Vibe coding techniques to maintain clean, expressive, and AI-augmented codebases.
  • Develop internal tools and scripts using AI to automate repetitive tasks and improve productivity.
  • Stay current with emerging GenAI trends, tools, and ethical considerations.
  • Develop and maintain cross-platform Mobile applications using React Native OrWebusing ReactJS.
  • Able to Integrate AI Builder models into mobile apps or Web.

Required Qualifications:

  • 7+ years of experience in full stack development with Java (Spring Boot) and React.js.
  • Strong experience with AWS services (Lambda, API Gateway, S3, DynamoDB, etc.).
  • Proven experience using AI coding assistants like GitHub Copilot, Claude, Gemini AI.
  • Familiarity with prompt engineeringLLM APIs, and AI-enhanced development workflows.
  • Solid understanding of RESTful APIs, microservices architecture, and CI/CD pipelines.
  • Experience working in Agile teams with a strong understanding of Agile principles and ceremonies.

Preferred Qualifications:

  • Experience with GenAI platforms like OpenAI, Anthropic, Google Vertex AI.
  • Exposure to serverless architecture, containerization (Docker, Kubernetes).
  • Knowledge of ethical AI practices and data privacy considerations.
  • Experience building intelligent UI components (e.g., chatbots, smart forms, predictive inputs).

Country: IN

About Company

Optum is a leading health services and innovation company, part of UnitedHealth Group. It combines data, technology, and clinical expertise to improve healthcare delivery, reduce costs, and enhance outcomes. Optum operates across three core areas: OptumHealth (care delivery), OptumInsight (data and analytics), and OptumRx (pharmacy care services), serving millions of individuals, employers, and healthcare organizations globally.

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