Senior Software Engineer II Java React

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

Front end and backend Expertise

• Design, develop, and maintain scalable and responsive web applications using ReactJS, TypeScript, JavaScript, HTML, and CSS
• Lead frontend architecture discussions and implement best practices for performance, maintainability, and scalability
• Participate in solution design, technical planning, and application modernization initiatives
• Develop and integrate REST APIs, ensuring seamless communication between frontend and backend systems

Cloud Platform Engineering

Design, build, and manage secure, scalable cloud platform services aligned with business needs

Ensure compliance with architectural principles, design patterns, and enterprise security standards

Data Engineering

• Architect and implement robust, scalable data pipelines for ingesting, transforming, and storing structured and unstructured data
• Optimize data workflows for performance, reliability, and cost efficiency
• Establish data governance practices, quality validation processes, and ensure compliance with security and privacy standards
• Partner with data scientists and analysts to deliver reliable and accessible data for AI/ML and analytics use cases

AI Strategy & Governance

Define architectural roadmaps, reference frameworks, and standard operating procedures (SOPs)

Ensure solutions align with organizational standards for reliability, fairness, transparency, and security

Team Leadership

Provide technical leadership and mentorship across cloud, AI/ML, and data engineering teams

Conduct design and code reviews while fostering a culture of continuous learning and improvement

Agile Delivery

Collaborate with engineering, product, and business stakeholders in an agile environment to deliver high-impact solutions

Drive iterative development and accelerate time-to-value

Innovation & Process Improvement

Identify opportunities to streamline workflows, reduce technical debt, and standardize engineering practices

Automate repetitive processes to improve efficiency and scalability

Operational Excellence

• Establish monitoring frameworks, define key performance metrics, and ensure system reliability and operational efficiency
• Oversee implementation of security controls and compliance measures across platforms and data systems
• Lead disaster recovery and business continuity strategies for AI and data infrastructure

Cross-Functional Collaboration

Communicate data governance and security standards across partner teams

Work closely with data scientists, product managers, and business leaders to translate requirements into scalable AI and data solutions

Research & Innovation

• Drive innovation in generative AI, NLP, computer vision, and emerging technologies
• Stay updated with industry advancements and incorporate best practices into solutions
• Comply with all applicable Company policies, procedures, and business directives, changes including those relating to work location, team assignments, work schedules, and flexible work arrangements

Required Qualifications

Bachelor's or Master's degree in Computer Science, Data Science, or a related field

7+ years of experience in software engineering with a proven track record in building high-quality, scalable applications

6+ years of expertise in Java, Python, and Linux scripting

3+ years of hands-on experience with cloud platforms (AWS, Azure, GCP), with solid proficiency in AWS

3+ years of experience with MongoDB, Databricks, PySpark/SparkSQL, and large-scale data pipeline development

1+ years of experience in AI/ML engineering, including deploying models at scale and leading teams. Expertise in deep learning, NLP, NLU, semantic modeling, intent classification, ASR, predictive analytics, and time series

Experience with Hadoop ecosystem and MLOps practices

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.