Senior Software Engineering Lead - python, API development, devops, observability, react js, cloud

Key Responsibilities

Frontend Development

• Design, develop, and maintain responsive and interactive user interfaces using React, Angular, or Vue.js.
• Translate UI/UX wireframes and design mockups into high‑quality, reusable, and maintainable code.
• Implement UI/UX best practices to deliver intuitive, accessible, and user‑friendly web applications.
• Optimize frontend applications for performance, scalability, and cross‑browser compatibility.
• Integrate frontend applications with backend RESTful APIs and microservices.
• Integrate and support Pindrop authentication, fraud detection, and voice security workflows within frontend experiences.
• Contribute to frontend development efforts as needed to ensure seamless end‑to‑end functionality.

Backend & API Development

• Design, develop, and maintain RESTful APIs and microservices using Python
• Architect secure, scalable, and high‑performance backend systems aligned with enterprise standards.
• Integrate backend services with relational and NoSQL databases such as PostgreSQL, MySQL, MongoDB, and DynamoDB.
• Support and integrate Pindrop SDKs and APIs for authentication and fraud detection workflows.
• Assist frontend teams with full‑stack integration, debugging, and performance tuning.

Cloud & Infrastructure (AWS)

• Design and deploy cloud‑native applications using AWS services, including EC2, Lambda, S3, RDS, DynamoDB, API Gateway, and IAM.
• Integrate application workflows with serverless components such as AWS Lambda.
• Collaborate on infrastructure automation using CloudFormation and Terraform.
• Support migration initiatives from legacy contact center platforms to Amazon Connect.

DevOps, CI/CD & Observability

• Implement and maintain CI/CD pipelines using GitHub Actions or GitLab CI.
• Set up and maintain monitoring, logging, and observability using CloudWatch, CloudTrail, and Splunk.
• Ensure applications meet best practices for reliability, security, and operational excellence.

Engineering Excellence

• Write clean, efficient, secure, and testable code following industry best practices
• Apply secure coding standards and performance optimization techniques across the stack.
• Use AI‑assisted coding tools to improve development efficiency and code quality.
• Collaborate effectively with product, design, platform, and operations teams

·7-10 years of hands‑on experience in full‑stack software development (backend and frontend), with 5+ years building cloud‑native applications.

·Strong backend expertise in Python (required) and experience with Node.js, Java, or C#, including the design and implementation of RESTful APIs and microservices.

·Advanced frontend proficiency using JavaScript and modern frameworks such as React, Angular, or Vue, with strong foundations in HTML5, CSS3, responsive design, and UI/UX principles.

·Hands‑on experience integrating Pindrop solutions, including risk scoring, authentication workflows, API/SDK usage, and troubleshooting.

·Solid understanding of telephony concepts, including SIP trunking and call flows.

·Extensive experience with AWS services (EC2, Lambda, S3, IAM, RDS, DynamoDB, CloudFront, VPC, CloudFormation), including SDK usage, reporting, analytics, and operational troubleshooting.

·Strong knowledge of security best practices, including authentication, authorization, and secure application design.

·Proven experience with CI/CD pipelines and Infrastructure as Code (CloudFormation, Terraform, or Ansible).

·Excellent communication, collaboration, and problem‑solving skills.

Other Qualifications:

* AWS Certifications (Cloud Practitioner, Developer Associate, Solutions Architect Associate).

* Experience with event-driven architectures (SNS, SQS, EventBridge)
Careers with Optum. Here's the idea. We built an entire organization around one giant objective; make the health system work better for everyone. So when it comes to how we use the world's large accumulation of health-related information, or guide health and lifestyle choices or manage pharmacy benefits for millions, our first goal is to leap beyond the status quo and uncover new ways to serve. Optum, part of the UnitedHealth Group family of businesses, brings together some of the greatest minds and most advanced ideas on where health care has to go in order to reach its fullest potential. For you, that means working on high performance teams against sophisticated challenges that matter. Optum, incredible ideas in one incredible company and a singular opportunity to do your life's best work.^SM

Diversity creates a healthier atmosphere: UnitedHealth Group is an Equal Employment Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.


UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.