Staff Software Engineer

Circadia Health • Los Angeles, CA

9d • Onsite

About The Position

Circadia Health is a growth-stage healthcare AI company focused on preventing hospitalizations and improving senior care operations through its AI platform. This platform integrates contactless sensing, predictive models, and enterprise workflows to monitor patients and detect adverse events. The company's technology currently serves over 40,000 patients daily and is backed by prominent investors, with headquarters in El Segundo, CA.

Requirements

• Advanced knowledge of Python and related frameworks (FastAPI, NumPy, Pandas, Pydantic) including multithreading and parallel design principles
• Expertise in JavaScript and frameworks such as ReactJS, with solid frontend experience
• Strong understanding of RESTful API design principles, best practices, and HTTP(S) as a protocol
• Understanding of AWS, including knowledge of Cognito, Pinpoint, IoT, MSK and other services, with hands-on containerized deployments via Docker
• Experience with relational and NoSQL databases (MySQL, PostgreSQL, MongoDB)
• Experience with TDD and testing frameworks such as PyTest
• Deep understanding of user-centered design principles, design thinking methodologies, and usability best practices
• Understanding of security best practices and compliance in regulated environments
• 2+ years tenure in most recent roles
• Top education and top schools/companies

Nice To Haves

• Proficiency in C++ and TypeScript
• Experience with Qt preferred but not required
• Experience with Google APIs is preferred
• Experience with AWS-specific services: Cognito, IoT, Pinpoint, Kafka/MSK
• Familiarity with HIPAA compliance and healthcare application development
• Experience with CI/CD tooling: Jenkins, CircleCI, Prometheus, Grafana
• Background in regulated industries (healthcare, life sciences, medical devices)
• Deep understanding of user-centered design principles, visual hierarchy, and interaction design fundamentals; proficiency in translating complex healthcare workflows into intuitive, user-friendly interfaces
• Ability to maintain high levels of accuracy and attention to detail, particularly when developing APIs that handle sensitive healthcare data
• Exceptional communication skills with the ability to collaborate effectively across teams and maintain the highest levels of confidentiality
• Capable of managing multiple projects and timelines simultaneously with a keen eye for detail
• Ability to learn from mistakes, demonstrate curiosity and resilience in the face of setbacks, and constantly seek to improve and grow

Responsibilities

• Build, develop, and maintain responsive, interactive user interfaces using modern JavaScript frameworks (React, Vue.js, Angular).
• Implement state management and develop reusable UI components for seamless integration with backend services.
• Optimize frontend performance using techniques like lazy loading, code splitting, and caching.
• Ensure cross-browser compatibility and adherence to WCAG guidelines for accessibility.
• Design, develop, and maintain RESTful APIs using Python (FastAPI) to support healthcare applications.
• Collaborate with frontend and mobile developers to integrate APIs effectively.
• Ensure APIs are secure, scalable, and performant to handle increasing loads.
• Build scalable applications using AWS services (Cognito, Pinpoint, IoT, MSK).
• Expand and manage services under AWS modules while implementing robust authentication protocols.
• Navigate Docker deployments to scale containerized applications efficiently.
• Write unit tests and integration tests using PyTest to ensure code quality and reliability.
• Conduct code reviews and implement best practices for high coding standards.
• Manage patient data efficiently using databases (MySQL, PostgreSQL, MongoDB).
• Optimize database queries for performance and scalability while ensuring data integrity.
• Implement and maintain security measures to protect sensitive healthcare data.
• Ensure compliance with healthcare regulations, including HIPAA.
• Regularly update and patch API endpoints to address vulnerabilities.
• Create and maintain comprehensive documentation for APIs, workflows, and best practices.
• Maintain detailed change logs, version histories, and onboarding guides.

Benefits

• Meaningful employee stock options
• 100% company-paid medical, dental, and vision coverage
• 401(k)
• Competitive time off with pay policies including vacation, sick days, and company holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed