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Backend Engineer

Citizen Health

$180,000 - $220,000
Nov 6, 2025
San Francisco, CA, US • San Mateo, CA, US
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Citizen Health is building a personalized AI advocate powered by patients' complete medical histories and data from thousands of other patients to generate personalized insights for clinical decisions and day-to-day challenges, starting in rare and complex conditions. This role will help develop the core infrastructure that enables seamless data integration, analysis, and AI-powered insights to transform complex health data into actionable insights and ensure smooth data exchange across patients, providers, and researchers.

Requirements

  • 5+ years of experience in backend development, with experience building scalable, distributed systems
  • Strong proficiency in one or more modern programming languages (e.g., Python, Node.js, Java)
  • Solid understanding of RESTful API design and microservices architectures
  • Experience with cloud platforms (AWS, GCP, or Azure), containerization (Docker), and orchestration (Kubernetes)
  • Strong experience in system design, backend services, data processing, and analytics
  • Solid understanding of backend observability (monitoring, logging, alerting, autoscaling)
  • Hands-on experience with relational and NoSQL databases

Responsibilities

  • Design and implement high-performance, scalable backend solutions using modern technologies
  • Develop and maintain RESTful APIs and microservices
  • Develop backend services and processing pipelines that handle large volumes of healthcare data efficiently
  • Integrate and optimize AI components, including Large Language Models (LLMs), to power intelligent features and insights
  • Implement observability for services and data pipelines to enable effective diagnostics and surface performance insights through monitoring, logging, alerting, and autoscaling.
  • Stay up to date with backend best practices, emerging AI tools, and trends in healthcare interoperability and AI
  • Collaborate to foster team growth through shared learning and advancement in backend and AI development practices

Other

  • You are a passionate builder and problem solver who thrives in dynamic, fast-moving environments.
  • You value collaboration but are comfortable taking ownership and working independently.
  • You approach complex problems with creativity and empathy, always keeping the needs of patients and users front and center.
  • You enjoy working at the intersection of technology and healthcare and are excited about making a meaningful difference in people’s lives.
  • Competitive salary + equity package