Senior Software Engineer II, API / Backend

As a Senior API / Backend Engineer at Particle Health, you'll play a key leadership role in building and maintaining the core services that power our healthcare data platform. You’ll work primarily with Golang (and sometimes Python) to develop robust, scalable APIs that enable our customers to access and utilize healthcare data effectively.

Requirements

• 7+ years of backend development experience focused on APIs and distributed systems
• Strong production experience in Golang; comfortable working in Python when needed
• Deep understanding of RESTful API design and scalable service patterns
• Experience with SQL/NoSQL databases and cloud environments (GCP, AWS, or Azure)
• Hands-on experience with Docker, Kubernetes, and modern CI/CD tooling
• Demonstrated ability to design, build, and operate end-to-end systems independently
• Strong debugging, analytical, and communication skills
• Experience using AI-enhanced coding tools (Claude Code, Copilot, Cursor, etc.)
• Bachelor's degree in CS/Engineering or equivalent experience

Benefits

• Up to 100% employer-paid health benefits for you (depending on plan selection) and generous coverage for your family
• Employer-funded 401(k) contribution to help you build a secure future
• Mental health benefits to support your well-being
• Employee equity to ensure you share in the company’s success
• 14 weeks of fully paid parental leave