Staff Backend Engineer

Rythm is building backend infrastructure to connect its products, laboratory, logistics, and operations. The Staff Backend Engineer will design and own backend systems, APIs, and architecture while delivering complex projects and improving platform reliability and engineering practices.

Responsibilities:

• Design, build, and own reliable backend services and APIs that support Rythm's products and internal operations
• Own complex projects from technical discovery and architecture through implementation, launch and iteration
• Build systems that connect member experiences with laboratory, logistics, billing, analytics, and other operational workflows
• Make architectural decisions that balance delivery speed, maintainability, performance, security, and scale
• Improve service reliability through thoughtful testing, observability, incident response, and operational practices
• Partner with mobile and product engineers to define clear contracts, scalable data flows, and dependable integrations
• Identify technical risks and reduce unnecessary complexity across the platform
• Help establish and evolve development standards and tools as the engineering team continues to grow
• Use modern development tools, including AI-assisted workflows, to increase engineering quality and speed

Requirements:

• Extensive experience designing, building and owning backend systems at scale
• A proven track record of owning complex, cross-functional initiatives
• Experience integrating internal systems and third-party platforms across complex business workflows
• Strong understanding of testing, observability, performance, security, and production operations
• The ability to move between long-term architecture and immediate delivery needs
• Strong communication skills and the ability to work effectively with both technical and nontechnical partners
• A hands-on mindset; you enjoy building and want to remain close to the technical work
• High ownership, low ego, and comfort operating in a fast-moving environment with evolving priorities
• Previous time spent within healthcare, consumer health, or direct to consumer businesses is preferred
• A strong understanding of regulated products and navigating sensitive data is preferred