Lead Backend Engineer

Responsibilities

• Design, build, and own backend services (primarily Rust-based microservices) that power the Frisbee consumer experience
• Own backend systems responsible for business logic, feature flags, and UX configuration that control mobile behavior and layout
• Define and maintain clean, well-documented APIs and client-server contracts used by iOS and Android applications
• Partner closely with mobile engineers to enable fast, predictable execution and unblock delivery
• Act as technical owner for major initiatives from design through production
• Provide architectural guidance and code review across backend and mobile codebases
• Collaborate with Product and Design to translate customer needs into scalable systems
• Participate in planning, prioritization, and delivery with a strong bias toward execution
• Occasionally contribute to mobile codebases when needed
• Help establish engineering standards and raise the technical bar across the team

Requirements

• 6+ years of experience building and owning backend systems in production environments
• Strong experience designing APIs, service boundaries, and data models
• Experience evolving complex systems and working with microservice or service-oriented architectures
• Experience operating systems in cloud environments (AWS, GCP, or Azure)
• Experience working closely with iOS and Android engineering teams
• Familiarity with backend- or configuration-driven client architectures

Nice-to-Haves

• Experience with gRPC, protobuf, or GraphQL
• Experience with relational databases
• Understanding of mobile performance characteristics and constraints
• Exposure to React Native
• Experience integrating third-party SDKs (e.g., analytics, scanning, CRM)