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.
• Value clear communication, strong engineering judgment, and constructive feedback.

Nice-to-Haves

• Familiarity with backend- or configuration-driven client architectures.
• 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).
• Strong backend engineering experience and enjoy owning systems end to end, including making pragmatic architectural decisions in ambiguous problem spaces.
• Excited to design and build backend services that orchestrate product behavior, business logic, and user experience.
• Interested in growing into broader technical leadership over time.