We are looking for a Senior / Staff Platform Engineer who wants to help shape the backbone of Odynn's technology. This role is responsible for the platform systems that make Odynn highly scalable, including multi-tenant infrastructure, configuration frameworks, feature-flag systems, shared microservices, supplier integration patterns, deployment and rollout strategies, and the internal standards that enable rapid innovation across many partner environments. You'll work directly with our CTO on Odynn's most important engineering challenges. These include scaling to new enterprise partners, shipping updates safely across many embedded portals, expanding into new travel and loyalty verticals, and maintaining a world-class level of reliability as we grow. If you want to build the core platform that defines the future of travel rewards—and if you want to see your work support millions of travelers—this is the opportunity to do it here at Odynn. What you'll do• Own our multi-tenant architecture - Design and evolve the centralized codebase that underpins all client embeds - Build systems for branding, feature entitlements, limits, and rollout strategies per client• Build and standardize core services - Architect and develop micoservices for search, pricing, booking, points/loyalty, customer support, and content - Define internal APIs and domain models that can support multiple suppliers (flights, hotels, cars, experiences, dining, etc.)• Management and scaling of authentication, authorization, and security - Own integration patterns for our OAuth-based authentication pipeline with partners - Design tenant-aware auth models to ensure strict isolation of partner data and behavior - Partner with our CTO on security, compliance, and data privacy best practices• Architecting configuration and feature delivery - Build feature flag and configuration systems that allow safe, controlled rollout of new capabilities to specific clients or cohorts - Design versioning and compatibility strategies so we can update the centralized codebase without breaking existing partners - Enable "configuration, not code" for common-client customizations• Own the developer experience & standards - Define and maintain templates and libraries for new services (logging, metrics, error handling, auth, config) - DevOps on CI/CD observability, and environment strategy so engineers can ship quickly and safely - Provide technical leadership and mentorship, review designs, and raise the overall engineering bar