About the role: We are looking for a Senior Software Engineer I (Backend) who can take a leading role in architecting, developing, and optimizing scalable, multitenant backend systems. This role will be critical in driving major new releases in 2026 and beyond. You will act as a key technical expert for backend initiatives, owning everything from day-to-day operations and system reliability to designing and delivering large-scale, reusable features. What you will do: Architect for multi tenancy and reusability: Design and implement secure, efficient multi tenant architectures that support multiple clients, regions, or business units, while promoting modular, reusable components to speed up development and reduce duplication. Co-lead backend development: Serve as a core technical leader for backend systems in this Telco application, quickly ramping up on the existing architecture and contributing to scalable design decisions and execution. Operate and improve pro...