Senior Back-End Software Engineer, Infra

Maintain and modernize our Rails stack, including dependency upgrades, performance optimization and security enhancement. Build internal tools, SDKs, and libraries to improve developer experience and infrastructure scalability. Partner with your front-end counter-parts and SREs to support observability, performance, and reliability initiatives. Identify opportunities to build in-house systems that reduce reliance on costly third-party services. Contribute to architectural decisions that improve the performance, security and cost-efficiency of our platform.