Senior Software Engineer (API Gateway) at five9

This role is designed for a seasoned Software Engineer with at least 7 years of experience who specializes in API infrastructure and security. The ideal candidate has a deep technical background in Java and the Spring framework, specifically focused on building and managing highly scalable microservices within a cloud environment—preferably Google Cloud Platform (GCP). The standout feature of this position is the opportunity to work at the foundational level of a global SaaS platform, directly impacting its modern AI-driven architecture. As a fully remote role based in Colombia, it offers significant geographic flexibility while placing you in a critical "platform-first" engineering team. You will be instrumental in shaping the developer experience through both gateway policy management and the development of a dedicated developer portal. **You might be a good fit if you...** * Are an expert in **Apigee** or similar API Gateway solutions and understand OAuth2 and Auth systems. * Have a strong command of **Java and Spring** for developing high-availability microservices. * Are comfortable participating in a **24/7 production on-call rotation** to maintain system reliability. * Enjoy "diving deep" into the stack to troubleshoot complex cloud platform challenges.