Sr Software Engineer - Fullstack at five9

This role is ideal for a seasoned Fullstack Engineer with a strong background in PHP/Laravel and modern JavaScript frameworks like Vue.js. You should have a proven track record of building and maintaining scalable, multi-tenant cloud applications, particularly those that integrate diverse communication channels like voice, SMS, and chatbots. You will join the AI Automation R&D team to work on "Studio," a drag-and-drop flow builder. This is a high-impact position where you’ll integrate cutting-edge AI services (Azure OpenAI, Google AI, IBM Watson) into a microservices platform. While the role is on-site in Bengaluru, it offers the chance to influence the design process of new products and work directly with senior technical leadership. **You might be a good fit if you:** * Have expert-level proficiency in **PHP (Laravel)**, **Vue.js**, and **Python**. * Are comfortable managing both SQL and NoSQL databases, including sharding in **MySQL, Redis, and MongoDB**. * Enjoy building complex, interactive UIs and middleware for AI-driven automation. * Are willing to participate in an **on-call rotation** to ensure service reliability.