Staff Software Engineer, Run-Time Infrastructure - Slack

Salesforce is seeking a Staff Software Engineer to join their WebApp Infrastructure (WIN) team at Slack. This role focuses on the Runtime sub-team, responsible for Slack's deployment of HHVM, the virtual machine that runs the Hack programming language. The position involves working with critical infrastructure that processes billions of daily requests and supports millions of active users. The team maintains and optimizes the middle layers of the stack, from AWS instances to product code, ensuring exceptional reliability and performance. This is a highly technical role requiring expertise in systems programming, performance optimization, and large-scale distributed systems. The ideal candidate will contribute to both proprietary and open-source components, working closely with product teams to enhance Slack's backend capabilities. With Slack handling over 600k requests per second and serving 10M+ daily active users, this role offers an opportunity to impact millions of users while working with cutting-edge technology. The position offers remote work flexibility and the chance to join a company known for its strong engineering culture and commitment to innovation.