Reflex, a Y Combinator W23-funded startup, is seeking a Senior Software Engineer specializing in infrastructure. The role, based in San Francisco, offers a salary between $130K-$200K, plus equity. The company is developing an operating system for building enterprise applications, aiming to streamline the development process by providing a unified platform.

The ideal candidate will lead the infrastructure team, owning the entire stack. They will be responsible for observability, monitoring, and improving the existing architecture. The job requires at least three years of experience with Kubernetes, Python, and microservices, and proficiency in AWS. The interview process is fully remote, with a technical take-home test and on-site interviews.

Reflex has already made significant strides, powering over a million applications and boasting 28,000+ GitHub stars. They work with 30% of Fortune 500 companies. This hiring push reflects their rapid growth and recent funding round. The company's goal is to simplify enterprise app development, replacing the fragmented stack with an end-to-end platform.

This role is a great opportunity to join a growing startup focused on developer tools. With the increasing complexity of enterprise applications, platforms like Reflex are becoming increasingly valuable. The company's focus on open-source and its strong backing from Y Combinator position it well for future growth in a competitive market.