Bluesky's mission is to transition the social web from platforms to protocols. We're building a federated social network where users have more power. Our team has decades of combined experience building distributed applications. As a backend dev, you'll build data infrastructure that powers Bluesky’s developer services and will be a critical part of transforming social media. Working on our AT Protocol-oriented services, you’ll be building and maintaining systems running on dense, latest-generation, bare-metal servers running in our own racks serving hundreds of thousands of events per second. Responsibilities: • Scale our Go production services to hundreds of millions of users • Build mission critical data infrastructure that powers much of the AT Protocol ecosystem • Build services that scale across tens of terabytes of RAM, thousands of CPU cores, and petabytes of NVME storage You might be a good fit if you: • Have strong fundamental programming and software engineering skills • Have extensive experience with Go (e.g. 3+ years) • Have built scalable backend systems (1M+ ops/sec) (e.g. data services, load balancers, etc.) • Have familiarity with the upper limits of operating systems, networks, and storage. • Have significant experience with database systems (e.g. Postgres, MySQL, SQLite) • Have some experience with with other data stores (e.g. Scylla/Cassandra, Redis, ClickHouse) • Have a high bar for ownership and operation of production services. • Like working on small, fast-moving teams • Have read the AT Protocol docs and want to contribute We're especially excited if you have: • Previous experience working on social or Internet infrastructure at large scale We're a fully remote team, though a significant overlap of working hours with US/Pacific is required. For full-time roles, we offer health, dental, and vision insurance. To learn more about us, check out: • bsky.social • atproto.com Please attach your resume and links to your GitHub, GitLab, or a portfolio of past work within the same attachment. The anticipated base salary range for this position is $179,000 - $220,000, excluding equity. Equity will be considered in the total compensation package. The final base salary for this role will be based on the individual’s geographic location, as well as experience level, skill set, training, licenses and certifications.