Senior Software Engineer, Backend

Bluesky•Fully Remote - Overlap with PST working hours ,

9d•$179,000 - $242,000•Remote

About The Position

Bluesky is building a federated social network intended to transition the social web from platforms to protocols. In this backend role, you will work on AT Protocol-oriented services and build and maintain data infrastructure powering Bluesky’s developer services and the broader AT Protocol ecosystem. The systems run on dense, latest-generation bare-metal servers in Bluesky’s own racks and serve hundreds of thousands of events per second. The role focuses on scaling Go production services and building critical infrastructure capable of operating across tens of terabytes of RAM, thousands of CPU cores, and petabytes of NVMe storage.

Requirements

Strong fundamental programming and software engineering skills.
Extensive experience with Go, such as three or more years.
Experience building scalable backend systems handling 1 million or more operations per second, such as data services or load balancers.
Familiarity with the upper limits of operating systems, networks, and storage.
Significant experience with database systems such as Postgres, MySQL, or SQLite.
Some experience with other data stores such as Scylla/Cassandra, Redis, or ClickHouse.
A high bar for ownership and operation of production services.
Interest in working on small, fast-moving teams.
Have read the AT Protocol documentation and want to contribute.
Significant overlap with US/Pacific working hours is required.

Nice To Haves

Previous experience working on social or Internet infrastructure at large scale.

Responsibilities

Scale 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.