Senior Software Engineer, Backend

Company: BlueSky | Craddock Oil

Location: United States (Remote)

Salary: $179,000 - $242,000 a year

Type: Full-time

Remote: Yes

Posted: 2026-10-31

About this role

Atmosphere Remote (overlap with PST) Full-time

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 ou...

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