--- title: 'Senior Fullstack Engineer, Atmosphere at Bluesky' canonical: 'https://feeny.ai/job/senior-fullstack-engineer-atmosphere-bluesky-remote-c53rbs7kvfv9' type: 'job' last_seen: '2026-09-12' --- # Senior Fullstack Engineer, Atmosphere at Bluesky - **Company:** Bluesky - **Location:** Remote - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-06-30 - **Last confirmed live:** 2026-09-12 - **Apply:** https://jobs.gem.com/bluesky/am9icG9zdDp5pa4f0uEBuJ-TISeJZciu ## Job description Bluesky's mission is to transition the social web from platforms to protocols. We're building a social network where users have more power. Our team has decades of combined experience building distributed applications. As an engineer on the Atmosphere team, you'll work on software that makes the open network behind Bluesky and the broader developer ecosystem tick. You will contribute to products, documentation, and developer tools that extend the reach of Bluesky well beyond our app, and into a vibrant open network of motivated builders.  The Network Services team is responsible for promoting long-term success of AT Protocol, making it approachable for both developers and end users.  The ideal candidate loves working on developer tooling and API services, but also crafting delighful experiences on the Web. Responsibilities: - Contribute to products, documentation, and developer tools that extend Bluesky's reach into the open network. - Support the long-term success of AT Protocol by making it approachable for developers and end users. - Build delightful user experiences supporting auth, identity management, developer documentation, and more. - Build and maintain API services that power a vibrant ecosystem of third-party builders. - Maintain production hosting and identity services. - Maintain our open source SDKs and service distributions. You might be a good fit if you: - 5+ years of expert level expertise in TypeScript, Node.js, React, and the Web platform. - Bring UI/UX expertise informed by working on user-focused product teams. - Enjoy working on backend web services, and have been responsible for operating them in production. - Are familiar with various auth technologies of the Web such as OAuth, JWTs, public-key cryptography, and the Web security model. - Like working on small, fast-moving teams. - Have read the AT Protocol docs and want to contribute. We're especially excited if you have: - Been building with AT Protocol. - Experience with Go at scale. - Expertise in auth and identity management. - More extensive experience operating production services (e.g.  Linux, sysadmin skills, DevOps, etc.). We're a fully remote team, but an overlap of working hours with PST is required, as is willingness to travel to team meetups once every 3-4 months. Please note, there may be an on-site component to these interviews. We offer health, dental, and vision insurance. Additional Notes The anticipated base salary range for this position is $200,000 - $270,000 USD, excluding equity. Equity will be considered in the total compensation package. 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. ## About Bluesky ## Company Overview - **One-liner**: Bluesky is building an open, decentralized social networking protocol and a flagship app that gives users control over their experience, algorithm, and data. - **Entity Type**: Private (Series B) - **Headquarters**: Remote (HQ), with an office in Seattle, Washington, United States - **Founded**: 2021 - **Founders**: Jay Graber (CEO & Founder) ## Core Business - **Primary industry/industries**: Social Media, Decentralized Protocols, Open Source Software - **Target customers**: B2C (end-users seeking an alternative social network), B2D (developers building on the AT Protocol), and enterprise/creator accounts (via domain-based identity and public APIs) - **Mission or purpose statement**: “To develop and drive large-scale adoption of technologies for open and decentralized public conversation.” ## Products & Services - **[Bluesky App]**: The primary consumer-facing social network built on the AT Protocol. Features include composable moderation (block/mute lists, labeling services), algorithmic choice (custom feeds), and account portability. Available on iOS, Android, and Web. - **[AT Protocol]**: An open-source, federated protocol for building social apps. It provides standard formats for user identity, follows, and data, allowing apps to interoperate and users to move between services without losing their identity or connections. - **[Attie (AI Research Tool)]**: An integrated tool that helps users make sense of the “Atmosphere” (Bluesky’s network). Features include surfacing trending topics, finding influential accounts, and generating personalized daily briefings. Recently added “Quests” for interactive research. - **[Public APIs and Developer Ecosystem]**: Developers can use Bluesky’s public APIs to build bots, clients, custom feeds, and more, leveraging the open ecosystem without being locked in. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed (conflicting reports; some estimates suggest a post-Series B valuation in the hundreds of millions, but no official figure) - **Key Metric**: **Total Funding: $149M** (as of 2025) | **Annual Revenue: ~$1.2M** (estimated, via LinkedIn) | **Users: Over 44 million** (as of May 2026) - **Notable Investors/Partners**: Bain Capital Crypto (led Series B), Blockchain Capital (led Series A), Neo (seed), Jack Dorsey (initial seed), Alumni Ventures, Anthos Capital, Bloomberg Beta, Knight Foundation, True Ventures. - **Growth Signals**: - Rapid user growth from ~5M in late 2023 to 44M+ by mid-2026. - Expanded from a single app to a full developer ecosystem with 40,000+ custom feeds. - Strong brand as the “anti-X” platform, attracting users from X/Twitter, Threads, and Mastodon. - Recent launch of Attie with Quests shows continued product innovation. ## Competitive Advantages - **Protocol-first approach**: Unlike centralized competitors (X, Threads), Bluesky is built on the AT Protocol, meaning the network cannot be bought or controlled by a single entity. This provides a unique value proposition for privacy-conscious users and creators. - **Account portability**: Users can change hosting providers without losing their username, friends, or posts—a significant differentiator vs. Mastodon and other federated networks. - **Composable moderation**: Moderation is layered (automated, manual, and community labeling), allowing communities to self-organize around their own moderation preferences, unlike the top-down approach of centralized platforms. - **Algorithmic choice**: Users can choose from thousands of custom feeds (or build their own), giving them control over their timeline rather than being subject to a single corporate algorithm. ## Strategic Focus - **Scaling the protocol and developer ecosystem**: The company is focused on making the AT Protocol the standard for open social networking, attracting developers to build apps, bots, and moderation services on top of it. - **Monetization without ads**: Bluesky has stated it will not sell user data or run traditional ads. It is exploring subscription models (e.g., premium features for creators) and developer services as revenue streams. - **International growth**: With users in 12+ countries, the company is investing in localization, moderation tools for different languages, and partnerships to expand globally. - **Governance as a PBC**: As a Public Benefit Corporation, Bluesky is committed to public good and transparent governance, with a board that includes open-source advocates and a stated mission to avoid being “bought by a single individual or organization.” ## Why Work Here - **Remote-first culture**: The company is fully remote but expects some overlap with Pacific Time (PST). Employees are distributed across 12+ countries, including the US, Philippines, Japan, UK, and Germany. - **Small, nimble team**: With ~42 employees, new hires can have significant impact on core product and protocol decisions. The engineering team is ~15 people. - **Open-source ethos**: Engineers work on open-source code (AT Protocol, app clients, moderation tools) that is visible to the public. This is a strong draw for developers who value transparency and community contribution. - **Mission-driven**: Employees are building a social network that is designed to be resilient to corporate takeover and censorship, which resonates with many candidates. - **Notable perks**: While not detailed publicly, the company offers the flexibility of remote work, equity in a rapidly growing startup, and the opportunity to shape the future of decentralized social media. - **Recent leadership**: Jay Graber (CEO/Innovation Officer), Paul Frazee (CTO), Rose Wang (COO) are hands-on leaders with deep backgrounds in decentralized tech and product development. ## Sources 1. [Bluesky About Page](https://bsky.social/about/) 2. [Bluesky FAQ](https://bsky.social/about/faq) 3. [Bluesky Jobs (Gem)](https://jobs.gem.com/bluesky) 4. [Bluesky LinkedIn](https://www.linkedin.com/company/bluesky-pbc) ## Other roles at Bluesky - [Partnership Manager, News and Media](https://feeny.ai/job/partnership-manager-news-and-media-bluesky-remote-f7z1yxang8am) - [Senior Product Manager, Trust and Safety - AI Safety](https://feeny.ai/job/senior-product-manager-trust-and-safety-ai-safety-bluesky-remote-sjc615rtx41v) - [Staff Fullstack Engineer, App Team](https://feeny.ai/job/staff-fullstack-engineer-app-team-bluesky-remote-f6knv7epv94c) - [Senior Fullstack Engineer](https://feeny.ai/job/senior-fullstack-engineer-bluesky-remote-03xs59ptbzrj) - [Senior Backend Developer](https://feeny.ai/job/senior-backend-developer-bluesky-remote-69zjp1tvds8e) - [Senior Machine Learning Engineer](https://feeny.ai/job/senior-machine-learning-engineer-bluesky-remote-72pkd2zvn6g2)