Senior Software Engineer P2p 100% Remote

About the jobAt Tether, we’re building the next generation of decentralized, peer‑to‑peer communication and data‑sharing tools (including KEET and future products) on top of cutting‑edge P2P technology.We are looking for an experienced full‑stack/mobile/desktop developer who loves shipping rock‑solid cross‑platform applications and has a strong interest (or existing experience) in peer‑to‑peer and distributed systems.You’ll work in a small, high‑impact team alongside the core Holepunch engineers, helping bring fully decentralized apps to hundreds of millions of users worldwide.Responsibilities
Build and maintain flagship desktop (Electron) and mobile (React Native) applications that run fully peer‑to‑peer with zero central servers.Design beautiful, performant cross‑platform UX for file sharing, messaging, video calls, and collaborative tools.Integrate and extend the Pear Runtime / Holepunch stack (Hypercore, Hyperdrive, Hyperswarm, etc.).Ship new features rapidly, participate in code reviews, write tests, and optimize performance.Help external partners and the open‑source community build on the platform.Occasionally contribute improvements and bug fixes back to the underlying open‑source modules.
Qualifications
5+ years of professional software engineering experienceStrong production experience with React Native and/or Electron (shipping apps that real users love)Very comfortable with Node.Js and modern JavaScript/TypeScript ecosystemsProven experience designing and building local‑first applications where the local data model is the primary source of truthHands‑on experience with local‑first data technologies (storage, conflict resolution, event sourcing, etc.)Familiarity with cross‑platform packaging & deploymentFamiliarity with end‑to‑end encryption and secure local storage.Solid grasp of asynchronous programming, networking, and data synchronization conceptsExperience with git, code reviews, CI/CD, and collaborative open‑source workflowsExcellent communication skills (fully remote, global team)
Nice‑to‑have
Background in building productivity tools, media players or developer tools.Knowledge of streaming protocolsExperience with file system integrationsExperience designing synchronization processes (background sync, sync queues, retry etc.)
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