P2P Node.js Engineer (100% Remote, Worldwide)

Stack

Responsibilities

• ▹Expand and strengthen Holepunch's core P2P networking and storage primitives
• ▹Write high-performance networking code in JavaScript
• ▹Optimize network protocols for performance

Requirements

• ▹Extensive knowledge of P2P protocols (Kademlia, BitTorrent, libp2p, hypercore)
• ▹Demonstrable experience optimizing network protocols for performance
• ▹Advanced JavaScript skills
• ▹Deep understanding of UDP and TCP/IP networking, including NAT traversal techniques
• ▹Experience implementing custom binary protocols and serialization formats
• ▹Familiarity with cryptographic primitives for secure P2P communication
• ▹Experience with performance profiling and optimization of networked systems

Nice to have

• ▹5+ years experience building production P2P or distributed systems
• ▹Experience optimizing JavaScript for low-latency networking applications
• ▹Knowledge of V8 internals and JavaScript performance characteristics
• ▹Experience with libuv and asynchronous I/O in C
• ▹Contributions to open-source P2P projects or networking libraries
• ▹Experience building reliable systems on unreliable networks
• ▹Experience with native addons and bridging between JS and C

What we offer

• ▹100% remote, worldwide

About the company

Holepunch is building a peer-to-peer development platform for apps that need no servers, so users keep full control over their data. It is built on Hypercore, a Node.js-based technology stack, and its first app is Keet, a P2P communications app.