Software Engineer, Networking
Engineering – Infrastructure /
Full-time /
Remote
Espresso Systems is the lead developer of Espresso: the coordination layer for cross-chain transactions and interactions. We are building a network and marketplace that enables chains to interoperate seamlessly, without sacrificing scale or sovereignty. Chains that are fueled by Espresso create better experiences for their users and capture more value for their ecosystems.
At Espresso, we work with leading projects developing chains, rollups, and applications including Offchain Labs, Polygon, Cartesi, RARI Chain, and beyond. We support these teams in offering users an open, interoperable experience through a pragmatic and diligent approach to infrastructure design and by harnessing the power of free and fair markets.
Contributors to Espresso comprise a diverse and passionate team located around the world. We are developers, designers, and researchers who have contributed in academia, in open source communities, in policymaking, and beyond. We are backed by over $50m in funding from leading investors in technology and crypto including a16z, Greylock Partners, Electric Capital, Sequoia Capital, and Polychain Capital.
As a Software Engineer, Networking you will closely collaborate with fellow engineers to build a high-throughput, secure distributed system. Your focus will be on Espresso's consensus layer, with emphasis on the peer-to-peer networking layer.
Responsibilities
- Contribute to the design and implementation of Espresso’s core blockchain infrastructure in Rust
- Design, implement, test, and deploy Espresso's consensus system and underlying peer-to-peer network layer
- Take engineering projects from concept and design to production, while working with engineering leaders and the product team to create sound and realistic roadmaps
- Implement new research into Espresso's consensus infrastructure
Requirements
- Experience implementing p2p communication
- Experience with networking protocols (QUIC/TCP/UDP/WebTransport/WebRTC)
- Knowledge of DHTs, gossip protocols, NATs, Hole-punching
- Use of statically and strongly typed languages (preferably Rust)
- Knowledge of async/await or coroutines
Preferred
- Experience with: Async Rust; Nix (+ flakes); libp2p
Benefits
- Fully remote with flexible hours
- Work alongside the brightest minds in the crypto space
- Competitive salary + equity package
- Regular team off-sites to international locations
- Unlimited vacation policy
- Top-tier health, dental, and vision coverage for US employees
