Scroll.io is hiring a

Blockchain Infrastructure Engineer

We are looking for a Blockchain Infrastructure Engineer to help build the sequencer client for our fully EVM-compatible zkRollup based on a zkEVM. To maintain full compatibility, our client is a fork of Geth with many alterations to integrate with our decentralized proving network.

Your day-to-day work will involve getting hands on with Geth internals, interfacing with cutting-edge zero-knowledge proof technologies, and optimizing across the stack. We are looking for someone with a deep understanding of blockchain infrastructure as well as software engineering best practices. The ideal candidate will be able to optimize performance while maintaining a code correctness in a high-stakes development environment.

Scroll is building an open source, bytecode level compatible zkEVM layer 2 solution for Ethereum. Our mission is to scale Ethereum while maintaining our values of credible neutrality, openness, and execution.

Duties and Responsibilities

• Writing Golang client code for our sequencer client.
• Interfacing with the zkEVM team to ensure compatibility between the client and the prover network.
• Writing networking code to interface between the sequencer and the proving network.
• Testing for full EVM compatibility.
• Rigorous security auditing and testing of the sequencer.

Required Skills And Experience

• Fluency in Golang, Rust, C++, or similar languages. We work primarily in Golang.
• Knowledge of common algorithms, data structures, and their computational and memory complexities, as well as experience implementing them from scratch.
• Deep understanding of some aspect of blockchain protocols (consensus, p2p, EVM) and their implementation.
• Experience writing security-critical production code.
• Good (async) communication skills and ability to work with a globally distributed multicultural team.
• Experience in blockchain infrastructure development or cryptography.
• Familiarity with go-ethereum or a similar codebase.
• Experience with zkRollups or other L2 technologies.
• Prior experience in performance optimization.
• Proven record of high quality open-source contributions. (Please share links to prior PRs when possible.)

About You

• You are directly aligned with our values of building with community, openness, credible neutrality.
• You have strong interest in decentralized system and open source collaboration.
• You are mission-led and eager to be at leading point of zkEVM research.
• You are a builder.
• You are a collaborative person who can work well within a globally distributed team.

What We Offer

• Work from anywhere with flexible hours
• Generous paid time off
• Home office set up
• Annual growth budget
• Coworking membership allowance
• Private healthcare in selected countries
• Competitive salary package