Protocol Software Engineer - Consensus

sei-labsยท Engineering
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๐ŸŒ Remote๐Ÿ“ New York CityFullTime

About this role

About Sei Labs

Sei Labs builds open sourced technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and performance, driving the mass adoption of digital assets.

Our teams are comprised of former Google, Goldman Sachs, Robinhood, Nvidia, and Databricks veterans dedicated to onboarding the next billion users onto a vibrant ecosystem of applications.

Sei Labs has raised over $30M from top investors including Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.

Check out our website and docs for more details.

Protocol Engineering at Sei

Sei Labs is looking for a Protocol Engineer to lead the development of core components of the Sei Blockchain. You'll work at the forefront of blockchain infrastructure, designing and optimizing the foundational layers of a high-performance, scalable decentralized network. You'll collaborate closely with our engineering team and ecosystem partners, constantly innovating to push the boundaries of blockchain technology. If you're passionate about low-level systems design, performance optimization, and shaping the future of decentralized networks, this is a rare opportunity to make a lasting impact in Web3.

Responsibilities

  • Write code to build the core sei blockchain (consensus, state management, etc.)

  • Proactively identify and drive optimizations and improvements to the product.

  • Collaborate with our frontend team to fine tune our REST API to support our customers.

  • Take ownership over your work and the work of the team.

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Qualifications

  • 5+ years of infrastructure engineering experience.

  • Proven results in building or scaling Layer 1 blockchains performance.

  • A proven tech lead with experience planning and leading large projects with long-term impact on a single system or team.

  • Strong technical grasp and excellent judgment on task prioritizations.

  • Able to tackle complex engineering problems that deliver results.

  • History of creating and applying new processes and tooling to increase engineering efficiency.

Frequently Asked Questions

Is the salary disclosed for the Protocol Software Engineer - Consensus position at sei-labs?
The salary for this Protocol Software Engineer - Consensus role at sei-labs is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Protocol Software Engineer - Consensus job at sei-labs remote?
Yes, this Protocol Software Engineer - Consensus position at sei-labs is remote, with team members based in New York City. You can work from home or anywhere in the supported regions.
Is the Protocol Software Engineer - Consensus role at sei-labs full-time or part-time?
This is listed as a FullTime position. It is posted as a Protocol Software Engineer - Consensus role in the Engineering department at sei-labs.
Which team or department does the Protocol Software Engineer - Consensus at sei-labs belong to?
This Protocol Software Engineer - Consensus position is part of the Engineering department at sei-labs. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Protocol Software Engineer - Consensus position at sei-labs?
Click the "Apply Now" button on this page. You will be redirected to sei-labs's official application portal hosted on ashby where you can submit your application directly.
When was the Protocol Software Engineer - Consensus job at sei-labs posted?
This Protocol Software Engineer - Consensus position at sei-labs was posted on May 27, 2025. Apply as soon as possible โ€” early applications are often reviewed first.
Protocol Software Engineer - Consensus
sei-labs
Apply for this role โ†—

You'll be redirected to sei-labs's official application page on Ashby ATS.