Remote Lead Protocol Engineer, Layer-1 Blockchain

Sei Labs; New York (NY); On-site; USD 180,000 - 260,000; Full time

Job summary

SeiSei Labs is seeking 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 foundational layers of a high-performance network.

You will collaborate with our engineering team and ecosystem partners, driving improvements and delivering scalable solutions. This role demands low-level systems design, performance tuning, and ownership of critical components.

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.

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.

Skills

Infrastructure engineering

Tech leadership

Systems optimization

Blockchain

Problem solving

Tools

Blockchain development

Software infrastructure

Job description

SeiSei Labs is seeking 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 foundational layers of a high-performance network.

You will collaborate with our engineering team and ecosystem partners, driving improvements and delivering scalable solutions. This role demands low-level systems design, performance tuning, and ownership of critical components.