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[Remote] Senior Software Engineer

Remote Full-time Live

Note: The job is a remote job and is open to candidates in USA. Category Labs is a team of systems engineers and researchers focused on decentralized technology and blockchain solutions. They are seeking a Senior Software Engineer to research, design, and build core improvements to the Monad protocol, involving distributed algorithms, cryptography, and consensus mechanisms.

Responsibilities

  • Design and implement core improvements to the consensus mechanism, gossip protocol, state synchronization algorithm, leader election protocol, etc
  • Devise experiments to test worst-case scenarios, and iterate on your design based on the results
  • Design components while taking into account the behavior of other blockchain systems such as rollups, bridges, or staking systems
  • Build performant system components from scratch in C++ or Rust

Skills

  • You have at least 5 years of software engineering experience in Rust, C++, or C
  • You have significant experience building performant systems from scratch, such as databases, device drivers, or embedded systems
  • You have excellent instincts for software architecture, memory management, and performance optimization and profiling tools
  • You hold a Bachelor's, Master's, or PhD in Computer Science, or have equivalent experience
  • You value communication and collaboration

Benefits

  • Private health insurance options
  • Flexible paid time off
  • Monthly wellness reimbursement
  • Paid parental leave
  • World-class benefits package with 100% paid medical, dental, and vision insurance including 75% coverage for dependents and HSA + FSA options
  • 401(k) with company match
  • Lunch and dinner stipend (in-office NYC)
  • Benefits for employees hired through an EOR (outside of the US) will be based on EOR offerings and country-specific requirements.

Company Overview

  • Category Labs develops decentralized systems and infrastructure for high-performance blockchain applications. It was founded in 2022, and is headquartered in New York, New York, USA, with a workforce of 51-200 employees. Its website is https://category.xyz.
  • Company H1B Sponsorship

  • Category Labs has a track record of offering H1B sponsorships, with 4 in 2025. Please note that this does not guarantee sponsorship for this specific role.
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