Company profile

Category Labs Tech Stack

Core software for Monad, a high-performance EVM-compatible Layer 1

Software Development New York, NY 51–200 employees Founded 2022 Privately Held

Category Labs, formerly Monad Labs, builds the core client software behind the Monad Layer 1: parallel EVM execution, a custom state database and BFT consensus. A systems-level stack of C++, Clang/LLVM, GDB and Valgrind alongside Rust and Go, plus job posts on formal verification and weakest-precondition proofs, points to correctness-critical low-level engineering. Hiring is all senior engineering and currently slow.

Tech Stack 24 technologies

Core StackC++ Rust Ansible Terraform Kubernetes Prometheus Grafana Loki Python Docker Puppet Go Ethereum Virtual Machine Clang LLVM GDB Ethereum Atlantis Flux Solidity Foundry Hardhat Valgrind

What Category Labs Is BuildingChallenges and projects from their job posts

◆Challenges

EVM execution performance bottlenecks
Scaling consensus mechanisms
Operating a large distributed node fleet
Reducing manual operational toil

▲Active Projects

Accelerating EVM bytecode execution via execution graphs
Formal verification of concurrent C++ execution logic
Monad protocol and consensus improvements
Agentic tooling with guardrails for autonomous operations
Release pipeline automation
Model workload infrastructure

Hiring Activity

Minimal9 roles · 0 in 30d

Department

Engineering

Seniority

Senior

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About Category Labs

Category Labs is a New York-based, privately held company founded in 2022, previously known as Monad Labs. It develops Monad, an EVM-compatible Layer 1 blockchain whose public mainnet is live. The team writes the network's core software, including a parallel-execution EVM, a custom state database and a BFT consensus client, all developed in the open. Its audience spans developers building EVM applications and operators running network infrastructure. The company employs 51–200 people and hires in the United States.

HeadquartersNew York, NY

Company Size51–200 employees

Founded2022

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Category Labs use?

Category Labs works in C++, Rust, Go and Python with Clang, LLVM, GDB and Valgrind, plus Solidity, Foundry and Hardhat for EVM work, and Kubernetes, Terraform, Atlantis, Flux, Ansible, Prometheus, Grafana and Loki for infrastructure.

What is Category Labs working on?

Current work includes accelerating EVM bytecode execution, a bytecode execution graph builder, formal verification of Monad's concurrent execution logic, consensus improvements and release pipeline automation.

Is Category Labs hiring engineers?

Yes. Open roles are concentrated entirely in senior engineering positions based in the United States, though new postings have slowed recently.

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How this profile is built

Category Labs's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.