Senior Software Engineer, Protocol

Tools For Humanity•San Francisco, CA

45d•$184,000 - $230,000•Onsite

About The Position

This is a unique opportunity to lead the development and roadmap of a critical component of our Protocol, enabling privacy at scale. It represents the first step in building a privacy-preserving digital identity ecosystem.

Requirements

4+ years of professional software engineering experience, including at least 2 year working with or learning Rust (or significant experience with C++/Go and a strong interest in Rust).
You're excited about solving complex problems and working on systems that require high performance, scalability, and security.
You bring some exposure to areas like distributed systems, protocols, cryptography, or blockchain—or you're eager to grow in these domains.
You thrive in a collaborative environment and are comfortable working closely with both engineering and non-engineering stakeholders.
You care deeply about code quality, learning, and building technologies that can have real-world impact.

Responsibilities

Contribute to the development of performant and secure systems in Rust (or similar systems languages like C++).
Collaborate with senior engineers and cross-functional teams across cryptography, blockchain, AI, and hardware to build scalable solutions.
Write clean, well-documented, and well-tested code.
Participate in design discussions, code reviews, and iterative development cycles.
Support the team in deploying and maintaining services in production environments.