Software Engineer, Cross-Platform Rust Spruce Systems Software Engineering Remote Posted 6+ months ago At SpruceID, we are reimagining trusted interactions by creating the world’s best software for packaging beliefs digitally. We are a team of programmers working to develop world-class open source products and libraries implementing open global standards in identity. There are no well-worn paths or theoreticals here. Every SpruceID technical staffer gets their hands dirty writing code, learning new technologies, and solving problems at the bleeding edge of our space. We hire results-oriented developers who love technology and are committed to intellectual honesty, user privacy, and innovation. You will be responsible for developing cross-platform libraries, server software, full-stack applications, and infrastructure using multiple technologies including Rust. Our software is secure by design, professionally audited, and suitable for high stakes applications. You will also have the opportunity to contribute to emerging global technology standards for digital identity. While we don't require you to have Rust experience to apply for this job, you should demonstrate a strong aptitude for statically typed languages, memory management, and secure programming practices. We are a fully distributed team, but our working hours run from PT (UTC-8) through CET (UTC+1). Responsibilities Contribute to new and existing Rust codebases that run on backend services, mobile devices, and in the browser Write full-stack web and mobile applications With support and review from cryptographers, use cryptographic APIs to implement digital signatures, message authentication, encryption/decryption, and zero-knowledge proof protocols for production applications Work closely with customer delivery leads, engineers, product managers, and UX designers Qualifications 3+ years experience shipping widely-distributed backend software in statically-typed languages Experience building web or mobile frontends using Javascript, Swift, Kotlin, Flutter, or React Native Experience with devops and infrastructure using AWS, GCP, or Azure Aptitude for computer security, correct use of cryptography, and user data privacy Experience collaborating with geographically and culturally diverse engineering teams Experience working on public sector or enterprise software Contributions to open source software projects and technology standards Familiarity with operating system internals, compiler internals, memory management, and low level programming Bachelor’s degree in computer science or related field