• Location preference: San Francisco, CA or New York City, NY
• Direct hire, full-time opportunity

Mesh is looking for a Principal Engineer to help architect and build the foundation of the world’s first global crypto payments network. In this role, you’ll operate across the full stack — from backend systems to user-facing applications — driving key technical decisions and shaping the future of digital finance. You’ll work closely with cross-functional teams across engineering, product, and design to lead the development of secure, seamless, and scalable financial experiences. As one of our most senior technical leaders, you’ll play a critical role in defining system architecture, mentoring engineers, and influencing product strategy. We’re especially excited to meet candidates based in San Francisco or NYC, where you’ll collaborate closely with our core team and help drive our engineering culture from the ground up — but we’re also open to remote candidates located in the U.S.

Responsibilities

• Own and drive the roadmap, and implementation for multiple areas of focus, balancing short- and long-term priorities against various business needs.
• Drive technical architecture decisions and system designs.
• Provide technical leadership across teams.
• Collaborate closely with leadership, product, and teams to set strategy.
• Develop and maintain backend services and APIs.
• Work closely with Azure cloud services for deployment and scalability.
• Conduct thorough testing, debugging, and prompt resolution of software defects.
• Stay up-to-date with industry trends and emerging technologies.
• Create high-quality, efficient, and reliable code following best practices.
• Optimize performance and scalability of backend systems for handling large data volumes.
• Stay updated on the latest trends and technologies in fintech/crypto and backend development.
• Build crypto first and secure products to facilitate traditional financial activity, such as payments, transfers etc.
• Drive software best practices and architectural considerations on a project-wide level.
• Champion best practices in software engineering, infrastructure as code, and DevSecOps.

Requirements

• 10+ years of software engineering experience, with at least 3 years in fintech or payments infrastructure.
• Strong backend skills in one or more of: C#, C++, Go, Java, Python.
• Proficiency in cloud-native development (Azure), Kubernetes, Terraform, and CI/CD tooling.
• A security first mindset: with good knowledge of common security concepts such as AuthN, AuthZ, SAML, API security, encryption etc
• An understanding of crypto concepts such as blockchains, RPCs, self custody wallets etc.
• Solid understanding of RESTful API design principles and microservices architecture.
• Prior experience leading engineering in a high-growth startup environment is a plus.
• Strong analytical and problem-solving skills, with the ability to navigate ambiguity and make critical decisions under pressure.
• A passion for innovation, learning, and growth. Comfort with ambiguity and the ability to thrive in a startup environment.

Why Join Us?

• We’re solving real-world money movement problems at scale.
• You’ll play a foundational role in shaping both the product and engineering culture.
• Series B stage = high impact, high growth opportunity with significant equity upside.
• We move fast, stay nimble, and deeply value technical excellence.
• Comprehensive health, dental and vision insurance
• Flexible PTO, remote-first culture and quarterly off-sites