Principal Software Engineer

Mesh; New York (NY); On-site; USD 150,000 - 200,000; Full time

Job summary

A leading fintech company, Mesh, is seeking a Principal Engineer to architect its global crypto payments network. This role offers the opportunity to influence product strategies and lead engineering teams in a startup environment. Ideal candidates will bring extensive software engineering experience, particularly in fintech, along with a passion for innovation and technical excellence.

Benefits

Flexible PTO

Remote-first culture

Quarterly off-sites

Competitive salary and benefits package

Qualifications

• 10+ years of software engineering experience.
• Strong skills in C#, C++, Go, Java, or Python.
• Proficiency in cloud-native development.

Responsibilities

• Own and drive the roadmap and implementation for multiple areas.
• Develop and maintain backend services and APIs.
• Optimize performance and scalability of backend systems.

Skills

Backend development skills

Analytical skills

Problem-solving skills

Tools

Azure

Kubernetes

Terraform

CI/CD tooling

Job description

Founded in 2020, Mesh is the first global payment network for crypto, connecting hundreds of exchanges, wallets, and financial services platforms to enable seamless digital asset payments and conversions. By unifying these platforms into a single network, Mesh is pioneering an open, connected, and secure ecosystem for digital finance. Mesh has raised over $120M in funding and is backed by notable investors including Paradigm, PayPal Ventures, Galaxy Ventures, Money Forward, QuantumLight, Samsung Next, Consensys, and more. For more information, visit https://www.meshconnect.com/ .

Overview

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 New York City, 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.
• Flexible PTO, remote-first culture and quarterly off-sites

If you are passionate about building simple solutions to complex problems and are obsessed with creating and building value, we would love to hear from you. Join our dynamic team and contribute to the development of cutting-edge fintech solutions! We offer a competitive salary, benefits package, and opportunities for professional growth and development. If you're looking for an exciting opportunity to help build a rapidly growing company and make a significant impact, we encourage you to apply.

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