Staff Backend Engineer (must fintech exp)

Only EU location

Our client is developing a payments infrastructure that allows consumers to pay and receive funds using different types of digital assets. Although a significant volume of tokenized value exists today, much of it cannot be easily used for everyday transactions.

The product addresses this gap by enabling reliable and practical digital asset payments. It combines a robust orchestration layer with a consumer-facing application, making it possible to unlock liquidity and support real-world usage at scale.

They are looking for a Staff Backend 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.

Requirements:
— 8+ 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
— 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.

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.
— 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.
— 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.
— Champion best practices in software engineering, infrastructure as code, and DevSecOps.