Senior Backend Engineer - CardsSpecialist

Work from anywhere, impact everywhere Diversity is at the heart of who we are at Xapo Bank. We’re a fully distributed team of over 200 talented people that work remotely from 50+ countries around the world. We work hard, think globally, and inspire each other to learn and grow. We are committed to changing the way things are done. To achieve that, we search the world for the best people for the job. This is how we are transforming the world of digital banking. Our team is worldwide, and our capacity for innovation, is limitless. Join our remote team of dreamers and doers as we take Xapo Bank to the next level Although we are headquartered in Gibraltar, this is a full-time, 100% remote position. Work from anywhere! Position Overview We’re looking for a Senior Backend Engineer with experience working with banking card processing (ideally on the issuer or processor side) to join our engineering function. Our tech stack includes: AWS for all of our Infrastructure Docker Python / Flask MySQL MongoDB Redis At Xapo we are building truly cross-functional teams with full ownership of design, architecture, build, test, delivery and operations. You will collaborate closely with your fellow team members from the product, apps, design, and QA communities of practice. As a Senior Backend Engineer, you will provide guidance and coaching around technical good practices as well as play an active role in the Development Community of practice. Although we are headquartered in Gibraltar, this is a full-time, 100% remote position. Work from anywhere! Responsibilities Develop card application updates and provide technical support on the card's daily operations with the development team Designing, developing, and deploying backend services with a focus on high availability, fault tolerance, low latency, and security. Your team will take full end-to-end responsibility for the services your team owns, from development through to production operation Collaboration with team members across multiple functional areas to ensure delivery of the best solutions for our customers. Skills needed 3+ years of experience building and maintaining card programs, familiarity with card transaction processing and authentication methods with Visa and Mastercard; experience with digital wallets is an advantage Significant software engineering experience in one or more general-purpose programming languages (we use Python) Great teamwork and communication skills in English, comfortable preparing high-quality documentation and designs to aid understanding and knowledge sharing. Understanding of microservice architectures, container-based 12-factor apps, and cloud-native patterns around fault tolerance. Practical experience applying Domain Driven Design and understanding the principles behind building software that is testable, observable, reliable, and sustainable to maintain. Experience building contract first services and adopting patterns and frameworks to enable appropriate automated testing at unit, contract, service and end-to-end levels. Experience building services that can be deployed on demand, quickly and with quality. Excellent understanding of CI/CD patterns and good practice. Understands the role of high-quality observability in building highly scalable and performant software Experience working with a public or private cloud vendor Experience working in Finance is beneficial Experience with PCI DSS (Payment Card Industry Data Security Standards) Requirements and Certification process is an advantage Other requirements A dedicated workspace A reliable internet connection with the fastest speed possible in your area Devices and other essential equipment that meet minimal technical specifications Alignment with Our Values. Why work for Xapo? IMPACT GLOBALLY, WORK REMOTELY. Shape the Future: Improve lives through cutting-edge technology, and work 100% remotely from anywhere in the world. Great work-life balance: Build amazing things with a balance of autonomy and collaborative teamwork. Set your own work schedule and make use of a flexible PTO plan when you need to recharge. Expect Excellence: Collaborate, learn, and grow with a high-performance team. Learn how you learn best - from books to conferences, you’ll get a yearly budget for your individual learning and development goals.