• 5+ years of software engineering experience in Java, Go or similar
• BA/BS degree in Computer Science or equivalent practical experience
• Understanding and curiosity in creating highly available, scalable, low-latency, distributed global systems
• Interest in changing the payments landscape in the US and globally
• Eagerness to learn, share your ideas, and work with others

Desirable

• As a Senior Software Engineer on the Payment Foundations team, you will be responsible for designing, building, and maintaining Payments platform services and infrastructure that move money for Square
• You will be deeply involved in the technical details of building highly available and reliable services, while also working with product teams to enable Square to rapidly build new capabilities for our merchants and buyers all over the world
• Build our Payments Platform, used by the rest of the organization and a key strategic asset of Square
• Design and implement reliable, high-volume, low-latency, distributed transaction processing systems, making thoughtful tradeoffs between consistency and availability when both are not possible
• Abstract away the legacy APIs of the financial world into consistent, coherent service APIs for Square and our sellers' products to build upon
• Build systems that manage customers' sensitive data and hold Square to the highest standards for security and compliance
• Mentor other engineers and contribute to the direction of the team
• Participate in agile development processes, including stand-ups, sprint planning, and retrospectives
• Work with our product, business, and finance teams to develop Square's global payments strategy
• Focus on operational excellence to deliver fault-tolerant systems enabling our teams to move fast without negatively affecting our customers