Job Description

At Block, our Issuing team is at the heart of our operations, powering tens of millions of cards for Cash and Square. We’re on a mission to create a robust platform that handles everything from card lifecycle and KYC to card fulfillment, transaction processing, disputes, and fraud. Our work is critical in building trust and efficiency for our customers, making their financial operations seamless and secure. As a key member of our team, you will be focused on expanding our disputes and fraud platform.

Qualifications

You will:

• Design, build and support the core systems used to power all transactions on Cash App
• Break existing monoliths into event-driven microservices 
• Creatively solve challenging technical problems at scale
• Partner closely with product managers, data scientists, product engineers, and business leads to define our roadmap 
• Have autonomy to research and achieve outcomes with support when you need it
• Contributing to the growth of our development capabilities through leading, mentoring and supporting fellow engineers

You have: 

• 8+ years of experience delivering quality software
• Natural curiosity to learn new technologies, solve interesting problems and build quality software
• Desire to find flaws in a system with many moving parts and take whatever steps are necessary to fix them
• Desire to perform and grow as an engineer
• Technical initiative and leadership on previous projects

Technologies we use and teach:

• Java, Kotlin, Go
• Kubernetes, AWS
• Jaeger, Prometheus, SignalFx
• JUnit
• Hibernate, Guice, GRPC