Staff Engineer • Senior

Who you are

You have 12+ years of software development experience, with a strong background in large-scale distributed systems. Your expertise in at least one object-oriented programming language allows you to tackle complex challenges effectively. You are skilled at making data-driven decisions in ambiguous environments and have full development lifecycle experience, from definition to delivery.

Your experience includes delivering user-facing products at scale with high quality, particularly in scheduling, payments, or invoicing solutions. You have a proven track record of building business-critical products in commerce or services ecosystems, which makes you a valuable asset to any team.

What you'll do

As a Staff Software Engineer, you will design, build, and evolve Square's Invoices, Appointments, and other Local Services products. You will lead cross-team initiatives and set long-term technical direction, solving complex performance, scalability, and reliability challenges along the way. Balancing system health, security, and technical debt with product needs will be a key part of your role.

You will mentor senior engineers and champion technical excellence across the team, communicating trade-offs clearly and influencing organizational priorities. Your work will directly impact hundreds of thousands of service-based businesses by improving their scheduling, invoicing, and payments processes.

What we offer

At Block, you will be part of a team that is committed to building tools that empower businesses. We encourage you to apply even if your experience doesn't match every requirement, as we value diverse perspectives and backgrounds. Join us in transforming the way customers manage their spending and thrive in their businesses.