Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

Our team is building a suite of financial management tools that empower businesses to run more efficiently and profitably. We aim to become the trusted financial partner for our sellers, helping them streamline operations, make smarter decisions, and grow their businesses with confidence. This team has a mix of senior and junior engineers and owns a variety of experiences that empower sellers with insights to grow their business, manage their pricing rules and discounts.
We’re looking for a Staff/Principal Frontend Engineer (L7) to serve as the technical authority for our team while remaining deeply hands-on. You’ll drive cross-org architectural initiatives, set technical direction, implement key features, and mentor engineering talent across teams. This role blends strategic leadership with hands-on execution to shape the systems and experiences that power millions of seller interactions.
This is an opportunity to lead a critical product surface area in Square’s next evolution: helping sellers manage not just transactions, but their entire financial lives. You’ll shape the foundation of tools that sellers use daily to understand their performance and make strategic decisions. As our Tech Lead, your technical leadership will define how fast we move, how well we collaborate, and how impactful we can be.