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Senior Software Engineer, Growth Monetization Web

Cash App

$185,200 - $326,800
Aug 20, 2025
San Francisco, CA, US
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Block is looking to increase the adoption and utilization of Square's products by improving pricing experiences, plan comparisons, and in-app upgrade paths to drive business outcomes for sellers.

Requirements

  • 8+ years of industry experience building for the web, with proven record of successfully delivering large features
  • Deep expertise in React and modern frameworks - the kind of knowledge that comes from building and maintaining large-scale React applications
  • Significant experience working with component libraries and design systems. You’ve worked to maintain an existing one and/or helped build one from the ground up
  • Experience building high-quality, production-level interfaces at scale
  • Curiosity about emerging technologies and their practical applications in system workflows
  • Familiarity with A/B testing and experimentation tooling.
  • Familiarity with GraphQL, Redux (or similar state management libraries), and design systems like Storybook.

Responsibilities

  • Design and implement complex, user-facing features and frontend architectures that scale.
  • Build and scale React-based applications with high standards for performance, maintainability, and accessibility.
  • Lead critical engineering initiatives that impact product monetization, conversion, and feature adoption.
  • Collaborate with cross-functional teams to rapidly prototype and iterate on ongoing initiatives
  • Define the technical strategy and raise the standards on best practices across front-end architecture, performance, accessibility, testing and maintainability
  • Explore and implement emerging technologies, including AI-assisted automations to enhance our development workflows
  • Mentor engineers across the teams, evolving and instilling a culture of high quality and high velocity work leading by example

Other

  • Strong collaboration, communication, and ownership
  • Strong experience working cross-functionally with multiple stakeholders
  • Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class.
  • We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and "fair chance" ordinances.
  • We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible.