Staff Android Engineer, Accessibility  UI Systems

Staff Android Engineer, Accessibility & UI Systems - Block

Block is seeking a skilled Staff Android Engineer to lead accessibility and UI systems across our mobile products. This is a remote-friendly, full-time role focused on delivering accessible, high-quality Android experiences for Block users.

Responsibilities

• Design, implement, and maintain accessible Android features and components aligned with WCAG and inclusive design principles.
• Collaborate with Product and Design teams to translate complex UI requirements into scalable, accessible UI systems using modern Android patterns and Jetpack libraries.
• Own architecture and quality of critical UI components, ensuring performance, reliability, and testability.
• Lead code reviews, contribute to testing strategies (unit/instrumentation/UI tests), and mentor senior/junior engineers.
• Advocate for accessibility best practices across the organization and help drive inclusive product development.

What we are looking for

• 5+ years of professional Android development experience (Kotlin and/or Java).
• Strong knowledge of Android architecture patterns, Jetpack libraries, Material Design, and UI systems.
• Proven experience building accessible features and implementing WCAG-compliant UI; experience with testing (e.g., Espresso, UIAutomator).
• Ability to design robust, reusable UI components and contribute to design systems for mobile apps.
• Excellent collaboration and communication skills; comfortable working with cross-functional teams.

Bonus points

• Experience with iOS, cross-platform frameworks, or broader mobile accessibility standards.
• Experience with automated accessibility testing tools and performance profiling.

About Block

Block builds simple, secure tools that empower people to manage money. We value inclusion, curiosity, and shipping high-quality software. This role is remote-friendly with opportunities to collaborate across teams.