Senior Software Engineer, Android Developer Experience

blockBay Area, CA, United States of Americagreenhouse
Posted Date:

September 30, 2025

Employment Type:

Not specified

Work Arrangement:

On-site/Hybrid

Skills & Technologies

10410 Engineering - Developer Experiencepreferred

Contact Information

Job Description

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.

The Role

Android Developer Experience is responsible for building and providing all necessary infrastructure and tools to ensure Square's Android development can continue to be fast and efficient at scale. We're looking for folks who are excited to problem solve and find solutions that empower hundreds of mobile developers to move more quickly than our competitors.

You Will

    • Innovate to amplify the efficiency of our mobile developers to develop, build, test, and release high quality apps to our merchants.
    • Identify key performance bottlenecks in the development experience including the build system, IDE integrations, testing frameworks, and pull request workflows.
    • Help define the scope and the priorities of the team by identifying opportunities to decrease build times, reduce system complexity, and improve the developer experience.
    • Optimize the performance, reliability, and usability of our CI pipeline
    • Own the success of your team's projects, and deliver quantifiable results.
    • Leverage AI-first engineering practices to design, build, and optimize solutions that maximize efficiency, scalability, and developer velocity.

You Have

    • Minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years experience; or equivalent experience
    • Familiarity with build systems (e.g. Ant, Maven, Buck, Gradle, Pants) and CI tools (e.g. Circle, Travis, Jenkins)
    • Experience with supporting build or CI systems infrastructure (ideally at scale)
    • Excellent software engineering aptitude and the ability to provide technical mentorship and guidance
    • Experience building apps for Android in Java / Kotlin

We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. 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 believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we're doing to build a workplace that is fair and square? Check out our I+D page.

While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

To find a location’s zone designation, please refer to this resource. If a location of interest is not listed, please speak