Senior Software Engineer, GraphQL

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
Senior Software Engineers on the GraphQL team help build and scale our GraphQL infrastructure that powers applications across Block's ecosystem. You will work remotely and report to the AiDA GraphQL Manager. You will lead the design, implementation, and evolution of our GraphQL platform, ensuring it meets the highest standards of performance, reliability, and developer experience. This position is ideal for an experienced engineer passionate about API design, distributed systems, and building developer platforms that empower teams across Block to deliver products.
You will own end-to-end platform features, drive technical decisions that impact multiple teams, and serve as a technical leader in GraphQL best practices while mentoring other engineers across the organization.
You Will

• Lead the design and implementation of core GraphQL platform features, including API gateway capabilities, schema management tools, and developer SDKs
• Drive platform architecture decisions and implement solutions that scale across Block's ecosystem
• Build and maintain developer tooling that enhances productivity and ensures GraphQL practices across teams
• Collaborate with product teams across Block (Square, Cash App, etc.) to understand their needs and build solutions that promote both internal and external API capabilities
• Design and implement performance monitoring, optimization, and reliability improvements for the GraphQL platform
• Foster collaboration between teams and drive adoption of GraphQL best practices

You Have

• Minimum of 6 years of relevant experience with a Bachelor's degree in Computer Science, Engineering, or related technical field; or equivalent practical experience
• Expertise in TypeScript and Kotlin, working across the stack
• Experience designing, building, and maintaining API platforms or developer tools
• Experience influencing technical decisions across an organization
• Experience mentoring engineers and driving technical excellence
• Strong system design and architecture skills
• Experience with performance optimization and monitoring of large-scale systems

Even Better

• Experience with GraphQL, Apollo tools, or similar API technologies
• Knowledge of API gateway patterns and implementations
• Contributions to open-source projects

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 a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, based solely on the core competencies required of the role at hand, and without regard to any legally protected class. 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 an inclusive workplace? Check out our Inclusion & Diversity page
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 with a recruiter for additional information.
Zone A:
$217,800 - $326,800 USD
Zone B:
$207,000 - $310,400 USD
Zone C:
$196,100 - $294,100 USD
Zone D:
$185,200 - $277,800 USD
Every benefit we offer is designed with one goal: empowering you to do the best work of your career while building the life you want. Remote work, healthcare coverage, flexible time off, and modern family planning are just some of our offerings. Check out our other benefits at Block.
Block, Inc. (NYSE: XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone.