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.

All of Block's product services are organized into departments with their own product and engineering teams. Underneath, there's a connected platform team that supports the network. We are that platform. Through data pipelines, we collect data from across Block's ecosystem of products. Our knowledge graph infrastructure contains billions connections between millions entities across Block. This connected data is used across multiple teams, from getting more users onto the Block platform to feature development for statistical models. The scope of this team's work is expanding and there are many opportunities for improving Block's growing global audience.

Within our team, we're looking for engineers to focus on building Block's graph data systems. Our focus is on building fault tolerant systems that make operations, analysts and data scientists happier and more productive. Our infrastructure is used by product teams on both the Seller and Cash App sides of the business.

You will build APIs and databases that connect data from products across Block. You will work with our internal customers (Machine Learning Engineers, Data Scientists and Operations Agents) to understand their workflows.

• A desire to design systems that solve our customer's problems; you want to understand your customers' needs.
• You lead small projects and mentor junior engineers
• The ability to produce production-quality code incorporating testing, evaluation, and monitoring
• 5+ years of experience developing large-scale distributed data systems
• Experience using any of the major cloud vendors (GCP, AWS, Azure)
• Experience in any of: graph or network data, machine learning infrastructure
• It is a plus if you have an advanced degree focusing in computer science or other computational fields.

We use and teach:

• Java, Python, Google Cloud Platform, AWS, Snowflake, JanusGraph, and Docker
• MySQL, Redis, Hibernate, jOOQ, and Bigtable
• Python ML stack (pandas, scikit-learn, Jupyter, TensorFlow)

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, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other 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 a workplace that is fair and square? Check out our I+D page. 

Additionally, we consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.

Perks

We want you to be well and thrive. Our global benefits package includes:

• Healthcare coverage
• Retirement Plans
• Employee Stock Purchase Program
• Wellness perks
• Paid parental leave
• Paid time off
• Learning and Development resources

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD54566975, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD54566975 is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.