The Activity Team is responsible for the Activity tab in Cash App. We sit at the crossroads of building a product and a platform. As a platform team, we focus on building reliable, flexible interfaces for other teams that will allow Cash App to continue to scale and surface relevant data about a customer’s past actions. As a product team, we focus on increasing trust without customers by presenting them with the reliable, relevant, and up-to-date information in the Activity tab. 

You will be a foundational member of this team who will help us work with teams across Cash App to define and refine these new interfaces, ensure that our services are performant, and work collaboratively with product and design to present our users with information they can inherently trust and understand. This role is a backend role, but we work within a cross-functional team! 

You will: 

• Design software that will be used by teams across Cash App to surface relevant information to users
• Work with various product engineering teams to understand their needs and design appropriate data models and APIs to fit those needs
• Get your hands dirty and build backend systems in Kotlin
• Plan and support migrating to the new services we are building
• Work with design on our own team to iterate on ways to present complex data to users

You have: 

• Bachelor's Degree in Computer Science or equivalent experience
• 8+ years of experience engineering backend systems, including knowledge of designing APIs and a foundational understanding of relational databases
• A desire to work on problems of abstraction that require collaboration with several teams 

Technologies We Use and Teach (experience not required):

• Java, Kotlin
• AWS
• HTTP, JSON, gRPC, Protocol Buffers
• OkHttp, Jetty, JUnit, Guice
• Hibernate, MySQL, DynamoDBKafka, events, microservices
• DataDog, Prometheus, SignalFx

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.

Zone A: USD $202,500 - USD $247,500
Zone B: USD $192,400 - USD $235,200
Zone C: USD $182,300 - USD $222,800
Zone D: USD $172,200 - USD $210,400

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. 

Benefits include the following:

• Healthcare coverage
• Retirement Plans including company match 
• Employee Stock Purchase Program
• Wellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowance 
• Paid parental and caregiving leave
• Paid time off
• Learning and Development resources
• Paid Life insurance, AD&D. and disability benefits 
• Perks such as WFH reimbursements and free access to caregiving, legal, and discounted resources 

This role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies, and may be eligible for a sign-on bonus. Sales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policies. Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation or benefit plans.

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.

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, 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. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.