Senior Software Engineer, Experimentation

  • Full-time

Company Description

Since we first opened our doors in 2009, the world of commerce has evolved immensely – and so has Square. After enabling anyone to take a payment and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. So we expanded into software and started building integrated, omnichannel solutions – to help sellers sell online, manage inventory, run a busy kitchen, book appointments, engage loyal buyers, and hire and pay staff. And across it all, we’ve embedded financial services tools at the point of sale, so merchants can access a business loan and manage their cash flow all in one place.

Today, we’re a partner to sellers of all sizes – large, enterprise-scale businesses with complex commerce operations, sellers just starting out, as well as merchants who began selling with Square and have grown larger over time. As our sellers scale, so do our solutions. We all grow together.

There is a massive opportunity in front of us. We’re building a business that is big, meaningful, and lasting. And we are helping sellers around the world do the same.

Job Description

You have a unique opportunity to become a founding member of the Experimentation team and build tools with a significant impact across Cash App. The experimentation team is a brand new team with a mission to provide a simple, intuitive experimentation platform that enables optimization, and attribution across mobile, server, and web. Our goal is to democratize experimentation and cultivate an experimentation culture at Cash App.

As a senior software engineer on the Experimentation team, you will:

  • Champion the needs of experimentation platform users, through empathy, iteration, and service ownership.
  • Build components of the Experimentation Platform 
  • Work with product teams, data scientists, and operations on their use cases.
  • Fosters an environment of collaboration and knowledge sharing within your team. 

Qualifications

You have: 

  • 4+ years of experience delivering quality software
  • Passion for experimentation, high scalability services and operational excellence
  • A desire to teach, improve, and otherwise force multiply the strengths of the engineers that surround you.

Technologies we use and teach:

  • Java, Kotlin
  • AWS
  • Datadog, SignalFx

We currently work with Kotlin and deploy our microservices in AWS.

Additional Information

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.

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