Senior Software Engineer, Fraud Risk

Job Description

Risk Engineering works to protect Square and our customers' $25B+ in payments from fraud and payment disputes. We build systems to detect and respond to potential fraud threats, provide outstanding tools to agents for investigating fraud events, and give our customers seamless web and mobile experiences to manage and fight payment disputes. Our mission is to protect Square, protect our customers, and make a complicated and sometimes painful process understandable to all.

Fraud Risk is looking for a Senior Software Engineer to help us build solutions that further these goals. You will collaborate with teams across the company on new product and market launches to fight fraud and make real-time data available for scalable ML-based fraud decisioning. Help us solve these challenging problems with data science, machine learning, and efficient tooling!

Responsibilities

Work with teams and roles across Square to develop new solutions and improve existing processes addressing fraud.
Develop essential tooling to act quickly on potential fraud.
Design fault-tolerant systems so the team can be brave, move fast, and break things, without ever showing a negative impact to customers.
Advocate and model engineering best practices.
Mentor other engineers.

Qualifications

5+ years of software engineering experience.
Interest in working full-stack across multiple technical domains, including backend microservices and internal tooling.
Experience building products end to end - technical design, implementation, testing, launch, and maintenance.
Metrics-oriented mindset: you want your work to be measurable and impactful.
Comfortable working with a globally distributed team of data scientists, engineers, and risk experts.

Technologies We Use and Teach

Java, Guice, Google Cloud Platform, Amazon Web Services
Go, Ruby on Rails, Ember, React, GraphQL
Protocol Buffers
MySQL, Hibernate, jOOQ

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, 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.

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

Benefits
Extracted with AI

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

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