Machine Learning Engineer, Block

Commerce Fraud Risk, Modeling

$139-245.4k

Employee Stock Purchase Program

AWS

GCP

Python

Java

Tensorflow

NumPy

Pandas

Scikit-Learn

Snowflake

PyTorch

Senior level

San Francisco Bay Area

Remote from US

Financial services ecosystem

Job no longer available

Financial services ecosystem

1001+ employees

FintechB2CB2BPaymentsFinancial Services

Job no longer available

$139-245.4k

Employee Stock Purchase Program

AWS

GCP

Python

Java

Tensorflow

NumPy

Pandas

Scikit-Learn

Snowflake

PyTorch

Senior level

San Francisco Bay Area

Remote from US

1001+ employees

FintechB2CB2BPaymentsFinancial Services

Company mission

To create better tools to help everyone access the economy.

Job

Company

Role

Who you are

Bachelor's degree in Computer Science, Statistics, Mathematics, or a related field. A Master's degree is preferred
5+ years of experience in machine learning, data analysis, or a related field
Proven experience in fraud detection and risk management
Strong knowledge of machine learning algorithms and data analysis techniques
Proficiency in programming languages such as Python or Java
Excellent problem-solving skills and attention to detail
Strong communication skills, with the ability to explain complex concepts to non-technical stakeholders
Strong understanding of machine learning algorithms, data analysis, and fraud detection techniques

What the job involves

Develop, implement, and maintain machine learning models for fraud detection
Analyze large datasets to identify patterns and trends related to fraudulent activities
Collaborate with cross-functional teams to understand business needs and develop solutions to mitigate fraud risks
Continuously monitor and evaluate the performance of machine learning models, making adjustments as necessary
Stay up-to-date with the latest developments in machine learning and fraud detection, and incorporate new techniques and technologies into our processes as appropriate
Prepare and present reports on model performance and fraud trends to stakeholders

Our take

Block is a financial services technology company comprising of Square, Cash App, Spiral, TIDAL, and TBD. Its biggest brand, Square, offers hardware and software for small to medium-sized businesses enabling them to manage the entire payment lifecycle. It functions similarly to Shopify and Stripe, but has paired online payment processing with physical devices such as registers, payment terminals, and mobile card readers.

The business was originally founded as Square in 2009 by Jack Dorsey of Twitter fame. Already well-established with SMEs all over the globe, Square has significantly benefited from the increased demand for mobile payment systems. Its order management feature remains a go-to tool for small businesses that otherwise didn't have the proper infrastructure in place when demand for home delivery surged.

Square rebranded as Block in December 2021, with the Square brand name remaining in place for their seller business. The company has since come under fire for its security practices, facing lawsuits in relation to a major breach of CashApp user data, and in 2024 announced plans to reduce its workforce in order to cut costs. Despite these setbacks, there is every chance the business will move past this, though it may take some time to rebuild trust in its product.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

19% employee growth in 12 months

Glassdoor (4.1)

Trustpilot (4.1)

Company

Company benefits

Healthcare coverage (Medical, Vision and Dental insurance)
Health Savings Account and Flexible Spending Account
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 (including 12 paid holidays)
Paid sick leave (1 hour per 26 hours worked (max 80 hours per calendar year to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees)
Learning and Development resources
Paid Life insurance, AD&D, and disability benefits

Company HQ

SoMa, San Francisco, CA

Leadership

Jack Dorsey

(CEO)

Having studied at and dropped out of New York University, Jack founded Twitter in March 2006, where he has served as CEO since. He co-founded Square with Jim in February 2009, and has remained its CEO ever since.

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