Square · 1 week ago
Machine Learning Engineer (Modeling), Risk
United States
Full-time
Remote
Mid Level
$189K/yr - $284K/yr
3+ years expSquare is a company that provides integrated, omnichannel solutions to help sellers manage their businesses. The Machine Learning Engineer will build models and systems to detect and reduce fraudulent activity across the Cash App and Square ecosystems, ensuring a secure financial experience for users.
BitcoinFinTechMobile PaymentsProductivity ToolsRetail Technology
Responsibilities
Partner with product, engineering, data science, policy, and operations to design and productionize ML-driven solutions to fight fraud at scale
Become a risk domain expert and expert to lead strategy and planning on your workstreams
Develop tooling and processes to improve the effectiveness and speed of the ML development lifecycle
Investigate and use state-of-the-art modeling algorithms and third-party data sources to boost model performance
Contribute positively to our team culture as a collaborative, empathetic, and reliable teammate
Qualification
Required
3+ years of machine learning experience
A degree (preferably graduate level) in Computer Science, Engineering, Statistics, Physics, Applied Math or a related technical field
Hands-on experience independently designing, deploying, and troubleshooting ML solutions using methods such as tree-based models, deep learning, transfer learning, or reinforcement learning
Proficiency in modern ML stacks such as: PySpark, PyTorch, MLflow, GCP Vertex AI, Workflow orchestration tools (i.e. Airflow, Prefect)
Proficiency with containerization, cloud platforms (AWS, GCP), and CI/CD practices
Experience collaborating with cross-functional teams to prioritize, scope, and deploy ML/AI solutions at scale
Experience helping your teammates grow through mentorship and providing constructive feedback
A natural sense of curiosity, and experience with Block's mission of economic empowerment
Benefits
Remote work
Medical insurance
Flexible time off
Retirement savings plans
Modern family planning
Company
Square
Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square.
1001-5000 employees
H1B Sponsorship
Square has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (257)
2024 (253)
2023 (260)
2022 (297)
Funding
Current Stage
Public CompanyTotal Funding
$4.8BKey Investors
GICKleiner PerkinsSequoia Capital
2025-08-13Post Ipo Debt· $2.2B
2024-05-06Post Ipo Debt· $2B
2023-01-11Post Ipo Equity
Leadership Team
Camille Vergara
Product Manager
Conor Delahunty
Product Manager
Recent News
2026-01-05
2026-01-05
Morningstar.com
2025-12-29
Company data provided by crunchbase