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Brex logoB
BrexEngineering

Data Scientist II, Applied ML

San Francisco, California, United StatesFull-timeMid-Level$152,000 – $190,000
Posted Oct 1, 2026Deadline: Nov 21, 2026
Job SnapshotActively hiring
LocationSan Francisco, California, United States
Job typeFull-time
Salary$152,000 – $190,000
DeadlineNov 21, 2026

Finjobsly Role Intelligence

Experience level
Mid-Level
Work style
Not specified
Visa sponsorship
Not specified
Salary
$152,000 – $190,000
Key skills
PythonSQLAMLFraudRisk ManagementComplianceMachine LearningData Science

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Finjobsly Intelligence— Generated from the employer's job description

What you'll own

Own the full machine‑learning lifecycle—from problem identification and model design through training, productionization, and ongoing monitoring—delivering data‑driven solutions that manage risk or improve customer experience.

What they're looking for

3+ years of data science/ML experience (or 2+ years with a PhD), strong Python, SQL, and ML framework skills, solid software‑engineering fundamentals, and the ability to communicate and collaborate across technical and non‑technical stakeholders.

Why this role matters

Your models become core assets that shape Brex’s decision‑making, risk management, and customer‑facing products, directly impacting the company’s ability to deliver intelligent finance solutions at scale.

About this role

Why join us

Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek.

Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career.

Data at Brex

The Data organization develops infrastructure, statistical models, and products using financial data. Our Scientists and Engineers work together to make data —and insights derived from data — a core asset across the company. Our work is ingrained in Brex’s decision-making process, in the efficiency of our operations, in our risk management policies, and in the second-to-none experience we provide our consumers.

What You’ll Do

Our Data Scientists are responsible for the entire model development lifecycle, from conception with stakeholders, through model development and productionization, to following through to see that the desired business impact is achieved — including circling back with stakeholders to make product or strategic decisions.

Responsibilities

  • Drive Data & AI solutions from inception to deployment to efficiently manage risk and/or improve customer experience.
  • Be responsible for the full machine learning lifecycle — problem identification, model design, training, productionization, and monitoring.
  • Partner with cross-functional teams (Ops, Engineering, Product, Fraud, Compliance, and Credit).

Requirements

  • 3+ years of experience in Data Science/ML roles, or 2+ years with a PhD in a quantitative field
  • Demonstrated ability to own end-to-end model development, including productionization
  • Expertise in Python programming, SQL queries, and ML-related frameworks
  • Ability to apply statistical techniques such as hypothesis testing and A/B testing, and to approach problems with a statistical mindset
  • Strong software engineering fundamentals, including experience with API development and integrating ML systems into production services
  • Strong communication skills and the ability to collaborate with various stakeholders, both technical and non-technical

Nice to Have

  • Experience working with real-time models
  • Advanced degree (MSc/PhD) or published research in Machine Learning or a related field
  • Previous experience in the risk domain (fraud, AML, and/or credit) or building customer-facing ML models (suggestions/automations)
  • Experience in the fintech industry

Compensation

The expected salary range for this role is $152,000 - $190,000 + equity. However, the starting base pay will depend on a number of factors including the candidate’s location, skills, experience, market demands, and internal pay parity. 

Brex LLC is a wholly owned subsidiary of Capital One, N.A.

Please be aware, job-seekers may be at risk of targeting by malicious actors looking for personal data. Brex recruiters will only reach out via LinkedIn or email with a brex.com domain. Any outreach claiming to be from Brex via other sources should be ignored.

More about this role

About company

Brex logoB

Brex

See website for more.

Full employer profile →Company website ↗

Required skills

PythonSQLAMLFraudRisk ManagementComplianceMachine LearningData Science

Explore more

More Data Jobs→More jobs at Brex→Python jobs →SQL jobs →Salary benchmarks for this role →Browse all fintech jobs →

Brex

Data Scientist II, Applied ML

San Francisco, California, United States$152,000 – $190,000

Company insights

64

Happiness score

64/100

Based on 20 verified employee signals

Capital One completes acquisition of Brex

Capital One completed its cash-and-stock acquisition of Brex on April 7, 2026. The deal was initially valued at $5.15 billion, with CEO Pedro Franceschi continuing to lead Brex.

2026From the webCapital One→

Brex COO Camilla Matias steps down

Chief Operating Officer Camilla Matias left Brex after nearly eight years. She joined as head of finance in 2018 and became COO in January 2024.

mid-2026From the webFinTech Futures→

Brex ships Spring 2026 accounting and card-management release

Brex launched ERP vendor creation, foreign VAT recovery integrations, Microsoft Dynamics 365 connectivity, customizable card programs and new vendor-management tools.

spring 2026From the webBrex→

Brex reports first month of positive operating cash flow

CEO Pedro Franceschi said Brex grew 49% in August 2025 and was operating-cash-flow positive for the first time in the company's history.

late 2025From the webBrex→

AI Generated Insights