Senior Data Scientist - Model Strategy Management

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.
The Role
The Advanced Insights and Modeling (AIM) team is a high-impact, business-savvy group of builders-comprising machine learning engineers, data scientists, data engineers, and business strategists-who blend cutting-edge machine learning with deep product and financial insight. Known for high standards, rapid execution, and full-stack model ownership, they deliver scalable, high-value solutions across domains. AIM thrives on curiosity, bold thinking, and collaboration, fostering a magnetic, non-corporate culture. Trusted across the company, they are a go-to partner for insight, speed, and transformative business impact.
The AIM team plays a pivotal role in developing and scaling AI-driven predictive metrics that inform strategic investment decisions and drive operational excellence across the company. These metrics such as revenue inflow and outflow, active customer counts, customer lifetime value, and sales prospect value are foundational to planning and execution across Finance, Marketing, Sales, Product, and Risk, enabling high-confidence, data-informed decisions at scale.
We are seeking a Senior Data Scientist to support our ML Business Modeling team within the Advanced Insights & Modeling group. This role requires a strong sense of business strategy, Economic insight, data science expertise, and Machine Learning modeling experience. A successful candidate will lead the development of business models, manage project timelines, and execute post-development model performance testing framework. As a Data Scientist, you will be the liaison between Engineers and Business teams, translating business requirements into modelable exercises.
You Will

• Participate in the development and implementation of advanced predictive models to support strategic business decisions.
• Manage project timelines and deliverables, ensuring the timely completion of data science initiatives.
• Prioritize model development efforts based on business impact and strategic objectives.
• Collaborate with machine learning engineering teams to build and maintain robust end-to-end data pipelines.
• Conduct early-stage analysis to inform model development, leveraging business intuition to suggest key drivers and features.
• Own parallel modeling to ensure alignment with business expectations and reporting.
• Interface with business stakeholders to gather requirements and ensure models meet business needs.
• Explore improvements to business analytics using LLMs and other productivity tools.

You Have

• Bachelor's with 5+ or Master's with 3+ years of experience in finance, economic analysis, data science, or a related field, with a focus on applying analytic tools to business problems.
• Expertise in forecasting, predictive modeling, and value estimation, including statistical and ML-based methods.
• Advanced proficiency in Python, and experience with libraries such as scikit-learn, XGBoost, LightGBM, and pandas/numpy.
• Excellent communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
• Demonstrated ability to work collaboratively across teams and functions.

Technologies We Use and Teach

• SQL
• Python (Streamlit, Sklearn, Prefect)
• GitHub
• Databricks

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 an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and "fair chance" ordinances.
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 .
While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.
Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate's starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.
To find a location's zone designation, please refer to this resource . If a location of interest is not listed, please speak with a recruiter for additional information.
Zone A:
$163,600 - $245,400 USD
Zone B:
$155,400 - $233,200 USD
Zone C:
$147,300 - $220,900 USD
Zone D:
$139,000 - $208,600 USD
Use of AI in Our Hiring Process
We may use automated AI tools to evaluate job applications for efficiency and consistency. These tools comply with local regulations, including bias audits, and we handle all personal data in accordance with state and local privacy laws.
Contact us at [email protected] with hiring practice or data usage questions.
Every benefit we offer is designed with one goal: empowering you to do the best work of your career while building the life you want. Remote work, medical insurance, flexible time off, retirement savings plans, and modern family planning are just some of our offering. Check out our other benefits at Block.
Block, Inc. (NYSE: XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone.