Senior Data Scientist, Growth Product

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 Growth Product Data Science team sits at the heart of Square's seller growth strategy within Block's broader AI and Data org. We partner deeply with product, design, and engineering to surface insights, design experiments, and influence product strategy and roadmap prioritization. We creatively use a diverse set of tactics across the 'full stack' of data tools to foster data-driven decision making. Our work directly impacts seller outcomes-furthering Block's purpose of economic empowerment-while contributing to data science excellence and innovation across Block.
Work from anywhere: This role can be performed from any location in the US with the flexibility to work from home
You Will

• Analyze large datasets using SQL & scripting languages to surface actionable insights & opportunities to the product team and other stakeholders, driving strategy and facilitating decision-making for key business initiatives
• Approach problems from first principles, using a variety of statistical modeling techniques to research and understand customer behavior and business performance
• Design & analyze A/B tests and apply pseudo-experimental methods such as DiD, synthetic controls, or related causal inference techniques
• Build, forecast, and report on metrics that inform strategy and facilitate decision-making for key business initiatives: visualizing data in self-serve dashboards for your partners
• Work with engineers to log new, useful data sources as we build new product features
• Write code to effectively process, cleanse, and combine data sources in scaled & useful ways, often resulting in curated ETL datasets that are easily used by the broader team
• Effectively communicate your work with team leads and cross-functional stakeholders on a regular basis
• Expand your influence in the Block Data Science community by developing and evangelizing data solutions to improve analytics insightfulness and actionability.

You Have

• 8+ years of related experience
• Fluency with SQL and Python
• Experience using AI tools to automate mundane tasks, accelerate development, and enhance solutions
• Experience with BI tools and data engineering fundamentals
• Familiarity with standard machine learning concepts and statistics concepts (including causal inference)
• Experience leading cross-functional projects; influencing without authority
• Experience working with technical and non-technical partners, including engineering, product, and business teams; particularly strong written communication skills
• Comfort with ambiguity and ability to define problems, not just solve them

Technologies We Use and Teach

• SQL and ETL: Snowflake, Airflow, Prefect
• Data Viz and BI: Looker, Tableau, Mode, Amplitude
• ML / Stats: Python (Databricks)
• Hypothesis testing: Growthbook, LaunchDarkly

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:
$198,000 - $297,000 USD
Zone B:
$188,100 - $282,100 USD
Zone C:
$178,200 - $267,400 USD
Zone D:
$168,300 - $252,500 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.