Senior Data Scientist, First-Line Risk & Monitoring (Remote)

Block; California; On-site; USD 198,000 - 297,000; Full time

Benefits offered by this job

Medical insurance

Flexible time off

Retirement savings plans

Job summary

Block is seeking a Senior Data Scientist to build and scale control performance monitoring for a portfolio of risks and products. You will partner with risk, compliance, product, and engineering to embed measurement into governance, from pre-launch guardrails to post-launch monitoring, owning metrics and monitoring modules across multiple workstreams.

This role requires analytical rigor, hands-on development, and product judgment.

Qualifications

• Bachelor's degree in statistics, data science, economics, computer science, or a similar quantitative field with 7+ years of relevant experience; a master's degree with 5+ years; or a PhD with 3+ years.
• Track record of leading analytical solutions from problem definition through production use and adoption, including multi-person or cross-team efforts.
• Advanced proficiency in SQL and Python, including experience working with large datasets and building maintainable analytical code, reusable modules, and automated data workflows.

Responsibilities

• Define and maintain actionable control performance metrics and key risk indicators that connect control objectives, risk exposure, and customer outcomes to clear decisions for first line owners and compliance partners.
• Investigate how controls work in practice, using source data and system behavior to measure coverage, enforcement, exceptions, and outcomes, and identify where instrumentation or evidence is incomplete.
• Contribute scalable monitoring metrics and modules into our monitoring application, connecting metrics to risks and controls and helping teams identify emerging risks and prioritize the most consequential monitoring gaps.
• Turn high-value one-off analyses into reusable analytical modules and automated monitoring workflows that scale across controls and products.

Skills

SQL

Python

Statistics

Time series

A/B testing

Education

Bachelor's degree

Master's degree

PhD

Tools

Snowflake

BigQuery

Git

LLMs

Job description

Block is seeking a Senior Data Scientist to build and scale control performance monitoring for a portfolio of risks and products. You will partner with risk, compliance, product, and engineering to embed measurement into governance, from pre-launch guardrails to post-launch monitoring, owning metrics and monitoring modules across multiple workstreams.

This role requires analytical rigor, hands-on development, and product judgment.