Senior Data Scientist, Product Analytics

Justworks; New York (NY); Hybrid; USD 166,000 - 214,000; Full time

Job summary

Justworks in New York City is seeking a Senior Data Scientist to join the Product Analytics team. You will partner across Product, Engineering, Design, Finance, Marketing, and Revenue to define success metrics, run experiments, and build a data-informed approach to growing the product.

You will lead end-to-end analytics projects, design and analyze experiments, and translate findings into narratives that guide roadmaps and business decisions.

Qualifications

• 7+ years of experience as a data scientist or analyst, with a track record of driving business impact through statistical analysis, experimentation, and predictive modeling
• Strong expertise in experimental design, causal inference, and statistical methods - you know how to draw defensible conclusions from imperfect data
• Excellent communication and data storytelling skills - you can translate complex findings into clear narratives that influence strategy and decisions at all levels of the organization
• Strong business acumen and the ability to connect analysis to product strategy, roadmap tradeoffs, and business outcomes
• Fluent in SQL
• Proficient in Python for reproducible analysis, statistical modeling, experimentation, and automation
• Familiarity with a cloud-based data stack (e.g. Snowflake, dbt)
• Demonstrated curiosity about AI tools and emerging technologies, with a track record of applying them to accelerate analysis, improve rigor, or expand the reach of data science work
• Prior experience in a high-growth startup or SaaS company is preferred

Responsibilities

• Lead end-to-end analytics projects, from defining metrics to analyzing data and delivering insights
• Partner with product leaders to define and measure goal metrics
• Design and analyze A/B tests, quasi-experiments, and causal analyses to measure the impact of product changes and help teams understand not if something worked, but why
• Accelerate product learning cycles through frameworks for experimentation, measurement, and iteration so teams can move faster without sacrificing rigor
• Analyze strategic opportunities to inform roadmap prioritization
• Build compelling narratives from complex data, presenting findings in ways that influence decisions with both technical and non-technical audiences, from product pods to senior leadership
• Identify friction and opportunity across the customer lifecycle, from onboarding flows to feature adoption to retention signals, and translate what you find into actionable strategies
• Develop and apply AI-assisted approaches to analysis, insight delivery, and data workflows to multiply your impact and expand the reach of data science across the organization
• Partner with data engineering and analytics engineering to improve data foundations, instrument key events, and ensure the right data exists to answer the questions product teams are asking
• Perform other related responsibilities as needed based on department and/or organizational needs.

Skills

SQL

Python

AI tools

Experiment design

Data storytelling

Cloud data stack

Tools

Snowflake

dbt

Job description

Justworks in New York City is seeking a Senior Data Scientist to join the Product Analytics team. You will partner across Product, Engineering, Design, Finance, Marketing, and Revenue to define success metrics, run experiments, and build a data-informed approach to growing the product.

You will lead end-to-end analytics projects, design and analyze experiments, and translate findings into narratives that guide roadmaps and business decisions.