Growth Data Scientist: Experimentation & Personalization

Replit; Foster City (CA); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive Salary & Equity

401(k) Program with a 4% match (US)

Health, Dental, Vision and Life Ins.

Short/Long Term Disability

Paid Parental, Medical, CaregiverLeave

Flexible Time Off (FTO) + Holidays

Commuter Benefits (In-Office & US Only

Monthly Wellness Stipend

Autonomous Work Environment

In Office Set-Up Reimbursement

Quarterly Team Gatherings

In Office Amenities

Job summary

Replit is seeking a founding data scientist for its Growth team in Foster City, CA. You will own data science for major growth areas, partnering with PMs and engineers from problem framing through launch and readout.

You will design experiments and metrics with rapid decision cycles to bridge short readouts and long-term retention impact. You’ll help establish experimentation standards across high-traffic surfaces, using quasi-experimental designs when randomization isn’t feasible and shaping

Qualifications

• 6+ years in data science, with growth/experimentation focus.
• Startup-style metrics, datasets, and experimentation practices.
• Expert in experimental design and statistical inference.
• Experience establishing experimentation standards or platforms.

Responsibilities

• Own data science for major growth areas from framing to launch and readout.
• Design fast, trustworthy experiments and metrics (e.g., CUPED, sequential testing).
• Set experimentation standards for high-traffic surfaces; define checks and guardrails.
• Apply quasi-experimental designs when randomization isn’t feasible (DID, synthetic control).
• Shape data science for personalization and recommendations; measure incremental lift.
• Model the economics of freemium and usage-based products (credit consumption, pricing).
• Develop user and project segmentation from behavioral signals (embeddings, clustering).
• Collaborate with Data Engineering on shared metrics layer and tooling.

Skills

SQL

Python

Experiment design

Statistical inference

AI tools

Growth analytics

Executive influence

Tools

dbt

Job description

Replit is seeking a founding data scientist for its Growth team in Foster City, CA. You will own data science for major growth areas, partnering with PMs and engineers from problem framing through launch and readout.

You will design experiments and metrics with rapid decision cycles to bridge short readouts and long-term retention impact. You’ll help establish experimentation standards across high-traffic surfaces, using quasi-experimental designs when randomization isn’t feasible and shaping