Upwork is looking to hire a Senior Data Scientist to design models that measure and predict customer behavior, lifetime value, and marketplace health to power decision-making and improve product experiences and business outcomes.
Requirements
- Strong background in statistical inference, observational causal inference and applied machine learning modeling, with demonstrated success applying them in real-world settings.
- Experience with data wrangling and modeling in Python or R (e.g., Pandas, Polars, Tidyverse).
- Proficiency in working with large-scale data on cloud platforms such as SageMaker, Kubeflow, Snowflake, or Databricks.
- Ability to translate data insights into compelling narratives and visualizations that influence decision-making.
- Knowledge of randomized experiment design and analysis.
- Experience with time series analysis techniques (e.g., ARIMA, Prophet, and related methods).
- Understanding of MLOps workflows and code production practices.
Responsibilities
- Tackle complex problems inherent to a global double-sided marketplace. Deliver insights that drive changes in product strategy.
- Partner closely with Product, Marketing, and Trust & Safety to surface actionable insights and shape high-impact initiatives.
- Own data workflows end-to-end by cleaning, transforming, engineering features, and designing schemas using Python, SQL, pandas, and Snowflake.
- Build and scale models and analyses using platforms such as AWS SageMaker, Hex, or Snowflake, ensuring repeatable and reliable workflows.
- Communicate findings clearly to both technical and non-technical audiences, influencing strategic decision-making across the company.
Other
- 4+ years of experience in data science or a related role.
- Degree in a quantitative field such as Math, Statistics, Economics, or Computer Science; Master’s or PhD preferred.
- Experience working with CI/CD pipelines and monitoring in production environments.
- Our culture is built on trust, risk-taking, customer focus, and excellence, all in service of our core mission: to create economic opportunities so people have better lives.
- We embrace authenticity and inclusion, encouraging everyone to bring their whole selves to work.
