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The Senior Data Scientist will work closely with Product and Engineering to translate business needs into data and modeling solutions that contribute to a positive business impact. This position requires an experienced professional who provides technical leadership to their team and oversees the production of machine-learning systems.
Job Responsibility:
Own the design, development, and iteration of production machine-learning systems that drive operational and business outcomes
Lead modeling, feature engineering, and dataset development for predictive and decisioning use cases
Design and maintain evaluation frameworks that reflect real-world behavior and business impact
Build and evolve LLM- and NLP-based pipelines to transform unstructured data into reliable operational datasets
Define and monitor quality, coverage, and reliability of ML and LLM/NLP systems at scale
Perform deep analysis of model and system performance to identify bias, data gaps, and systematic failure modes
Partner closely with Product and Engineering to translate business needs into data and modeling solutions, and to support productionization and ongoing iteration
Contribute to and define monitoring for model performance, data quality, and downstream business impact
Act as a senior technical owner and reviewer for data science work across the team
Requirements:
Master’s degree or PhD in a quantitative field and 5+ years of industry experience building and owning production data science or machine learning systems
Experience developing predictive or decisioning models used in operational or real-time settings
Demonstrated experience working with complex, multi-source datasets, including feature development and data quality challenges
Experience building, deploying, and evaluating NLP or LLM-based systems in production
Strong proficiency in Python and SQL in production analytics or machine learning environments
Proven ability to partner with engineering teams to deploy, monitor, and iterate on models and data pipelines
Ability to independently scope and drive ambiguous data science problems from problem definition through production impact
Nice to have:
Experience with explainability, model diagnostics, and stakeholder-facing performance reporting is a plus
Transportation logistics industry experience is a plus
What we offer:
medical, dental, vision, life, and disability coverage
matching 401(k) program
Employee Resource Groups
office wide engagement activities, team events, happy hours
casual dress code
CTA and L train stops walking distance
bike storage
LifeStart gym in office building
free counseling sessions through Employee Assistance Program
Referral Program
company paid holidays, paid vacation time and wellness days