Data Scientist

Stack Exchange

Data Scientist utilizing ML and NLP techniques to enhance user experience at Stack Overflow. Designing and deploying advanced data solutions in a collaborative environment.

Posted 5/18/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Design, build, and deploy machine learning solutions — including data pipelines, model training workflows, and LLM-powered experiences
Improve the performance, reliability, and accuracy of large language models in production environments
Define and track meaningful metrics that help us better understand user behavior and product impact
Partner cross-functionally with Product, Engineering, and business stakeholders to identify opportunities where data and AI can drive innovation
Build and maintain large-scale datasets that support advanced analytics and machine learning applications
Develop tools, models, and experimentation frameworks that help accelerate product development and decision-making
Serve as a technical thought leader, helping shape our approach to data science and AI across the company
Mentor and support other data scientists, contributing to a collaborative and growth-oriented team culture

Requirements

What you’ll need

Hands-on experience working with large-scale LLMs and modern ML systems in production
3+ years of experience building and optimizing machine learning or NLP models
Strong analytical skills, especially when working with large or unstructured datasets
Experience mentoring or leading other data scientists, with a genuine interest in helping teammates grow
A self-starter who thrives with autonomy and enjoys exploring creative solutions to complex problems
Excellent communication skills — able to translate technical insights into business impact
Strong problem-solving instincts and a passion for building products powered by data and AI

Benefits

Comp & perks

Competitive Base Salary
Generous paid vacation
Generous parental leave (16 weeks at 100% pay), family care leave, and unlimited sick days
Industry-leading health benefits that are applicable per country of residence for all our full-time employees
Company-paid Life Insurance
Home Internet stipend
Professional allocation for your growth and development
One-time allowance to assist with your home office setup
Company-paid access to Calm, Bravely, LinkedIn Learning, MyAcademy and Overdrive

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningdata pipelinesmodel training workflowslarge language modelsNLP modelsadvanced analyticsdata scienceexperimentation frameworksdata modelingdata analysis

Soft Skills

analytical skillsmentoringleadershipcommunication skillsproblem-solvingcreativitycollaborationautonomyteam cultureuser behavior analysis