Data Scientist I

The Johns Hopkins University
Baltimore, Maryland, United StatesFull-time$102,295–$179,375Posted Aug 26, 2026

About the role

We are seeking a Data Scientist I who will support the management of complex databases as well as develop, maintain, and document code. The Data Scientist will collect and extract data using a variety of data extraction tools and carry out data management, visualization, and analysis tasks.

Specific Duties & Responsibilities

Support the development of dashboards, calculations, and reports which may require programming.

Support the development and tuning of machine learning models, which may require programming.

Support the development of infrastructure for cleaning and processing data and running experiments to evaluate system performance.

Mine various data resources for development of key metrics, performance indicators, and general business intelligence useful for planning and service design.

Perform error analysis and suggest and implement improvements.

Other duties as assigned.

In addition to the duties described above

Wrangle and analyze Electronic Health Record data other real world data including health insurance claims.

Use SQL, R and/or Python for statistical analysis.

Apply best practices for real-world evidence principles, including bias, confounding, and study design considerations.

Minimum Qualifications

Bachelor’s Degree.

Four years of relevant quantitative research and analytics experience, with at least two of those years including complex programming experience.

Additional education may substitute for required experience and additional related experience may substitute for required education beyond a high school diploma/graduation equivalent, to the extent permitted by the JHU equivalency formula.

Preferred Qualifications

Strong proficiency in coding and data wrangling with SQL, R and/or Python for statistical analysis.

Experience with econometrics techniques.

Experience with electronic health records and cost related data such as claims.

Real world evidence techniques including target trial emulation.

Technical Skills & Expected Level Of Proficiency

Continuous Improvement - Developing

Data Architecture - Developing

Data Management and Analysis - Developing

Data Tools and Platforms - Developing

Data Validation and Quality Assurance - Developing

Data Visualization - Developing

Machine Learning - Developing

Oral and written communications - Developing

Programming Languages - Developing

The core technical skills listed are most essential; additional technical skills may be required based on specific division or department needs.

Classified Title: Data Scientist I

Role/Level/Range: ATP/04/PG

Starting Salary Range: $102,295 - $179,375 Annually (Commensurate w/exp.)

Employee group: Full Time

Schedule: Monday to Friday: 9:00am – 5:00pm

FLSA Status: Exempt

Location: Hybrid/School of Public Health

Department name: Health Economics

Personnel area: School of Public Health

Responsibilities

  • Support the development of dashboards, calculations, and reports which may require programming.
  • Support the development and tuning of machine learning models.
  • Support the development of infrastructure for cleaning and processing data.
  • Mine various data resources for development of key metrics and performance indicators.
  • Perform error analysis and suggest and implement improvements.

Qualifications

  • Bachelor’s Degree.
  • Four years of relevant quantitative research and analytics experience.
  • Strong proficiency in coding and data wrangling with SQL, R and/or Python.

Skills mentioned

PythonRSQLData AnalysisStatistical AnalysisMachine LearningData VisualizationBusiness IntelligenceETLDatabase Design