Junior Data Scientist

Arthur J Gallagher & Co. Chicago , IL 60602

Posted 6 months ago

Gallagher is a global leader in insurance, risk management and consulting services. We help businesses grow, communities thrive and people prosper. We live a culture defined by The Gallagher Way, our set of shared values and guiding tenets. A culture driven by our people, over 30,000 strong, serving our clients with customized solutions that will protect them and fuel their futures.

Position Summary:

The Junior Data Scientist will work with others in our new Innovation Center to solve business challenges related to sales and brokerage operations. You will leverage company and external data to develop predictive models and other insights that provide your team with suggestions for revenue and process optimization.


  • Collaborate with other data scientists to develop predictive models, leveraging internal and external data to optimize sales performance, customer experience, and marketing spend. Build models in a cloud environment, and work with the team to ensure any business-accepted models can be moved into production.

  • Understand and translate business problems into data requirements for the team.

  • Coordinate with business analysts and data engineers to gather data for analysis. Participate in testing of data quality and completeness for modeling attributes.

  • Produce written reports and recommendations for internal consumption, including problem statement, methods, interpretation of findings, and business implications.

  • Provide ad-hoc support to internal clients for data mining and other analytics requests.

  • Technology is always changing. Continue improving machine learning and programming skills.


  • Degree in quantitative field, such as data science, statistics, mathematics, computer science, finance, or economics.

  • 3 years of experience using statistical modeling and/or machine learning techniques to build models that influence company decision-making.

  • Excellent problem solving skills as well as critical thinking and conceptual thinking abilities.

  • Knowledge of statistical modeling and/or machine learning techniques.

  • Ability to communicate testing procedures and results from predictive modeling.

  • Experience in a programming language such as R or Python and SQL databases.

  • Understand how to transfer large data sets into a pipeline and preprocess the data for predictive modeling.

  • Continuous learner and passion for data science which could include writing blog posts, attending conferences, contributing to open source, etc.


  • A background in insurance, insurance brokerage, or financial services.

  • Knowledge of software engineering best practices such as writing unit tests, using version control (e.g. Git), and writing technical documentation.

  • Experience working in an agile environment.

  • Experience building data pipelines for larger data sets and using cloud-based tools (i.e. AWS or Azure).

  • Pursing a Master's in a quantitative field, such as data science, statistics, mathematics, computer science, finance, or economics.

Work Traits:

  • Good communication skills to provide highly technical, analytical assessments to team leaders.

U.S. Eligibility Requirements:

  • Interested candidates must submit an application and resume/CV online to be considered.

  • Must be 18 years of age or older.

  • Must be willing to submit to a background investigation; any offer of employment is conditioned upon the successful completion of a background investigation.

  • Must have unrestricted work authorization to work in the United States. For U.S. employment opportunities, Gallagher hires U.S. citizens, permanent residents, asylees, refugees, and temporary residents. Temporary residence does not include those with non-immigrant work authorization (F, J, H or L visas), such as students in practical training status. Exceptions to these requirements will be determined based on shortage of qualified candidates with a particular skill. Gallagher will require proof of work authorization.

  • Must be willing to execute Gallagher's Employee Agreement or Confidentiality and Non-Disclosure Agreement, which require, among other things, post-employment obligations relating to non-solicitation, confidentiality and non-disclosure.

Gallagher offers competitive salaries and benefits, including: medical/dental/vision plans, life and accident insurance, 401(K), employee stock purchase plan, educational expense reimbursement, employee assistance program, flexible work hours (availability varies by office and job function) training programs, matching gift program, and more.

Gallagher believes that all persons are entitled to equal employment opportunity and does not discriminate against nor favor any applicant because of race, sex, color, disability, national origin, religion, creed, age, marital status, citizenship, veteran status, gender, gender identity / expression, actual or perceived sexual orientation, or any other protected characteristic. Equal employment opportunity will be extended in all aspects of the employer-employee relationship, including, but not limited to, recruitment, hiring, training, promotion, transfer, demotion, compensation, benefits, layoff, and termination. In addition, Gallagher will make reasonable accommodations to known physical or mental limitations of an otherwise qualified applicant with a disability, unless the accommodation would impose an undue hardship on the operation of our business.


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Junior Data Scientist

Arthur J Gallagher & Co.