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Live In Data Tester Jobs in Chicago, IL (NOW HIRING)

AAR

Data Scientist

Wood Dale, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Data Scientist will define, build, and continuously improve the analytical and machine learning ... AB testing. * Proficiency in Python and SQL, with experience using common ML libraries such as ...

AAR Corporation

Data Scientist

Wood Dale, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Data Scientist will define, build, and continuously improve the analytical and machine learning ... AB testing. * Proficiency in Python and SQL, with experience using common ML libraries such as ...

Hopscotch Primary Care

Senior Data Engineer

Chicago, IL

$109K - $148K/yr

Today, almost 20% of Americans live in a rural community, yet only 11% of physicians practice in ... Always looking for ways to modernize our stack, testing out the limits of new technologies, and ...

IGT

Manager, Data Engineering

Chicago, IL · On-site

$117K - $141K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

With a team of over 6,000 employees across 30+ countries and products delivered in more than 100 ... testing, source control, and CI/CD. Lead the migration and integration of data from legacy ...

Progressive Gaming

Manager, Data Engineering

Chicago, IL · On-site

$117K - $141K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

With a team of over 6,000 employees across 30+ countries and products delivered in more than 100 ... testing, source control, and CI/CD. Lead the migration and integration of data from legacy ...

PayPal

Sr Data Scientist

Chicago, IL · On-site

  • Medical

  • PTO

We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness ... B testing sequences to optimize risk strategies. Design visually engaging data outputs in a clear ...

PayPal

Sr Data Scientist

Chicago, IL · On-site

$142 - $222/hr

  • Medical

  • PTO

We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness ... B testing sequences to optimize risk strategies. Design visually engaging data outputs in a clear ...

PayPal, Inc.

Sr Data Scientist

Chicago, IL · On-site

  • Medical

  • PTO

We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness ... B testing sequences to optimize risk strategies. Design visually engaging data outputs in a clear ...

Sogeti

Data Test lead

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Coordinate data testing activities across upstream and downstream systems * Lead defect ... Bachelor's or Master's degree in Computer Science, Software Engineering, Information Systems ...

Purple Drive

Data Architect

Chicago, IL

$65.75 - $84.50/hr

Strong hands-on, experience in AWS, Databricks, PySpark, ETL, and Delta Live Tables (DLT). Good understanding of modern data lakehouse architecture. Experience in data modeling, orchestration, and ...

JLL

Data Center - Talent Network

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

Experience with commissioning protocols, testing procedures, and quality assurance processes in hyperscale data centers * Operating engineer experience in data centers or mission-critical facilities

JLL

Data Center - Talent Network

Chicago, IL

  • Medical

  • Dental

  • Vision

  • Retirement

Experience with commissioning protocols, testing procedures, and quality assurance processes in hyperscale data centers * Operating engineer experience in data centers or mission-critical facilities

Saicon Consultants Inc.

Data Analyst

Rosemont, IL · On-site

Support testing of ETL pipelines and API/file-based integrations. * Issue Analysis & Production ... Participate in agile ceremonies and work with business users, technology teams, and vendor partners.

GlobalLogic

Java Developer / Tester

Deerfield, IL

$51.75 - $67/hr

Experience in data mapping and data conversion or BI/DSS testing * Strong understanding of distributed systems. * In-depth knowledge of SDLC and STLC in the Agile delivery model * Strong experience ...

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How much do live in data tester jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for live in data tester in Chicago, IL is $48.98, according to ZipRecruiter salary data. Most workers in this role earn between $38.65 and $57.69 per hour, depending on experience, location, and employer.

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Data Scientist

AAR

Wood Dale, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

AAR Corp rating

7.8

Company rating: 7.8 out of 10

Based on 44 frontline employees who took The Breakroom Quiz

23rd of 66 rated aviation services

Job description

Description
The AAR Parts Supply Distribution Analytics Team are developing an AI-driven aviation market intelligence tool designed to transform how aviation parts distribution businesses understand market share, identify growth opportunities, and make strategic decisions. This platform combines advanced analytics, machine learning, agentic AI, and intuitive user experience to provide real-time insights into customers, parts, and markets.
The Data Scientist will define, build, and continuously improve the analytical and machine learning models that power the platforms core decision-making capabilities. This role translates complex business problems into scalable, production-ready models that drive market sizing, forecasting, and opportunity identification. The Data Scientist partners closely with product, engineering, and data teams to ensure models are accurate, explainable, and embedded into real-world workflows. Success in this role requires strong technical depth, business intuition, and the ability to operate in ambiguous, data-rich environments.
This position is based at our Corporate Headquarters in Wood Dale, IL, with a planned relocation to the Merchandise Mart (Chicago) in early 2027.
What you will be responsible for:
  • Design, develop, and own scalable analytical and machine learning models for market sizing, forecasting, opportunity identification, and optimization use cases.
  • Translate ambiguous business problems into structured modeling approaches, including feature engineering, model selection, and evaluation frameworks.
  • Design and analyze experiments, statistical tests, and validation methods to measure model quality and business impact.
  • Deploy and integrate models into production systems in collaboration with data engineering and backend teams, ensuring reliability, scalability, and performance.
  • Work with large, complex, and imperfect datasets; define data requirements and support robust preprocessing and feature pipelines.
  • Ensure model outputs are explainable, interpretable, and aligned with business logic to support user trust and adoption.
  • Monitor, validate, and improve model performance through testing, retraining, versioning, and feedback loops.
  • Partners with product teams to define analytical features, influence roadmap decisions, and embed model-driven insights into decision-making workflows.

Qualifications
What you need to be successful in this role:
  • Strong foundation in statistics, machine learning, and predictive modeling, including regression, classification, clustering, time series, and experiment design e.g., AB testing.
  • Proficiency in Python and SQL, with experience using common ML libraries such as scikit-learn, pandas, and numpy.
  • Experience building end-to-end ML workflows, including data preprocessing, feature engineering, model training, evaluation, deployment, and monitoring.
  • Familiarity with production ML practices, including model versioning, performance optimization, retraining, and monitoring for drift or degradation.
  • Experience working with large-scale or complex datasets, including handling missing data, inconsistencies, and real-world data limitations.
  • Ability to communicate model logic, assumptions, and outputs clearly to non-technical stakeholders and cross-functional partners.
  • Experience collaborating with product managers, data engineers, and software engineers to deliver analytical features in production environments.
  • Strong problem-solving skills and the ability to operate effectively in ambiguous environments with evolving requirements.
  • Bachelors in data science, Statistics, Mathematics, Engineering, Computer Science, or a related quantitative field.
  • Master's degree preferred
  • 3 to 5 plus years of experience in data science, machine learning, or advanced analytics roles in a product or business-driven environment.
  • Demonstrated experience developing, deploying, and improving predictive models that drive business decision-making.
  • Experience working on analytics or ML-driven products such as forecasting, optimization, recommendation systems, or market intelligence tools.
  • Experience in designing experiments or statistical validation approaches to evaluate model performance and business outcomes is preferred.
  • Experience with cloud platforms or distributed data processing such as AWS, Azure, or Spark is preferred but not required.
  • Experience in aviation, supply chain, or related industries is a plus but not required.

The rewards of your career at AAR go far beyond just your salary:
  • Competitive salary and bonus package
  • Comprehensive benefits package including medical, dental, and vision coverage.
  • 401(k) retirement plan with company match
  • Generous paid time off program
  • Professional development and career advancement opportunities

Physical Demands/Work Environment:
The physical demands and work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
• Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
• While performing the duties of this job, the employee may be regularly required to sit, stand, bend, reach and move about the facility.
• The environmental characteristic for this position is an office setting.
• Candidates should be able to adapt to a traditional business environment.
AAR provides accommodation in accordance with applicable laws through all stages of the hiring process. If you require accommodation for any part of the application and/or hiring process, please advise Human Resources.
Compensation:
The anticipated salary range for this position is $115,000 to $130,000 annually. This range reflects the base salary for candidates who meet the requirements of the role, including experience, education, and location. In addition to base pay, this role is eligible for a bonus. AAR offers a competitive benefits package, including medical/dental/vision/life/and AD&D insurance, 401(k) savings plan with employer match, paid time off and holiday pay, as well as opportunities for professional development and growth.
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