COE - Data Scientist in QE

About

Are you interested in working with the World’s leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest!

We are looking for a Data Scientist in Test to join our growing team in the United States.

Location: US Remote (w/travel)

Top 3 Must Haves

• Proficiency in Python, SQL, and testing frameworks (e.g., PyTest, unittest).
• Experience with machine learning libraries (e.g., scikit-learn, TensorFlow, XGBoost).
• Strong understanding of statistical testing, model validation, and data integrity principles.

Key Responsibilities

• Develop and maintain automated testing frameworks for data pipelines and machine learning models.
• Design and execute test cases to validate statistical models, algorithms, and data transformations.
• Monitor data quality, detect anomalies, and ensure consistency across datasets.
• Collaborate with data scientists, engineers, and QA teams to define test strategies and acceptance criteria.
• Perform exploratory data analysis to uncover hidden issues in data or model behavior.
• Leverage real‑world data and build synthetic datasets to simulate edge cases, stress‑test models, ensure unbiased predictions, and verify data security.
• Coordinate with end users to run human‑in‑the‑loop and A/B tests.
• Document test results, bugs, and performance metrics to support continuous improvement.

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, or a related field.
• 3+ years of experience in data science and AI/ML testing.
• Proficiency in Python, SQL, and testing frameworks (e.g., PyTest, unittest).
• Experience with machine learning libraries (e.g., scikit-learn, TensorFlow, XGBoost).
• Strong understanding of statistical testing, model validation, and data integrity principles.
• Familiarity with CI/CD pipelines and version control (e.g., Git, Jenkins).

Preferred Skills

• Experience using Oracle AI Data Platform / Oracle Cloud Infrastructure (OCI) including Medallion architecture.
• Strong mastery of SQL.
• Knowledge of MLOps and model monitoring tools.
• Familiarity with Azure DevOps (ADO) for test management.
• Excellent communication and documentation skills.

Benefits

Why QualiTest?

• Diversity & Inclusion: Over 40% women and around 120 nationalities; a culture that celebrates differences.
• Global Opportunities: Internal rotation and international mobility to grow your career.
• Career Progression: Rapid company growth (tripled employee base since 2021, now >8,000 engineers).
• Flexible Culture: Casual environment with employee events, amenities, and games at Employee Centers.
• 401(k) Matching: Accelerate your savings with company match.
• Healthcare Benefits: Competitive plans with HSA matching if you participate.
• Learning & Development: QCraft platform – 50,000+ courses, 300+ virtual labs, mentorship, leadership programs, professional tribes, sponsored certifications, and more.
• Corporate Wellness: Gym membership paid; earn additional vacation time for gym attendance.
• Referral Bonuses: Client Referral and Employee Referral programs.
• Recognition: Qudos platform for bonuses and spot awards.
• Employee Perks: Discounts on travel, electronics, car insurance, and more.
• Competitive Pay: Salary range $150,000 – $160,000.

Additional Information

• Visit our website: https://www.qualitestgroup.com/
• If you like what you have read, send us your resume and let’s start talking!