COE - Data Scientist in QE

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 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.

This hybrid role combines the rigor of software testing with the creativity of data science to ensure the accuracy, reliability, and performance of our data-driven products. You’ll design automated testing frameworks, validate machine learning models, and collaborate with cross-functional teams to uphold the highest standards of data quality and model integrity.

🔍 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 Dev Ops (ADO) for test management
• Excellent communication and documentation skills.

Benefits

Why QualiTest?

• Be a part of a company who strives to support for diversity and inclusion in the workplace – we are one, we are many at Qualitest. Celebrate culture, share knowledge with engineers from around the globe, and inspire each other through our differences. We have more than 40% women and around 120 different nationalities.
• Local and global opportunities – we offer you internal rotation and international mobility opportunities to grow your career.
• Clear view of your career and progression with the company – Qualitest is growing massively (since 2021 – tripled our employees base – we now have more than 8,000 engineers) and giving you the opportunity to grow with us.
• Work hard and play harder with our flexible and casual culture. Take a break from work and join an employee event, or enjoy the amenities and games provided from one of our Employees Centers.Save your earnings and prepare for your future by enrolling in our 401k plan where Qualitest will match your contributions accelerating your savings plan.
• Take care of health with enrollment into one of our competitive healthcare benefits. Qualitest will match towards your HSA if you choose to participate.
• Never stop experimenting and learning with QCraft – our Learning & Development platform: 50,000+ courses, 300+ virtual labs, mentorship and leadership programs, professional tribes, sponsored certifications, and much more.
• Stay active and get rewarded with our Corporate Wellness Program. We pay your Gym membership and giving you opportunities to Earn additional vacation times for attendance the gym!
• Earn bonuses via our Client Referral and Employee Referral Program’s. Refer and earn – tap your network for net-worth.
• We recognize our employees work via our Qudos platform - You can earn bonuses and spot awards by celebrating your and your peers’ achievements.
• Planning a vacation? Looking for car insurance? Get access to Qualitest Employee Perks for discounts on anything from travel to electronics. With so many offerings the savings are endless!
• A Competitive pay, the salary range for the role is $150,000 - $160,000.
• Intrigued to find more about us?
• Visit our website at https://www.qualitestgroup.com/
• If you like what you have read, send us your resume and let’s start talking!