QA Architect - R01571456

Lever, Inc.; Bengaluru; On-site; INR 3,500,000 - 6,000,000; Full time

Job summary

Lever, Inc. in Bengaluru is seeking a QA Architect to lead automated testing for AI and data science initiatives. You will design and implement testing strategies across models and pipelines, collaborating with data scientists and engineers to validate model performance and reliability.

The role demands 7+ years in QA, strong Python/PySpark skills, and hands-on experience with ML frameworks and data-validation tools such as Great Expectations and Evidently AI. Attractive growth opportunities.

Qualifications

• 7+ years of quality assurance experience
• Hands-on work with data science and ML testing frameworks
• Experience in automated testing strategies for AI outputs
• Experience developing evaluation/validation frameworks for backend/frontend
• Ability to define test cases, hypotheses, and metrics for model assessment
• Experience integrating statistical tests into automated QA workflows
• Familiarity with ML testing tools and cloud-native architectures

Responsibilities

• Design and implement automated testing strategies for AI and data science outputs, ensuring accuracy and reliability across models and pipelines
• Develop and maintain robust evaluation and validation frameworks for backend and frontend components, leveraging statistical and machine learning techniques
• Collaborate with data scientists and engineers to define test cases, hypotheses, and statistical metrics for model assessment and improvement
• Integrate advanced statistical tests such as T-Test, Z-Test, and regression analyses into automated QA workflows to validate model performance
• Utilize tools like Great Expectations, Evidently AI, and specific machine learning frameworks to monitor, track, and report on model drift, anomalies, and forecast accuracy
• Optimize testing processes for scalability and efficiency using Python, PySpark, R, and related technologies in large-scale data environments
• Configure and manage testing infrastructure using platforms such as KubeFlow and BentoML to streamline deployment and evaluation cycles
• Troubleshoot and resolve issues in automated testing pipelines, driving continuous improvement and high-quality deliverables

Skills

Python

PySpark

Hypothesis Testing

T-Test

Z-Test

Regression (Linear, Logistic)

Machine Learning frameworks

Statistics

R

Education

Bachelor's degree in Computer Science, Data Science, Statistics, Mathematics

ISTQB Advanced Test Analyst

TensorFlow Developer Certificate

SAS Certified Specialist

SPSS Certification

Tools

Great Expectations

Evidently AI

TensorFlow

PyTorch

Scikit-Learn

CNTK

Keras

MXNet

KubeFlow

BentoML

R Studio

SAS

SPSS

Job description

QA Architect

Job requirements

Experience Range

With at least 7 years of quality assurance experience, including substantial hands‑on work with data science and machine learning testing frameworks

Key Responsibilities

• Design and implement automated testing strategies for AI and data science outputs, ensuring accuracy and reliability across models and pipelines
• Develop and maintain robust evaluation and validation frameworks for backend and frontend components, leveraging statistical and machine learning techniques
• Collaborate with data scientists and engineers to define test cases, hypotheses, and statistical metrics for model assessment and improvement
• Integrate advanced statistical tests such as T-Test, Z-Test, and regression analyses into automated QA workflows to validate model performance
• Utilize tools like Great Expectations, Evidently AI, and specific machine learning frameworks (TensorFlow, PyTorch, Sci-Kit Learn, CNTK, Keras, MXNet) to monitor, track, and report on model drift, anomalies, and forecast accuracy
• Optimize testing processes for scalability and efficiency using Python, PySpark, R, and related technologies in large‑scale data environments
• Configure and manage testing infrastructure using platforms such as KubeFlow and BentoML to streamline deployment and evaluation cycles
• Troubleshoot and resolve issues in automated testing pipelines, driving continuous improvement and high‑quality deliverables

Required Skills

• Advanced proficiency in Python and PySpark for test automation and statistical analysis
• Expertise in statistical testing methods including Hypothesis Testing, T-Test, Z-Test, and Regression (Linear, Logistic)
• Strong experience with machine learning frameworks such as TensorFlow, PyTorch, Sci-Kit Learn, CNTK, Keras, and MXNet
• Hands‑on knowledge of Great Expectations and Evidently AI for data validation and monitoring
• Proficiency in SAS and SPSS for statistical computing and analysis
• Deep understanding of probabilistic graph models and classification algorithms including Decision Trees and SVM
• Experience with forecasting techniques including Exponential Smoothing, ARIMA, and ARIMAX
• Familiarity with distance metrics such as Hamming, Euclidean, and Manhattan Distance
• Advanced skills in R and R Studio for statistical modeling and QA scripting
• Experience configuring testing platforms such as KubeFlow and BentoML

Preferred Skills

• Experience automating evaluation pipelines for AI/ML in production environments
• Expertise in integrating QA processes with CI/CD workflows and cloud-native architectures
• Knowledge of emerging ML testing tools and frameworks beyond industry standards
• Ability to develop custom statistical metrics for model evaluation
• Experience with QA automation for distributed systems at scale

Desired Qualifications

• Bachelor's degree in Computer Science, Data Science, Statistics, Mathematics, or a quantitative discipline
• Certification in Quality Assurance, Data Science, or Machine Learning (e.g., ISTQB Advanced Test Analyst, TensorFlow Developer Certificate)
• Certification in statistical analysis tools or platforms (e.g., SAS Certified Specialist, SPSS Certification)