Data Quality Engineering
Free Intermediate course · 10 lessons · 3 weeks · Certificate on completion
Catch broken, late and wrong data before it reaches dashboards and models. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- The cost of bad data
- Dimensions of data quality
- Writing data tests
- Great Expectations in practice
- Soda checks
- Freshness and volume monitoring
Skills you'll pick up
- The cost of bad data
- Dimensions of data quality
- Writing data tests
- Great Expectations in practice
- Soda checks
- Freshness and volume monitorin
Tools covered
- Data Quality
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: The cost of bad data
Module 1 of Data Quality Engineering. 3 lessons · 3h
Module 2: Great Expectations in practice
Module 2 of Data Quality Engineering. 3 lessons · 3h
Module 3: Anomaly-based checks
Module 3 of Data Quality Engineering. 2 lessons · 2h
Module 4: Incident response for data
Module 4 of Data Quality Engineering. 2 lessons · 2h
Lessons in this course
- The cost of bad data
- Dimensions of data quality
- Writing data tests
- Great Expectations in practice
- Soda checks
- Freshness and volume monitoring
- Anomaly-based checks
- Quarantine patterns
- Incident response for data
- Data SLAs
Instructor
Rahul Menon — Principal Data Engineer
Rahul Menon is a Principal Data Engineer with years of hands-on experience teaching Data Quality to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for Data Quality Engineering. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $125,000 per year · median India salary ₹17,50,000 per year · 63,170 open roles worldwide
- Data Quality Specialist
- Senior Data Quality Lead
- Data Quality Consultant
Frequently asked questions
Is the Data Quality Engineering course free?
Yes. Every Learnera course, including Data Quality Engineering, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does Data Quality Engineering take?
10 lessons, typically completed in 3 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.