I'm a Data Engineer at GHD, working with SQL, PySpark, Databricks and cloud data platforms. I help engineers prepare for data engineering interviews at top product companies and MNCs: mock interviews, resume reviews, career roadmaps and interview prep material built around real production problems (slow Spark jobs, data skew, Delta MERGE, idempotent pipelines), not just textbook questions. Start with the free 5-question sample below.