The original creators of Apache Spark met up to create a new software company named Databricks in 2013. This company is also famous for many open-source projects like MLflow, Koalas, Delta Lake, etc. Databricks offer you several certifications like:
Databricks Certified Associate Developer for Apache Spark 3.0
Databricks Certified Associate Developer for Apache Spark 2.4
Databricks Certified Professional Data Scientist
Databricks Certified Associate ML Practitioner for Apache Spark 2.4
Azure Databricks Certified Associate Platform Administrator
Databricks Certified Professional Data Engineer (expected to release by mid-2021)
If you are in the Big Data domain and wish to get Databricks certified, you can check out this Databricks Spark Certification course from Intellipaat. You can also watch a video on Apache Spark Tutorial to get started.