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Hadoop Developer

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Hadoop Developer


The Hadoop Developer exam evaluates individuals' proficiency in developing, implementing, and optimizing Apache Hadoop-based applications and data processing workflows. Hadoop developers are responsible for designing and coding MapReduce jobs, Hive queries, Pig scripts, and Spark applications to process and analyze large volumes of structured and unstructured data stored in Hadoop clusters. This exam assesses candidates' knowledge of Hadoop ecosystem components, programming languages, and development frameworks used in big data analytics.


Who should take the exam?

  • Hadoop Developers: Software engineers, developers, and programmers responsible for designing, coding, and testing Hadoop-based applications and data processing pipelines.
  • Big Data Engineers: Data engineers, architects, and developers working with big data platforms and analytics solutions built on Apache Hadoop.
  • Data Scientists and Analysts: Data scientists, analysts, and researchers seeking to leverage Hadoop ecosystem tools and technologies for data processing, analysis, and machine learning.
  • Database Administrators: Database administrators interested in expanding their skills to include Hadoop development for managing and analyzing large-scale datasets.
  • IT Professionals: IT professionals looking to transition into big data and Hadoop development roles and gain expertise in building scalable and distributed data processing solutions.


Course Outline

The Hadoop Developer exam covers the following topics :-


  • Module 1: Introduction to Apache Hadoop
  • Module 2: Understanding Hadoop Development Environment Setup
  • Module 3: Understanding MapReduce Programming
  • Module 4: Understanding Apache Hive Development
  • Module 5: Understanding Apache Pig Development
  • Module 6: Understanding Apache Spark Programming
  • Module 7: Understanding Hadoop File Formats and Serialization
  • Module 8: Understanding Performance Optimization Techniques
  • Module 9: Understanding Hadoop Application Testing and Debugging
  • Module 10: Understanding Best Practices and Case Studies

Hadoop Developer FAQs

Java is essential for MapReduce development, but knowledge of Python is useful for tools like Pig and Hive.

This exam is focused specifically on Hadoop development, not system administration.

Basic familiarity is helpful, but the exam content starts from foundational concepts.

MapReduce is a programming model used to process large data sets in parallel across a Hadoop cluster.

Both are used for querying data, but Hive uses SQL-like syntax, while Pig uses a scripting language better suited for procedural data flows.

Sqoop is used to import/export data between Hadoop and traditional relational databases.

Yes, especially for streaming and log data ingestion.

Oozie is a workflow scheduler that automates and manages Hadoop jobs in production.

The exam evaluates practical knowledge through scenario-based and concept-driven questions.

Yes, it demonstrates essential development skills sought in data engineering and analytics roles.