Senior PySpark Data Engineer

Job description

Roles & Responsibilities Job Title

Data Engineer Job Description: We are seeking a highly skilled and motivated Data Engineer to play a pivotal role in designing, building, and optimizing our next-generation scalable data pipelines. This position requires expertise in processing massive datasets using cutting-edge technologies like Apache Spark, PySpark, and Hive within a dynamic cloud environment. Your primary objective will be to ensure the utmost data reliability, speed, and efficiency, providing a robust foundation for downstream business intelligence and advanced analytics initiatives.

Data Pipeline Development & Maintenance

• Design, build, and maintain highly scalable and efficient ETL/ELT data pipelines utilizing PySpark and Spark SQL for complex data transformations.

Cloud Data Infrastructure Management

• Deploy, manage, and scale critical data infrastructure components on leading cloud platforms such as Amazon Web Services (AWS) (e.g., EMR, Glue), Microsoft Azure (e.g., Databricks, Synapse), or Google Cloud Platform (GCP).

Data Warehousing & Storage Optimization

• Strategically manage data layout, partitioning, and indexing within Apache Hive and various cloud data lake solutions to optimize performance and accessibility.

Performance Tuning & Optimization

• Proactively identify and resolve performance bottlenecks in Spark jobs, leveraging Spark UI for in-depth analysis, effectively managing data skewness, and optimizing memory utilization.

Diverse Data Integration

• Develop robust solutions for ingesting high-volume and diverse datasets from both structured relational databases and unstructured flat files into our data ecosystem.

Automated Workflow Orchestration

• Implement and manage automated data workflows using industry-standard scheduling tools like Apache Airflow or platform-native schedulers, ensuring timely and reliable data delivery.

Strategic Collaboration

• Partner closely with data scientists, business analysts, and cross-functional enterprise teams to translate complex business requirements into technically sound and efficient data solutions.

Big Data Frameworks Expertise

• Demonstrated high proficiency in Apache Spark architecture, including a deep understanding of drivers, executors, and Directed Acyclic Graphs (DAGs).

Advanced Programming

• Exceptional coding skills in Python and extensive experience with the PySpark API for developing intricate data transformations and processing logic.

Querying & Schema Management

• Strong command of HiveQL and ANSI SQL, coupled with expertise in data partitioning techniques and effective schema definition.

Optimized Storage Formats

• In-depth understanding and practical experience with optimized big data storage file formats such as Parquet, ORC, and Avro.

Cloud Ecosystem Development

• Hands-on development experience utilizing cloud-native big data utilities (e.g., AWS EMR, Azure Databricks) with in major cloud platforms.

Data Warehousing Fundamentals

• Solid foundation in Dimensional Data Modeling, including Star and Snowflake schemas, and practical experience with Data Lakes concepts and implementation.

CI/CD & DevOps Automation

• Experience with Continuous Integration/Continuous Deployment (CI/CD) practices and automation tools like Git, Jenkins, or Ansible.

NoSQL Database Integration

• Exposure to and experience with NoSQL databases such as HBase, Cassandra, or MongoDB.

Professional Cloud Certifications

• Relevant professional cloud certifications (e.g., AWS Certified Data Engineer, Microsoft Certified: Azure Data Engineer Associate) are highly valued Salary Range: $125,000 to $140,000 per year </div

Qualifications

BACHELOR OF COMPUTER SCIENCE