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Senior Technical Lead

On-site Dubai, United Arab Emirates

Job Summary

A PySpark Developer is responsible for designing, developing, and maintaining large-scale, distributed data processing systems and pipelines. They leverage Apache Spark’s Python API (PySpark) to ingest, transform, and analyze massive volumes of structured and unstructured data. Core Responsibilities
  • Data Pipeline Development: Design and build scalable, efficient ETL/ELT pipelines to move and transform data from various sources into data lakes or warehouses.
  • Big Data Processing: Write optimized PySpark scripts (using DataFrames, Datasets, and Spark SQL) to process terabytes/petabytes of data.
  • Performance Tuning: Troubleshoot, debug, and optimize Spark jobs by managing partitions, caching, broadcast variables, and minimizing data shuffling.
  • Data Modeling: Assist in designing data architectures, schemas, and storage formats (e.g., Parquet, Delta Lake, ORC).
  • Integration: Connect Spark applications with cloud storage (AWS S3, Azure ADLS, Google Cloud Storage) and databases (NoSQL, relational).
  • CI/CD & Automation: Deploy data workflows using orchestration tools and maintain code quality through unit testing.
Technical Skills Required Category Skills & Technologies Core Languages Python (Advanced), SQL (Advanced) Big Data Frameworks Apache Spark / PySpark, Hadoop, Hive Cloud Platforms AWS (EMR, Glue), Azure (Databricks, Synapse), or GCP (Dataproc) Storage & Formats Delta Lake, Parquet, Avro, HDFS, Snowflake, Amazon S3 Orchestration Apache Airflow, Prefect, or Luigi  

Key Responsibilities

as above

Skill Requirements

as above

Other Requirements

Source: the employer's careers page. Last checked 2026-10-24. Posted 2026-10-22.

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