Data Engineer at Unison Group | Singapore, Singapore | Rezi

Data Engineer at Unison Group

Data Engineer

Unison Group · Singapore, Singapore

2 weeks ago

Data Engineer

Unison Group · Singapore, Singapore

18 days ago
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About the Role

We are seeking skilled Junior & Senior Data Engineers with expertise in Python, PySpark, and SQL to design, develop, and optimize scalable ETL/data transformation pipelines. The ideal candidate will have hands-on experience with large datasets, building efficient data workflows, and supporting data integration and analytics initiatives.

Responsibilities

  • Design, develop, and maintain scalable ETL/data transformation pipelines using Python, PySpark, and SQL.
  • Extract, transform, and load data from multiple structured and unstructured data sources.
  • Develop and optimize PySpark jobs for processing large-scale datasets.
  • Write efficient and complex SQL queries, stored procedures, and performance-tuned transformations.
  • Perform data cleansing, validation, and quality checks to ensure data accuracy and consistency.
  • Optimize data pipelines for performance, scalability, and reliability.
  • Collaborate with Data Architects, Data Analysts, and Business teams to understand data requirements.
  • Troubleshoot production issues and provide timely resolutions.
  • Maintain technical documentation and follow coding standards and best practices.
  • Participate in code reviews and continuous improvement initiatives.

Requirements

  • 2–14 years of experience in Data Engineering or ETL development.
  • Strong hands-on experience in Python.
  • Strong expertise in PySpark for distributed data processing.
  • Advanced SQL skills, including query optimization and complex joins.
  • Experience in developing and maintaining ETL/data transformation pipelines.
  • Good understanding of data modeling and data warehousing concepts.
  • Experience handling large datasets and improving pipeline performance.
  • Familiarity with Git or other version control systems.
  • Strong analytical, debugging, and problem-solving skills.

Skills

  • Python
  • PySpark
  • SQL
  • Data Engineering
  • ETL development
  • Data modeling
  • Data warehousing
  • Git
  • AWS
  • Azure
  • GCP
  • Apache Spark
  • Databricks
  • Hadoop ecosystem
  • Apache Airflow
  • CI/CD pipelines
  • DevOps practices

Experience Level

  • Junior
  • Senior
  • 2-14 years