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Ollion

11 months ago

Data Engineer III/IV

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Company information

Company
Ollion
Location
Singapore Singapore
Posted
11 months ago
View all jobs at Ollion

Job description

Job Description

The Data Engineer will be responsible for requirements understanding, solution designing, and building modern data platforms to support data-driven decision-making. The Data Engineer will execute technical implementation of data engineering and visualization projects, and will be a hands-on role. The Data Engineer will help in creating technical collateral and staying on top of technology trends with ongoing training and certifications.

​AWS Data Engineering:

  • Develop and maintain scalable ETL/ELT pipelines using AWS Glue, Lambda, Step Functions, and Athena.
  • Work with Amazon S3, Redshift, and Lake Formation to implement data lakes and warehouses.
  • Monitor and optimize pipeline performance and cost efficiency.

Data Warehousing & Modeling:

  • Build and support star/snowflake schemas, fact and dimension tables in Redshift or SQL Server.
  • Ensure data integrity, lineage, and consistency across various source systems.

Data Quality & Validation:

  • Implement automated data quality checks using custom logic or tools such as Deequ or Great Expectations.
  • Perform root cause analysis and resolve data-related issues during development and testing phases.

Collaboration & Support:

  • Work with data analysts, business users, and architects to translate requirements into technical specs.
  • Support UAT, deployment, and production issue resolution for ETL pipelines and reports.
  • P erform root cause analysis and resolve data-related issues during development and testing phases.

Required skills

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