Data Engineer

Seeking a Data Engineer to lead a small team and modernize a simple data platform into a cloud-based self-service analytics project.

Sigma Software provides top-quality software development, graphic design, testing, and support services. Systems developed to deliver customer benefits in automotive, telecommunications, aviation, advertising, gaming, banking, real estate, and healthcare industries

It is an Internal Sigma Software project that combines 2 goals: automating reporting and exposing a self-service data analytics system for the company. You will be responsible for designing and modeling data into DWH and Data Marts using Spark and MS SQL, exposing this data to, and collaborating with, BI engineers making reports in Apache Superset as well as other roles consuming such data, moving on-premises solutions to the cloud

The goal is to create an efficient system for collecting, processing, analyzing, and visualizing large amounts of data from various sources

• Lay down the foundation and model the data
• Develop a platform for building and maintaining data pipelines that collect data from different sources
• Create Data Warehouse
• Analyze and prepare domain descriptions in collaboration with Business analytics
• Create Data Marts
• Design a permission model with flexible control over vertical and horizontal access to data

• Conceptual knowledge of data analytics fundamentals, e.g., dimensional modeling, ETL/ELT, reporting tools, data governance, data warehousing, structured and unstructured data
• Strong SQL knowledge and experience with RDBMS, confident knowledge of database fundamentals
• Experience in database development and data modeling, ideally with Databricks/Spark
• Experience with Python
• Experience with Azure
• Working knowledge of serialization formats and their trade-offs (columnar vs. row-based)
• Experience debugging and optimizing Spark jobs
• Strong written and verbal communication skills
• At least an Upper-Intermediate level of English
• BS in Computer Science or a related field

WOULD BE A PLUS

• Experience with a Business Intelligence tool