Data QA Engineer

Ex Parte, Inc

$90K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in QA focused on data.
  • Familiar with Scrum/Agile methodologies and SDLC processes.
  • Proficient in Python and SQL, with ability to read and write code.
  • Experience with various QA tests such as functional, regression, and performance testing.
  • Strong ability to work independently and maintain relationships across teams.

Responsibilities

  • Own and ensure end-to-end data quality processes.
  • Contribute to the design of event models and frameworks.
  • Automate testing for data ingestion pipelines.
  • Write and optimize complex SQL queries for large datasets.
  • Design test cases and scripts to identify data gaps and validate integrity.
  • Collaborate with analytics teams for data quality improvements.
  • Review and enhance current tools for better data integrity.

Benefits

  • Flexible working environment with opportunities for remote work.
  • Access to training and development resources.
  • Collaborative teamwork culture with cross-functional exposure.
  • Opportunities to influence tool and process enhancements.
Full Job Description
Job Description

Responsibilities
  • Take ownership of end to end data quality
    • Understand and Contribute to the event model design
    • Build and automate testing frameworks around data ingestion pipelines.
    • Write complex SQL queries on tables with hundreds of millions of records and ensure data integrity is maintained throughout the ETL lifecycle.
    • Design test cases and write python/SQL scripts to validate data integrity and identify gaps and opportunities in our pipelines.
    • Track data issues and work with team leads from discovery to resolution.
  • Collaborate with the analytic teams to conduct data quality investigations, improve automation and tools.
  • Review current tools and enhance them to help with data integrity.


Qualifications

Minimum Qualifications
  • 5+ years of work experience in QA, preferably in data or relevant space
  • Demonstrable knowledge, experience, skill, and proficiency with the following:
    • Scrum/Agile methodologies
    • SDLC
    • Python (at least reading)
    • SQL
  • Experience with different facets of QA tests such as functional progression & regression, integration, performance, load, UAT, and operational readiness testing
  • Must be self-motivated, able to work independently, and thrive in a fast-paced, multi-tasking, high productivity environment while maintaining excellent working relationships with people in a wide variety of functional areas
  • Excellent verbal and written communication skills

Preferred Qualifications
  • Applied experience with Databricks and/or Azure ML
  • Strong coding abilities in one or more scripting languages like Python or SQL
  • Understanding of compliance, security, and risk domains along with associated patterns and data elements
  • Use of one of the following vendor reporting solutions: PowerBI or Tableau
  • Understanding of product and services activation, use, and transaction models and data
  • Understanding of statistical analysis and machine learning tools and practices
  • Understanding of Cloud-centric data processing and visualization approaches including SQL and NoSQL databases with exposure to Azure SQL, Azure Cosmos DB, Data Factory, Synapse, Azure Data Lake, etc
  • Familiarity with Agile software delivery including application lifecycle mgmt (Jira/Azure DevOps/VSTS, Git).


Additional Information

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