ETL Tester (PySpark) – Databricks & API Validation

Ethereum Technologies; Boston (MA); On-site; USD 85,000 - 120,000; Full time

Job summary

Ethereum Technologies in Boston is seeking an ETL Tester with 3–5 years of experience in data testing, ETL testing, and data automation. The role focuses on ensuring data quality across multiple systems and pipelines.

You will develop and execute test cases, validate data with SQL, and collaborate with QA teams in an Agile environment, while applying PySpark and API testing skills to improve data integrity.

Qualifications

• 3–5 years of experience in ETL Testing, Data Testing, or Data Automation.
• Working knowledge of PySpark and Apache Spark.
• Basic to intermediate experience with Databricks and Spark SQL.
• Good understanding of SQL queries, joins, aggregations, and analytical functions.
• Experience in data validation, data reconciliation, and ETL testing.
• Exposure to API Testing and API Automation.
• Understanding of Entity Resolution and data matching concepts.
• Knowledge of Software Testing Life Cycle (STLC).
• Experience creating and executing test cases and test scripts.
• Familiarity with JIRA, Xray, and Confluence.
• Understanding of Agile/Scrum methodologies.

Responsibilities

• Perform ETL testing and validate data across different systems.
• Execute data validation and reconciliation using SQL queries.
• Develop and maintain basic automation scripts using PySpark.
• Test data transformation and processing workflows in Databricks.
• Perform API testing and validate API responses.
• Write and execute functional, integration, and regression test cases.
• Identify, document, and track defects using JIRA.
• Validate data accuracy, completeness, and consistency.
• Support test planning, test execution, and QA documentation.
• Collaborate with developers, business analysts, and QA teams.
• Participate in Agile ceremonies and daily project meetings.
• Assist with Business User Acceptance Testing (BUA/UAT).

Skills

ETL Testing

Data Testing

Data Automation

SQL

API Testing

JIRA

Xray

Confluence

Agile/Scrum

STLC

Entity Resolution

Tools

PySpark

Apache Spark

Databricks

Spark SQL

Job description

Ethereum Technologies in Boston is seeking an ETL Tester with 3–5 years of experience in data testing, ETL testing, and data automation. The role focuses on ensuring data quality across multiple systems and pipelines.

You will develop and execute test cases, validate data with SQL, and collaborate with QA teams in an Agile environment, while applying PySpark and API testing skills to improve data integrity.