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# QA Engineer - Big Data

- **Company:** FourV Systems, LLC
- **Location:** Baltimore, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Data Analysis, Automation of Tests, Microsoft Azure, Big Data, Clojure, Code Coverage, Extract Transform Load (ETL), Software Debugging, Distributed Systems, Apache Hadoop, Junit, Python (Programming Language), Machine Learning, NoSQL, Systems Development Life Cycle, Queueing Systems, Regression Testing, Mockito, Standard Sql, Scala (Programming Language), Web Application Security, Selenium, Testng, Web Applications, Performance Testing, HybridCloud, Integration Tests, Apache Kafka, Apache Nifi, Functional Programming
- **Published:** September 4, 2026
- **Apply:** https://startup.jobs/senior-qa-engineer-big-data-fourv-systems-8378275

## About the Role

* 5+ years of QA testing experience in a Unix/Linux environment
 * Java unit and integration test experience with frameworks such as Junit, Mockito, TestNG
 * Experience developing tests in functional programming languages such as Scala, Clojure, Python, or Javascript
 * Experience testing of ETL and message queue workflows and workloads, including such tools as Apache Kafka, Camel, or Nifi
 * Web application test automation experience in frameworks such as Selenium
 * Experience testing distributed systems, including testing on the Hadoop platform and user-level Hadoop configuration and administration skills
 * Strong SQL and NoSQL knowledge, including writing and executing queries to analyze data
 * User-level understanding of web application security and performance testing tools is a plus
 * Full software development life-cycle experience with proven track record of shipping quality software products on-time
 * Experience with public, private, and hybrid cloud implementations preferably AWS or Azure
 * Four year degree in CS, CE, EE, or other technical field such as math, physics, or engineering is required - a graduate degree in CS, CE, EE is a plus.
 * Ability to work well independently and as a part of a team in a fast-paced environment
 * Must have the legal right to work in the United States

## Description

In the Senior QA Engineer - Big Data role, you will be responsible for participating in the design and development efforts of our big data testing infrastructure for functional and performance testing. The testing infrastructure will exercise patented machine learning algorithms for analysis of large amounts of cross-domain data to meet customer needs., * Develop and execute maintainable automation tests for acceptance, functional, and regression test cases

 * Investigate and debug test failures, updating tests or reporting bugs as necessary and provide test coverage analysis based on automation results
 * Work closely with software engineers on Agile teams to deliver quality features
 * Participate in architecture discussions to address long-term design objectives


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