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Location
Tysons, VA, United States
Posted
July 22, 2026

Job Description

**Senior QA Automation Engineer / SDET (Python, Selenium, Linux)**
**Location:** Tysons, VA (Hybrid/Onsite)
**Industry:** Financial Technology / Payments
**About the Role**
Our client, a leading financial technology organization, is seeking a Senior QA Automation Engineer / SDET to support mission-critical payments applications. This role will focus on designing, developing, and executing automated testing solutions that ensure the reliability, security, and performance of enterprise payment platforms.
The ideal candidate will have strong automation experience with Selenium, coding expertise in Python or Java, and experience working in Linux environments and CI/CD pipelines.
**Key Responsibilities**

+ Design and develop automated test frameworks and test scripts for web-based and enterprise applications
+ Create and execute functional, integration, regression, performance, and security test plans
+ Build and maintain automated testing solutions using ...