Senior UI & Backend Test Engineer (Hybrid, TS/SCI)

Piper Companies; Washington (District of Columbia); Hybrid; USD 135,000 - 170,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k)

PTO and Paid Holidays

Job summary

Zachary Piper Solutions is seeking a Sr. Software Test Engineer with strong UI testing and backend debugging to ensure quality during modernization of a critical government system.

The role is hybrid (3 onsite, 2 remote) with locations Reston, VA; Annapolis Junction, MD; or Washington, DC, and requires an active TS/SCI CI Poly. You will lead test planning, perform functional, regression, and UI testing, validate RESTful APIs, SQL data, and system builds.

Qualifications

• 18 years of experience in Software or Systems Engineering roles.
• Active TS/SCI CI Polygraph.
• Extensive experience performing functional and regression testing of UI web applications.
• Strong UI testing expertise, including UI validation and cross-browser compatibility.
• Experience in backend troubleshooting by reviewing application and server logs to determine root causes.
• Proficiency with defect tracking systems and SQL queries.

Responsibilities

• Develop test plans and comprehensive test cases for system upgrades and new features.
• Perform functional and regression testing of Java-based web applications.
• Conduct user interface validation and cross-browser compatibility testing.
• Execute manual testing for complex scenarios and review backend logs.
• Perform API testing for backend services and SQL/database checks.
• Coordinate defect tracking and issue resolution in a regulated environment.
• Collaborate with security teams to ensure compliance (federal requirements, accessibility).

Skills

UI testing

Backend debugging

Functional testing

Regression testing

API validation

SQL queries

Defect tracking

GitLab CI/CD

Security compliance

Accessibility testing

Tools

Oracle 19c

Apache Tomcat

Solr

LDAP authentication

Windows Server

GitLab

Job description

Zachary Piper Solutions is seeking a Sr. Software Test Engineer with strong UI testing and backend debugging to ensure quality during modernization of a critical government system.

The role is hybrid (3 onsite, 2 remote) with locations Reston, VA; Annapolis Junction, MD; or Washington, DC, and requires an active TS/SCI CI Poly. You will lead test planning, perform functional, regression, and UI testing, validate RESTful APIs, SQL data, and system builds.