Software Engineer

Primary Responsibilities

• Test front-end user interfaces to ensure functionality and usability.
• Write and maintain automated test scripts for UI verification using tools such as Robot Framework (Python).
• Design and code new automated test scripts or modify existing ones to add new features.
• Debug existing automated test scripts and correct defects.
• Collaborate with developers to design, implement, and validate features in React and related front-end libraries.
• Support integration of UI components with back-end services written in Java and/or C++.
• Participate in Agile development teams, contributing to sprint planning, code reviews, and daily stand-ups.
• Document test cases, results, and processes to support ongoing quality assurance.
• Explore and apply other front-end automation tools as appropriate to improve efficiency.

Basic Qualifications

• Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Masters Degrees may count toward experience requirements
• Seven or more years related experience
• Clearance Requirement: Active Top Secret/SCI clearance with Polygraph.

Preferred Qualifications

• Experience with front-end development and/or UI testing.
• Familiarity with React, Java, and/or C++.
• Ability to write test scripts in Python (Robot Framework experience strongly preferred).
• Hands-on experience with Robot Framework for UI automation.
• Exposure to other front-end automation tools (e.g., Selenium, Cypress).
• Knowledge of modern web technologies: JavaScript, TypeScript, HTML, CSS.
• Experience working in Agile development environments.

Additional information

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting: July 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.