Senior Software Engineer

Leidos

$131K — $237K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related discipline, or equivalent experience.
  • 14 years of relevant experience in software engineering roles.
  • Active Top Secret/SCI clearance with Polygraph required.
  • Experience with front-end development and UI testing preferred.
  • Ability to write test scripts in Python, specifically using Robot Framework.

Responsibilities

  • Test front-end user interfaces for functionality and usability.
  • Write and maintain automated test scripts for UI verification using Robot Framework.
  • Design and code new automated test scripts or enhance existing ones.
  • Debug and resolve defects in automated test scripts.
  • Collaborate with developers on features in React and related libraries.
  • Support integration of UI components with back-end services in Java or C++.
  • Document test cases and results for quality assurance.

Benefits

  • Sign-on bonus of $25,000.
  • Opportunities to work in Agile teams and contribute to code reviews.
  • Exposure to advanced front-end technologies and frameworks.
  • Collaborative environment with developers to enhance product features.
  • Career growth potential through ongoing learning and development.
Full Job Description
This position is eligible for a sign on bonus of $25,000.

The Software Engineer will be responsible for:
  • 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
  • 14 years of relavent 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.


CSSRC

conmd

Original Posting:
May 26, 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:
Pay Range $131,300.00 - $237,350.00

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.

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