Senior Software Engineer with 25K sign on bonus

Leidos

$154K — $278K *
Information Technology
15+ years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or a related discipline, or equivalent experience (20 years in relevant positions).
  • Active Top Secret/SCI clearance with Polygraph required.
  • Experience in software engineering with a focus on front-end testing and automation.
  • Proficient in writing test scripts using Python (Robot Framework preferred).
  • Strong background in front-end technologies including React, Java, and/or C++.

Responsibilities

  • Test front-end user interfaces for functionality and usability.
  • Write and maintain automated test scripts for UI verification using Robot Framework.
  • Design and modify automated test scripts to incorporate new features.
  • Debug and correct defects in automated test scripts.
  • Collaborate with developers on features using React and related libraries.
  • Support integration of UI components with back-end services (Java/C++).
  • Participate in Agile development processes including sprint planning and daily stand-ups.
  • Document test cases, results, and QA processes effectively.

Benefits

  • Sign-on bonus of $25,000.
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
  • 20 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

Pay Range:
Pay Range $154,050.00 - $278,475.00

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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