Senior Software Engineer

Leidos LLC; College Park (MD); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking a Software Engineer to test and strengthen front-end interfaces in a fast-paced, mission-focused environment. You will design, implement, and run automated UI tests for React-based applications, and collaborate with backend teams in Java and C++ to ensure seamless integration.

The role requires a BS in CS or related field, 4 years of SWE experience or equivalent, and a TS/JS/HTML/CSS skillset.

Qualifications

• Bachelor's degree in Computer Science or related discipline 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.

Responsibilities

• Test front-end user interfaces to ensure functionality and usability.
• Write and maintain automated test scripts for UI verification using 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.

Skills

React

Java

C++

Python

Robot Framework

Selenium

Cypress

JavaScript

TypeScript

HTML

CSS

Agile

UI automation

Education

Bachelor's degree in Computer Science or related field

Masters degrees may count toward experience

Tools

Robot Framework

Selenium

Cypress

Job description

Who We Are

Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers and engineers have experience spanning centuries of research, development, and operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics, a Leidos company is uniquely qualified to anticipate tomorrow’s threats and build the next generation of capabilities.

Software Engineer Responsibilities

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.

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.

Opening Details

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

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.

Company Overview

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.