Junior Software Engineer TSSCI with Poly
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Job Location:
Chantilly, VA - USA
Monthly Salary:
$ 57850 - 104575
Posted on:
14 hours ago
Vacancies:
1 Vacancy
Job Summary
Leidos is seeking a motivated Junior Software Engineer to join our team in developing and maintaining modern web applications using . This junior position is ideal for recent graduates or early-career professionals passionate about front-end development and eager to grow in a dynamic mission-focused environment. You will work closely with experienced engineers in an Agile team contributing to user-friendly interfaces while leveraging AI-powered tools to enhance productivity code quality and innovation.
This role provides hands-on experience with and modern software practices including the use of AI assistants (e.g. GitHub Copilot Cursor Claude or similar) to accelerate development tasks such as code generation debugging refactoring and prompt engineering.
Primary Responsibilities:
- Develop and maintain user-facing features using including building reusable components and managing application state (e.g. useState useEffect).
- Translate UI/UX designs and wireframes into high-quality responsive code using HTML5 CSS3 and JavaScript (ES6).
- Collaborate with backend developers to integrate RESTful APIs and ensure seamless data flow.
- Utilize AI coding tools (e.g. GitHub Copilot ChatGPT Claude) for code suggestions generation debugging refactoring and optimization to improve development efficiency.
- Participate in code reviews unit testing and debugging to ensure performance compatibility across browsers/devices and adherence to best practices.
- Implement clean modular and maintainable code following team standards.
- Stay current with emerging front-end technologies and AI-assisted development trends.
- Contribute in an Agile environment including daily stand-ups sprint planning and team collaboration.
Basic Qualifications:
- Bachelors degree with 1 years of experience. Additional experience may be considered in lieu of degree.
- US Citizen with an active TS/SCI with Poly security clearance
- Basic proficiency in JavaScript (ES6) HTML5 and CSS3.
- Fundamental knowledge of (components hooks state management).
- Familiarity with version control tools such as Git.
- Experience or strong interest in AI tools for coding assistance (e.g. code generation explanation or optimization).
- Understanding of responsive design principles and basic web performance optimization.
- Strong problem-solving skills eagerness to learn and ability to work in a team environment.
- Excellent communication skills.
- CompTIA Security certification
Preferred Qualifications:
- Experience with modern build tools (e.g. npm/Yarn Vite).
- Basic knowledge of TypeScript or Redux.
- Exposure to RESTful APIs.
- Personal projects bootcamp completion or open-source contributions (GitHub portfolio encouraged).
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
December 30 2025For 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 $57850.00 - $104575.00The Leidos pay range for this job level is a general guideline onlyand 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.
Required Experience:
Junior IC
Key Skills
- Anesthesiologist
- Bidding
- Animal
- Editorial
- End User Support
- Clinical
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
