Leidos Homeland is seeking a highly motivated Junior Application Developer supporting Airports, Borders and Security FBI portfolio. The candidate will support our Facilities technical IT contract and be responsible for understanding customer needs to create applications. The ideal candidate will operate independently with limited supervision and can establish solid working relationships within the division, as well as our external Government customers.

This position is on a future contract pending award announcement.

You must be a US citizen with an active TS security clearance to be considered.

Primary Responsibilities:

• Develop, test, and maintain web-based, mobile, or desktop applications according to business requirements.

• Collaborate with senior developers to design software solutions and implement new features.

• Write clean, efficient, and well-documented code following company standards and coding guidelines.

• Debug and resolve application issues, bugs, and performance bottlenecks.

• Participate in code reviews and learn modern software development practices and methodologies.

• Assist in documenting technical specifications, architecture, and process workflows.

• Work closely with cross-functional teams such as QA, design, and project management.

• Stay updated on emerging programming languages, tools, and technologies relevant to the company’s tech stack.

Required Security Clearance:

• Active Top Secret.

Basic Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience).

• Basic knowledge of one or more programming languages (e.g., Java, C#, Python, JavaScript, or similar).

• Understanding of web technologies (HTML, CSS, JavaScript, and basic frameworks like React or Angular).

• Familiarity with databases (SQL or NoSQL).

• Knowledge of version control systems such as Git.

• Strong problem-solving and analytical skills.

• Excellent communication and teamwork abilities.

• Eagerness to learn and adapt to new technologies.

Preferred Qualifications:

• Internship or project experience developing software applications.

• Exposure to Agile/Scrum methodologies.

• Familiarity with cloud platforms (AWS, Azure, or Google Cloud).

• Understanding of REST APIs and backend development.

• Degree in IT related field preferred.

• Experience with SAFe and ITIL.

• Experience in communications, Agile, and Dev Sec Ops; hardware/software fabrication; Cloud, platform system integration; and/or test and evaluation is a plus.

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:

January 16, 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 $57,850.00 - $104,575.00

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.