Sr. Java Developer

Leidos LLC; Brookmont (MD); On-site; USD 107,900 - 195,050; Full time

Benefits offered by this job

PTO

11 holidays

401K with match

Flexible schedules

Discounted stock purchase plans

Technical upskilling

Education and training support

Parental paid leave

Job summary

Leidos in Maryland seeks a Senior Java Developer to design, build, and run high-performance backend microservices using Java and the Spring Framework within an Agile DevOps environment. You will participate in scope, design, coding, and unit testing across the software lifecycle.

The role requires collaboration with Product Owners and Scrum Masters in a SAFe setting, deployment to cloud platforms, and implementing automated tests with JUnit, Python, and Bash.

Qualifications

• Bachelor’s degree with 8+ years of experience or Master’s degree with 6+ years of experience.
• Active TS/SCI with polygraph clearance is required.
• Experience with Java, Spring, RESTful APIs, and DevOps in a cloud-based environment.

Responsibilities

• Design, develop, test and maintain high-performance backend microservices using Java and Spring.
• Participate in software programming initiatives and code reviews.

Skills

Java

Spring Framework

RESTful APIs

DevOps

AWS / GCP / Azure

JUnit

Python

Scripting (bash)

SAFe

Git / GitHub

Education

Bachelor's degree with 8+ years of experience

Master’s degree with 6+ years of experience

Tools

GitHub

Jenkins

Cloud platforms (AWS/GCP/Azure)

Job description

Leidos has an exciting opportunity for a Sr. Java Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary A Java developer on this program provides Agile development and operations and maintenance for mission critical systems. Based in DevOps framework, this role participates in major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, design, coding and unit testing.

Primary Responsibilities:

• Design, develop, test and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer information technology needs.
• Participate in software programming initiatives and code reviews.
• Develops software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies.
• Develop, prototype and deploy solutions within a cloud-based platform leveraging platform services.
• Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
• Document and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash).
• Apply and identify software development best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.

Basic Qualifications:

• Familiarity with common Agile practices, service-orientated environments, and development practices.
• Familiarity with Java based design patterns and implementing RESTful APIs.
• Familiarity with integrating with and delivering within DevOps toolsets/practices.
• Familiarity with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS).
• Familiarity with using version control systems and issue/problem tracking systems.
• Bachelor’s degree with 8 or more years of prior relevant experience or Master’s degree with 6 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.
• To be considered must have an active TS/SCI with polygraph security clearance.

Preferred Qualifications:

• Familiarity with the Spring Framework, microservices architecture and integrating with relational and NoSQL databases.
• Direct experience utilizing software testing performance tools, such as Junit and scripting languages, such as Python, and Bash while working in an Agile development environment.
• Experience with SAFe development practices.

Original Posting:

January 21, 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 $107,900.00 - $195,050.00 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.

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.