Principal Java Developer

Leidos•Bethesda, MD

About The Position

Leidos has a new and exciting opportunity for a Principal 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 Description 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, architecture and 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. Participates in software programming initiatives, shaping backend architecture, mentoring team members, and conducting code reviews. Develops and directs 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. Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs 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: In-depth experience in common Agile practices, service-orientated environments, and development practices In-depth experience with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases. In-depth experience integrating with and delivering within DevOps toolsets/practices 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 In-depth experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS) In-depth experience using version control systems and issue/problem tracking systems Bachelor’s degree with 12 or more years of prior relevant experience or Master’s degree with 10 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: Experience with writing software that interfaces with data technologies like Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS, AWS Lambda, and AWS S3. Experience with SAFe development practices CABARESTON 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 20, 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 $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. Leidos Leidos is a Fortune 500® innovation company rapidly addressing the world's most vexing challenges in national security and health. The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenue of approximately $15.4 billion for the fiscal year ended December 29, 2023. 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 [email protected]. 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.

Requirements

In-depth experience in common Agile practices, service-orientated environments, and development practices
In-depth experience with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases.
In-depth experience integrating with and delivering within DevOps toolsets/practices
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
In-depth experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)
In-depth experience using version control systems and issue/problem tracking systems
Bachelor’s degree with 12 or more years of prior relevant experience or Master’s degree with 10 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

Nice To Haves

Experience with writing software that interfaces with data technologies like Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS, AWS Lambda, and AWS S3.
Experience with SAFe development practices

Responsibilities

Design, develop, test and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer information technology needs.
Participates in software programming initiatives, shaping backend architecture, mentoring team members, and conducting code reviews.
Develops and directs 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.
Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs
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.