Principal Java Developer

Job Summary

Leidos seeks a Principal Java Developer in our Intel Security Sector's Analysis Solutions Business Area. The role involves Agile development and operations and maintenance for mission‑critical systems within a Dev Ops framework.

• Design, develop, test, and maintain high‑performance, scalable backend microservices using Java and the Spring Framework.
• Participate in software programming initiatives, shape backend architecture, mentor team members, and conduct code reviews.
• Develop and direct software system validation and testing methods using JUnit and Katalon, and leverage custom tooling for automated deployment.
• Prototype and deploy solutions within a cloud‑based platform, leveraging platform services.
• Analyze proof of concept, performance, and end‑to‑end testing, and coordinate infrastructure needs to meet customer mission requirements.
• Support the Agile software development lifecycle following SAFe practices while coordinating with Product Owners, Scrum Masters, and team members.
• Document and perform systems software development, including deployment of build artifacts across multiple environments using Git Flow, Git Hub, Jenkins, and scripting (Python, Bash).
• Apply and identify software development best practices and standard operating procedures to create innovative solutions for customers.

• In‑depth experience in Agile practices, service‑oriented environments, and development practices.
• Extensive experience with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and No
  
  SQL databases.
• Experience integrating with and delivering within Dev Ops toolsets and practices.
• Direct experience with performance testing tools such as JUnit, scripting languages such as Python, and Bash.
• Experience developing on commercial cloud platforms (AWS, Google Cloud, Azure) and leveraging cloud data services (S3, RDS, EFS).
• Proficiency with version control systems and issue/problem tracking systems.
• Bachelor’s degree with 12+ years of prior relevant experience, or Master’s degree with 10+ years of relevant experience; additional years may substitute for a degree.
• Must hold an active TS/SCI clearance with a polygraph.

• Experience writing software that interfaces with data technologies such as Elasticsearch, Postgre
  
  SQL, Dynamo
  
  DB, Kafka, AWS SQS/SNS, AWS Lambda, and AWS S3.

Active TS/SCI with polygraph clearance is required.

$ – $ (general guideline; final compensation will consider experience, skills, and internal equity).

Competitive benefits include Paid Time Off, 11 paid holidays, 401(k) with 6% company match (immediate vesting), flexible schedules, discounted stock purchase plans, technical up‑skilling, education and training support, parental paid leave, and more.

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.