Java Developer (SME) — Bethesda, MD

Leidos has an exciting opportunity for an experienced Java Developer (SME) to join our Intel Security Sector's Analysis Solutions Business Area in Bethesda, Maryland. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management , delivering innovative solutions that support critical national security missions. This is an exceptional opportunity for a seasoned technical professional to apply advanced software engineering expertise, influence technical direction, and help deliver sophisticated capabilities that directly support the Intelligence Community. Beyond the opportunity to make a meaningful mission impact, Bethesda, Maryland , offers an outstanding place to build your career and enjoy life outside of work. Located just outside Washington, D.C., Bethesda combines proximity to the nation's leading defense, intelligence, and technology organizations with vibrant neighborhoods, highly regarded schools, excellent dining and entertainment, beautiful parks, and convenient access to the greater National Capital Region. At Leidos , we recognize the value of our employees and offer a comprehensive, competitive benefits package, including Paid Time Off, 11 paid holidays, a 401(k) with a 6% company match and immediate vesting, flexible schedules, discounted stock purchase plans, technical upskilling, education and training support, paid parental leave, and much more. Join Leidos and put your technical expertise and leadership to work supporting missions that make a difference in National Securit y! Job Summary We are seeking a highly accomplished Java Developer (SME) to provide expert-level Agile DevOps support for mission-critical systems. In this role, you will apply your technical expertise to the design, development, implementation, and testing of customer tools and applications that support the extraction, transformation, and loading (ETL) of data into an enterprise Data Lake . Working within a DevOps framework, you will participate in and direct major project deliverables throughout the software development lifecycle, including scope definition and work estimation, architecture and design, coding, and unit testing. You will also develop custom code and scripts to rapidly extract, triage, and exploit data across multiple domains and data stores. This position offers the opportunity to shape backend architecture, mentor fellow developers, and influence technical solutions while collaborating with multidisciplinary Agile teams to address complex customer requirements. Based in Bethesda, Maryland, you'll be part of the National Capital Region's thriving defense and intelligence technology community. Primary Responsibilities • Backend Development: Design, develop, test, and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer information technology needs. • Technical Leadership and Architecture: Participate in and direct software programming initiatives, shape backend architecture, mentor team members, and conduct code reviews. • Testing and Automation: Develop and direct software system validation and testing methods using JUnit and Katalon, leveraging integrated, custom-developed software solutions to support automated deployment technologies. • Cloud-Based Development: Develop, prototype, and deploy solutions within a cloud-based platform, leveraging available platform services. • Infrastructure Analysis and Coordination: Analyze infrastructure requirements through proof-of-concept development, performance testing, and end-to-end testing, and effectively coordinate infrastructure needs driven by developed software to meet customer mission requirements. • Agile Collaboration: Support the Agile software development lifecycle following Program SAFe practices, coordinating closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation in accordance with customer use cases. • DevOps and Configuration Management: Document and perform systems software development activities, including deploying build artifacts across different environments using GitFlow constructs and industry-leading DevOps tools such as GitHub, Jenkins, and scripting languages (e.g., Python and Bash). • Continuous Improvement: Apply and identify software development best practices and standard operating procedures to create innovative solutions that address customers' technical needs. Required Skills, Education, and Experience • Extensive experience utilizing common Agile practices, working in service-oriented environments, and applying established software development practices. • Extensive experience with Java and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases. • Extensive experience developing software that interfaces with data technologies, including Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS, AWS Lambda, and AWS S3 . • Extensive experience integrating with and delivering software solutions within DevOps toolsets and practices. • Direct experience utilizing software testing and performance tools, such as JUnit, and scripting languages, including Python and Bash, within an Agile development environment. • Extensive experience developing solutions in commercial cloud platforms (e.g., AWS, Google Cloud, Azure) and leveraging cloud data services (e.g., S3, RDS, EFS). • Extensive experience utilizing version control systems and issue/problem tracking systems. • Education and Experience: Master's degree with 15 or more years of prior relevant experience, or a Doctorate with 13 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree. • Security Clearance: Must possess an active TS/SCI with polygraph security clearance to be considered. Preferred Qualifications • Experience with SAFe development practices. #CABARESTON #ASBA #HALO 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: October 27, 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 $154,050.00 - $278,475.00 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.