Sr. Java Developer
At a glance
Senior Backend Engineering role at Leidos. Bethesda · full-time · $107,900–$195,050 base.
techroles summary, based on the employer's posting.
What you'll do
- Build and maintain Java and Spring backend microservices designed to handle demanding workloads and scale
- Contribute to software initiatives and review code alongside the development team
- Create validation and test approaches with JUnit and Katalon, including automated deployment solutions
- Prototype and roll out software on cloud platforms, using platform services
- Carry work through Agile delivery, from estimating and design to testing, documentation, and deployment across environments
What you bring
- An active TS/SCI clearance with polygraph is required
- A bachelor’s degree plus at least eight years of relevant work, or a master’s plus six; additional experience can replace the degree
- Working knowledge of Java design patterns, REST APIs, Agile methods, DevOps practices, cloud platforms, and version control
- Experience with Java and Spring microservices, databases, and software testing tools such as JUnit
Who this fits
This senior role suits an experienced Java developer who can contribute across backend delivery, testing, and deployment. You’ll work within an Agile team, coordinating with teammates, Product Owners, and Scrum Masters. An active TS/SCI clearance with polygraph is required.
From the employer
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
#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:
January 21, 2026For 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 - $195,050.00The 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.
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