Java Developer

Leidos has a new and exciting opportunity for a Sr. Java Developer with advanced Excel in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . 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!

We have an immediate need for a Sr. Java Developer with strong systems, software, cloud, database, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems. Based in DevOps framework, participate in and / or direct 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 :

Participate in software programming initiatives to support innovation and enhancement, using Java, JavaScript, Python, SpringBoot, Hibernate.

Provide expertise integrating with, configuring, performance tuning, administering and troubleshooting DynamoDB.

Developing and directing software system validation and testing methods using Junit and Katalon

Develop and integrate custom developed software solutions to leverage automated deployment technologies

Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging Infrastructure platform services

Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases

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

Use industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting

Document and Perform systems software development, including deployment of build artifacts across different environments leverage GitFlow constructs

Leverage Atlassian tool suite like JIRA and Confluence to track activities

Basic Qualifications :

Direct experience integrating with, configuring, performance tuning, administering and troubleshooting DynamoDB.

Significant experience with common Agile practices, service-orientated environments, and development practices

Significant experience using Java, JavaScript and Angular

Significant experience in the software development lifecycle, with experience delivering within DevOps toolsets / practices

Direct experience utilizing software testing performance tools, such as Junit

Experience with scripting languages, such as Python, Bash

Experience working in an Agile development environment and tempo

Experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure)

Experience with development leveraging cloud data services (ex : S3, RDS, EFS)

Well versed with using version control systems

Well versed with using issue / problem tracking systems

Bachelor’s degree with 4 or more years of prior relevant experience or a Master’s degree with 6 or more years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree.

Candidate must have a current TS / SCI with Polygraph

Preferred Qualifications :

Experience in AWS Data management services (Elastic Map Reduce, Lambda, Kinesis)

Experience with SAFe development practices

At Leidos , the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

CABARESTON

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting : August 1, 2025

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 $85,150.00 - $153,925.00

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.