Java Developer

Leidos LLC; Plyers Mill Estates (MD); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking a Java Developer to join our mission-critical programs. The role focuses on Agile development and operations and maintenance for systems, operating within a DevOps framework to deliver software across the full software development lifecycle.

You will design, develop, test, and maintain backend microservices in Java/Spring, participate in architecture and code reviews, and implement automated testing and cloud deployments using GitHub, Jenkins, and scripting.

Qualifications

• Familiarity with Agile practices and DevOps workflows.
• Proficiency in Java, Spring, and microservices design.
• Experience with RESTful APIs and relational/NoSQL databases.
• Experience with cloud platforms and DevOps toolchains.

Responsibilities

• Design, develop, test, and maintain backend microservices in Java/Spring.
• Contribute to software architecture, code reviews, and deployments.
• Implement validation and testing with JUnit and Katalon.
• Prototype and deploy on cloud-based platforms.
• Support SAFe Agile practices with stakeholders alignment.
• Manage build artifacts across environments using GitFlow and DevOps tools.

Skills

Agile practices

Java

Spring Framework

Microservices

REST APIs

Relational databases

NoSQL databases

DevOps tooling

JUnit

Python

Bash

Cloud platforms

Version control

Education

Bachelor's degree

Master's degree

Tools

GitHub

Jenkins

GitFlow

AWS

Google Cloud

Azure

Katalon

Job description

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, 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, 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 and the Spring Framework, microservices architecture and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL databases.
• Familiarity with 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
• Familiarity with 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 4 or more years of prior relevant experience or Master’s degree with 2 or more years of relevant experience. Will consider experience in lieu of a degree. To be considered must have an active TS/SCI with polygraph security clearance

Preferred Qualifications

• Experience with SAFe development practices #CABARESTON #ASBA #HALO

Pay Range

Pay Range: Pay Range $87,100.00 - $157,450.00

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 [e-mail].

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.

Company Overview

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Benefits

Leidos has an exciting opportunity for a 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!