Sr. Java Developer

Leidos Holding$107K — $195K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI with polygraph security clearance required
  • Bachelor's degree with 8+ years or Master's with 6+ years of relevant experience
  • Familiarity with Agile development practices and DevOps tools
  • Experience with Java design patterns and RESTful API implementation
  • Knowledge of cloud platforms (AWS, Google Cloud, Azure) and services
  • Skilled in version control and issue tracking systems

Responsibilities

  • Design, develop, test, and maintain scalable backend microservices with Java and Spring Framework
  • Participate in programming initiatives and conduct code reviews
  • Develop software validation and testing methods using Junit and Katalon
  • Prototype and deploy cloud-based solutions leveraging platform services
  • Support Agile lifecycle and coordinate with team members for User Story alignment
  • Document and perform software development, including deployment of artifacts using GitFlow
  • Apply software development best practices to create innovative solutions

Benefits

  • Opportunity to work on mission critical systems
  • Emphasis on Agile development and collaborative team environment
  • Access to advanced tools and technologies in software development and deployment
  • Engagement in projects that leverage cloud-based infrastructures
  • Possibility for career advancement within a well-established company
Full 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, 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


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Original Posting:
September 3, 2026

Pay Range:
Pay Range $107,900.00 - $195,050.00

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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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