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Principal Java Developer - Careers at Leidos

Leidos

Principal Java Developer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Principal Java Developer - Leidos Intel Security Sector

Leidos seeks a Principal Java Developer for our Analysis Solutions Business Area in Bethesda, MD. Join a team pioneering Security Engineering, CNO, SIGINT, and Cryptographic Key Management. Make an impact in National Security with competitive benefits like PTO, 11 holidays, 401K (6% match, immediate vesting), flexible schedules, stock discounts, upskilling, and parental leave.

Job Summary

Deliver Agile DevOps for mission-critical systems across the SDLC: estimation, architecture, coding, testing. Focus on high-performance backend microservices.

Primary Responsibilities

  • Design, develop, test, maintain Java/Spring microservices for scalable IT solutions.
  • Lead architecture, mentor juniors, perform code reviews.
  • Implement testing with JUnit/Katalon; automate deployments.
  • Prototype/deploy cloud solutions using platform services.
  • Analyze infrastructure via PoC, performance, end-to-end tests.
  • Follow SAFe Agile practices, align with Product Owners/Scrum Masters.
  • Document/deploy via GitFlow, GitHub, Jenkins, Python/Bash.
  • Apply best practices for innovative customer solutions.

Basic Qualifications

  • Deep Agile, service-oriented, DevOps experience.
  • Expertise in Java/Spring, microservices, REST APIs, relational/NoSQL DBs.
  • Cloud platforms (AWS/Azure/GCP), data services (S3/RDS/EFS).
  • Testing (JUnit), scripting (Python/Bash), version control.
  • BS +12yrs or MS +10yrs experience; TS/SCI w/poly required.

Preferred Qualifications

  • Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS/Lambda/S3.
  • SAFe practices.

Leidos outthinks and outpaces the status quo. Active TS/SCI w/poly required. Pay: $131,300-$237,350 USD/year.

Locations

  • Bethesda, Maryland, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Javaintermediate
  • Spring Frameworkintermediate
  • Microservices Architectureintermediate
  • RESTful APIsintermediate
  • DevOps (GitHub, Jenkins)intermediate
  • Cloud Platforms (AWS, Azure, Google Cloud)intermediate
  • JUnitintermediate
  • Pythonintermediate
  • Bashintermediate
  • Agile/SAFeintermediate
  • Docker/Kubernetesintermediate

Required Qualifications

  • Bachelor’s degree with 12+ years experience or Master’s with 10+ years (experience)
  • Active TS/SCI with polygraph clearance (experience)
  • In-depth Java/Spring/microservices experience (experience)
  • DevOps toolsets integration (experience)
  • Cloud data services (S3, RDS, EFS) (experience)
  • Version control (GitFlow) (experience)

Responsibilities

  • Design/develop/test scalable Java/Spring microservices
  • Shape backend architecture, mentor, conduct code reviews
  • Develop validation/testing with JUnit/Katalon
  • Prototype/deploy cloud-based solutions
  • Analyze infrastructure needs via PoC/performance testing
  • Support Agile/SAFe lifecycle with User Stories
  • Document/deploy using GitHub/Jenkins/Python/Bash

Benefits

  • general: Paid Time Off
  • general: 11 Paid Holidays
  • general: 401K with 6% match & immediate vesting
  • general: Flexible Schedules
  • general: Discounted Stock Purchase Plans
  • general: Technical Upskilling/Education Support
  • general: Parental Paid Leave

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Leidos logo

Principal Java Developer - Careers at Leidos

Leidos

Principal Java Developer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Principal Java Developer - Leidos Intel Security Sector

Leidos seeks a Principal Java Developer for our Analysis Solutions Business Area in Bethesda, MD. Join a team pioneering Security Engineering, CNO, SIGINT, and Cryptographic Key Management. Make an impact in National Security with competitive benefits like PTO, 11 holidays, 401K (6% match, immediate vesting), flexible schedules, stock discounts, upskilling, and parental leave.

Job Summary

Deliver Agile DevOps for mission-critical systems across the SDLC: estimation, architecture, coding, testing. Focus on high-performance backend microservices.

Primary Responsibilities

  • Design, develop, test, maintain Java/Spring microservices for scalable IT solutions.
  • Lead architecture, mentor juniors, perform code reviews.
  • Implement testing with JUnit/Katalon; automate deployments.
  • Prototype/deploy cloud solutions using platform services.
  • Analyze infrastructure via PoC, performance, end-to-end tests.
  • Follow SAFe Agile practices, align with Product Owners/Scrum Masters.
  • Document/deploy via GitFlow, GitHub, Jenkins, Python/Bash.
  • Apply best practices for innovative customer solutions.

Basic Qualifications

  • Deep Agile, service-oriented, DevOps experience.
  • Expertise in Java/Spring, microservices, REST APIs, relational/NoSQL DBs.
  • Cloud platforms (AWS/Azure/GCP), data services (S3/RDS/EFS).
  • Testing (JUnit), scripting (Python/Bash), version control.
  • BS +12yrs or MS +10yrs experience; TS/SCI w/poly required.

Preferred Qualifications

  • Elasticsearch, Postgres, DynamoDB, Kafka, AWS SQS/SNS/Lambda/S3.
  • SAFe practices.

Leidos outthinks and outpaces the status quo. Active TS/SCI w/poly required. Pay: $131,300-$237,350 USD/year.

Locations

  • Bethesda, Maryland, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Javaintermediate
  • Spring Frameworkintermediate
  • Microservices Architectureintermediate
  • RESTful APIsintermediate
  • DevOps (GitHub, Jenkins)intermediate
  • Cloud Platforms (AWS, Azure, Google Cloud)intermediate
  • JUnitintermediate
  • Pythonintermediate
  • Bashintermediate
  • Agile/SAFeintermediate
  • Docker/Kubernetesintermediate

Required Qualifications

  • Bachelor’s degree with 12+ years experience or Master’s with 10+ years (experience)
  • Active TS/SCI with polygraph clearance (experience)
  • In-depth Java/Spring/microservices experience (experience)
  • DevOps toolsets integration (experience)
  • Cloud data services (S3, RDS, EFS) (experience)
  • Version control (GitFlow) (experience)

Responsibilities

  • Design/develop/test scalable Java/Spring microservices
  • Shape backend architecture, mentor, conduct code reviews
  • Develop validation/testing with JUnit/Katalon
  • Prototype/deploy cloud-based solutions
  • Analyze infrastructure needs via PoC/performance testing
  • Support Agile/SAFe lifecycle with User Stories
  • Document/deploy using GitHub/Jenkins/Python/Bash

Benefits

  • general: Paid Time Off
  • general: 11 Paid Holidays
  • general: 401K with 6% match & immediate vesting
  • general: Flexible Schedules
  • general: Discounted Stock Purchase Plans
  • general: Technical Upskilling/Education Support
  • general: Parental Paid Leave

Target Your Resume for "Principal Java Developer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Principal Java Developer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Principal Java Developer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Bethesda MDLeidos CareersJava Developer United StatesDefense IT SecurityCloud DevOpsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Principal Java Developer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.