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Flexible Principal Java Software Engineer Jobs in Washington

Leidos

Senior Java Software Engineer

Annapolis, MD · On-site

$123K - $162K/yr

... Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training ... Leidos is seeking a Java Software Engineer to join an Agile development team responsible for ...

Leidos

Senior Java Software Engineer

Annapolis Junction, MD · On-site

$137K - $180K/yr

... Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training ... Leidos is seeking a Java Software Engineer to join an Agile development team responsible for ...

Leidos

Principal Java Developer

Bethesda, MD · On-site

$131K - $237K/yr

... Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training ... Participates in software programming initiatives, shaping backend architecture, mentoring team ...

1st Choice &

Senior Java Software Engineer

Clinton, MD · On-site

$120 - $170/hr

Senior Java Software Engineer Information Technology & Cybersecurity Clinton , Maryland Aug 19, 2026 Choose 1st Choice -- we care about our people, offer great benefits, and create real opportunities ...

2HB Incorporated

Principal Software Engineer

Annapolis, MD · On-site

$133K - $179K/yr

... seeking a Principal Software Engineer in order to support its government customer in Annapolis ... Description: 2HB is seeking an experienced Software Developer who will provide full-stack java ...

C. Mack Solutions, LLC

Java Software Engineer

Ashburn, VA · On-site

$75K - $155K/yr

The Java Software Engineer must be able to design, develop, enhance, debug, and implement software in an Agile environment. Resources will be members of highly effective Agile teams that create and ...

Peraton

Java Software Engineer

Herndon, VA · On-site

$90 - $130/hr

Experience with Java, J2EE software engineering * Experience with design and development * Experience with system installations Peraton is seeking a Software Engineer. This position is onsite in ...

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Flexible Principal Java Software Engineer information

What is a flexible principal Java software engineer?

A Flexible Principal Java Software Engineer is a highly experienced software engineer specializing in Java programming who also demonstrates adaptability in working across various projects, teams, and technologies. 'Principal' denotes a leadership role, often involving technical guidance, architecture decisions, and mentoring other engineers. The 'flexible' aspect means this professional can adjust to changing requirements, work environments, or technical stacks as needed. They are typically responsible for designing robust solutions, overseeing complex projects, and ensuring high-quality software delivery.

What are the key skills and qualifications needed to thrive as a flexible principal Java software engineer?

To thrive as a Flexible Principal Java Software Engineer, you need deep expertise in Java development, system architecture, and design patterns, typically supported by a computer science degree and extensive experience. Familiarity with frameworks like Spring, cloud platforms (AWS, Azure), CI/CD tools, and relevant certifications (like Oracle Certified Professional) are commonly required. Strong leadership, problem-solving, and communication skills help drive complex projects and mentor teams effectively. These skills ensure the delivery of robust, scalable solutions and foster technical excellence within the organization.

How does a flexible principal Java software engineer typically collaborate with cross-functional teams, and what impact does this have on project outcomes?

As a Flexible Principal Java Software Engineer, you will frequently collaborate with cross-functional teams, including product managers, UX designers, QA engineers, and DevOps specialists. This collaboration ensures that technical decisions align with business goals and user needs, leading to more robust and scalable solutions. You'll often facilitate technical discussions, mentor junior developers, and help bridge communication gaps between technical and non-technical stakeholders. Effective collaboration not only improves project outcomes but also fosters a culture of continuous learning and innovation within the team.

What is the difference between Flexible Principal Java Software Engineer vs Principal Java Software Engineer?

AspectFlexible Principal Java Software EngineerPrincipal Java Software Engineer
Required CredentialsBachelor's or Master's in Computer Science, Java certifications often preferredBachelor's or Master's in Computer Science, Java certifications often preferred
Work EnvironmentFlexible, often remote or hybrid, project-basedTypically on-site or hybrid, leadership-focused
Employer & Industry UsageTech companies, startups, consulting firmsLarge enterprises, tech firms, financial institutions
Common Search & ComparisonYesYes

The main difference is that the Flexible Principal Java Software Engineer often works in more adaptable, remote environments and may handle diverse projects, while the Principal Java Software Engineer typically holds a more traditional, leadership-focused role within larger organizations. Both roles require strong Java expertise and similar credentials, but their work settings and responsibilities can differ.

What are the most commonly searched types of Principal Java Software Engineer jobs in Washington?

The most popular types of Principal Java Software Engineer jobs in Washington are:

Flexible Principal Java Software Engineer jobs near you

Senior Java Software Engineer

Leidos

Annapolis, MD • On-site

$123K - $162K/yr

Full-time

Retirement, PTO

Re-posted 8 days ago

Key responsibilities

  • Design, develop, test, and maintain enterprise Java applications using Spring Boot and modern software engineering best practices.

  • Develop scalable RESTful APIs and backend services supporting mission-critical applications and high-performance enterprise systems.

  • Support application modernization initiatives through containerization, Kubernetes deployments, and continuous improvements to system architecture.

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

81st of 500 rated business services

Job description

Leidos has a new and exciting opportunity for a Senior Java Software Engineer in our Intelligence Sector's 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!
Job Summary
Build scalable Spring Boot applications, deploy to Kubernetes, and help modernize mission-critical Intelligence systems supporting national security.
Leidos is seeking a Java Software Engineer to join an Agile development team responsible for enhancing and modernizing a mission-critical enterprise application. You'll help evolve a high-performance Java platform that processes large volumes of operational data while transitioning to a modern, containerized architecture.
Working alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. This is an opportunity to work across the full software development lifecycle, influence technical direction, and deliver software that directly supports critical Intelligence missions.
If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.
Primary Responsibilities
  • Design, develop, test, and maintain enterprise Java applications using Spring Boot and modern software engineering best practices.
  • Develop scalable RESTful APIs and backend services supporting mission-critical applications and high-performance enterprise systems.
  • Design, optimize, and troubleshoot relational database solutions using MariaDB and other enterprise database technologies.
  • Support application modernization initiatives through containerization, Kubernetes deployments, and continuous improvements to system architecture.
  • Participate in technical design sessions, architecture discussions, code reviews, troubleshooting, and Agile software development activities.
  • Develop and maintain automated testing solutions and GitLab CI/CD pipelines to improve software quality, deployment efficiency, and operational reliability.
  • Collaborate with cross-functional engineering teams using Jira and Confluence while supporting the complete software development lifecycle.

Basic Qualifications
  • Bachelor's degree in Computer Science or a related technical discipline from an accredited college or university. Candidates without Bachelors degrees will require an additional 4 years of software engineering experience.
  • Minimum of twelve (12) years of software engineering experience on programs and contracts of similar scope, type, and complexity.
  • Experience developing Java enterprise applications using Spring Boot or similar modern frameworks.
  • Experience developing RESTful APIs and working with relational databases such as MariaDB, PostgreSQL, Oracle, or similar technologies.
  • Experience with container technologies (Docker or Podman), Kubernetes, or other modern application deployment platforms.
  • Experience working in Agile development environments using Git-based source control, CI/CD pipelines, and automated testing practices.
  • Security Clearance Requirement: Active TS/SCI with Polygraph.

Preferred Qualifications
  • Experience developing Angular or other modern web applications.
  • Experience with microservices architecture, application modernization, or cloud-native software development.
  • Experience implementing GitLab CI/CD pipelines and DevSecOps best practices.
  • Experience tuning SQL performance and supporting high-volume enterprise applications.
  • Experience using Jira and Confluence to support Agile software development.
  • Strong troubleshooting, debugging, and problem-solving skills across application, database, and deployment technologies.
  • Experience supporting enterprise software within secure or classified environments.

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!
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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:
July 31, 2026
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 $131,300.00 - $237,350.00
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.

What Leidos employees say

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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