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Trainee Principal Java Software Engineer Jobs in Washington

Java Software Engineer

Reston, VA

$54 - $74/hr

Java Software Engineer LOCATIONReston, VA 20190 CLEARANCETS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARYWe are seeking a skilled and passionate Java Software ...

Java Software Engineer

Tysons, VA · On-site

$52 - $71.25/hr

Java Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Java ...

Java Software Engineer

Chantilly, VA · On-site

$53.50 - $73.50/hr

Java Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Java ...

Java Software Engineer

Annapolis Junction, MD · On-site

$52.75 - $72.50/hr

Java Software Engineer LOCATIONAnnapolis Junction, MD 20701 CLEARANCETS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARYWe are seeking a skilled and passionate ...

Java Software Engineer

Reston, VA · On-site

$54 - $74/hr

Java Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Java ...

Java Software Engineer

Tysons, VA · On-site

$52 - $71.25/hr

Java Software Engineer LOCATIONTysons, VA 22182 CLEARANCETS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARYWe are seeking a skilled and passionate Java Software ...

Java Software Engineer

Chantilly, VA

$53.50 - $73.50/hr

Java Software Engineer LOCATIONChantilly, VA 20151 CLEARANCETS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARYWe are seeking a skilled and passionate Java ...

Java Software Engineer

Annapolis Junction, MD · On-site

$56.75 - $78/hr

Java Software Engineer You will join a team of other prototype software developers to create an API backend for a new web-based tool with React front-end used to store, catalog, and search data. Must ...

Principal Java Developer

Bethesda, MD · On-site

$131K - $237K/yr

Leidos has an exciting opportunity for a Principal Java Developer in our Intel Security Sector ... Participates in software programming initiatives, shaping backend architecture, mentoring team ...

Java Software Engineer

Ashburn, VA · On-site

$53 - $72.50/hr

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 ...

Leidos has an exciting opportunity for a Principal Java Developer in our Intel Security Sector ... Participates in software programming initiatives, shaping backend architecture, mentoring team ...

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Trainee Principal Java Software Engineer information

What are the key skills and qualifications needed to thrive as a Trainee Principal Java Software Engineer, and why are they important?

To excel as a Trainee Principal Java Software Engineer, you need a strong background in Java programming, software architecture, and a relevant degree in computer science or a related field. Familiarity with development tools like IntelliJ IDEA, build systems (Maven/Gradle), and frameworks such as Spring is typically required, along with an understanding of version control systems like Git. Leadership potential, excellent problem-solving abilities, and effective communication are critical soft skills for mentoring junior engineers and collaborating on complex projects. These skills and qualifications ensure you can design robust solutions, guide technical teams, and drive successful software delivery.

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

AspectTrainee Principal Java Software EngineerPrincipal Java Software Engineer
Experience LevelEntry-level to early careerSenior-level with extensive experience
CertificationsTypically none or basic Java certificationsAdvanced certifications like Oracle Certified Professional
Work EnvironmentLearning-focused, mentorship programsLeadership roles, strategic project involvement
ResponsibilitiesAssisting in development, learning best practicesDesigning systems, leading projects, mentoring

The Trainee Principal Java Software Engineer is an entry-level role focused on learning and supporting development tasks, while the Principal Java Software Engineer is a senior expert responsible for architecture, leadership, and strategic technical decisions. The roles differ mainly in experience, responsibilities, and level of independence within Java development teams.

What is a Trainee Principal Java Software Engineer?

A Trainee Principal Java Software Engineer is an entry-level professional learning to take on the responsibilities of a Principal Java Software Engineer. This role involves gaining advanced knowledge of Java programming, software architecture, and leadership skills. Trainees work under the guidance of senior engineers to design, develop, and oversee complex software projects. The position serves as a pathway to becoming a Principal Engineer, focusing on both technical expertise and team leadership.

What are the typical responsibilities and learning opportunities for a Trainee Principal Java Software Engineer during the first year in the role?

As a Trainee Principal Java Software Engineer, your initial responsibilities often include collaborating with senior engineers on large-scale Java projects, participating in code reviews, and assisting with architectural decisions. You'll be expected to quickly deepen your understanding of advanced Java frameworks, design patterns, and system integration techniques. The role provides significant learning opportunities, including mentorship from experienced leaders, exposure to best practices in software architecture, and involvement in technical decision-making processes. This experience helps you build the skills needed to transition into a fully-fledged Principal Java Engineer.
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:

Principal Java Developer - FS Poly

stanleyreid

Annapolis Junction, MD • Hybrid

Full-time

Medical, Retirement, PTO

Posted 24 days ago


Job description

Who We Are
Stanley Reid is a specialized recruiting firm connecting top contractors with exciting IC/DoD opportunities. We're dedicated to a personalized, stress-free job search, matching your unique skills and goals with the perfect role.
About Our Client
Founded by engineers, our client has spent over 15 years building tailored software and IT solutions. They create "good technology" that's user-friendly, valuable, and ethical. They also invest in their people with competitive pay and great benefits, including fully-paid medical, a 10% 401k match, generous PTO, and flexible work. Join a supportive team where your unique skills make a real impact.
The Role
Our client is seeking a Principal Java Developer to join a skilled team delivering custom software solutions to the Intelligence Community. You will be responsible for developing, maintaining, and enhancing complex software systems, with a focus on cutting-edge projects involving advanced sensor technology. This role offers the opportunity to work in a flexible, supportive environment while contributing to high-impact, mission-critical systems.
What You'll Bring
BS and 14+ years of relevant experience
Recent Java software development experience
Proficiency with the Java ecosystem, including Maven, Apache Foundation, and Spring Boot
Experience with cloud computing platforms like AWS, Azure, or GCP
Knowledge of Microservices Architecture
Familiarity with DevOps and CI/CD practices
Proficiency in writing test cases with frameworks like JUnit and Mockito
Strong skills in system design and architecture
Clearance Requirements
TS/SCI with FS Polygraph is required. We are not able to upgrade clearances or accept CCAs. Please note, you must have the required clearance for consideration; under-cleared applicants will not receive a response.
Location
Annapolis Junction, MD
Ready for Next Steps?
We encourage you to apply and connect with us even if a direct match isn't currently listed. Apply online at https://careers.stanleyreid.com/ or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com.
Please Note
Due to high application volume, we are unable to confirm receipt of submissions or provide updates. We will contact you directly if there is a match. Opportunities change frequently; We cannot guarantee availability.
Posted on 08/28/2025