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Freelance Junior Java Developer Jobs in Washington

Senior Java Developer

Sterling, VA · On-site

$56.75 - $72.25/hr

  • Medical

  • Retirement

  • PTO

Mentor and provide guidance to junior and mid-level developers, fostering their professional growth ... Java Development Experience: In-depth knowledge and hands-on experience in Java programming ...

Scalence L.L.C. is seeking an experienced Java Lead Developer to design, develop, and lead ... junior and mid-level developers. • Participate in requirement analysis and translate business ...

Senior Java Developer

Washington, DC

$64.75 - $82.75/hr

... Java developers to work on various initiatives within the MyBlue Customer eService & Digital ... junior resources and enforcing software development best practices Operational support and ...

Senior Java Developer

Sterling, VA · On-site

$57 - $72.50/hr

Job Summary : TechWish is seeking a Senior Java Developer to design and develop software ... junior/mid-level developers. • All other duties as assigned or directed. Qualifications

Description SAIC is currently seeking a motivated, career and customer-oriented Full-Stack Java Developer (Junior) to join our team to begin an exciting and challenging career in Ashburn, VA. This ...

As a member Java Developer focused on Web Service you'll be part of newly formed Scrum teams ... Must have worked in the Scrum/Agile Model Ability to coach and mentor junior developers as well as ...

Senior Full Stack Java Developer

Arlington, VA · Remote

$125K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mentor junior developers and contribute to development best practices Technical Environment * Java/J2EE (Java 8 and 17) * Spring Boot * Hibernate/JPA * Angular / React * REST APIs * Kafka / RabbitMQ

Urgent Need JAVA Developer

Washington, DC

$57.75 - $74.75/hr

Java Developer Location: Washington, DC (Local or Nearby) Duration: 6-12 Months Tasks Requisition ... junior resources and enforcing software development best practices Operational support and ...

Need SR JAVA Developer

Washington, DC · On-site

$57.75 - $74.75/hr

Position title: Sr. Java Developer Location: Washington, DC (Locals and ready to attend F2F ... more junior resources and enforcing software development best practices Required Skills: This ...

Mentor junior software engineers. Skills: * Java/JEE. * Spring MVC. * Spring Batch. * Spring Boot. * Spring Integration. * Spring Security. * Hibernate. * MyBatis. * AngularJS. * REST and SOAP Web ...

Showing results 41-60

Freelance Junior Java Developer information

What is a freelance junior Java developer?

A Freelance Junior Java Developer is an entry-level programmer who works independently on a contract basis, specializing in Java development. They typically handle coding, debugging, and basic software tasks for clients rather than being employed full-time by a single company. Freelance junior developers often work on smaller projects or assist senior developers, allowing them to gain experience and build their portfolios. This role requires a solid understanding of Java fundamentals and the ability to adapt to different project requirements.

What are the key skills and qualifications needed to thrive as a freelance junior Java developer, and why are they important?

To thrive as a Freelance Junior Java Developer, you need a solid grasp of Java programming, basic software development principles, and a relevant degree or coursework in computer science. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and an understanding of basic frameworks like Spring Boot are typically required. Strong problem-solving abilities, effective time management, and clear communication make you stand out when collaborating remotely with clients. These skills and qualities are essential to deliver reliable code, meet project deadlines, and build lasting professional relationships as a freelancer.

What are some common challenges freelance junior Java developers face when starting out, and how can they overcome them?

Freelance junior Java developers often face challenges such as finding consistent projects, adapting quickly to different client codebases, and managing their own schedules and client communications. Building a strong online portfolio and actively networking in developer communities can help attract more clients. Additionally, setting clear expectations with clients and continuously improving technical and soft skills are key to overcoming early hurdles and building a successful freelance career.

What is the difference between Freelance Junior Java Developer vs Junior Java Developer?

AspectFreelance Junior Java DeveloperJunior Java Developer
Work EnvironmentIndependent, remote or contract-based projectsFull-time employment in a company or organization
CredentialsTypically requires basic Java knowledge, some coding experienceOften requires a degree or certification in computer science or related field
Employer & Industry UsageClients across various industries, project-basedEmployers in tech, finance, or enterprise sectors
Work ScopeLimited to specific projects, flexible hoursPart of a team, involved in ongoing development tasks

In summary, a Freelance Junior Java Developer works independently on short-term projects, often remotely, with flexible hours and minimal formal employment ties. In contrast, a Junior Java Developer is typically employed full-time within a company, working as part of a team on continuous development tasks, often requiring formal education or certifications.

What are popular job titles related to Freelance Junior Java Developer jobs in Washington?

For Freelance Junior Java Developer jobs in Washington, the most frequently searched job titles are:

Senior Java Developer

CACI International, Inc.

Sterling, VA • On-site

$56.75 - $72.25/hr

Full-time

Medical, Retirement, PTO

Re-posted 17 days ago


Job description

Job Title: Senior Java Developer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
Anticipated Posting End: 10/3/2026
The Opportunity:
  • Contribute to the design and architecture of scalable and robust Java applications via best practices and industry standards
  • Develop strategic vision and product development roadmaps
  • Collaborate with cross-functional teams, including product owners, designers, and other developers
  • Mentor and provide guidance to junior and mid-level developers, fostering their professional growth
  • Conduct code reviews to maintain code quality, performance, and maintainability
  • Investigate and resolve complex technical issues, identifying opportunities for optimization and enhancement
  • Collaborate with stakeholders to understand business objectives and provide technical expertise and solutions
  • Stay up to date with emerging technologies, and industry advancements, sharing knowledge and best practices

Responsibilities:
  • Java Development Experience: In-depth knowledge and hands-on experience in Java programming language, including advanced topics such as design patterns, data structures, and algorithms.
  • Proficiency in developing graphical user interfaces (GUIs) using Java Swing, including experience with layout managers, event handling, and custom components
  • Software Architecture and Design: Strong understanding of software architecture principles, ability to design scalable and maintainable solutions, and proficiency in applying architectural patterns
  • Frameworks and Technologies: Expertise in Java frameworks like Spring, Spring Boot, Hibernate, Java EE plus experience with related technologies like Web Services (RESTful and SOAP), messaging frameworks, and caching mechanisms
  • Build Tools Experience: Experience with Gradle and Maven for project build automation, dependency management, and plugin configuration.
  • DevOps Practices: Experience setting up and maintaining CI/CD pipelines in GitLab, including configuration of build, test, and deployment stages.
  • Database Integration and Performance Optimization: Proficiency in working with relational and non-relational databases (e.g., MongoDB, Cassandra), writing efficient SQL queries, and optimizing database performance
  • Containerization: Proven experience with containerization platforms (Docker, Podman, Kubernetes) and designing/implementing containerized architectures
  • Knowledge of and experience using Linux
  • Security practices and familiarity with authentication, authorization, and encryption mechanisms

Qualifications:
Required:
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field or equivalent work experience. Demonstrated experience may be accepted in lieu of a degree.
  • Must hold a current Top Secret Security Clearance (TS/SCI) with a recent (7 years or less) polygraph
  • 7+ years of professional experience in Java development or related roles
  • Proven track record of delivering complex, enterprise-level Java projects
  • Experience with Java, Java Swing, Gradle, and CI/CD Pipelines.
  • Strong leadership and communication skills, with the ability to effectively collaborate with cross-functional teams and stakeholders

Desired:
  • Experience with bit level manipulation and visualization
  • Artifactory Familiarity: Familiarity with Artifactory for managing and distributing binary artifacts, including repository setup, artifact promotion, and integration with build tools and CI/CD pipelines.
  • Agile Methodologies: Experience working in Agile development environments, using methodologies such as Scrum or Kanban, and familiarity with related tools (e.g., Jira, Confluence)

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$90,300-$189,600
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.