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Freelance Java Spring Developer Jobs in Virginia

Senior Java /Webservices developer

Lorton, VA · On-site

$58 - $73.75/hr

As a member Java Developer focused on Web Service you'll be part of newly formed Scrum teams ... using Java, Spring, Hibernate, Web Services, SOAP, REST, JSON, SOA, Camel and other web ...

AWS Java Full Stack Developer

Mclean, VA

$53.75 - $69.50/hr

AWS Java Full stack Developer Location: McLean VA Experience: 12 Need Local o VA only Need Strong ... Design, develop, test, and deploy full stack applications using Java, Spring Boot, and related ...

New

Java Backend Lead Developer

Reston, VA · On-site

$52.75 - $68.25/hr

They are seeking a Java Backend Lead Developer to contribute to software application design, coding ... Required : • Experience in software development using Java, Spring Boot and Rest Webservices • ...

Senior Angular Programmer

Reston, VA · Hybrid

$59.50 - $76/hr

We are looking for a Senior Angular developer with strong Java Spring backend experience. We partner with 15 of the top 20 banks globally, and our top 10 banking clients have worked with us for an ...

Senior Java Developer

Fairfax, VA · On-site

$58.50 - $74.50/hr

Senior Java Developer Category: Software Development/ Engineering Main location: United States ... Authoring and reviewing web application code in Java, JavaScript, Spring framework, SQL, etc.

Senior Java Developer

Fairfax, VA · On-site

$58.50 - $74.50/hr

Senior Java Developer Category: Software Development/ Engineering Main location: United States ... Experience developing with Spring framework will be a significant advantage for a candidate. The ...

Required Skills: * 5 to 7 years of solid hands-on experience using Core Java, Spring Boot, Kafka/MQ, Microservice architecture. * Hands on experience with SQL, DB2/Sybase, including modelling and ...

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Showing results 1-20

Freelance Java Spring Developer information

What are the key skills and qualifications needed to thrive as a Freelance Java Spring Developer, and why are they important?

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by Freelance Java Spring Developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.

What is a Freelance Java Spring Developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

What are the most commonly searched types of Java Spring Developer jobs in Virginia? The most popular types of Java Spring Developer jobs in Virginia are:
What are popular job titles related to Freelance Java Spring Developer jobs in Virginia? For Freelance Java Spring Developer jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Freelance Java Spring Developer jobs in Virginia look for? The top searched job categories for Freelance Java Spring Developer jobs in Virginia are:
What cities in Virginia are hiring for Freelance Java Spring Developer jobs? Cities in Virginia with the most Freelance Java Spring Developer job openings:
Full Stack Java Developer

Full Stack Java Developer

CACI International, Inc.

Ashburn, VA • On-site

$53.75 - $69.25/hr

Full-time

Medical, Retirement, PTO

Posted 21 days ago


Job description

Job Title: Full Stack Java Developer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
CACI is currently looking for a Full Stack Developer with agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting Customs and Border Protection (CBP) client located in Northern Virginia! Join this passionate team of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security (DHS).
As a member of the BEAGLE ASF Team, you will support the men and women charged with safeguarding the American people and enhancing the Nation's safety, security, and prosperity. CBP agents and officers are on the front lines, every day, protecting our national security by combining customs, immigration, border security, and agricultural protection into one coordinated and supportive activity.
ASF programs thrive in a culture of innovation and are constantly seeking individuals who can bring creative ideas to solve complex problems, both technical and procedural at the team and portfolio levels. The ability to be adaptable and to work constructively with a technically diverse and geographically separated team is crucial. You should have worked with or have a strong interest in agile software development practices and delivering deployable software in short sprints.
Responsibilities:
Serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes. Responsible for:
  • Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversight
  • Acting as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team success
  • Providing improvements to the product(s) being supported
  • Actively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releases
  • Supporting release planning with conceptual design and development / refinement of software engineering guidelines
  • Analyzing complex project-related problems and creating innovative solutions involving, scheduling, technology, methodology, tools and solution components
  • Ensuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reports
  • Providing mentoring to junior members of the team

Qualifications:
Required:
  • Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria include but are not limited to:
    • 3 year check for felony convictions
    • 1 year check for illegal drug use
    • 1 year check for misconduct such as theft or fraud
  • College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline. Equivalent professional experience will be considered in lieu of degree
  • Professional Experience: at least seven (7) years related technical experience, with software design, development and implementation in a Windows Environment
  • Demonstrable professional experience with our tech stack: PostgreSQL, Java Spring Boot, Angular, microservices architecture, AWS.
  • In-depth knowledge of both the Angular Framework (TypeScript, Angular Material, state management), as well as experience creating RESTful services using Java and spring-boot.
  • Expert experience in the following programming languages/libraries: Java, Spring Boot, Angular, Typescript, JavaScript, CSS, and HTML.
  • Knowledge of creating Angular components, services, good understanding of state management and UI performance
  • Creating reusable libraries, develop interactive and responsive interfaces, implement complex solutions, encouraging quality code through conducting reviews/leading tests
  • Implement new features by transforming mockups into fully functional user interfaces integrated with API enabled microservice built on Spring Boot based backend
  • Demonstrated professional experience with developing SPA (Single Page Application) using a modern UI framework (Angular and Angular Material), backed by RESTful services
  • Bridge the gap between user interface design and technical implementation
  • Passion for user experience and user-centric development
  • Continuously research new and best coding practices
  • Optimize application for maximum speed and scalability
  • Strong communication skills that include leading design-related conversations, ability to build and nurture good relationships and foster an environment for collaboration
  • Object oriented design and development (OODD) expertise, Service Oriented Architecture (SOA).
  • Experience with source code control systems and concurrent development workflows (Git preferred)
  • Experience with SQL or PL/SQL Oracle, MySQL, or PostgreSQL Server databases a plus.
  • Understanding of all elements of the software development life cycle, including planning, development, requirements management, CM, quality assurance, and release management.
  • Local candidates must be onsite 1-2 days per week in Ashburn, VA

Desired:
  • Technical Certifications, such as AWS Certified Developer, AWS Certified Solutions Architect, OCP Java, etc.
  • Understanding of system architecture concepts and experience with system design (defining service building blocks, data flow, building systems with scalability, reliability, and maintainability in mind).
  • Additionally, familiarity with any of the following highly desirable: ETL tools, messaging tech such as Kafka, application security, automated testing, UML, state-management angular libraries such as NGRX or NGXS
  • DevOps experience/CI/CD pipeline.

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
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.
The proposed salary range for this position is:
$103,800 - $218,100
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.