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Contract Java Developer Startup Jobs in Washington

CACI International, Inc.

Senior Java Developer

Sterling, VA · On-site

$56.75 - $72.25/hr

Senior Java Developer Job Category: Information Technology Time Type: Full time Minimum Clearance ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Bart and Associates, Inc

Java Developer

Ashburn, VA · On-site

$52.25 - $67.50/hr

B&A is looking for a mid-level Java Developer to join a contract with a federal government client in support of an important mission. In this role, you will have the opportunity to work with a great ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... Contract Compensation: Negotiable, W-2 or C2C Responsibilities * Develop APIs using microservice ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... Contract Compensation: Negotiable, W-2 or C2C Responsibilities * Develop APIs using microservice ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... Contract Compensation: Negotiable, W-2 or C2C Responsibilities * Develop APIs using microservice ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... Contract Compensation: Negotiable, W-2 or C2C Responsibilities * Develop APIs using microservice ...

SprezzMC

Associate Java Developer

Arlington, VA · On-site

$90K - $100K/yr

Associate Java Developer Location: Hybrid (2-3 days per week) / Onsite (Sprezzatura HQ Arlington ... contract requirements. Geographic salary ranges are determined in accordance with the company ...

Karsun Solutions LLC

Java Developer

Arlington, VA · On-site +1

$58.75 - $76/hr

Our portfolio of long-term contracts help transform business enterprises. Our Innovation Center ... Engineering/ Information Systems/Information Technology or related Field. * 7-9 years of Java/J2EE ...

Karsun Solutions LLC

Java Developer

Arlington, VA · On-site

$58.75 - $76/hr

Our portfolio of long-term contracts help transform business enterprises. Our Innovation Center ... Engineering/ Information Systems/Information Technology or related Field. * 7-9 years of Java/J2EE ...

BTree Solutions, Inc.

FULLSTACK JAVA DEVELOPER

Mclean, VA · On-site

$53.50 - $69/hr

USC, GC, H1B and EAD Contract Type: W2 Must Have AWS * Senior Full Stack Engineer with expertise in Java, Spring Batch, Spring, Spring Batch, and Hibernate. * Proficient in Angular 15+, JavaScript ...

TecTammina

Mid-Level Java Developer

Rockville, MD

$52 - $67.25/hr

Sun/ Oracle Certified Java Programmer desirable Additional Information Job Status ... Contract-to-Hire (C2H) Eligiblity: GC or US Citizens Share the Profiles to mahesh(at)tammina.com ...

USM

Sr. Java Developer

Chantilly, VA · On-site

$58.50 - $74.75/hr

Company Description Contract Title: Sr. Java Developer Location: Washington, DC Locals to DC/MD/VA only Direct 1 step F2F Length: 12+Months TOP SKILLS: Core Java, Angular JS, web services, Oracle ...

ASRC Federal Holding

Senior Java Developer

Reston, VA · On-site

$59.50 - $76/hr

... a Java Developer with experience in building high-performing, scalable, enterprise-grade ... Must be a US Citizen to meet contract requirements. Public Trust preferred. * Ability to ...

Peraton

Mid Java Developer

Columbia, MD

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Mid Java Developer

Columbia, MD

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

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All JobsContract Java Developer Startup JobsContract Java Developer Startup Jobs in Washington

Contract Java Developer Startup information

What are some common challenges Contract Java Developers face when working at startups, and how can they prepare for them?

Contract Java Developers at startups often face fast-paced environments with shifting priorities and limited documentation. Adapting quickly to new codebases, collaborating with small, cross-functional teams, and managing ambiguity are frequent challenges. To prepare, developers should brush up on agile methodologies, familiarize themselves with popular Java frameworks, and be proactive in communicating with stakeholders. Demonstrating flexibility and strong problem-solving skills will help ensure a successful contract period.

What are the key skills and qualifications needed to thrive as a Contract Java Developer at a startup, and why are they important?

To excel as a Contract Java Developer in a startup environment, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development lifecycles, usually supported by relevant experience or a computer science degree. Familiarity with frameworks like Spring Boot, version control systems (e.g., Git), build tools (e.g., Maven or Gradle), and cloud platforms is often required. Outstanding problem-solving ability, adaptability, and clear communication skills help you collaborate effectively and respond to rapidly changing project needs. These skills and qualities enable you to deliver robust, scalable solutions quickly and efficiently, which is critical in the fast-paced, resource-constrained startup setting.

What does a Contract Java Developer do at a startup?

A Contract Java Developer at a startup is responsible for designing, developing, and maintaining Java-based applications on a temporary basis, usually to help accelerate specific projects or fill short-term talent gaps. They often work on building scalable backend systems, integrating APIs, and ensuring the product can rapidly evolve as the startup grows. Their work may also involve troubleshooting, optimizing performance, and collaborating closely with other developers, designers, and product managers. Because startups are fast-paced environments, contract developers are expected to adapt quickly and deliver results within tight deadlines.

What is the difference between Contract Java Developer Startup vs Contract Java Developer Enterprise?

AspectContract Java Developer StartupContract Java Developer Enterprise
CredentialsJava certification, relevant experienceJava certification, relevant experience
Work EnvironmentFast-paced, innovative, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech, e-commerceLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

The main difference between a Contract Java Developer Startup and a Contract Java Developer Enterprise lies in the work environment and company size. Startups typically offer a dynamic, fast-paced setting with smaller teams, while enterprises provide a more structured environment with larger teams and formal processes. Both roles require similar credentials and are sought after by companies in different industry sectors.

What are the most commonly searched types of Java Developer Startup jobs in Washington? The most popular types of Java Developer Startup jobs in Washington are:
What are popular job titles related to Contract Java Developer Startup jobs in Washington? For Contract Java Developer Startup jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Contract Java Developer Startup jobs in Washington look for? The top searched job categories for Contract Java Developer Startup jobs in Washington are:
What cities in Washington are hiring for Contract Java Developer Startup jobs? Cities in Washington with the most Contract Java Developer Startup job openings:
Contract Java Developer Startup jobs near you
Infographic showing various Contract Java Developer Startup job openings in Washington as of July 2026, with employment types broken down into 1% As Needed, 63% Full Time, 21% Part Time, 1% Temporary, and 14% Contract. Highlights an 78% Physical, 5% Hybrid, and 17% Remote job distribution.
Senior Java Developer

Senior Java Developer

CACI International, Inc.

Sterling, VA • On-site

$56.75 - $72.25/hr

Full-time

Medical, Retirement, PTO

Re-posted 13 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: 8/1/2026
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.

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