Simulation Developer MANTECHSimulation DeveloperQuantico, VAIntegrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight.
Entry Level Data Analyst/Scientist (Remote)/Junior Java Developer SynergisticITEntry Level Data Analyst/Scientist (Remote)/Junior Java DeveloperWashington, DCRemote$90,000–$154,000 / yearThey're filtered by ATS systems, keyword screening, and recruiters looking for job-ready signals—specific stacks, strong project depth, relevant certifications, and clear experience narratives. Since 2010 , SynergisticIT has helped candidates land full-time roles at organizations such as Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Walmart Labs, Client, Banking, Client, Client , and hundreds more.
Java Developer Junior Science Applications International CorpJava Developer JuniorAshburn, VASAIC is currently seeking a motivated, career and customer-oriented Java/JEE Developer (Junior) to join our team to begin an exciting and challenging career in Ashburn, VA. At least 2 years of Java/JEE design and software development experience including designing, developing, and documenting large-scale enterprise software systems.
NewSenior Java Developer ITCON ServicesSenior Java DeveloperVienna, VAExperience supporting applications hosted on Amazon Web Services (AWS), including troubleshooting issues involving AWS S3, RDS, EFS, cloud-hosted repositories, application deployments, backups, and environment configuration across Development, UAT/Pre-Production, Production, and Disaster Recovery environments. Experience developing and maintaining technical design documentation, release notes, Version Description Documents, source code documentation, test plans, test scripts, test results, and deployment instructions in accordance with Agile SDLC and configuration management processes.
NewJr. Java Developer - FS Poly stanleyreidJr. Java Developer - FS PolyAnnapolis JunctionApply online at https://careers.stanleyreid.com/ or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. Our client is seeking a Junior Java Software Engineer to join a team developing new and enhancing existing capabilities, primarily using Java.
Sr. Java Developer ITCON ServicesSr. Java DeveloperVienna, VAMinimum 6-8 years of experience of development with J2EE, JavaScript, Red Hat Enterprise Linux, Java Development Kit, Apache HTTP Server, JSP, Oracle, jQuery, Bootstrap, Windows Server, Microsoft Azure and AWS Cloud services, SiteMinder, WebSphere, Maven, Git/Bitbucket, J2EE security. Minimum of four (4-6) years of experience with the following frameworks/technologies: JPA/Hibernate, SOA and web service technologies, Spring framework, and web development (HTML, JavaScript, jQuery, CSS, and Custom Tags).
Java Developer ITCON ServicesJava DeveloperVienna, VAMinimum 5 years of experience with J2EE, Apache Struts2 framework, Spring Framework, jQuery JavaScript, Red Hat Enterprise Linux, Java Development Kit, Apache HTTP Server, Apache Tomcat, JSP, Microsoft SQL Server, jQuery, Bootstrap, Windows Server, SiteMinder, WebSphere, Maven, Git/Bitbucket, J2EE security, CI/CD. Minimum of four (4) years of experience with two or more of the following frameworks/technologies: JPA/Hibernate, SOA and web service technologies, Struts framework, Spring Framework, and web development (HTML, JavaScript, jQuery, and CSS, Custom Tags).
Java Backend Developer Senior Science Applications International CorpJava Backend Developer SeniorAshburn, VAWorking closely with the tech lead and senior developers, the Mid-Level Java Developer will participate in the system architecture design, systems engineering, development, integration testing and validation, and all aspects of the software life-cycle (requirements to design to implementation to test) for a java backend application involving extensive messaging and transaction processing. Proficient in applying core Java programming skills and using popular 3rd-party libraries to interpret data mappings and organize information for processing large-scale datasets across various representation formats such as relational databases, NoSQL Databases, XML, JSON, and raw flat files.
Java Developer Jr Technology Consultants IncJava Developer JrAshburn, VAThe work experience should include supporting Java applications and associated frameworks such as Spring and Spring Boot. · Experience working in an Agile team development environment using Jira or a similar tool. The ideal candidate will be able to work independently and in coordination with other team members and other intersecting teams, and enjoy learning new technologies and business areas.
Jr. Java Developer CGI IncJr. Java DeveloperFairfax, VANTKN=c&clid=21001&Page=JobDetails&Jobid=J0626-2177&BRID=1311537〈=1 from 43.228.92.154 on June 26 2026, 00:37:16 UTC. If you are attempting to access this site using an anonymous Private/Proxy network, please disable that and try accessing site again.
Senior Java Developer CACISenior Java DeveloperSterling, VirginiaFrameworks 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. 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.
Full Stack Java Developer CACIFull Stack Java DeveloperAshburn, VirginiaCACI 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! 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.
Lead Java Developer Artech LLCLead Java DeveloperMcLean, VA$100 / hourThe ideal candidate will be responsible for technical leadership, system design, code quality, and mentoring a team of developers while working closely with architects, product owners, and stakeholders. We are looking for an experienced Java Lead Developer to design, develop, and lead enterprise-grade applications.
Java Developer Sprezzatura Management Consulting LLCJava DeveloperArlington, VASprezzatura participates in E-Verify and will provide the federal government with your I-9 information to confirm that you are authorized to work in the U.S. Sprezzatura is a mission-driven, Service-Disabled Veteran-Owned Small Business (SDVOSB) that thrives at the intersection of technology, innovation, and impact. The primary focus of this role is enterprise Java application development utilizing legacy technologies while contributing to modernization efforts leveraging Spring Boot, microservices, and API-driven architectures.
Senior Java Developer Pyramid, IncSenior Java DeveloperMcLean, VAFull timeAPI/Microservice Development leveraging Java/JEE Spring Framework Docker AWS Jenkins Linux Environment Middleware Exposure to Go and Kubernetes Operations Our client is a leading Banking and Financial Industry and we are currently interviewing to fill this and other similar contract positions. Clearly document and diagram deployment-specific aspects of architectures and environments, working closely with Software Engineers of Consumer Clients, Cloud Engineering Teams, and others in DevOps.
Java Developer (API) INSPYR SolutionsJava Developer (API)Vienna, VARemote$55–$60 / hourInformation collected and processed through your application with INSPYR Solutions (including any job applications you choose to submit) is subject to INSPYR Solutions’ Privacy Policy and INSPYR Solutions’ AI and Automated Employment Decision Tool Policy: https://www.inspyrsolutions.com/policies/ . By always striving for excellence and focusing on the human aspect of our business, we work seamlessly with our talent and clients to match the right solutions to the right opportunities.
Full Stack Developer / Java Developer LCGFull Stack Developer / Java DeveloperRockville, MarylandWorking experience with Docker and similar Containerization methods, knowledge of Web design patterns and front-end technologies like HTML5, jQuery, and MVC framework like spring and Spring Boot. Working experience in developing web services using HTTP REST/JSON and SOAP, Oracle PL/SQL, knowledge of data transfer objects and associated design patterns.
Java Developer/Tester StratAcuity Staffing Partners IncJava Developer/TesterManassas, VA$60–$110 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. This includes hands-on experience writing unit and component tests for code not originally authored by the candidate, and a combined total of 3+ years in Linux, scripting/software development, and configuration management.
Full Stack Java Developer CACI International IncFull Stack Java DeveloperAshburn, VA$103,800–$218,100 / yearThe 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! 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.
Senior Java Developer CACI International IncSenior Java DeveloperSterling, VA$90,300–$189,600 / yearFrameworks 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. 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.
NewSr Java Developer(back-end development) with Min 16yrs exp (In Person Interview) (ONSITE_only local to DMV Area) Advanced American Technologies, IncSr Java Developer(back-end development) with Min 16yrs exp (In Person Interview) (ONSITE_only local to DMV Area)SE Washington, DCSkill Matrix Experience with Business workflow processes Required / Desired Amount of Experience Years of Experience Experience with core JAVA development with strong back-end development Required 10 Years JAVA Annotations, Generics, Reflection, Inheritance, OO Design, NIO, Bean Validation Required 5 Years Spring Boot Application Development Experience Required 3 Years Spring Java Config, Dependency Injection, Autowiring Concepts Required 3 Years Spring Integration Development Experience Required 3 Years Spring Web Services Development Experience Required 3 Years 16+ yrs. preparing complex technical documentation Required 3 Years Synchronous and Asynchronous programming experience Callbacks, Future, Timeout and Error Handling Required 3 Years Experience with MAVEN Project Build experience Required 3 Years Experience with GIT version control repository Required 3 Years Experience with Tomcat/Jetty/undertow Application Servers Required 3 Years Experience with LINUX working environment Required 3 Years Experience with JIRA Issue tracker Required 0 16+ yrs.
Senior Java Developer CyberMedia TechnologiesSenior Java DeveloperWashington, DCResponsible 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. Experience with Java 8 and 11; Familiarity with any of the following: JDBC, Hibernate (or other ORM), JavaScript, XML, JSON, Web-Services (JAX-WS or JAX-RS), JBoss, Eclipse/VSCode, Docker/containerization, maven, junit, and shell scripting.
NewFull Stack Java Developer with TS/SCI Clearance & Full Scope Polygraph-Onsite in Annapolis Jct, MD Booker DiMaio, LLCFull Stack Java Developer with TS/SCI Clearance & Full Scope Polygraph-Onsite in Annapolis Jct, MDAnnapolis Junction, MDFull timeSupport will focus on development and sustainment of a tool that tracks, administers, and archives requests for mission-critical published intelligence reports used by the Intelligence Community and partners around the world. We have an immediate need for a Full Stack Developer to support Reporting Tool Suite Sustainment efforts.
Java Developer CSIJava DeveloperChantilly, VirginiaResponsibilities include: identify system scope and objectives; determine system equipment capacity, operating parameters, and throughput; prepare detailed specifications; design, code, test, and debug; perform quality assurance reviews; contribute to development of security authorization documentation; represent program in design reviews and demonstrations; and mentor junior developers. Our expertise in Data/Information, IT Services/Applications, Cybersecurity/Information Assurance, and Counterintelligence/Insider Threats enables us to effectively operate from the C-Suite to the Dev-Suite working with partners and clients to solve the most difficult challenges.
Java Developer with AWS CSIJava Developer with AWSChantilly, VirginiaResponsibilities include: identify system scope, objectives, requirements, and specifications for the system, data, and interfaces; design, code, test, and debug single-threaded or user interface event driven applications; perform quality assurance reviews; contribute to development of security authorization documentation; document software requirements, functional design, flowcharts, and diagrams; represent program in design reviews and demonstrations; and mentor junior developers. Cloud: Amazon Web Services (e.g., Commercial and Government Cloud Services for DoD and IC, EMR w/Spark and RDS, EC2, EBS, S3, Route 53, RDS, VPC, ELB, CloudWatch, CloudFormation, CloudTrail, Blue Green deployment, Auto scaling, Trusted Advisor, Identity & Access Management, Simple Notation Service, Billing Console).
Senior Full Stack Java Developer CDITSenior Full Stack Java DeveloperAshburn, VirginiaResponsible 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. Additionally, familiarity with any of the following is highly desirable: HTML, React, Spring, VMware, ETL tools, ESB, message queuing, application security, automated testing, UML, VersionOne, Jira, or Sparx Enterprise Architect, PostGres, Aurora.
Senior Java Developer StratAcuity Staffing Partners IncSenior Java DeveloperVienna, VA$150,000–$195,000 / yearIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Job Description: Essential Functions, Responsibilities & Duties may include, but are not limited to: Accurately represent customer requirements, i.e., gather and interpret relevant data and information, using excellent listening, interpersonal, written, and oral communication skills.
NewSenior Java Developer Dhaka Technologies Limited CompanySenior Java DeveloperWashington, DCDhaka Technologies Limited is hiring on behalf of a client, a District of Columbia government agency, that will be modernizing its Enterprise Application "Destiny" project to leverage new digital technologies such as cloud computing, data analytics, artificial intelligence, and mobile that are required to create a modern experience for the agency’s customers and partners. The Senior Java Developer position requires in-depth knowledge of Java and J2EE background using Spring Technologies framework, design, and architectural styles / APIs (REST/RPC) and Agile methodologies for the development of application programs.
Java Developer in Fort Meade, MD (Active TSSCI) The Fountain Group LLCJava Developer in Fort Meade, MD (Active TSSCI)Fort Meade, MDFamiliar with FOSS/GOTS - Cloud Experience: shall have one (1) year demonstrated work experience with full stack development -- front-end, API and backing datastores. Design, develop and modify software systems using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
NewSoftware Engineer--Java Developer Red Arch SolutionsSoftware Engineer--Java DeveloperAnnapolis Junction, MDFull timeDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on Windows-based VMware infrastructure.
Full Stack Java Developer :: Washington, DC (Remote) ARK Solutions, Inc.Full Stack Java Developer :: Washington, DC (Remote)Washington, DCRemoteEffective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. Experience with test automation in unit tests, functional tests, regression tests, and performance tests.
Sr. Java Developer HalvikSr. Java DeveloperGreenbelt, MDFull timeThe successful candidate will become an integral part of our IT solutions team of developers, database and systems administrators in support the NASA SEWP Program Management Office, a multi-award government acquisition contract focused on commercial IT products and product based services. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government.
Java Developer (API) StratAcuity Staffing Partners IncJava Developer (API)Merrifield, VARemote$65–$70 / hourIn terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. This role is ideal for developers who enjoy owning services end-to-end, building systems from scratch, and solving complex technical challenges in a distributed, remote environment.
Java Developer PeopleNTech LLCJava DeveloperAlexandria, VA$60–$65 / hourJava Developer- Focus on Backend and API 5+ years of Software Engineering experience, 5+ years of experience in Application Development using Java and Microservices, Rest API . 2+ years of experience in Migrating Applications to Cloud such as Google, Azure, or PCF.
Full Stack Java Developer KeyLogic, LLCFull Stack Java DeveloperAlexandria, VARemoteFull timeWe are seeking an experienced Full Stack Java Developer to support a mission-critical federal program with the United States Patent and Trademark Office (USPTO). This role is part of a high-performing Agile DevSecOps team building and enhancing next-generation applications in a secure, cloud-enabled environment.
11+ Years Senior JAVA Developer - Washington DC (In-person interview) AHU Technologies11+ Years Senior JAVA Developer - Washington DC (In-person interview)Washington, District of ColumbiaResponsibilities: The Senior JAVA Developer position requires in-depth knowledge of JAVA and J2EEbackground using with Spring Technologies framework, design, and architectural styles /API’s (REST/RPC) and Agile methodologies for the development of application programs. Role: Senior JAVA Developer Client: DC Government Location: Washington DC (Onsite) Job Description: he role will require you to design, develop and test using JAVA technologies which will facilitate application development and implementation from development to QA to production.
Entry level Java spring boot developer/ data scientist SynergisticITEntry level Java spring boot developer/ data scientistFairfax, VASynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers . Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.
Entry Java/MERN Developer Finance/Banking Sector (AWS) SynergisticITEntry Java/MERN Developer Finance/Banking Sector (AWS)College Park, MD$90,000–$154,000 / yearSynergisticIT works with clients hiring for entry-level software programmers, Java full stack developers, Python/Java developers, data analysts, data engineers, data scientists, and machine learning engineers . Ideal candidates for interview-focused support include: recent grads with limited experience, candidates stuck after multiple interviews, professionals returning after layoffs, candidates with career gaps.
Associate Application Programmer / Java Developer Revolutional, LLCAssociate Application Programmer / Java DeveloperWashington, DCRemote$75,000–$100,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. The role includes conducting software analysis, programming, debugging, implementing unit tests, remediating SonarQube findings, and developing technical documentation.
Application Programmer / Java Developer Revolutional, LLCApplication Programmer / Java DeveloperWashington, DCRemote$110,000–$160,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. The role includes conducting software analysis, programming, debugging, implementing unit tests, remediating SonarQube findings, and developing technical documentation.
NewSenior Application Programmer / Java Developer Revolutional, LLCSenior Application Programmer / Java DeveloperWashington, DCRemote$130,000–$185,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. The role includes conducting software analysis, programming, debugging, implementing unit tests, remediating SonarQube findings, and developing technical documentation.
NewPrincipal Java Developer Bright Vision TechnologiesPrincipal Java DeveloperHerndon, VARemoteFull timeDesign and implement RESTful APIs and event-driven integrations that connect distributed backend systems, defining clear contracts, versioning strategies, and error-handling semantics to ensure smooth interoperability between services. The successful candidate will bring deep backend expertise in Java and the Spring ecosystem, combined with strong hands-on experience building responsive, component-driven front-end applications using modern JavaScript frameworks.
NewFull Stack Java Developer (SIGN-ON BONUS!!) - TS/SCI with Polygraph GD Information TechnologyFull Stack Java Developer (SIGN-ON BONUS!!) - TS/SCI with PolygraphChantilly, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
NewSenior Java Developer Global Dimensions, LLCSenior Java DeveloperReston, VAIn this role, you will lead the planning and execution of technology stack upgrades across enterprise applications, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, Oracle 19c, and Java/Python-based applications running on Windows VMware infrastructure . The successful candidate will collaborate closely with software developers, database engineers, infrastructure teams, cybersecurity personnel, and business stakeholders to ensure successful system modernization with minimal operational disruption.
Senior Java Developer ICONMA, LLCSenior Java DeveloperReston, VA$53.57 / hourOur Client, an IT Services and Consultant company, is looking for a Senior Java Developer for their Reston, VA/ Hybrid location. AWS services (S3, SQS, SNS,ECS, Lambda, AWS Cloud watch etc.).
Java Developer ICONMA, LLCJava DeveloperMcLean, VA$80.39 / hourProblem-Solving : Strong analytical skills with proven ability to rapidly assess complex situations, make sound technical decisions, and implement effective solutions under pressure. Ownership & Drive : Self-motivated engineer who takes complete ownership of deliverables, proactively identifies process improvements, and ensures successful project completion.
Java Developers (Mid-Senior) AmiveroJava Developers (Mid-Senior)WashingtonRemoteResponsible for activities associated with the 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. Working knowledge of: XML, JSON and SAML parsing; maven builds, and shell scripting; Application Configurations YAML, JSON, XML; Java Junit based unit testing.
NewCleared Sr. Java Developer SHINE SystemsCleared Sr. Java DeveloperWashington, DCYou will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on Windows-based VMware infrastructure. Strong knowledge of Oracle 19c database integration, SAP Business Intelligence reporting frameworks, secure coding practices, and upgrading and migrating Solr index data is essential.
NewSr. Java Developer Bigbear.aiSr. Java DeveloperWashington, Washington, DCFull timeThe ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software infrastructures in secure, regulated environments. You will collaborate with cross-functional teams, ncluding security, infrastructure, and business stakeholders, to ensure seamless upgrades with minimal operational disruption.
ETL Java Developer Leidos Holdings IncETL Java DeveloperBethesda, MD$69,550–$125,725 / yearThe candidate will provide technical expertise and support in the design, development, implementation and testing of customer tools and applications in support of Extracting, Transforming and Loading of data into an enterprise Data Lake. Primary Responsibilities: Building NiFi data pipeline design: Develop and implement enterprise-level ETL NiFi data pipelines for large-scale data ingestion, transformation, and processing from diverse sources.