Java Developer jobs in Rockville, MD

Washington, District of Columbia

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24d ago

BDR Solutions, LLC, (BDR) supports the U.S. Federal Government in successfully achieving its mission and goals. Our service and solution delivery starts with understanding each clients end-state, and then seamlessly integrating within each Agencys organization to improve and enhance business and technical operations and deployments. (Military Veterans are highly encouraged to apply) Role Overview: We areseekinga highly motivated and detail-oriented Java Developer to support the design, developme

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Full-time

75000 - 83,000

Senior Java Developer

Hybrid in Bethesda, Maryland

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11d ago

PLEASE NOTE: It is Hybrid Position at Bethesda, Maryland Should be able to visit and meet the client in Bethesda, MD. ROLE SUMNMARY: We are seeking a Senior Java Developer to design, build, and maintain enterprise applications.This role will lead technical implementation, mentor developers, and work with product, QA, and DevOps teams to deliver reliable, secure software. KEY RESPONSIBILITIES: Design and develop Java applications, REST APIs, and backend services using Spring Boot. Translate busin

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Full-time

Depends on Experience

Java Developer

Sterling, Virginia

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11d ago

We are looking for a Java Developer with strong Python and AWS and Flink/Kafkaand Claude experience to join our direct client s team. Responsibilities: Develop and enhance applications using Java and Python.Build and optimize cloud-based solutions on AWS.Collaborate with cross-functional teams in an onsite/hybrid setupEnsure best practices in coding, performance, and security.Required Skills: Strong experience in Java development.Proficiency in Python programming.Hands-on experience with AWS ser

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Full-time

Depends on Experience

Sr. Java Developer

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for a Sr. Java Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Disc

Full-time

USD 107,900.00 - 195,050.00 per year

Principal Java Developer

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for a Principal Java Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules

Full-time

USD 131,300.00 - 237,350.00 per year

Java Full Stack Developer - AWS Cloud Migration

Hybrid in Reston, Virginia

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Yesterday

Company Description Lumen SolutionsGroupInc. is a technology consulting Services Company based inFlorida. Weprovidea wide array of experienced business and IT professionals supporting clients from solution design to implementation and support.We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, EnterpriseTransformation. Job Title:Java Full Stack Developer - AWS Cloud Migration Location: Reston, VA Hybrid

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Contract

Depends on Experience

ETL Java Developer (SME)

Bethesda, Maryland

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Today

Leidos has a new and exciting opportunity for an ETL Java Developer (SME) in our Intelligence Sector's Analysis Solutions Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexi

Full-time

USD 154,050.00 - 278,475.00 per year

Senior Java Developer

Washington, District of Columbia

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Today

Requisition ID: 5317Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: Hybrid (On-Site and Remote)Shift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Senior Java Developer to modernize a critical government information system. The ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software

Full-time

Senior Java Developer

Reston, Virginia

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Today

Requisition ID: 5316Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: Hybrid (On-Site and Remote)Shift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Senior Java Developer to modernize a critical government information system. The ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software inf

Full-time

Java Developer

Hybrid in Ashburn, Virginia

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Today

Hi, Job Title: Java Developer Location: Ashburn, VA Duration: Longterm Description: 7+ yrs of Software Developer experience - core Java, Microservices architecture. Experienced with Java/J2EE, core Java, spring boot, spring reactive (Web flux) microservices. Build microservices in a high traffic environment. Implement multi threaded architecture in high performing platforms. 5+ years of experience building and exposing Rest APIs through a spring reactive microservice platform. Experienced

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Contract

Depends on Experience

Java Developer

Arlington, Virginia

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Today

We are seeking a hands-on Java Developer to help modernize enterprise applications and deliver scalable, cloud-native solutions that improve performance, resilience, and user experience. This role offers the opportunity to work across architecture, development, and technical leadership while supporting an AI-driven modernization initiative in a collaborative, fast-moving environment. Responsibilities Design, build, test, and support Java-based microservices, REST APIs, and event-driven applica

Full-time

USD 37.00 - 71.00 per hour

Java Developer Junior

Ashburn, Virginia

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Today

Job ID: 2618245 Location: Ashburn, VA, US Date Posted: 2026-10-21 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented junior-level Java/JEE Developer to join our team in Ashburn, VA to begin an exciting and challenging career. This position is hybr

Full-time

USD 60,001.00 - 100,000.00 per year

Java Developer

Fort Meade, Maryland

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Today

Overview Integral Federal is seeking Java Developers to develop, enhance, test, troubleshoot, and sustain mission-critical JPES/JCRM application capabilities Responsibilities Develop Java/Spring application components and services.Implement sprint backlog items and business rules.Develop and sustain APIs.Perform unit testing and code reviews.Troubleshoot and remediate software defects.Support Tier 3 incident resolution.Participate in Agile ceremonies and technical reviews.Support integration,

Full-time

USD 115,000.00 - 150,000.00 per year

Java Developer - Backend Focused

McLean, Virginia

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Yesterday

Required Technical SkillsCore Java Strong expertise in Core Java, OOP, Collections, Generics, Streams, and Exception Handling.Advanced knowledge of multithreading, concurrency, JVM internals, memory management, and garbage collection.Strong understanding of design patterns, SOLID principles, and clean code practices.Backend Frameworks Extensive experience with Spring Boot, Spring MVC, Spring Data JPA, and Hibernate.Strong knowledge of Spring Security and Spring Cloud.Experience building REST API

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Contract, Third Party

Depends on Experience

Full-Stack Java Developer

Fort Meade, Maryland

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Today

Summary CTC Group is seeking a Full Stack Java Developer to design, develop, maintain, and enhance enterprise software applications. This role focuses on Java development, service-oriented architectures, microservices, database integration, and Python development. Responsibilities Design, develop, and maintain enterprise Java applications and microservices.Develop and integrate software solutions within service-oriented architectures.Design and implement database interfaces and queries using Mo

Full-time

USD 85,000.00 - 150,000.00 per year

Spark or Java Developer

Herndon, Virginia

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Yesterday

Absolute Business Solutions Corp (ABSC) is not just another tech company. We're a community of innovators, engineers, analysts and business professionals working together with our customers to tackle the most complex challenges. For more than 20 years we've supported critical DoD, IC and Federal Civilian missions and global, multi-national corporations. We specialize in supporting our clients in the Intelligence, Technology, Defense, AI/ML, and Data Science fields. As we continue to grow at a ra

Full-time

USD 150,000.00 - 275,000.00 per year

Java Developer

Manassas, Virginia

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Yesterday

Job#: 3051155 Job Description: Java Developer(mid-to-front-end stack) Candidates must be able to obtain and/or maintain a Department of Defense --Secret clearance as a condition and continuation of employment. Basic qualifications B.S. in Computer Science, Software/Computer/Electrical Engineering, or a related STEM discipline ? 2 years of relevant experience Strong Linux/Unix development, integration, and troubleshooting background Proven Java development experience, including multithreading A

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Full-time

$60 - $100 per hour

Sr Java Developer

Woodlawn, Maryland

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3d ago

Role: Java Developer with LLMLocation:Woodlawn, MD (100% ON SITE- NO EXCEPTIONS)Duration: Long TermInperson Interview only in Woodlawn, MDJava Developer supporting LLM and agentic AI componentsKey Required SkillsSenior Software Development background in enterprise software development experience such as an extensive experience designing, developing, and maintaining service-oriented applications and APIs, including Java Spring Boot applications, RESTful web services, integrating and operationally

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Contract, Third Party

Depends on Experience

Junior Java Developer

Fort Meade, Maryland

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Today

Overview Integral Federal is seeking a Junior Developer to support JPES/JCRM application sustainment and enhancement under the guidance of senior development personnel. Responsibilities Implement lower-complexity application enhancements.Correct software defects.Develop unit tests.Support documentation and code maintenance.Participate in code reviews.Support automated testing and release activities.Execute assigned Agile backlog items. Qualifications Required: BA/ BS in an engineering disci

Full-time

USD 90,000.00 - 120,000.00 per year

Java Developer (Junior-Mid level)

Chantilly, Virginia

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Today

Bring your software development skills to a mission-focused environment where your work supports advanced signal processing and data analysis capabilities. Join NS2 Mission as a Junior-Mid level Java Developer in Chantilly, VA, supporting applications built on NeXtMidas, a programmable signal processing library used to solve complex mission requirements. You'll work alongside experienced engineers across the software development lifecycle, contributing to the design, development, testing, debug

Full-time

USD 95,499.00 - 134,755.00 per year

Java Developer jobs in Rockville, MD, USA