Java Developer Jobs in Crofton, MD, US

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1mo

Real-Time Systems Software Engineer (RR1033)

Manassas, Virginia, United States

OnsiteFull Time

HART Technologies: Designs and manufactures electronic systems and software for defense applications.

4+ YOEBS in CS/CE/EE; 4+ yrs software development in a team; proficient in C/C++, Java, Python; experience Windows and Linux (RHEL).

C/C++, Java, Python, Windows, Linux

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1mo

Software Developer 6

Springfield, Virginia, United States

OnsiteFull Time

M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.

12+ YOEActive Top Secret clearance with SCI eligibility; 12+ years of related experience or 9+ years with Master’s; DoD 8570 IAT Level II+ (e.g., CISSP, Security+); strong coding in C#, Java, Python; front-end HTML/CSS/JS, Angular/React; SQL/MongoDB; excellent communication and teamwork.

HTML, CSS, JavaScript, XML, jQuery, C#, Java, Python, Angular, React, Node.js, MySQL, MongoDB, Apache

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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)

Washington or Wilmington or Philadelphia

$72k-$93k/yr OnsiteFull Time

Amtrak: Operates America's national intercity passenger railroad system.

1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.

Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD

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1mo

Software Engineer

Minneapolis or Washington

$73k-$130k/yr HybridMultiple Commitments Available

UnitedHealth GroupNYSE: UNH: Sells health insurance and provides diversified healthcare services.

5+ YOEJava (Spring Boot), Python; Azure, Kubernetes, Kafka; CI/CD, Terraform; observability (Prometheus/Grafana/Splunk); runbooks/DR; in-office four days/week in Minneapolis area; telecommute from anywhere in US.

Java, Spring Boot, Python, Azure, Kubernetes, Kafka, CI/CD, Terraform, Prometheus, Grafana, Splunk

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dotCMS Developer

Reston, Virginia, United States

HybridFull Time

CapTech: Provides technology and management consulting services to large enterprises.

3+ YOEProven dotCMS development experience; Java, HTML, CSS, JavaScript; RESTful APIs; CMS workflows and deployment; strong problem-solving and teamwork.

dotCMS, Java, HTML, CSS, JavaScript, RESTful APIs

2mo

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2mo

Software Developer

Arlington, Virginia, United States

$100k-$140k/yr OnsiteFull Time

S2Technologies: Provides IT and cybersecurity solutions to government agencies.

Full stack developer with Angular, Java, Accumulo; DoD/8570.01m IAT-II; TS/SCI clearance preferred; Bachelor's in IT or related field.

Angular, Java, Accumulo, AWS

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1mo

Mid-Level Software Engineer (.NET)

Sterling, Virginia, United States

$105k-$125k/yr OnsiteFull Time

Strongbridge: Provides IT modernization and data strategy for federal agencies.

3+ YOE3-8 years in software development; 2+ years C#, C++, or Java; 2+ years building .NET Framework/ASP.NET Core apps or APIs; 1+ year full-stack with ASP.NET MVC, Angular, Bootstrap; 2+ years SQL Server; Bachelor's degree in CS or related field.

ASP.NET, ASP.NET Core, C#, C++, Java, Angular, Bootstrap, Azure, SQL Server, SSMS, HTML, CSS, JavaScript, TypeScript, Azure Data Lake, Data Factory, Synapse, WPF, XML, JSON, XSLT

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1mo

Software Engineer - CTJ - Poly

Reston or Redmond or Annapolis Junction

$101k-$199k/yr OnsiteFull Time

Microsoft: Provides software, cloud computing, and hardware technology products.

2+ YOEBachelor's degree in CS or related field and 2+ years coding in C/C++/C#/Java/JavaScript/Python or equivalent.

C, C++, C#, Java, JavaScript, Python, GenAI, Azure

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2mo

Full Stack Developer

Bethesda, Maryland, United States

$60k-$180k/yr HybridFull Time

M9 Solutions: Provides IT modernization and digital transformation services to federal agencies.

Active TS/SCI clearance; Bachelor's in a relevant field; cloud architectures (AWS GovCloud/C2S); experience with Java/Spring, Python; MongoDB, PostgreSQL, SQL; REST/SOAP; Git/Jenkins; Linux/Unix; Agile; Jira/Confluence.

AWS, GovCloud, Java, JavaScript, Angular, TypeScript, Node.js, MongoDB, SQL, XML, Java/Spring, Python, DynamoDB, PostgreSQL, S3, Redshift, Redis, Elasticsearch, jQuery, ASP.NET, NoSQL, PL/SQL, LDAP, REST, SOAP, Git, Jenkins, SonarQube, Maven, Ansible, Chef, Linux, Jira, Confluence, Docker, Kubernetes, Kafka, AWS Lambda, NiFi, Mocha/Chai, JUnit, NUnit, TestNG, Groovy, Shell Script

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Senior Software Engineer

Virtual, Washington, United States

RemoteFull Time

Cvent: Cloud-based software for event and venue management.

3+ YOEBachelor’s or master’s in CS/IT plus experience; Java, JavaScript; React; REST APIs; databases; Git; Agile; DevOps.

Java, JavaScript, React, GraphQL, REST, Swagger/OpenAPI, OAuth2, JWT, MySQL, PostgreSQL, Oracle, Couchbase, OpenSearch, Git, Dagger, Retrofit, SQLite

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Senior Software Developer

Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh

$105k-$145k/yr HybridFull Time

GFT: Global firm providing engineering and infrastructure construction services.

5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.

SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software

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1mo

Software Engineer

Baltimore, Maryland, United States

OnsiteFull Time

Elder Research: Provides data science, machine learning, and predictive analytics consulting services.

3+ YOEExperience with Python or Java, SQL, Kubernetes, HTML, Apache NiFi; GitLab/CI/CD; Docker; Atlassian tools; REST APIs; IAM and big data tools; TS/SCI with Polygraph clearance; degree with years of relevant experience.

Python, Java, SQL, Kubernetes, HTML, Apache NiFi, GitLab CI/CD, Docker, Jira, Confluence, Ansible

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1mo

Software Engineer

Annapolis Junction, Maryland, United States

$200k-$225k/yr OnsiteFull Time

Crown Point Technologies: Provides data engineering and software development for government and commercial clients.

14+ YOEActive TS/SCI with Polygraph; 14+ years software engineering; Bachelor’s in CS/Engineering/Math/Physics; strong Java, Python, JavaScript (React); REST APIs; AWS; Docker/Kubernetes; IaC (Ansible or similar); Agile experience.

Java, Python, JavaScript, React, REST APIs, AWS, Docker, Kubernetes, Ansible, GitHub, GitLab, Jenkins

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Software Engineer 1

Columbia, Maryland, United States

$156k-$173k/yr HybridFull Time

Weeghman & Briggs: Provides specialized intelligence analysis and cybersecurity services to government agencies.

7+ YOETS/SCI with Polygraph; 7+ years with BS in CS (or 11+ years without); strong Java/JavaScript/TypeScript/CSS/HTML; government/ DoD experience; strong communication.

Java, JavaScript, TypeScript, CSS, HTML, React, Docker, Kubernetes, Rancher, Gitlab Pipelines, Material UI

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1mo

Software Developer, Senior (DSS)

Indian Head, Maryland, United States

$110k-$160k/yr OnsiteFull Time

Resource Management Concepts: Provides IT, cybersecurity, and engineering solutions to government agencies.

5+ YOEBachelor’s in IT or related, 5+ years software dev, DoD Secret clearance to start (Top Secret possible), strong Java/Spring, front-end skills, OOP, Git, CI/CD, databases (MySQL/SQL Server), Agile/Waterfall, good communication.

Java, Spring MVC, JavaScript, HTML, CSS, SQL, MySQL, SQL Server, Git, Azure DevOps, JIRA, Maven, Eclipse, TOAD, JDBC, React.js

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1mo

26-1090: SME Full Stack Developer SME - Ashburn, VA

Ashburn, Virginia, United States

HybridFull Time

Navitas Business Consulting: Provides digital transformation and IT solutions for government agencies.

5+ YOESenior-level SME Full Stack Developer with Java backend and modern JS frontend; experience with microservices, REST APIs, CI/CD, and TS/JS frameworks; U.S. Citizenship and Top Secret clearance required.

Java, Spring Boot, Jakarta, React, Angular, Vue.js, Docker, Kubernetes, gRPC, RabbitMQ, Kafka, Harness, Jenkins, REST, AWS, EC2, S3, Lambda, RDS, EKS, Hadoop, Spark, Impala, MySQL, Elasticsearch, Solr

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IT Software Engineer

College Park, Maryland, United States

$113k-$135k/yr OnsiteFull Time

University of Maryland: Public research university providing undergraduate and graduate degree programs.

3+ YOEBachelor’s degree; 3 years software engineering experience; HTML5/CSS3/JavaScript; Java/Spring Boot; REST APIs; Docker/CI/CD; Vue; mentorship; strong communication.

Java, Spring Boot, REST API, Docker, CI/CD, Git, Vue, HTML5, CSS3, JavaScript, SQL

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Software Engineer SWE3 - 26011

Hanover, Maryland, United States

OnsiteFull Time

PAX Engineering: Provides software and systems engineering for the intelligence community.

Experience with Spring Boot and related Spring projects; knowledge of Java, Oracle, Elasticsearch, Docker, Kubernetes, Maven/Gradle, GitLab, CI/CD.

Spring Boot, Spring MVC, Spring Data, Spring Security, JMS, Kafka, Java, Oracle, Elasticsearch, Docker, Kubernetes, Maven, Gradle, GitLab, CI/CD

2mo

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2mo

Software Engineer (Prime Contract)

Annapolis Junction, Maryland, United States

$175k-$235k/yr OnsiteFull Time

LufCo: Engineering and technical services for national security and defense.

14+ YOEBS in software/CS related field; 14+ years software engineering; Java, Kubernetes, Docker, SpringBoot; TS/SCI with polygraph required.

Java, Kubernetes, Docker, SpringBoot

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Full Stack Software Engineer - Ruby-on-Rails/Java experience

Manassas, Virginia, United States

$113k-$125k/yr HybridFull Time

General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.

5+ YOEBachelor's in software-related field and 5+ years of experience (or Master's with 3+ years); secret clearance obtainable; DoD eligibility.

Ruby on Rails, Vue.js, Linux, Docker, Kubernetes, Azure, Git, CI/CD, REST APIs, PostgreSQL, SAST/DAST, RobotFramework, Argo Workflows, OpenShift, Kubevirt

14h

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14h

.NET Developer Intern

Nottingham, Maryland, United States

$18-$21/hr OnsiteInternship

Mariner Finance: Provider of personal installment and auto loans.

0+ YOECurrently enrolled in a post-secondary program; pursuing Computer Science, Software Engineering, Information Technology, or related field; experience with HTML, JavaScript, CSS, Vue3, C, Java; willing to learn; proficient with Microsoft Office; able to collaborate and have reliable transportation.

HTML, CSS, JavaScript, Vue, Vue3, C, Java, .NET

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1mo

Software Engineer

Tampa or Fort Belvoir

OnsiteFull Time

Odyssey Systems: Providing technical and engineering services to federal government agencies.

3+ YOEUS citizen; active secret clearance with ability to obtain TS/SCI; bachelor’s in CS/IS or related field with 3–6 years of experience; proficiency in Java/C#/Python/JS/TS; Git; REST/microservices; team collaboration; strong communication.

Java, C#, Python, JavaScript, TypeScript, Git, RESTful APIs, microservices, CI/CD, Docker, Kubernetes, Databases

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1mo

Senior Software Development Engineer - US Federal

McLean or Reston

$164k-$246k/yr OnsiteFull Time

WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.

8+ YOESecurity clearance TS/SCI w/ CI Poly; 8+ years in UML/Web app/SaaS; OO languages Java/Python/C#/C++; 8+ years designing/developing business apps; agile experience; JSON/REST/GraphQL; design patterns.

JSON, REST, GraphQL, UML, Java, Python, C++, C#

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SolrCloud Backend Engineer

Rockville, Maryland, United States

$130k-$150k/yr RemoteFull Time

PTFS: Enterprise content management and digital archiving for government agencies.

7+ YOE7+ years backend engineer with SolrCloud; Java/Spring experience; REST, Lucene, NLP, ML basics; Linux; DevOps tools.

SolrCloud, Lucene, Spring, Spring Boot, Java, Groovy, Python, XSLT, XML, REST, SolrJ, Prometheus, Grafana, Jenkins, Maven, Ansible, Nexus, NLP, TDD, BDD, Git, GitLab, JMeter

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Senior Software Engineer

Woburn or Arlington or United States

$140k-$170k/yr HybridFull Time

Systems & Technology Research: Develops advanced technology for national security and defense applications.

3+ YOE3-5+ years experience; fluent in Java; Linux/ Docker; U.S. citizen eligible for Top Secret; remote/hybrid work

Java, Python, Docker, Linux

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1mo

Hybrid Mobile Developer

Springfield or United States

HybridFull Time

RP Professional Services: Providing IT services and mission support to federal agencies.

2+ YOE2-4 years of mobile development experience; native iOS and Android expertise; TSA Public Trust clearance or ability to obtain; CI/CD, Git, REST APIs, accessibility compliance.

Swift, Objective-C, UIKit, Storyboards/XIBs, Auto Layout, Kotlin, Java, XML layouts, Firebase, Firebase Cloud Messaging (FCM), Git, CI/CD, Flutter, React Native, Xcode, Android Studio, REST APIs

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1mo

Senior Software Engineer

Arlington, Virginia, United States

$132k-$212k/yr HybridFull Time

MastercardNYSE: MA: Global payment processing and financial technology service provider.

Strong full-stack Java/Spring Boot, React, PostgreSQL; experience in scalable analytics platforms; agile, collaborative; Bachelor in CS or related.

Java, Spring Boot, React, PostgreSQL, Snowflake, GitHub Copilot

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1mo

Cleared Software Engineer - Expert

Fairfax, Virginia, United States

$180k-$240k/yr OnsiteFull Time

Sunfire Solutions: Provides software engineering and architecture for government and commercial clients.

10+ YOE10+ years in full-stack software engineering with TS/SCI clearance; strong Java/Groovy/Kotlin, Vue.js, SQL/NoSQL, AWS; leadership skills.

Java, Groovy, Kotlin, Vue.js, MongoDB, Elasticsearch, Spring Boot, Micronaut, Quarkus, REST, WebSockets, Linux, AWS

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Software Engineer Level 0

Annapolis Junction, Maryland, United States

$89k-$140k/yr OnsiteFull Time

DCCA: Provides IT and engineering solutions for government and defense agencies.

TS/SCI with poly required; strong Java and Python; experience with GitLab/Jira; CI/CD; Agile methods; knowledge of Docker/Kubernetes; RESTful services.

Java, Java SE, Java 8, Java 17, Python, Git, Shell/Bash, Nexus, Maven, JUnit, Eclipse IDE, VS Code, JavaScript/HTML5/CSS3, Jira, GitLab, Docker, Podman, Kubernetes, OpenShift, Spring Boot

2mo

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2mo

Cleared Software Engineer - Microservices

Annapolis Junction, Maryland, United States

$185k-$230k/yr OnsiteFull Time

Bestgate Engineering: Provides specialized engineering services for national security missions.

12+ YOE12+ years of professional experience or 10+ years with a related Master’s degree; strong Java Spring Boot, AWS, Python, CI/CD, and Agile experience.

Java, Spring Boot, Python, AWS, Lambda, Step Functions, EC2, S3, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, MongoDB, DynamoDB, Cypress, Cucumber, OSS, CloudWatch

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Software Developer (Active TS/SCI Required)

Tysons/McLean/Chantilly, Virginia, United States

OnsiteFull Time

MissionOvo: Provides technology and engineering services for national security missions.

Active TS/SCI clearance required; Bachelor’s in CS/Engineering; Python/Java/C++/JavaScript; Git; cloud experience preferred; strong fundamentals in data structures and algorithms.

Python, Java, C++, JavaScript, Git, AWS, Azure, GCP

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1mo

Senior Software Engineer

Suitland, Maryland, United States

OnsiteFull Time

SilverEdge Government Solutions: Provides cybersecurity and software solutions for national security missions.

8+ YOEBachelor’s degree in relevant field; 8 years of experience; proficiency in .NET, Java, Python, C#; TS/SCI w/ Poly clearance required.

Microsoft .NET, ASP.NET, C#, Java, Python, Oracle

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Cyber Software Engineer

Chantilly, Virginia, United States

$101k-$151k/yr OnsiteFull Time

Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.

2+ YOETS/SCI clearance; 2+ years in STEM; programming in C/C++, Java, and/or Python; Linux/Windows; Docker/Kubernetes; Agile; SDLC knowledge.

C/C++, Java, Python, Linux, Windows, Docker, Kubernetes, Agile, JSON, GitHub, Jira, Scripting

2mo

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2mo

Software Integration Engineer

Arlington, Virginia, United States

$110k-$135k/yr OnsiteFull Time

Forterra: Develops autonomous vehicle systems for defense and industrial sectors.

B.S. in CS/engineering/robotics or related experience; strong programming skills in C++, Python, Java; experience integrating software on hardware; CS fundamentals.

C++, Python, Java, ROS2, Real-time OS

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Mid-Level Software Engineer

Annapolis Junction, Maryland, United States

$115k-$190k/yr OnsiteFull Time

GliaCell Technologies: Software and systems engineering for the intelligence community.

7+ YOESeven years of SWE experience with government contracts; U.S. Citizenship; BS in Computer Science; strong Java, MapReduce, cloud experience; ability to work independently and in a team.

Java, MapReduce, Cloud

1mo

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1mo

Software Engineer (All Levels)

Fort Meade, Maryland, United States

HybridFull Time

Adaptic: Software and systems engineering services for government defense agencies.

0+ YOECleared software engineers at multiple levels; active clearance and polygraph; proficiency in C/C++, Python, Java; CI/CD; cyber security tooling; malware analysis.

C/C++, Python, Java, Git, CI/CD, Jenkins, Bamboo, Docker, Terraform, Ansible, Packer, MITRE ATT&CK

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Software Engineer 3 (IDN - 163)

Fort Meade, Maryland, United States

OnsiteFull Time

SageCor Solutions: Provides engineering services for the intelligence community.

9+ YOEMaster's or Bachelor's with years of experience; active TS/SCI with polygraph required; strong Linux, scripting, Java, and DevOps tooling experience.

Linux, Bash, Python, PHP, Java, VS Code, Git, GitLab CI, Ansible, Docker, Kubernetes, JIRA, Confluence, IaC, Documentation

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1mo

Software Engineer SWE 2

Jessup, Maryland, United States

OnsiteFull Time

LifeCycle Corporation: Strategic technology and branding solutions for federal and private sectors.

14+ YOE14 years software engineering; TS/SCI with Poly; Linux; Python/C++/Java/JavaScript; Git, GitLab; Agile; Bachelor’s degree or 4 years’ equivalent experience.

Python, C++, Java, JavaScript, Git, GitLab, VS Code, Eclipse, Linux, IDE, Jira, Confluence

1mo

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1mo

Software Engineer III (TS/SCI w/ Polygraph) - 4 Openings

Annapolis Junction, Maryland, United States

OnsiteFull Time

COMSO: Provides IT and software solutions to federal government agencies.

12+ YOEStrong Enterprise Java development with Spring Boot; 12+ years SWE experience; BS in CS or related field; 4 years of additional SWE experience can substitute for degree; 7 years in software DB/repository development; TS/SCI with polygraph clearance required.

Java, Spring Boot