📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Java Developer Jobs in Harrington, DE, US
68 java developer jobs from 39 companies hiring in Harrington, DE, US.
1mo
Save
Mark Applied
Hide
Java Automation Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
2+ YOE2+ years Java development experience; Bachelor’s degree; Agile Certification preferred; strong communication; experience with Java/JEE and Agile Development.
Java, JEE, Agile Development, XML, JMS, SQL, Angular
1mo
Save
Mark Applied
Hide
Java Developer
Aberdeen Proving Ground, Maryland, United States
HybridFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
2+ YOEBachelor's in CS/IS or related field; 2+ years programming/web development; Active Final Secret security clearance
Java, J2EE, Spring, Eclipse, JUnit, Git, HTML, JSP
1mo
Save
Mark Applied
Hide
Java Software Engineer
Annapolis Junction, Maryland, United States
$147k-$249k/yr OnsiteFull Time
Bachelor's in CS or related; experience with Java/JEE, Python, C/C++, SQL, SOAP/WSDL; UI development; Windows/Linux; Jenkins; TS/SCI Polygraph; strong software development principles.
Java, Python, C/C++, SQL, XML, HTML, Tomcat, WebLogic, JBoss, Jenkins, Postgres, Oracle, Selenium, Mockito, Cucumber, UFT, FitNesse, TDD, SAFe
3w
Save
Mark Applied
Hide
Front End/Angular 2+/Full Stack Java Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
1+ YOE1+ years experience with Java and web development (Angular 2+ or ReactJS); experience with MongoDB or relational databases; Java frameworks (Spring, Spring Boot); US Citizenship; clearance: Top Secret/SCI
Java, Angular, Spring, Spring Boot, MongoDB, Relational Databases
4w
Save
Mark Applied
Hide
Lead Software Engineer - Java AWS
Wilmington or Tampa
OnsiteFull Time
5+ YOE5+ years Java software engineering; AWS experience; CI/CD and cloud native; strong SDLC and agile practices; security focus; able to lead architectural discussions.
Java, AWS, CI/CD, Cloud, Claude, Copilot
2w
Save
Mark Applied
Hide
Cloud Software Engineer (Java/Kotlin), Senior Associate
Annapolis Junction, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Active TS/SCI clearance with a current polygraph; degree and experience per requirements; cloud/DevOps certifications; strong software development with Java/Kotlin and web technologies; Linux experience; documentation skills.
Java, Kotlin, React, JavaScript, TypeScript, Linux, Cloud / Containers, Open-source distributed computing
2mo
Save
Mark Applied
Hide
Full Stack Developer (Java, Spring, MongoDB, Elasticsearch) - Top Secret/SCI/FSP Required - Onsite
Annapolis Junction, Maryland, United States
OnsiteFull Time
Top Secret/SCI clearance required; onsite in Annapolis Junction, MD; Java 8+; Elasticsearch; MongoDB; Oracle; Spring Boot; Angular; RESTful services; Solr; strong interfaces between applications.
Java, Elasticsearch, MongoDB, Oracle, Spring Boot, Angular, RESTful web services, Solr
2d
Save
Mark Applied
Hide
Senior Systems Engineer (Full-Stack Developer)
Annapolis, Maryland, United States
RemoteFull Time
8+ YOE8+ years of software development with backend focus; experience with Java/NodeJS, Angular, REST APIs, and healthcare/EDI data; strong communication and Agile experience.
Java, NodeJS, Angular, REST, Git, GitHub, AWS, EC2, S3, CloudWatch, Docker, ECS, EKS, JUnit, Jest, HIPAA, EDI
1mo
Save
Mark Applied
Hide
1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
3w
Save
Mark Applied
Hide
Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Engineering with 4 years experience or 6 years related software development experience; US citizenship; SECRET clearance; proficiency in Python, C++, Java, C#; CI/CD; DoD/C-UAS experience preferred.
Python, C++, Java, C#, CI/CD, containerization, microservices, cloud
2mo
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
US citizen with active TS/SCI clearance; Linux proficiency; programming in Python/Java/C/C++/JavaScript; Git; container tech (Docker/Kubernetes); shell scripting; experience with CI/CD; strong security-focused software development.
Bash, Python, Java, C, C++, JavaScript, Git, Docker, containerd, Podman, Kubernetes, Ansible, FastAPI, React, MongoDB, PostgreSQL, RabbitMQ, Kafka, Elastic Stack, Prometheus, Grafana, Splunk, Jira, Confluence, Slurm, AWS
1w
Save
Mark Applied
Hide
Software Engineer I (Onsite)
Fulton, Maryland, United States
$63k-$120k/yr OnsiteFull Time
Bachelor's degree in STEM; Java and C++ experience; multithreaded software development; willingness to work onsite in Fulton, MD; ability to obtain/maintain DoD Secret clearance; U.S. citizenship.
Java, C++, Maven, Apache Ant, Jenkins
3w
Save
Mark Applied
Hide
Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI with Full Scope Polygraph (CI Poly in last 7 years); 7-9 years experience; AWS tools; Java/Spring Boot or Python; microservices, CI/CD, and related tech.
Java, Spring Boot, Python, AWS, DynamoDB, Lambda, CloudWatch, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, Cypress, Cucumber
1mo
Save
Mark Applied
Hide
Embedded Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
Must be a U.S. citizen; active clearance with a polygraph; Bachelor's degree in CS, engineering, or related field; embedded/low-level development experience preferred
Linux, Windows, Embedded systems, Ghidra, C, C++, Python, Rust, Go, Git, Subversion, Jira, Confluence, PowerShell, Bash, Assembly, Java, JavaScript
2mo
Save
Mark Applied
Hide
Software Engineer
Fort Meade, Maryland, United States
$200k-$230k/yr OnsiteFull Time
14+ YOETS/SCI with poly; Bachelor's in CS/Engineering; 14 years experience; Linux, C++, Java; scripting; Git; Docker; strong problem-solving and communication.
C++, Java, Shell, Python, JavaScript, Bash, Git, Docker, Linux
1mo
Save
Mark Applied
Hide
Web Developer
Annapolis Junction, Maryland, United States
$144k-$210k/yr HybridFull Time
8+ YOEActive TS/SCI clearance with polygraph; 8+ years web development experience; BS in related field or equivalent experience; strong front-end and API integration skills.
HTML, CSS, JavaScript, React, Angular, Vue, REST API, Jira, Confluence, 508 accessibility, AWS, Docker, Kubernetes, Node.js, Java, Linux scripting, Git, Frontend testing
2w
Save
Mark Applied
Hide
Software Engineer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOE20 years SWE experience; Bachelor's in CS; Linux; Python, Java, C++; security clearance; geolocation/RF knowledge.
Python, Java, C++, Linux
3w
Save
Mark Applied
Hide
Adobe Experience Manager (AEM) Developer
Annapolis, Maryland, United States
$40-$55/hr RemoteMultiple Commitments Available
4+ YOE4+ years of experience with AEM; strong Java development; AEM Assets, AEM Guides; RESTful API integration; DOM processing; DITA XML content workflows; Bachelor’s degree in Computer Science or related field.
Adobe AEM, Adobe Workfront, PoolParty, Apache Sling API, JCR Node API, Java, Oxygen XML, DITA Open Toolkit, RESTful APIs, jQuery, HTML5
1mo
Save
Mark Applied
Hide
Software Engineer - Hybrid
Annapolis Junction, Maryland, United States
$165k-$185k/yr HybridFull Time
3+ YOETS/SCI with Poly required; degree plus years; Linux, Bash, Python/Java, Airflow, Spark, Docker/Podman, Git; AWS familiarity.
Apache Airflow, Python, Java, Bash, Linux, Apache Spark, Docker, Podman, Git, AWS
1mo
Save
Mark Applied
Hide
Software Engineer 3
Annapolis Junction, Maryland, United States
$176k-$238k/yr OnsiteFull Time
8+ YOE8+ years related experience; BS; TS/SCI clearance with polygraph; strong Java/Linux/Python; Spark/airflow; SQL databases; Jira/Confluence; Git.
Linux, Python, Java, Apache Spark, Apache Airflow, SQL, MySQL, MariaDB, PostgreSQL, Jupyter Notebook, pandas, NumPy, Git, HPC Slurm, JIRA, Confluence
1w
Save
Mark Applied
Hide
Expert Offensive CNO Software Developer
Hanover, Maryland, United States
$178k-$353k/yr OnsiteFull Time
6+ YOEActive US security clearance with polygraph; 6+ years in cyber/software; BS in Math/Science/Engineering or related; programming in Assembly/C/C++/Java/Perl/Python; experience with CNO tools.
Assembly, C, C++, Java, Perl, Python, CNO Tools and Techniques
2mo
Save
Mark Applied
Hide
Lead CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOE5+ MgmtBachelor’s degree plus extensive experience; 12+ yrs in programming (Assembly, C, C++, Java, Perl, Python); 10+ yrs on CNO tools; 5+ yrs leading teams; 4+ yrs evading IDS; 4+ yrs sockets programming.
Python, C, C++, Java, Perl, Assembly, Bash, PowerShell, IDA Pro, Ghidra, OllyDbg, Git, Networking, IDS evasion
6d
Save
Mark Applied
Hide
Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
0+ YOEBachelor's in CS or related field or 4 years of software engineering experience; TS/SCI with poly; Agile, Jira/Confluence; experience with Java/C++/Python, Git, Postgres; AWS preferred.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
17h
Save
Mark Applied
Hide
Senior Software Engineer
Gambrills, Maryland, United States
$91k-$130k/yr HybridFull Time
7+ YOE7+ years hands-on experience building scalable software; design patterns and RESTful APIs; Java/C/C++, Python/C# beneficial; Agile/Scrum; ICDs; strong communication.
Java, C/C++, Python, C#, RESTful APIs, Agile/Scrum, ICD
1mo
Save
Mark Applied
Hide
Software Engineer, Level 1 (AE26031323SW1)
Annapolis Junction, Maryland, United States
$145k-$155k/yr HybridFull Time
7+ YOESeven years of DoD/IC software engineering experience; Java, Python; Git; IntelliJ/Eclipse; Maven; Spring Boot/Flask; Top Secret/SCI with polygraph.
Java, Python, Git, IntelliJ, Eclipse, Maven, Spring Boot, Flask, Kafka, Flink, MongoDB, ArangoDB, Redis, PostgreSQL, Elasticsearch, Kubernetes, Docker, Containerd, AWS
3w
Save
Mark Applied
Hide
CyberTron Contract: Software Engineer I
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.
Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL
6d
Save
Mark Applied
Hide
Splunk Software Engineer (SF)
Annapolis Junction, Maryland, United States
$125k-$250k/yr OnsiteFull Time
14+ YOEUS citizenship required; TS/SCI with Poly; BS CS with 14+ years; 14 years SWE exp; 5 years OO languages (C++, Java); 4-year degree substitution; must have Splunk, ROXY and RHEL 9.
Splunk, ROXY, RHEL 9, C++, Java
2mo
Save
Mark Applied
Hide
Entry-Senior Software Engineer- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$95k-$230k/yr OnsiteFull Time
Software engineer with Java, Python, Git; containerization; CI/CD; Agile; Spring, Hibernate, MySQL; BS in CS or related, 4 years exp may substitute
Java, Python, Git, Shell, Maven, JavaScript, HTML, CSS, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring, Hibernate, MySQL, Web Services, Vaadin
2mo
Save
Mark Applied
Hide
Full Stack Developer
Aberdeen, Maryland, United States
$108k-$228k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years in full stack development; strong Java, front-end, and database skills; cloud and container tech a plus; Secret clearance (minimum).
Java, Spring Boot, Vaadin, Jakarta EE, HTML, CSS, JavaScript, React, Angular, Vue.js, SQL, MySQL, PostgreSQL, MongoDB, Git, AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD
3w
Save
Mark Applied
Hide
Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
5+ YOE0-5 years software engineering experience; Linux proficiency; Java/Go/JavaScript/C/C+/Python; React/Web tech; on-call rotation; US citizenship for security clearance.
React, Java, Go, JavaScript, C/C++, Python, Linux, RHEL, Kubernetes, Docker, Podman, Git, Bitbucket, Jira
4w
Save
Mark Applied
Hide
Back End Developer (7+ Yrs and Clearance Required) – San Antonio, TX
San Antonio or Fort Meade
HybridFull Time
7+ YOE7 years of software development experience; AWS, Kubernetes, RESTful APIs; Jenkins/GitLab; TS/SCI clearance; US citizen.
AWS, Kubernetes, Red Hat Linux, Jenkins, GitLab, Docker, OpenJDK, Ansible, Packer, Maven, Java, Python, PostgreSQL, RDS, Exodus, Luna
3w
Save
Mark Applied
Hide
Senior Software Engineer
Annapolis Junction, Maryland, United States
$170k-$260k/yr OnsiteFull Time
14+ YOEActive TS/SCI with Polygraph clearance; U.S. citizenship; 14+ years software engineering experience; BS in CS or related; 4 more years can substitute for degree; strong communication and independent work ability.
Java, Spring Framework, Spring Boot, GhostMachine Analytic, Portable Map Reduce, NiFi, Notifier, Atlassian tool suite, GitLab
3w
Save
Mark Applied
Hide
Web Test Engineer
Aberdeen Proving Ground, Maryland, United States
RemoteFull Time
3+ YOE3+ years software testing and automation; automated web testing with Cypress/Selenium; Agile/Scrum experience; CI/CD familiarity; containerization with Docker/Kubernetes; strong troubleshooting.
Cypress, Selenium, TestNG, JUnit, Postman, REST Assured, SoapUI, GitLab CI, Docker, Kubernetes, Maven, Gradle, NPM, JMeter, Java, JavaScript, Cucumber, Gherkin, SQL, Git
2mo
Save
Mark Applied
Hide
DevOps Engineer (RC-3)
Annapolis Junction, Maryland, United States
$200k-$230k/yr OnsiteFull Time
10+ YOETS/SCI w/ Poly, 10+ years in Agile AWS/cloud, VMware, Kubernetes, Docker, Java/Python, Git; bachelor’s degree in a related field.
VMware, Kubernetes, RKE2, Kafka, Docker, Java, NiFi, PostgreSQL, Red Hat Enterprise Linux, Git, Python, Ruby, Perl, C, C++, AWS, Confluence, Jira
1mo
Save
Mark Applied
Hide
AI/ML Engineer
Aberdeen Proving Ground, Maryland, United States
$170k-$210k/yr RemoteFull Time
5+ YOE5+ years hands-on AI/ML production experience; Python/R/Java; TensorFlow/PyTorch/Scikit-learn; Palantir Foundry; Docker/Kubernetes/MLOps; cloud or hybrid environments; strong communication.
Python, R, Java, TensorFlow, PyTorch, Scikit-learn, Keras, Palantir Foundry, Docker, Kubernetes, MLflow
2mo
Save
Mark Applied
Hide
Cyber R&D Engineer
Fort Meade, Maryland, United States
$117k-$243k/yr OnsiteFull Time
5+ YOEBS in Computer Science or Engineering; 5 years of direct relevant experience; 5 years in Windows/Linux; proficiency in C, C++, Python, Java/Javascript, Bash, Rust, Assembly.
C, C++, Python, Java, JavaScript, Bash, Bourne Shell, Rust, Assembly, GDB, Valgrind, LLDB, IDA Pro, Ghidra, SCons, SIEM
4d
Save
Mark Applied
Hide
00584-Software Engineer 3
Annapolis Junction, Maryland, United States
$175k-$235k/yr OnsiteFull Time
20+ YOETop Secret/SCI clearance with NSA Full Scope Poly, 20+ years SWE experience, BS in CS or related, 6+ years recent development; salary commensurate with experience.
Java, Python, NiFi, DataXplorer, GMAE, XML, CSV, JSON, Pig, MapReduce, Spark, Hadoop, Scala
1mo
Save
Mark Applied
Hide
Cloud Software Engineer III (TS/SCI w/ Polygraph)
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOESenior cloud software engineer with 12 years exp in Big-Data/cloud, TS/SCI w/ Poly required; BS in CS or related field; multiple cloud/IR qualifications.
Java, Hadoop, Cloudera, MapReduce, YARN, HDFS, HBase, Zookeeper, MongoDB, REST, Maven, Unix/Linux, Python, CFEngine, Bash, Ruby, Eclipse, JVM, VMware, J2EE, Selenium
1w
Save
Mark Applied
Hide
Reverse Engineer Level 2
Fort Meade, Maryland, United States
$150k-$180k/yr OnsiteFull Time
5+ YOE5–8 years in reverse engineering or related field; Bachelor's degree in CS/Engineering or related field; experience with assembly, C/C++, C#, Java, Perl, Python; strong reverse engineering and binary analysis; OS internals analysis; familiarity with reverse engineering tools; kernel-level programming or forensics; ability to document and present fi...
IDA Pro, Ghidra, Binary Ninja, Assembly, C, C++, C#, Java, Perl, Python
1mo
Save
Mark Applied
Hide
RF Network Engineer
Aberdeen, Maryland, United States
$125k-$140k/yr OnsiteFull Time
3+ YOEBachelor's in Electrical/Computer Engineering or Computer Science; 3-5 years of relevant experience; TCP/IP networking; Windows and Linux; documentation skills; willingness to learn; knowledge of wireless technologies a plus; programming experience (Java, Python, C++) a plus; automated testing and lab equipment automation a plus.
TCP/IP, Windows, Linux, Programming (Java, Python, C++), Automated testing, Laboratory instrumentation (test equipment)
HiringCafe market data
Java Developer Jobs market signals in Harrington, DE, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
68
Hiring companies
39
Fresh sample
52% new in 30d
Salary visibility
74% show pay
Companies appearing in this market
CACILockheed MartinGDITBoeing Intelligence & AnalyticsGeneral Dynamics Information TechnologyGliaCell TechnologiesJPMorgan ChaseMarkon
Work location mix in visible results
Onsite: 40Hybrid: 9Remote: 5