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Senior Java Developer Jobs in Harrington, DE, US

37 senior java developer jobs from 23 companies hiring in Harrington, DE, US.

All jobs in Harrington, DE, USSenior Java Developer Jobs in United States
Nearby:Milford·Dover·Easton·Smyrna·Middletown·Salisbury·Bridgeton·Seaford·Georgetown·Millville·South Vineland·Cambridge·Vineland·Annapolis·Bear·Elkton·Denton·Glasgow·Riverview
37 jobs- Harrington • 50 miles
1d
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Senior Systems Engineer (Full-Stack Developer)
Annapolis, Maryland, United States
RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
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
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2w
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Cloud Software Engineer (Java/Kotlin), Senior Associate
Annapolis Junction, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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
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3w
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Lead Software Engineer - Java AWS
Wilmington or Tampa
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial firm providing banking and investment management services.
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
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3w
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$170k-$260k/yr OnsiteFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
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
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1mo
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Senior Front-End Software Engineer
Fort Meade, Maryland, United States
$132k-$290k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
12+ YOETS/SCI with Polygraph; BS/MS in CS or related; 12+ years with BS or 10+ with MS; 4+ years SWE substitution; expertise in 3+ areas; 10+ years in 4 areas.
Python, Java, C++, Svelte, TypeScript, MongoDB, Unix/Linux, XML, PHP, Perl
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2mo
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Entry-Senior Software Engineer- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$95k-$230k/yr OnsiteFull Time
Sunayu
Sunayu: Software and cybersecurity engineering services for government intelligence agencies.
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
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1mo
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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
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2mo
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Software Engineer
Fort Meade, Maryland, United States
$200k-$230k/yr OnsiteFull Time
Markon
Markon: Provides consulting and mission support services to federal agencies.
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
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1mo
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Web Developer
Annapolis Junction, Maryland, United States
$144k-$210k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
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
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2w
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Software Engineer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides cybersecurity and intelligence services for national security missions.
20+ YOE20 years SWE experience; Bachelor's in CS; Linux; Python, Java, C++; security clearance; geolocation/RF knowledge.
Python, Java, C++, Linux
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1mo
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Software Engineer 3
Annapolis Junction, Maryland, United States
$176k-$238k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
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
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Software Engineer 3
Annapolis Junction, Maryland, United States
$176k-$238k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years of related experience; US citizenship; Top Secret SCI with Polygraph clearance; bachelor’s degree; strong Java, Linux, scripting, and DevOps toolchain experience.
Ansible, GitLab CI/CD, Java, Linux, Bash, Python, PHP, Docker, Kubernetes, Atlassian SDK, VS Code
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Expert Offensive CNO Software Developer
Hanover, Maryland, United States
$178k-$353k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
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2mo
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Lead CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Nightwing
Nightwing: Provides cybersecurity and intelligence services for national security missions.
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
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1w
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SOFTWARE ENGINEER - Back End- 8+ yrs of Experience - TS/SCI w/Poly clearance is required - TB
Annapolis or Fort Meade
$200k-$206k/yr OnsiteFull Time
Halogen Engineering Group
Halogen Engineering Group: Provides specialized engineering, cybersecurity, and program management services.
8+ YOE8+ years of software engineering experience; strong back-end Java development; TS/SCI with poly clearance required.
Java, Spring Framework, REST, MongoDB, Angular, AWS, Rancher, Docker, Kubernetes
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4d
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Splunk Software Engineer (SF)
Annapolis Junction, Maryland, United States
$125k-$250k/yr OnsiteFull Time
Kenjya-Trusant Group
Kenjya-Trusant Group: Provides technical and management services to government agencies.
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
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1mo
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Cloud Software Engineer III (TS/SCI w/ Polygraph)
Annapolis Junction, Maryland, United States
OnsiteFull Time
COMSO
COMSO: Provides IT and software solutions to federal government agencies.
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
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2mo
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Senior Systems Integration Engineer (55409)
Aberdeen Proving Ground or United States
$110k-$150k/yr OnsiteFull Time
DataPath
DataPath: Manufactures satellite communication terminals and provides ground system solutions.
15+ YOEBachelor's degree and 15+ years of relevant experience in DoD contracting; electrical systems, modeling, and circuit analysis.
Oracle, SQL Server, Java, REST, Message Queuing, APIs
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2mo
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DevOps Engineer (RC-3)
Annapolis Junction, Maryland, United States
$200k-$230k/yr OnsiteFull Time
Legato
Legato: Provides IT engineering services to the national intelligence community.
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
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1mo
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AI/ML Engineer
Aberdeen Proving Ground, Maryland, United States
$170k-$210k/yr RemoteFull Time
Nakupuna
Nakupuna: Provides professional services and technical solutions for federal agencies.
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
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00584-Software Engineer 3
Annapolis Junction, Maryland, United States
$175k-$235k/yr OnsiteFull Time
Momentum Engineering
Momentum Engineering: Provides engineering and technical services for national security missions.
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
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1mo
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Avionics Test and Launch Engineer II / Senior
Wallops Island, Virginia, United States
OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Rocket Lab provides orbital launch services and manufactures spacecraft.
2+ YOEBachelor in engineering; 2+ years (Level II) or 5+ years (Senior) in engineering design, test, or operations focusing on electrical/software systems; avionics experience; programming; networking knowledge; familiarity with ground/space systems.
Java, Python, HTML, XML, TCP/IP, UDP, Multicast
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3mo
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Eng Sr Prin II - Test
Annapolis Junction, Maryland, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Manufactures advanced defense, aerospace, and security technology solutions.
10+ YOEJava expertise; broad experience with Java/JEE, Python, C/C++, SQL, SOAP/WSDL; UI development; cryptography knowledge; Windows/Linux; web services; strong software principles; effective communication; independent thinker.
Java, Python, C/C++, SQL, SOAP/WSDL, PERL, PowerShell, Eclipse, Postgres, Oracle, Jenkins, JSON, HTML, XML, XSLT
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3w
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Manager Software Engineering
Fort Washington, Pennsylvania, United States
OnsiteFull Time
Jefferson
Jefferson: Providing healthcare services and academic programs in Pennsylvania.
10+ YOE5+ MgmtSenior software engineering leader with 10+ years of experience, 5+ in leadership; strong Java/JavaScript/Python; cloud, DevOps, CI/CD; security, architecture, mentorship.
Java, JavaScript, Python, Cloud, DevOps, CI/CD, Docker, Kubernetes, Spring Boot, ORM, Git, Elasticsearch, Logstash, Kibana, Splunk
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2mo
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Database Engineer/Oracle Database Administrator - CLEARANCE and POLYGRAPH REQUIRED
Annapolis Junction or Fort Meade
$175k-$230k/yr OnsiteFull Time
Constellation Technologies
Constellation Technologies: Provides engineering and cybersecurity services to federal government agencies.
10+ YOEUS citizen with TS/SCI clearance and polygraph; 10+ years database experience; Oracle and NoSQL DB experience; Bachelor's degree or higher; strong SQL/PLSQL, scripting (JavaScript, Bash/Unix, Perl, Python)
Oracle, SQL, PL/SQL, NoSQL, PostgreSQL, MongoDB, JavaScript, Bash, Linux, Perl, Python, Java, ETL, Cassandra, Agile
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2w
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Director of Software Engineering
Wilmington or Columbus
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
10+ YOE5+ Mgmt10+ years software engineering; 5+ years leading technologists; proficient in Python, Java, Spring Boot, AWS/Cloud Foundry, Kafka; relational/noSQL databases; API/event-driven architectures.
Python, Java, Spring Boot, Restful Microservices, AWS, Cloud Foundry, Kubernetes, Kafka, Cassandra, PostgreSQL, GAIA Oracle Services, Graph Databases
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HiringCafe market data

Senior 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
37
Hiring companies
23
Fresh sample
45% new in 30d
Salary visibility
70% show pay

Companies appearing in this market

Lockheed MartinJPMorgan ChaseGeneral Dynamics Information TechnologyGliaCell TechnologiesSunayuBAE SystemsBoeing Intelligence & AnalyticsCACI

Work location mix in visible results

Onsite: 28Remote: 3Hybrid: 2