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Java Engineer Jobs in Seaford, DE, US
46 java engineer jobs from 30 companies hiring in Seaford, DE, US.
1mo
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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
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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
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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
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Test Engineer Intern
Lexington Park, Maryland, United States
$53k-$108k/yr OnsiteAll Commitments Available
0+ YOEIntern with experience in Java, Python, or C++; ability to obtain Secret clearance; pursuing Bachelor's degree with completion by Summer 2028.
Java, Python, C++
2mo
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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
5d
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Avionics Systems Engineer
Lexington Park, Maryland, United States
$122k-$165k/yr HybridFull Time
Knowledge of software engineering fundamentals, programming in multiple languages, avionics concepts, and experience in team engineering environments.
C, C++, Ada, Java, assembly language
1mo
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1504 - Software Systems Engineer / Requirements Writer
Patuxent River, Maryland, United States
$80k-$110k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
2+ YOE2-5 years in systems engineering or P-8 related DoD software; U.S. citizen with ability to obtain/maintain active Secret clearance; B.S. in Computer Science or related field; strong writing/communication; experience with RHEL, Python, Java, Atlassian; Naval/DoD software experience preferred.
RHEL, Python, Java, Legacy Naval/DoD Applications, Atlassian Suite
2w
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Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
0+ YOE0-5 years software engineering experience; Linux environment proficiency; Java, Go, JavaScript, C/C++, Python knowledge.
Java, Go, JavaScript, C/C++, Python, Linux, Red Hat Enterprise Linux (RHEL), Docker, Kubernetes, Podman, Git, Bitbucket, Jira, HTML, CSS, React, REST, JSON, WildFly
2mo
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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
1mo
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Senior Software Engineer - Back End
Annapolis Junction, Maryland, United States
$187k-$250k/yr HybridFull Time
20+ YOESenior software engineer with 20+ years experience, TS/SCI with Poly, Bachelor's in CS/Engineering, strong Java/C++/Python, AWS, and DevOps.
AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack, Git, Java, C++, Python, PostgreSQL, SQL
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$176k-$282k/yr OnsiteFull Time
20+ YOESenior software engineer with strong Java/JavaScript, UI focus, TS/SCI with poly, BS in CS or 20+ yrs experience.
Java, JavaScript, Vue.js, Linux, Spring Boot, jQuery, CSS, Bootstrap, Plotly, MongoDB, Elasticsearch, OpenSearch, Tomcat, AWS, CI/CD, UX, Velocity Templates, Jersey
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Avionics Test and Launch Engineer II / Senior
Wallops Island, Virginia, United States
OnsiteFull Time
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
3w
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Software Engineer
California or Patuxent River
HybridFull Time
4+ YOEBachelor’s degree in CS/Software Engineering or related field; 4+ years in software development; cross-platform (Linux/Windows); strong C/C++, C#, Java, SQL; DevOps, CI/CD, ETL, NoSQL (MongoDB); microservices; security testing; 25% travel.
C/C++, C#, Java, SQL, Linux, Windows, MongoDB, ETL, DevOps, CI/CD
1mo
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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
1mo
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Software Engineer with Poly SR SWE1
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOETop Secret/SCI with polygraph; 7+ years of software engineering; BS in Computer Science or related field; full stack experience (JavaScript, React, Mongo); strong Linux and Java knowledge.
Java, JavaScript, React, MongoDB
2w
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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
1mo
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Software Engineer
Fredericksburg or Dahlgren
$80k-$95k/yr HybridFull Time
Bachelor's in CS/CE/Math/EE/Physics; software requirements, design, code, testing; Agile experience; C++/C# or Java; SECRET clearance to start; US citizenship; able to commute to Fredericksburg/Dahlgren, VA.
C++, Java, Rational Team Concert, GitLab, DevOps tools
2w
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SENIOR SOFTWARE ENGINEER (Req 26 013)
St. Inigoes, Maryland, United States
$120k-$140k/yr OnsiteFull Time
8+ YOEBachelor's degree in CS/Software Engineering; 8+ years software engineering experience; DoD/Navy program experience; proficient in .NET, C, C++, Java, Ada; data architectures and databases; active Secret clearance; on-site at St. Inigoes, MD.
.NET, C, C++, Java, Ada, SQL Server, PostgreSQL, Oracle
1mo
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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
2mo
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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
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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
2mo
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Eng Sr Prin II - Test
Annapolis Junction, Maryland, United States
$150k-$254k/yr OnsiteFull Time
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
1mo
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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
3d
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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
1w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
0+ YOE0+ years of related experience; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; US citizenship required; software development best practices; teamwork.
Python, Java, C/C++, Rust, JavaScript/TypeScript
3w
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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
2mo
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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
1mo
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Sr. Principal Software Engineer (AHT)
Manhattan Beach or Hollywood or Huntsville
$136k-$213k/yr OnsiteFull Time
8+ YOEBS/MS in STEM with 8/5 years experience; active DoD SECRET clearance; Agile/CI/CD; C#/Java/.NET; OO design; SQL; scripting (yaml, Python, PowerShell, Curl); Git/GitHub; Jira/Confluence.
C#, Java, DotNet, SQL, yaml, Python, PowerShell, Curl, Git, GitHub, Jira, Confluence, Docker, Kubernetes, AWS, Azure, REST, UML, DBMS
2d
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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
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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
1mo
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Senior Front-End Software Engineer
Fort Meade, Maryland, United States
$132k-$290k/yr OnsiteFull Time
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
3w
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Manager Software Engineering
Fort Washington, Pennsylvania, United States
OnsiteFull Time
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
2w
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Director of Software Engineering
Wilmington or Columbus
OnsiteFull Time
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
1w
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Software Engr III
Patuxent River, Maryland, United States
$128k-$213k/yr OnsiteFull Time
5+ YOEActive SECRET clearance; Bachelor’s in engineering or Computer Science with 5+ years software development experience; simulation-related software experience; strong analytical, communication, and teamwork skills; travel may be required.
Matlab, C++, Java, Python, Ruby
2mo
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Senior Systems Analyst (Operations)
College Park, Maryland, United States
OnsiteFull Time
3+ YOE3+ years Informatica PowerCenter operations; 3+ years batch scheduling with Control-M; 2+ years PostgreSQL; healthcare/insurance domain experience; Bachelor's in CS/IS/Engineering/related field; strong analytical and collaboration skills.
Informatica PowerCenter, AWS, Java, SSL, PGP, Control-M, J Boss, Tomcat, Red Hat JBoss, Fuse, Apache, Splunk, Jenkins, JIRA Service Desk, CI/CD, SQL, PostgreSQL
HiringCafe market data
Java Engineer Jobs market signals in Seaford, 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
46
Hiring companies
30
Fresh sample
44% new in 30d
Salary visibility
69% show pay
Companies appearing in this market
Lockheed MartinJPMorgan ChaseSigma DefenseBAE SystemsBoeing Intelligence & AnalyticsGeneral Dynamics Information TechnologyPeratonAdvantage Engineering & IT Solutions
Work location mix in visible results
Onsite: 37Hybrid: 8