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Software Java Engineer Jobs in Seaford, DE, US

43 software java engineer jobs from 28 companies hiring in Seaford, DE, US.

All jobs in Seaford, DE, USSoftware Java Engineer Jobs in United States
Nearby:Salisbury·Laurel·Easton·Georgetown·Cambridge·Milford·Dover·Ocean Pines·Bridgeville·Federalsburg·Smyrna·Chesapeake Ranch Estates-Drum Point·Millsboro·Fruitland·Chesapeake Ranch Estates·Villas·Denton·Ocean City·Harrington
43 jobs- Seaford • 50 miles
1mo
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Java Software Engineer
Annapolis Junction, Maryland, United States
$147k-$249k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
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
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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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1mo
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Java Automation Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
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
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2w
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Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
Space Ground System Solutions
Space Ground System Solutions: Provides engineering services for satellite ground systems and space missions.
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
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3w
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Software Engineer
California or Patuxent River
HybridFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
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
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1mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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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1mo
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Software Engineer
Fredericksburg or Dahlgren
$80k-$95k/yr HybridFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
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
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1mo
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Senior Software Engineer - Back End
Annapolis Junction, Maryland, United States
$187k-$250k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
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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2mo
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Software Engineer
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
The Swift Group
The Swift Group: Engineering and technology solutions for the national security community.
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
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1mo
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Software Engineer, Level 1 (AE26031323SW1)
Annapolis Junction, Maryland, United States
$145k-$155k/yr HybridFull Time
Advantage Engineering & IT Solutions
Advantage Engineering & IT Solutions: Provides technical engineering and IT services for government agencies.
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
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1mo
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1655 - Software Developer
Patuxent River, Maryland, United States
$90k-$120k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
2+ YOE2-5 years software development experience; Java; Linux (RHEL); containerized microservices; US citizen; bachelor's degree; active Secret clearance or higher
Linux, RHEL, Java, Python, Atlassian Tools, Docker
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1w
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Software Engineer I (Onsite)
Fulton, Maryland, United States
$63k-$120k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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
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6d
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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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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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2w
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SENIOR SOFTWARE ENGINEER (Req 26 013)
St. Inigoes, Maryland, United States
$120k-$140k/yr OnsiteFull Time
Amelex
Amelex: Provides engineering and program management services to defense agencies.
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
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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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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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1w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
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3d
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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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2mo
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Embedded Software Engineer, Lead
Lexington Park, Maryland, United States
$113k-$257k/yr HybridFull Time
Booz Allen
Booz AllenNYSE: BAH: Provides management and technology consulting services to government and commercial clients.
8+ YOE8+ years embedded software experience, leadership, SE Linux, security clearance (Secret), Bachelor's or 10+ years experience in lieu of degree.
C/C++, Java, Go, GoLang, Python, Red Hat Enterprise Linux, SE Linux
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1mo
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Sr. Principal Software Engineer (AHT)
Manhattan Beach or Hollywood or Huntsville
$136k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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
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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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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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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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2d
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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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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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1w
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Software Engr III
Patuxent River, Maryland, United States
$128k-$213k/yr OnsiteFull Time
Scientific Research Corporation
Scientific Research Corporation: Providing advanced technology and engineering solutions to the U.S. government.
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
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2mo
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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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5d
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Avionics Systems Engineer
Lexington Park, Maryland, United States
$122k-$165k/yr HybridFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
Knowledge of software engineering fundamentals, programming in multiple languages, avionics concepts, and experience in team engineering environments.
C, C++, Ada, Java, assembly language
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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
Booker DiMaio
Booker DiMaio: Software engineering and IT modernization for government agencies.
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
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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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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
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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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HiringCafe market data

Software 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
43
Hiring companies
28
Fresh sample
45% 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: 34Hybrid: 8