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Java Python Developer Jobs in Seaford, DE, US

31 java python developer jobs from 19 companies hiring in Seaford, DE, US.

31 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
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
2w
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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
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
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
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
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
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
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
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
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
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
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
2w
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Test Engineer Intern
Lexington Park, Maryland, United States
$53k-$108k/yr OnsiteAll Commitments Available
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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
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
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
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
3d
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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
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
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
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
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
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

HiringCafe market data

Java Python Developer 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
31
Hiring companies
19
Fresh sample
42% new in 30d
Salary visibility
71% show pay

Companies appearing in this market

Lockheed MartinSigma DefenseBAE SystemsBoeing Intelligence & AnalyticsGeneral Dynamics Information TechnologyAdvantage Engineering & IT SolutionsBooz AllenBooz Allen Hamilton

Work location mix in visible results

Onsite: 26Hybrid: 4Remote: 1