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Software Developer Jobs in Seaford, DE, US
98 software developer jobs from 61 companies hiring in Seaford, DE, US.
3w
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOE7+ years in software development; TS/SCI with Poly; Bachelor's in CS; Linux development; C/C++, Python; Git/GitLab; IDEs (VSCode, Eclipse); Agile (Scrum); geospatial processing and SDR familiarity.
Linux, C/C++, Python, Git, GitLab, VS Code, Eclipse, Agile (Scrum)
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
1w
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OCO Software Developer/Engineer
Annapolis Junction, Maryland, United States
$149k-$201k/yr HybridFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years of related experience; proficient in C/C++, Python; ability to obtain TS/SCI clearance; develop cyber tools and software.
C, C++, Python, Rust, Go, Git, CI/CD
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
3w
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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
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
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
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
1mo
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Network Software Developer, Journeyman NGTS
Patuxent River, Maryland, United States
OnsiteFull Time
3+ YOEBS in science/engineering; 3+ years C++; DoD Secret clearance; experience with network programming and software development.
C++, Python, HTML, Sockets, DDS, HLA, DIS
2w
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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
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Junior Software Developer
Annapolis Junction, Maryland, United States
$139k-$179k/yr OnsiteFull Time
7+ YOETop Secret clearance with polygraph; US citizenship; 7 years software engineering experience; BS in CS or related field; cloud/big data exposure; experience with data/workflow systems.
Hadoop, Hive, Pig, HDFS, MapReduce, JSON, BSON, HBase, Accumulo
3w
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Software Engineer 3 - III
Annapolis Junction, Maryland, United States
RemoteFull Time
12+ YOE12+ years software engineering experience on complex programs; bachelor's in CS; 4 additional years may substitute for degree.
React, JavaScript, node.js, Rust, Python, shell script, Kubernetes, Helm, Micro-Services, Service-mesh, Load Balancing, Cloud Migration, nifi, JEST, Grafana, InfluxDb, Elasticsearch, Redis, mysql, Apache Superset, RabbitMQ, Kafka, Ansible, Salt, Terraform, Web-Sockets, JBLOCKS, CASPORT, Neo4j
1mo
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Software Engineer II, Government Systems
California, Maryland, United States
$85k-$115k/yr OnsiteFull Time
3+ YOEDesign, develop, test, and maintain distributed and embedded software for UAV/USV programs; containerization; Linux/DevSecOps; DoD clearance eligibility; travel.
Linux, Docker, Kubernetes, Terraform, Ansible, DevSecOps
5d
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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
1w
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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
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Senior Software Integration Engineer
Patuxent River, Maryland, United States
$125k-$150k/yr OnsiteFull Time
10+ YOE10+ years in software engineering; embedded real-time software; avionics familiarity; strong communication; program office experience; BS in CS or Engineering; Active Top Secret clearance.
C, C++, Ada, Ada95, Ada98, Real-time Operating Systems
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
1mo
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Senior Software Developer (MD, Great Mills)
Great Mills, Maryland, United States
OnsiteFull Time
Develop, maintain high-performance C++ software for avionics in a classified lab; real-time HITL testing; simulate mission systems; integrate with avionics interfaces; document and support lab operations.
C++, MIL-STD-1553, ARINC 429
4d
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Senior Principal Software Engineer/ Staff Software Engineer
Bowie or Baltimore or United States
$222k-$232k/yr HybridFull Time
6+ YOEBachelor’s degree in Computer Science or related field with at least 6 years of IT experience; strong Unix, C#, .NET, Angular, SOAP/REST, ASP.NET Core 2.x, Kafka, Azure API Gateway, PCF.
C#, .NET Framework, Angular, SOAP, REST, ASP.NET Core, Kafka, Azure API Gateway, Pivotal Cloud Foundry, Unix
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
3mo
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Senior Embedded Software Engineer
Newark, Delaware, United States
$107k-$167k/yr OnsiteFull Time
5+ YOESenior embedded software engineer with 5–8 years (BS) or 4–6 years (MS) in embedded systems, RTOS, and C/C++.
C/C++, RTOS, CI/CD, Version Control, Debugging
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
2mo
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Embedded Software Engineer, Lead
Lexington Park, Maryland, United States
$113k-$257k/yr HybridFull Time
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
4w
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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
1w
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Software Engineer - Early Career
Camden or Moorestown
OnsiteFull Time
0+ YOEBachelor’s degree in Computer Science or equivalent; OO C++ experience; automated testing tools; US citizen; ability to obtain government security clearance
C++, UML, Linux, Git, JIRA, Confluence, Python
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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CNO Software Engineer
Annapolis Junction, Maryland, United States
$250k-$300k/yr OnsiteFull Time
7+ YOE7+ years of experience; TS clearance; strong C/C++, Python; assembly; reverse engineering with Ghidra/IDA Pro; Windows/Linux CNO; persistence focus.
C/C++, Python, Assembly, Ghidra, IDA Pro, Windows, Linux, NDK
4w
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AI Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOETS/SCI with polygraph; BS in CS or related STEM with 5 years experience; Python; AI/ML tooling; Agile tools; security clearances.
Python, LLM, RAG, Git, Jira, Confluence, Rust, Claude Code, Codex
1mo
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Software Engineer(Front-End/React), Senior Advisor
Laurel, Maryland, United States
$146k-$234k/yr OnsiteFull Time
14+ YOE14+ years SWE experience; BS in CS/Engineering/Math/Statistics; strong React and JavaScript; active TS/SCI with poly; front-end development
React, JavaScript, Redux, TypeScript
1mo
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Sr. Software Developer (Real-Time Simulation & Dev Lab) - 27748 (California, MD, Maryland, United States)
California, Maryland, United States
$129k-$185k/yr OnsiteFull Time
9+ YOESenior software developer with real-time simulation experience; strong C++ and Linux skills; security clearance required; travel 0-10%.
C++, Git, Linux, Bash, Windows
1w
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Software Engineer 3 - Go/Python/Kubernetes/Kafka/Ansible
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
20+ YOESenior software engineer with TS/SCI clearance, 20 years SWE experience; BS in CS/CE/EE; Go/Python; Kubernetes, Helm, GitOps, Terraform, Ansible; lead architecture and mentor engineers.
Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible
5d
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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
2w
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Cloud Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
U.S. Citizenship required; active security clearance with polygraph; DoD 8570 certification.
1w
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Modeling, Simulation, and Physics Software Engineer
Annapolis Junction, Maryland, United States
$69k-$158k/yr OnsiteFull Time
Lead full-stack developer with Python/MATLAB/NumPy/SciPy/Julia/Octave experience; modeling and simulation; security clearance required; Bachelor’s degree; strong software fundamentals; capable of team leadership.
Python, MATLAB, NumPy, SciPy, Julia, Octave, Ansys, PyAnsys
2mo
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Senior Software Engineer - Vehicle Modeling
Sunnyvale or Mountain View or Milford
$129k-$198k/yr HybridFull Time
3+ YOEBachelor's degree in Mechanical Engineering, Applied Physics, Aerospace Engineering, Computer Science, or related field; 3+ years in vehicle modeling; expertise in vehicle system modeling; strong Python and C/C++; Matlab/Simulink and data analysis experience.
Python, C/C++, Matlab/Simulink, System ID, data analysis
1mo
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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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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
1mo
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Full Stack Software Engineer- AI Infrastructure
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
Must be a U.S. citizen with active polygraph clearance; bachelor's degree in CS/engineering or related field; strong background in building scalable production systems and cloud/Kubernetes environments.
AWS, Kubernetes, Python, OpenTelemetry, Grafana, Prometheus, LangChain, vLLM, LiteLLM
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
2w
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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
HiringCafe market data
Software 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
98
Hiring companies
61
Fresh sample
48% new in 30d
Salary visibility
73% show pay
Companies appearing in this market
Lockheed MartinBGIGeneral Dynamics Information TechnologyPeratonSigma DefenseBoeing Intelligence & AnalyticsBooz AllenCACI
Work location mix in visible results
Onsite: 51Hybrid: 11Remote: 1