📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Python Software Engineer Jobs in Harrington, DE, US
87 python software engineer jobs from 45 companies hiring in Harrington, DE, US.
1w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Developer
Welcome, Maryland, United States
$75k-$102k/yr OnsiteFull Time
5+ YOE0-5 years software engineering experience; Linux proficiency; Java/Go/JavaScript/C/C+/Python; React/Web tech; on-call rotation; US citizenship for security clearance.
React, Java, Go, JavaScript, C/C++, Python, Linux, RHEL, Kubernetes, Docker, Podman, Git, Bitbucket, Jira
2mo
Save
Mark Applied
Hide
Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne: Provides advanced technology and cybersecurity for national security missions.
14+ YOE14+ years software engineering experience; bachelor's in CS; current security clearance; full-stack and infra experience; Kubernetes, CI/CD, Go/Python/TypeScript; GitOps; Docker; Linux.
Kubernetes, Helm, GitOps, ArgoCD, Fleet, Docker, Go, Python, TypeScript, Linux
2mo
Save
Mark Applied
Hide
Software Engineer (NH-2)
Annapolis Junction, Maryland, United States
$180k-$205k/yr OnsiteFull Time
14+ YOEPython, Docker/Kubernetes; AWS and ML experience preferred; 14 years software engineering experience; bachelor’s degree or 18 years total experience.
Python, Docker, Kubernetes, AWS, PyTorch, NumPy, Pandas, Scikit-learn, GitOps, EC2, S3, RDS
2mo
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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)
6d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Expert CNO Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
20+ YOESenior-level CNO software engineer with expert-level Python/C/C++, hardware/software capabilities, and TS/SCI with poly clearance.
Python, C/C++, assembly, JIRA, Confluence, Crucible
3w
Save
Mark Applied
Hide
Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Engineering with 4 years experience or 6 years related software development experience; US citizenship; SECRET clearance; proficiency in Python, C++, Java, C#; CI/CD; DoD/C-UAS experience preferred.
Python, C++, Java, C#, CI/CD, containerization, microservices, cloud
2w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
AI/ML Software Engineer
Annapolis, Maryland, United States
HybridFull Time
3+ YOE3+ years data science/ML and 3+ years software engineering/architecture; experience with AI-enabled software systems, Python backend, SQL databases; familiarity with AI/LLM and non-LLM approaches.
Python, PostgreSQL, Git, Docker
3w
Save
Mark Applied
Hide
CyberTron Contract: Software Engineer I
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.
Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL
2mo
Save
Mark Applied
Hide
Software Engineer
Fort Meade, Maryland, United States
$200k-$230k/yr OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Software Engineer - Hybrid
Annapolis Junction, Maryland, United States
$165k-$185k/yr HybridFull Time
3+ YOETS/SCI with Poly required; degree plus years; Linux, Bash, Python/Java, Airflow, Spark, Docker/Podman, Git; AWS familiarity.
Apache Airflow, Python, Java, Bash, Linux, Apache Spark, Docker, Podman, Git, AWS
1w
Save
Mark Applied
Hide
Software Engineer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESeven years of SWE experience in similar scope; Bachelor’s in CS or related field; strong Python/GIT with CI/CD and Kubernetes, or VueJS stack; active clearance with polygraph.
Python, Git, CI/CD, Kubernetes, Vue.js, Vuetify, Leaflet, ElasticSearch, Node.js, REST, GRPC, MongoDB
1mo
Save
Mark Applied
Hide
CNO Software Engineer
Annapolis Junction or Annapolis
$113k-$257k/yr OnsiteFull Time, Part Time
8+ YOE8+ years software and embedded development; TS/SCI with polygraph; Bachelor's in CS/CE/EE/Math/Physics; experience with C/C++, Golang, JavaScript, Python, or Ruby; Linux; Git; scripting; vulnerability analysis; network protocols; FPGA/ASIC (nice); RF/Signals (nice).
C, C++, Golang, JavaScript, Python, Ruby, Linux, Git, Wireshark, tshark, Bash, FPGA, ASIC
2mo
Save
Mark Applied
Hide
Entry-Senior Software Engineer- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$95k-$230k/yr OnsiteFull Time
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
2w
Save
Mark Applied
Hide
Software Engineer, Lead
Annapolis Junction, Maryland, United States
$113k-$257k/yr RemoteFull Time
20+ YOEFull-stack developer with Kubernetes, Docker, Helm, Python, and version control; TS/SCI with polygraph; Bachelor's in CS or 20+ years experience, or 24+ years without a degree.
Kubernetes, Docker, Helm, Python, Git
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Software Engineer II
Annapolis Junction, Maryland, United States
$76k-$144k/yr OnsiteFull Time
2+ YOETypically requires STEM degree and 2+ years of software development experience; TS/SCI clearance or ability to obtain; strong C++ in Linux; scripting and XML; UI and web skills preferred.
C++, Linux, Python, Bash, Perl, JavaScript, XML, Qt, Angular, TensorFlow, git
2w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Senior Software Developer
Annapolis Junction, Maryland, United States
$203k-$249k/yr OnsiteFull Time
12+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; 12 years of relevant experience with a technical Bachelor's; additional 4 years experience substitutable for degree; on-site work
Python, JavaScript, Linux, Git, Docker, Kubernetes
2w
Save
Mark Applied
Hide
Embedded Software Engineer (Hybrid- Aberdeen, Maryland)
Aberdeen Proving Ground or Jersey City or Middletown or Aberdeen Proving Ground
$130k-$165k/yr HybridFull Time
8+ YOE8+ years embedded Linux software development; Xilinx UltraScale+; PetaLinux; PCB-based hardware bring-up; C/C++ and scripting; Git/SVN; DoD Secret clearance.
Xilinx UltraScale+, PetaLinux, C/C++, Python, Git, SVN, JTAG, UART, GDB, strace, perf, dmesg
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Engineer - Agentic AI Platform
Annapolis Junction or Herndon or Reston
$104k-$166k/yr OnsiteFull Time
5+ YOEBS with 5 years, MS with 3 years, or PhD with AI/ML experience; strong Python; agentic systems; LLM APIs; FastAPI/React; Docker/Kubernetes; PostgreSQL; US Citizenship required.
Python, FastAPI, React, Docker, Kubernetes, PostgreSQL, Airflow, Prefect, Celery, LangChain, LangGraph, DeepAgents, OpenTelemetry, Jaeger, Prometheus
4w
Save
Mark Applied
Hide
SOFTWARE ENGINEER - Angular - 8+ yrs of Experience - TS/SCI w/Poly clearance is required - TB
Annapolis or Fort Meade
$200k-$206k/yr OnsiteFull Time
6+ YOEEight+ years SWE experience; TS/SCI with Poly clearance required; Bachelor's in CS or related; Python experience; 6-10 years in similar programs.
Angular, TypeScript, Python, JavaScript, Linux
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
Senior Systems Engineer
Aberdeen Proving Ground, Maryland, United States
$135k-$155k/yr OnsiteFull Time
10+ YOEBachelor's in CS/Engineering; 10+ years experience; active Secret clearance; RF, systems/communications, or software engineering; MATLAB/Python; travel up to 25%.
MATLAB, Python, RF test equipment, data analysis tools
2w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
AI/ML Engineer
Annapolis or United States
$120k/yr RemoteFull Time
5+ YOEFive+ years data science/ML and five+ years software engineering experience; bachelor's in CS/engineering/data science/math; strong Python, SQL, ML/AI development, and system design skills.
Python, SQL, PostgreSQL, Git, Docker, React, Microsoft Teams Toolkit, Neo4j, Apache AGE, LLMs, Rust, vector databases
HiringCafe market data
Python Software Engineer 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
87
Hiring companies
45
Fresh sample
54% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
Booz Allen HamiltonLockheed MartinManTechRealmOneGeneral Dynamics Information TechnologyParsonsCaptivation SoftwareGDIT
Work location mix in visible results
Onsite: 50Hybrid: 9Remote: 4