592 senior software engineer python jobs at 138 companies in Hanover, PA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
6d
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Senior Python Software Engineer
Laurel, Maryland, United States
$170k-$230k/yr OnsiteFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
14+ YOEActive or rein-statable TS/SCI with Polygraph, U.S. citizenship, ~14 years experience (or BS plus 14 years / or 18 years in lieu of BS), strong Python and ML experience, Linux, Jira/Confluence, and security-cleared government contract experience.
Python, GM Learn, Jira, Confluence, Linux, Java, Scala, Lucene, JEXL, SQL, JSON, Ghostmachine, Jupyter Notebooks, IntelliJ, Eclipse, Git, Gitlab, Stash, Bitbucket, Scikit-learn, AWS, Spark
1mo
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Senior C++/Python Software Engineer - Clearance Required
Hanover, Maryland, United States
$151k-$266k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
15+ YOETS/SCI with poly required, Bachelor's in CS or equiv, 15+ years software engineering experience, strong Python and C/C++ skills, scripting (Bash/awk/sed/PowerShell), RF signals familiarity, EM/STM32 experience preferred.
Python, C/C++, Bash, awk, sed, Microsoft PowerShell, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi4, Raspberry Pi5, FieldFox, Spectrum analyzer, multimeter
1mo
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CNO Python Software Engineer
Hanover, Maryland, United States
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOERequires active TS/SCI with poly, Python development, JSON/YAML, version control, OO design, task automation; BS + 7+ years programming experience or HS + 11+ years.
Python, JSON, YAML, SQL, NoSQL, Subversion, GIT, Confluence, Jira, Crucible, TCP/IP, Scrum, TDD, Waterfall
1mo
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Software Engineer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
14+ YOESenior full-stack developer with experience in C++, JavaScript, and Python; TS/SCI clearance with polygraph; 14+ years of software engineering experience or 18+ years in lieu of degree.
C++, JavaScript, Python
3mo
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Senior‑Level Python Developer (Python, C++)
Annapolis Junction, Maryland, United States
$155k-$175k/yr OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
8+ YOEBachelor’s degree in computer science; 8+ years relevant experience; Python, C++, Spark; Jupyter Notebooks; JIRA, Confluence, Git/GitLab; knowledge of customer tools; active TS/SCI with Polygraph.
Python, C++, Spark, Jupyter Notebooks, JIRA, Confluence, Git/GitLab
1mo
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Python Software Engineer-TS/SCI with Poly
Linthicum Heights, Maryland, United States
$113k-$238k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOETS/SCI with Poly clearance; 7+ years SWE; Python, Django or Flask, REST, microservices; experience with MongoDB, MariaDB or PostgreSQL; bachelor’s in CS or 4 yrs additional experience can substitute.
Python, Django, Flask, MariaDB, MongoDB, PostgreSQL, ReST, JSON, Swagger, AWS, C2S, Docker, Visual Studio Code, XML, Jira, Confluence, Git
2mo
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Senior Software Engineer, Python
Linthicum, Maryland, United States
OnsiteFull Time
CyberMaxx
CyberMaxx: Provides managed detection and response cybersecurity services to organizations.
5+ YOE5+ years Python3, 2+ years MySQL, REST APIs, data science basics; Django and ML packages a plus.
Python, MySQL, RESTful APIs, Django, Keras, TensorFlow
3mo
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Software Engineer, Senior
Fort Meade or Laurel
$87k-$198k/yr RemoteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
10+ YOESenior full-stack developer with React/Next.js, Git/Jenkins, TS/SCI with polygraph, and 10+ years of software engineering experience (or relevant degrees with more years).
React, Next.js, Git, Jenkins, GitLab CI/CD, Express, Flask, Spring, FastAPI, Docker, Kubernetes, Swarm, Elasticsearch, Kibana, Grafana, Redis, Kafka, Nginx, AWS, HAProxy, Python
1mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
Solar Landscape
Solar Landscape: Develops and operates commercial rooftop solar energy projects.
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
2w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
3d
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Senior Software Engineer
Hanover, Maryland, United States
$200k-$245k/yr OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
20+ YOEUS citizen with TS/SCI with poly, Bachelor\u0002s in a technical field, minimum 20 years software engineering experience, extensive full-stack development, strong C/C++/Python and SWORD experience, communications and real-time systems experience.
C++, C, Python, SWORD
4w
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Senior Software Developer (Systems Software)
Columbia or Fort Meade
$146k/yr OnsiteFull Time
Endictus
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
10+ YOEActive TS/SCI with CI Polygraph; degree in CS or related field; extensive systems software and CNO experience; proficiency in C/C++, Java or Python; strong OS, networking, distributed systems, and software engineering skills.
C, C++, Java, Python
3mo
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
3w
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Senior Software Engineer
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBS in CS or related engineering field, 5+ years experience with Python or C++, software implementation from requirements, project leadership, strong critical thinking/communication/organization, willingness to travel up to 5%, and ability to obtain Interim Secret and Secret clearance (U.S. citizenship required).
Python, C++
1mo
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Software Engineer 2 - Zabbix/Python/Java/CSC/Linux
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
14+ YOEMust hold Top Secret/SCI with favorable Polygraph and be a U.S. citizen; 14 years software engineering experience; Bachelor's degree; experience with Zabbix, Python, Java, CSC, and Linux.
Zabbix, Python, Java, CSC, Linux
2w
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$175k-$210k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
14+ YOEActive TS/SCI with polygraph, Bachelor’s in CS or related with 14+ years experience, strong software development skills (Git, Java/C++,Python), Postgres, Jira/Confluence, Agile experience.
Git, Java, C++, Python, Postgres, Jira, Confluence, Amazon Web Services (AWS), Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
1mo
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Senior Software Engineer- Hybrid
Annapolis Junction, Maryland, United States
HybridFull Time
Envision Innovative Solutions
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
14+ YOE14+ years software engineering experience; strong Java, Python, or C++ skills; PostgreSQL and complex SQL query experience; AWS and Git experience; Agile development; TS/SCI with Full Scope Polygraph required.
Java, Python, C++, PostgreSQL, SQL, Amazon Web Services (AWS), Git
6d
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Senior Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
14+ YOEActive U.S. citizenship and Top Secret/SCI with Full Scope Polygraph required; 14 years software engineering experience (or 18 without degree) and bachelor\u0002s in CS or related (or equivalent experience); experience in large-scale systems, algorithms, and software lifecycle.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS Code, Windows, Unix, Linux, macOS, Atlassian Suite (JIRA, Confluence), GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
1mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$150k-$270k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
7+ YOEBachelor's in CS or related, 7+ years software development, proficiency in Java/Python/C++, system design and distributed systems experience; TS/SCI w/ Polygraph and U.S. citizenship required; cloud/Kubernetes experience preferred.
Java, Python, C++, AWS, Azure, Kubernetes
2w
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Senior Software Engineer
Germantown, Maryland, United States
$107k-$145k/yr OnsiteFull Time
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
5+ YOEBachelor's in engineering, 5+ years experience, fluency in C/C++, Linux and RTOS experience, multithreading and hardware interfacing skills, EM engineering tools (MATLAB/Python/Rust) familiarity, ability to lead technical groups, U.S. citizenship and ability to obtain DoD clearance.
C, C++, Linux, RTOS, MATLAB, Python, Rust