837 python software developer jobs at 183 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
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
2mo
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Python Software Engineer (GC-2)
Annapolis Junction, Maryland, United States
$160k-$180k/yr OnsiteFull Time
Legato
Legato: Delivers IT engineering and cybersecurity services to defense agencies.
4+ YOEPython, AWS, Docker, Terraform; IAT Level 2; 4+ years IT applications experience; Bachelor's degree or 8 years equivalent.
Python, AWS, Docker, Terraform, Bash, SQL
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
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
2mo
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Software Engineer (Python, AWS, Docker, Terraform)
Fort Meade, Maryland, United States
OnsiteFull Time
Themis Insight
Themis Insight: Provides technical consulting and data analytics for national security.
4+ YOEProficient in Python, AWS, Docker, Terraform; TS/SCI with Poly; experience with ServiceNow and front-end technologies.
Python, AWS, Docker, Terraform, ServiceNow, JavaScript, HTML, CSS, AngularJS, JSON
3w
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Java Software Engineer with Python experience
Fort Meade or Hanover
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
4+ YOETS/SCI with polygraph required; strong Java and Python experience; bachelor's in Computer Science or 4 years SWE experience substitute; database/query skills, debugging, integration, and Agile familiarity.
Java, Python
9h
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Software Engineer 2 - Python/PySpark/AWS
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+ YOETop Secret/SCI with favorable polygraph and U.S. citizenship required; 14 years SWE experience; Bachelor’s in CS or related (or 4 years substitute); proficiency in Python, PySpark, and AWS.
Python, PySpark, AWS Lambda, AWS Glue, DynamoDB
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
2mo
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Software Engineer
Fort Meade, Maryland, United States
$160k-$180k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
7+ YOEActive TS/SCI with Polygraph; Bachelor's in a technical field and 7+ years of software development/engineering, or HS diploma with 11+ years; Python and/or C/C++ experience; software lifecycle understanding.
Python, C, C++, Software Development Life Cycle
3w
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gormat
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
3+ YOEBachelor's degree and 3+ years experience (Master's may substitute), active TS/SCI with poly required, experience with C/C++, Python, assembly, and Linux/Windows/Mobile platforms; software development, testing, reverse engineering, and vulnerability research.
Windows, Linux, C/C++, Python, Assembly
2d
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Software Engineer
Annapolis Junction, Maryland, United States
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Experience developing software (Java, Python, Rust, Go), Linux and container expertise, cloud (AWS/Azure/GCP) experience, Top Secret clearance, bachelor’s degree required.
Java, Python, Rust, Go, Linux, Docker, Kubernetes, AWS, Azure, Google, C#, C, C++, JavaScript, React, Node.JS
6d
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Software Engineer
Columbia, Maryland, United States
$170k-$240k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
12+ YOEActive TS/SCI with polygraph, U.S. citizenship, Bachelor's in a technical discipline (or equivalent), 12 years software development, advanced Python, Elasticsearch/Kibana/Grafana, RDS experience, strong communication.
Python, ElasticSearch, Kibana, Grafana, Amazon RDS
4w
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Senior Software Engineer (C++, Javascript, Python - TS/SCI with Polygraph required)
Annapolis Junction, Maryland, United States
$175k-$225k/yr OnsiteFull Time
Red Alpha
Red Alpha: Provides software engineering and data science for defense missions.
14+ YOE14+ years software development experience; Bachelor's in Computer Science (or 4 years extra experience); strong C++, Python, JavaScript; Linux, Git, Docker, Kubernetes; CI/CD (Jenkins, Maven, Nexus); active TS/SCI with Polygraph.
C++, Python, JavaScript, Linux, Git, Docker, Kubernetes, Jenkins, Maven, Nexus, Helm, ArgoCD, Keycloak, Groovy, RPM, YUM, DNF, Jira, Kendo UI Test Builder
2mo
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Software Engineer
Baltimore or Annapolis
HybridFull Time
ExistX
ExistX: Transitions national security research into operational software and systems.
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
1w
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
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
1mo
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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+ YOEBachelor's in CS/CE/EE/Physics/Math, 5+ years software development, strong modern C++ (C++11+), Python 3, Linux development, multi-threaded/concurrent software, Git, and ability to obtain Interim Secret and ultimately Top Secret clearance (U.S. citizenship).
C++, Python 3, Linux, Git, gRPC, JSON, AFSIM, EADSIM, Docker, Podman, Kubernetes, Rancher, OpenShift, CMake, Conan, GitLab CI/CD, SLURM
1mo
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Software Developer, Intermediate
Chambersburg, Pennsylvania, United States
$110k/yr HybridFull Time
AGE Solutions
AGE Solutions: Technology consulting and IT services for government agencies.
5+ YOEBachelor's degree, 5+ years software development, 2+ years full‑stack (React/Vue/Angular and Node.js/Python/Java), DoD 8140 qualification (DoD 8570 IAT II), and active DoD Secret clearance.
React, Vue, Angular, Node.js, Python, Java, AWS, Azure, Docker, Kubernetes
2w
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Senior Software Developer (Hybrid)
Annapolis Junction, Maryland, United States
$77k-$206k/yr HybridFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
9+ YOE9+ years software development experience (strong in Python or Java), reverse engineering or LLM application development skills, familiarity with EM tooling and testing frameworks, BS in Computer Science or related field.
Python, Java, IDA, Ghidra, x86 Assembly, ARM Assembly, PPC Assembly, Langchain, LangGraph, LangSmith, JUnit, Pytest, gRPC, poetry, gradle, uv
1w
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Software Engineer
Annapolis Junction, Maryland, United States
$126k-$270k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
14+ YOEBachelor's in CS/CE/EE/Math/Physics, 14+ years software engineering, TS/SCI with Polygraph, experience with C/C++/C#/Java/Python, CI/CD and build/deploy tools, Windows/UNIX development, strong communication and design skills.
C, C++, C#, Java, Python, Artifactory, Docker, Terraform, Ansible, Packer, Jenkins, Bamboo, Windows, UNIX

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