Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
8+ YOETop Secret/SCI clearance with polygraph; 8+ years SWE experience; BS CS or related discipline; 4 years experience can substitute for degree; skills in Grafana, Bash, Python, JavaScript.
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
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)
Vanguard: Provides mutual funds, ETFs, and investment management services.
8+ YOEEight years of related experience with strong development skills; in-office five days; proficiency in AWS, Python, Java; troubleshooting and production support.
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
2+ YOE2+ years software development; C#/.NET/Python/Java/C++ or C; distributed programming; building pipelines; on-call support; TS/SCI with poly; US passport.
C#, NET, Python, Java, C++, C, Azure Data Factory, PowerBI
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.
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
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.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience in RF software design, development, and testing; proficient in C++, Python, MATLAB; DSP experience; ability to obtain US security clearance with polygraph.
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.
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.
Athena: Provides premium managed executive assistant services for global leaders.
5+ YOE5+ years backend development; Python or Node.js; SQL/NoSQL databases; REST APIs; microservices; cloud (AWS/Azure/GCP); AI infra experience preferred.
T-Rex Solutions: IT modernization and cybersecurity for the federal government.
4+ YOEBS in a technical field or HS diploma with 4+ years of technical experience; proficient in Python or C/C++; capable of troubleshooting and debugging; onsite role; TS/SCI w/Polygraph clearance.
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
Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yrOnsiteFull Time
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEBachelor's degree in engineering; 5+ years full software development lifecycle experience; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
4+ YOE4+ years automation development in Microsoft ecosystem; degree in CS or equivalent; experience with AI agents, RPA, data pipelines; Power Automate; Azure; APIs; scripting.
Microsoft Power Automate, Power Platform, Copilot Studio, Copilot agents, WorkIQ, Azure, SQL, Power BI, Python, PowerShell
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOE5-7 years building agentic AI systems in production; hands-on with ADK and Python; experience with Gemini Enterprise; AI in SDLC; strong prompt engineering; production-grade software.
Agent Development Kit (ADK), Python, Gemini Enterprise
Integrated Solutions for Systems: Provides engineering and management solutions for defense and government.
5+ YOEBachelor’s degree in engineering, computer science, or related field; 5+ years AI experience; agentic AI; cloud platforms; programming in Go/C++/Python; US citizenship and ability to obtain clearance; willing to travel.
Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yrOnsiteFull Time
Amtrak: Operates America's national intercity passenger railroad system.
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
RealmOne: Provides advanced technology services for national security agencies.
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.
Red Arch Solutions: Provides IT engineering solutions for the intelligence community.
3+ YOEActive TS/SCI with polygraph; Master's or Bachelor's in CS or related field with 3/5/7 years SWE experience; Linux CLI; Bash; Python; Docker/Kubernetes; NoSQL (MongoDB); SQL (PostgreSQL); CI/CD; Git; RabbitMQ; Jira/Confluence; Ansible IaC.
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
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.
Johnson ControlsNYSE: JCI: Provides building products, HVAC systems, and fire safety solutions.
5+ YOESenior Software Test Engineer with 5+ years in software development and testing; 4+ years manual testing (preferably automated); proficient in C/C++, Python; hardware testing with oscilloscopes, logic analyzers, and JTAG; experience leading testing for embedded systems; US citizen or permanent resident.
Python Developer Jobs market signals in Smyrna, 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
330+
Hiring companies
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Salary visibility
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Companies appearing in this market
JPMorgan ChaseBoeingGeneral Dynamics Information TechnologyRealmOneBlackRockLockheed MartinManTechParsons