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Python Developer Jobs in Clayton, DE, US

350+ python developer jobs from 130+ companies hiring in Clayton, DE, US.

351 jobs- Clayton • 50 miles
1mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteAll Commitments Available
Best Egg
Best Egg: Provides personal loans and credit cards for prime borrowers.
4+ YOE4-6 years of software engineering, strong Java/Python backend, AWS experience, SQL/NoSQL knowledge, CI/CD, Docker, and collaboration skills.
Java, Python, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog, CI/CD
1mo
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AI Platform Engineer, Python - Lead Software Engineer
Wilmington, Delaware, United States
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial firm providing banking and investment management services.
5+ YOE5+ years software engineering; Python; DevOps; CI/CD; cloud; AI feature development and security.
Python, DevOps, CI/CD, cloud platforms, automation, testing, Terraform
1mo
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Software Engineer III - Python/AWS/Kafka
Jersey City or Houston or Columbus or Wilmington
$133k-$185k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
3+ years backend software development with Python; AWS core services; REST APIs; Docker; Git; CI/CD; interested in AI/ML; code reviews; teamwork.
Python, FastAPI, Flask, AWS, Lambda, API Gateway, RDS, Aurora, DynamoDB, S3, SQS, SNS, Kinesis, Kafka, MSK, Docker, Terraform, AWS CloudFormation, CloudWatch, X-Ray, Git, CI/CD
1w
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Software Engineer 2 - Grafana/Bash/Python/JavaScript
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
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.
Grafana, Bash, Python, JavaScript
5d
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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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CNO Developer
Hanover, Maryland, United States
OnsiteFull Time
ManTech
ManTech: Delivers technology and cybersecurity solutions to national security agencies.
4+ YOEDevelop and implement CNO capabilities; strong Python/C++ skills; TS/SCI with poly clearance preferred.
Python, C/C++, JIRA, Confluence, Crucible, TCP/IP
2w
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
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)
1w
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Application Engineer - IV
Malvern, Pennsylvania, United States
OnsiteFull Time
Vanguard
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.
AWS, Python, Java, MS Office programming tools
1mo
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Software Engineer
Annapolis Junction or Reston
$104k-$192k/yr OnsiteFull Time
Accenture Federal Services
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
3w
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Associate Database Platform Developer
Wilmington, Delaware, United States
$90k-$110k/yr HybridFull Time
BlackRock
BlackRockNYSE: BLK: Provides investment management and financial technology services globally.
Experience with Python, Perl, or Java; basic SQL and relational databases; software development basics; strong problem solving; team collaboration.
Python, Perl, Java, SQL
1mo
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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
6d
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Full Stack Palantir Foundry Developer
Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle
$149k-$215k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEFull stack software development with 5+ years experience; React/TypeScript; Python/PySpark; ontology/taxonomy development; Foundry experience preferred.
ReactJS, Redux, JavaScript, TypeScript, Python, PySpark, REST, Git, S3/Parquet
1mo
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Java Software Engineer
Annapolis Junction, Maryland, United States
$147k-$249k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
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
2mo
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Full Stack Developer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
Eccalon
Eccalon: Develops cybersecurity, AI, and defense technology solutions for government.
3+ YOE3+ years as a full stack developer; React/Next.js; Node.js/Python; DoD/regulatory experience a plus; AI/LLM integration experience.
React, Next.js, Node.js, Python, AWS, PostgreSQL, DynamoDB, MongoDB, REST APIs, Git
2mo
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Software Engineer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides technology and intelligence services for national security missions.
20+ YOETwenty years SWE experience; BS in computer science; strong Python, Kubernetes, Git, CI/CD, sprint development; RF experience; active security clearance with polygraph.
Python, Kubernetes, Git, CI/CD, Sprint
3w
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Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
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.
Python, C++, Java, C#, CI/CD, containerization, microservices, cloud
4w
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RF Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Lockheed Martin
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.
C++, Python, MATLAB, Simulink, LabVIEW
2mo
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Software Engineer
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
The Swift Group
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.
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
1w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
GDIT
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.
Python, Java, C/C++, Rust, JavaScript/TypeScript
1mo
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Senior Backend Engineer – AI Agent
Wilmington, Delaware, United States
RemoteFull Time
Athena
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.
Python, Node.js, SQL, NoSQL, RESTful APIs, Microservices, AWS, Azure, GCP, AI infrastructure
1w
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Senior Software Applications Developer
West Chester or United States or North America
RemoteFull Time
New Era Technology
New Era Technology: Global provider of managed IT services and technology solutions.
4+ YOEBachelor’s degree in Computer Science; 4+ years software development; experience with Java, Python, C#; CI/CD tools like Jenkins, GitLab, TeamCity; software design, testing, and automation.
Java, Python, C#, CI/CD, Version Control, Bug Tracking, Automation Frameworks
1mo
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CNO Developer
Hanover or Fort Meade
$120k-$150k/yr OnsiteFull Time
T-Rex Solutions
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.
Python, C/C++, TCP/IP, socket programming, Assembley programming concepts, Atlassian tools (JIRA Confluence Crucible), JIRA, Confluence, Crucible
1mo
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Embedded Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
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
Linux, Windows, Embedded systems, Ghidra, C, C++, Python, Rust, Go, Git, Subversion, Jira, Confluence, PowerShell, Bash, Assembly, Java, JavaScript
2mo
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Software Developer (55390)
Aberdeen, Maryland, United States
$100k-$110k/yr OnsiteFull Time
DataPath
DataPath: Manufactures satellite communication terminals and provides ground system solutions.
10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.
Java, Python, C#, JavaScript
1mo
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Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
Boeing
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.
C, C++, C#, Python, Java, Ada, Linux, Git, CI/CD, DOORS, DO-178C
1mo
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CNO Software Engineer
Annapolis Junction or Annapolis
$113k-$257k/yr OnsiteFull Time, Part Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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
3w
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Senior Automation Developer
Camden, New Jersey, United States
$90k-$105k/yr HybridFull Time
Conner Strong & Buckelew
Conner Strong & Buckelew: Provides commercial insurance brokerage and risk management consulting services.
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
2w
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Mid-Level Application Developer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
6+ YOETS/SCI with polygraph; 6 yrs experience or 4 yrs with B.S./4 yrs M.S; proficient in C/C++/Python; Unix; network programming; Jira/Confluence; Git/Subversion.
C/C++, Python, Unix, Network Programming, Jira, Confluence, Git, Subversion
1mo
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ML Software Developer II
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
5+ YOEBachelor's degree; 5-9 years Python and ML experience; DoD security eligibility; US citizenship; ability to obtain DoD clearance
Python, TensorFlow, MySQL, C++, NLP, Deep Learning
3d
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Engineer 3, Agentic AI
Philadelphia or West Chester
OnsiteFull Time
Comcast
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
3d
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AI Engineer
Auburn or Aberdeen
OnsiteFull Time
Integrated Solutions for Systems
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.
Go, C++, Python, JetBrains, VSCode, REST, GraphQL
2w
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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
Amtrak
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.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
1w
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Software Engineer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
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.
Python, Git, CI/CD, Kubernetes, Vue.js, Vuetify, Leaflet, ElasticSearch, Node.js, REST, GRPC, MongoDB
6d
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Software Engineer
Annapolis Junction, Maryland, United States
$165k-$185k/yr OnsiteFull Time
Red Arch Solutions
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.
Linux, Bash, Python, Docker, Kubernetes, RabbitMQ, MongoDB, PostgreSQL, Git, CI/CD, ElasticStack, Prometheus, Grafana, Jira, Confluence, Ansible, GitLab CI
1mo
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Software Engineer - Level II
Aberdeen Proving Grounds, Maryland, United States
$86k-$150k/yr OnsiteFull Time
Augustine Consulting
Augustine Consulting: Provides technical and engineering services to the US Department of Defense.
3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.
Java, C++, Python, JavaScript, Git, TCP/IP
1mo
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Senior Developer (Newtown Square, PA, US, 19073)
Newtown Square, Pennsylvania, United States
$153k-$196k/yr OnsiteFull Time
SAP
SAPFrankfurt Stock Exchange: SAP: Sells enterprise resource planning and business management software solutions.
4+ YOEBachelor's or Master’s in CS/Data Science with 4–6 years of related experience; strong Java/Python, frontend, and devops skills.
Java, Python, HTML, CSS, AngularJS, Sonar, JUnit, Sahi, SOAP, REST, SQL, SCM, Jira, CI/CD, Machine Learning
1w
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Cloud Software Engineer CSWE2 - 27151
Hanover, Maryland, United States
OnsiteFull Time
PAX Engineering
PAX Engineering: Provides software and systems engineering for the intelligence community.
Experience with DevOps, ElasticSearch, NiFi, Python, Java/Spring Boot, and Angular.
Python, Java/Spring Boot, Angular, Elastic Search, NiFi, DevOps
2mo
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Lead CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Nightwing
Nightwing: Provides cybersecurity and intelligence services for national security missions.
12+ YOE5+ MgmtBachelor’s degree plus extensive experience; 12+ yrs in programming (Assembly, C, C++, Java, Perl, Python); 10+ yrs on CNO tools; 5+ yrs leading teams; 4+ yrs evading IDS; 4+ yrs sockets programming.
Python, C, C++, Java, Perl, Assembly, Bash, PowerShell, IDA Pro, Ghidra, OllyDbg, Git, Networking, IDS evasion
1mo
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CNO Software Engineer
Annapolis Junction, Maryland, United States
$250k-$300k/yr OnsiteFull Time
SIXGEN
SIXGEN: Provides advanced cybersecurity services and products for national security.
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
4d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
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.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack

HiringCafe market data

Python Developer Jobs market signals in Clayton, 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
350+
Hiring companies
130+
Fresh sample
54% new in 30d
Salary visibility
65% show pay

Companies appearing in this market

JPMorgan ChaseRealmOneBoeingBlackRockGDITGeneral Dynamics Information TechnologyLockheed MartinManTech

Work location mix in visible results

Onsite: 68Hybrid: 19Remote: 6

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