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Python Software Developer Jobs in Clayton, DE, US
220+ python software developer jobs from 88 companies hiring in Clayton, DE, US.
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteAll Commitments Available
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
2w
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Software Engineer III - Python Fullstack
Wilmington, Delaware, United States
OnsiteFull Time
3+ YOE3+ years software engineering; experience with Python; AWS; UI tech; SDLC knowledge
Python, Pandas, NumPy, Dask, AWS (EKS/ECS, Lambda, RDS, S3), React, Flask, Django, Java, Cloud Foundry, Selenium, Cucumber, Test Driven Development
3w
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Sr. Lead Software Engineer - Java/ Python/ Go
Jersey City or Wilmington or Plano
$171k-$260k/yr OnsiteFull Time
5+ YOE5+ years of software development experience; proficiency in Java, Python, or Go; strong AWS, Kafka, and database skills; CI/CD and secure coding practices.
Java, Python, Go, AWS, Kafka, Docker, CI/CD, APIs
3w
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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)
1w
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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
1mo
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Software Engineer
Annapolis Junction or Reston
$104k-$192k/yr OnsiteFull Time
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
6d
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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
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
2mo
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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
2mo
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CNO Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
4+ YOEBS in a technical field with 4+ years in software development; or HS with 8+ years; Python or C/C++; debugging experience.
Python, C, C++
2mo
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Software Developer (55390)
Aberdeen, Maryland, United States
$100k-$110k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.
Java, Python, C#, JavaScript
4w
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RF Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
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
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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
3w
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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
1w
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Senior Software Applications Developer
West Chester or United States or North America
RemoteFull Time
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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Software Engineer - Level II
Aberdeen Proving Grounds, Maryland, United States
$86k-$150k/yr OnsiteFull Time
3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.
Java, C++, Python, JavaScript, Git, TCP/IP
2mo
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Software Engineer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
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
2w
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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
1mo
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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
4w
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Software Engineer (Mid-level)
Springfield, Pennsylvania, United States
HybridFull Time
3+ YOE3-5 years professional software development; cross-stack ability; strong collaboration; able to leverage AI tools; portfolio
.NET Core, Node.js, Python, React, Next.js, TypeScript, Azure, SQL Server, Microservices, Functions, Lambdas, CI/CD, Unit Testing, Automated Testing
4d
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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
1w
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Software Engineer
Annapolis Junction, Maryland, United States
$165k-$185k/yr OnsiteFull Time
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, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
5+ YOEBachelor’s in engineering; 5+ years full life-cycle software development; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, DOORS, CI/CD
1mo
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Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
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
3w
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Senior Software Engineer
Aberdeen, Maryland, United States
$140k-$225k/yr HybridFull Time
7+ YOE7+ years software engineering experience; BS in CS/CE/EE; strong C/C++/Java/Python; CUDA; Docker; REST APIs; TS/SCI clearance; willing to travel; hybrid in Aberdeen, MD.
C, C++, Java, Python, Shell Scripting, Google Protocol Buffers, HTTP REST APIs, Docker, RPMs, CUDA
4d
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Java Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESenior-level software engineer proficient in Java, Python, Docker/Kubernetes, CI/CD, microservices; TS/SCI clearance with polygraph; 7+ years SWE experience; BS in CS or related field with experience substitutions.
Java, Python, Shell, Git, Nexus, Maven, JavaScript, JUnit, IDE, Docker, Kubernetes, CI/CD, Spring, Hibernate, MySQL, Web Services, Vaadin, GWT, Nexus, SonarQube
2mo
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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
1w
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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
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Senior Software Engineer- Enrichment
Oaks, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years building production software with Python; 5+ years with relational and NoSQL databases; 5+ years collaborating with Git.
Python, BigQuery, GCP, AWS, Pulumi, LangChain, LangGraph, TypeScript, React, Docker, Git
2mo
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Senior Software Test Engineer (onsite)
New Freedom, Pennsylvania, United States
$80k-$110k/yr OnsiteFull Time
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.
C, C++, Python, Oscilloscopes, Logic Analyzers, JTAG
3w
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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
2w
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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
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
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
2mo
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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
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Software Engineer
Hanover or Fort Meade
$130k-$150k/yr OnsiteFull Time
7+ YOEBachelor's degree and at least seven years of related experience; TS/SCI with polygraph clearance; U.S. citizenship.
C, C++, C#, Java, Python, Artifactory, Docker, Terraform, Ansible, Packer, Jenkins, Bamboo
1mo
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Software Systems Engineer Senior
Aberdeen, Maryland, United States
$116k-$262k/yr OnsiteFull Time
10+ YOESenior software systems engineer with 10+ years in the software lifecycle, TS/SCI clearance, leading contractor teams, RF architectures, EW/SIGINT, and MOSA; Bachelor's in CS or Software Engineering.
Java, Python, C++, MOSA, AWS, Azure, containerization, microservices, CI/CD, Scrum, Kanban, APIs, Databases, Cybersecurity
1mo
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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
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ML Software Developer II
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
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
2mo
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Senior Software Developer (Secret Clearance Required)
Aberdeen, Maryland, United States
HybridFull Time
3+ YOEDoD security clearance, 3-5+ years in software development, strong Android/Java/C/C++, DevOps tools, Linux, APIs, Docker, Kubernetes, cloud, Agile.
Git, Gitlab, Jira, Nexus, Artifactory, Gradle, Bash, Python, Docker, Kubernetes, Linux, Android, Java, JavaScript, C, C++, C#, APIs, NVIDIA CUDA, ElasticSearch, Kibana
1mo
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Senior Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
6+ YOE6-9 years of web app development, Ruby on Rails, JavaScript, REST APIs, PostgreSQL, Linux, and strong problem-solving skills.
Ruby on Rails, JavaScript, Python, PostgreSQL, Linux, Git, REST API, OpenAPI, JSON, XML, Redis, Docker, Kubernetes, Jenkins, JIRA, OAuth2, OIDC, SSL, SSH, SFTP/FTP, GraphQL
HiringCafe market data
Python Software 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
220+
Hiring companies
88
Fresh sample
51% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
JPMorgan ChaseBoeingGeneral Dynamics Information TechnologyLockheed MartinManTechParsonsGDITRealmOne
Work location mix in visible results
Onsite: 58Hybrid: 11Remote: 4