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Python Developer Jobs in Clayton, DE, US
350+ python developer jobs from 130+ companies hiring in Clayton, DE, US.
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
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
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
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
1mo
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C++/CUDA-Signal Processing Engineer
Aberdeen Proving Ground, Maryland, United States
$140k-$176k/yr OnsiteFull Time, Contract
3+ YOEBachelor's in Computer Science; 3+ years C++, CUDA; TS/SCI clearance; Git; MATLAB; Linux; Python; multithreading/optimization.
C++, CUDA, Git, MATLAB, Linux, Python
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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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
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
1mo
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Manuel Test Engineer
Annapolis Junction, Maryland, United States
$150k-$240k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance with Polygraph; 8+ years of relevant experience; full SDLC testing; experience with formal test events; collaboration with developers; lab testing with physical equipment; strong communication.
Automated testing tools, Java, Shell, Python
3w
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$170k-$230k/yr OnsiteFull Time
7+ YOEActive TS/SCI with poly clearance required; 9 years with bachelor's or 7 years with master's; US citizenship; AWS, microservices, API development, Lambda, RDS, Grafana, Prometheus, MongoDB, DocumentDB.
Java, Spring Boot, Python, AWS, MongoDB, RDS, Grafana, Prometheus, DocumentDB, COTS/GOTS
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
1d
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Software Engineer Level 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
14+ YOETS/SCI with Polygraph clearance required; 14+ years SWE experience; BS in CS or 4 years equivalent experience; Zabbix, Python and Java in Linux environment.
Python, Java, Zabbix, Linux
3mo
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Application & Data Developer
Wayne, Pennsylvania, United States
$85k-$110k/yr HybridFull Time
3+ YOE3+ years in data integration, SQL and Python; SQL-based data ingestion/ETL; Snowflake a plus; AI-assisted development tools; PowerShell; strong documentation.
SQL, Python, Snowflake, Copilot, PowerShell
2mo
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Entry-Senior Software Engineer- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$95k-$230k/yr OnsiteFull Time
Software engineer with Java, Python, Git; containerization; CI/CD; Agile; Spring, Hibernate, MySQL; BS in CS or related, 4 years exp may substitute
Java, Python, Git, Shell, Maven, JavaScript, HTML, CSS, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring, Hibernate, MySQL, Web Services, Vaadin
2mo
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Lead Data Engineer (Bank Tech)
Wilmington, Delaware, United States
$179k-$205k/yr OnsiteFull Time
4+ YOELead data engineer with 4+ years in application development, 2+ years in big data, and 1+ year in cloud computing (AWS/Azure/GCP).
Java, Scala, Python, SQL, NoSQL, MongoDB, Cassandra, Redshift, Snowflake, Hadoop, Hive, Kafka, Spark, Gurobi, MySQL, Unix/Linux, Shell scripting
2w
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Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active TS/SCI with Full Scope Polygraph; 9 years with Bachelor's or 7 years with Master's; AWS tools; experience in Java/Spring Boot, microservices, CI/CD, and related tools.
Java, Spring Boot, Python, AWS, DynamoDB, Lambda, CloudWatch, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, OAuth/OIDC, Cypress, Cucumber
2mo
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Senior Software Engineer - Vehicle Modeling
Sunnyvale or Mountain View or Milford
$129k-$198k/yr HybridFull Time
3+ YOEBachelor's degree in Mechanical Engineering, Applied Physics, Aerospace Engineering, Computer Science, or related field; 3+ years in vehicle modeling; expertise in vehicle system modeling; strong Python and C/C++; Matlab/Simulink and data analysis experience.
Python, C/C++, Matlab/Simulink, System ID, data analysis
2w
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Snowflake Developer
Buffalo or Wilmington
$68k-$109k/yr HybridFull Time
10+ YOE10–12 years of experience in development or data engineering; strong Snowflake expertise (Snowpark Python, Snowflake SQL, Tasks, Streams, Snowpipe); Agile experience; excellent collaboration and communication.
Snowflake, Snowpark Python, Snowflake SQL, Snowpipe, Snowflake Tasks, Snowflake Streams
2w
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Embedded Software Engineer (Hybrid- Aberdeen, Maryland)
Aberdeen Proving Ground or Jersey City or Middletown or Aberdeen Proving Ground
$130k-$165k/yr HybridFull Time
8+ YOE8+ years embedded Linux software development; Xilinx UltraScale+; PetaLinux; PCB-based hardware bring-up; C/C++ and scripting; Git/SVN; DoD Secret clearance.
Xilinx UltraScale+, PetaLinux, C/C++, Python, Git, SVN, JTAG, UART, GDB, strace, perf, dmesg
3w
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Junior Agile Developer
Annapolis Junction, Maryland, United States
$129k-$165k/yr OnsiteFull Time
3+ YOETop Secret clearance with Full Scope Poly, U.S. citizenship, Bachelor's degree or equivalent, 3 years of relevant experience (or Master's plus 1 year), active TS clearance with CI poly within last 5 years.
Java, Spring Boot, Python, AWS, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, MongoDB, DynamoDB, OAuth, OIDC, Cypress, Cucumber
2w
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Snowflake Developer
Buffalo or Wilmington
$68k-$109k/yr HybridFull Time
10+ YOE10–12 years in development or data engineering; strong Snowflake expertise (Snowpark Python, Snowflake SQL, Tasks, Streams, Snowpipe); Agile experience; capable of delivering scalable data solutions and collaborating with stakeholders.
Snowflake, Snowpark Python, Snowflake SQL, Snowpipe, Snowflake Tasks, Snowflake Streams
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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Flight Test Engineer
Coatesville, Pennsylvania, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years in VTOL/system development; experience with mechanical/electrical testing; Python and design software proficiency; bachelor’s in engineering; ability to obtain security clearance.
Python, Microsoft Office, Engineering design software
3w
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Back End Developer (7+ Yrs and Clearance Required) – San Antonio, TX
San Antonio or Fort Meade
HybridFull Time
7+ YOE7 years of software development experience; AWS, Kubernetes, RESTful APIs; Jenkins/GitLab; TS/SCI clearance; US citizen.
AWS, Kubernetes, Red Hat Linux, Jenkins, GitLab, Docker, OpenJDK, Ansible, Packer, Maven, Java, Python, PostgreSQL, RDS, Exodus, Luna
9h
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CFD Propulsion Research Engineer
Aberdeen Proving Ground, Maryland, United States
$100k-$200k/yr OnsiteFull Time
4+ YOEBachelor or higher in Mechanical or Aerospace Engineering with 4+ years, or MS with 2+ years, or PhD with 0+ years; SECRET clearance; CFD experience; ANSYS Fluent; MATLAB/Python.
ANSYS Fluent, MATLAB, Python
2mo
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CPE SETA_Software Engineer III (Graphics Support, Web Designer)
Aberdeen Proving Ground, Maryland, United States
$120k-$130k/yr HybridFull Time
10+ YOEBachelor's degree in CS/Design; 10+ years in web design and development with HTML, CSS, JavaScript; Photoshop/Dreamweaver; able to substitute associate degree with 12+ years.
HTML, CSS, JavaScript, Python, PHP, SQL, Photoshop, Dreamweaver, PowerPoint, UNIX, Windows
2mo
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Senior IAM Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESenior IAM developer/architect with 7 years in systems engineering, 5+ years IAM leadership, enterprise IAM design, and strong proficiency in SAML, OAuth/OIDC, LDAP/SCIM; hands-on with Entra ID, ForgeRock, AWS IAM Identity Center, SailPoint; Python/Java/.NET.
Microsoft Entra ID, ForgeRock, AWS IAM Identity Center, AWS Secrets Manager, SailPoint, SAML, OAuth 2.0, OIDC, LDAP, RBAC, PAM, MFA, Python, Java, .NET
1mo
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Software Engineer Mid Level
Hanover, Maryland, United States
$185k-$205k/yr OnsiteFull Time
14+ YOEFourteen years of SWE experience in programs/contracts of similar scope; Bachelor’s degree in a technical discipline; active security clearance with poly required.
Java, JavaScript, Python, AWS, API Gateway, Lambda, Secrets Manager, Parameter Store, Step Functions, DynamoDB, Aurora PostgreSQL, Jenkins, GitHub, CodePipeline, Angular, Vue, PostgreSQL, CI/CD, Jira, Confluence
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
6d
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Software Engineer - Early Career
Camden or Moorestown
OnsiteFull Time
0+ YOEBachelor’s degree in Computer Science or equivalent; OO C++ experience; automated testing tools; US citizen; ability to obtain government security clearance
C++, UML, Linux, Git, JIRA, Confluence, Python
2w
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Software Developer (Engineer Software 3) - 28228 (Aberdeen Proving Ground, MD, Remote, United States)
Aberdeen Proving Ground, Maryland, United States
$100k-$130k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years experience, proficient in C++, experience in space domain simulations, ability to obtain Top Secret clearance.
C++, Python, GitLab, Jira, Confluence, Discourse
3d
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AI / ML Engineer
Aberdeen, Maryland, United States
HybridFull Time
3+ YOEDesign and implement AI/ML capabilities, RAG pipelines, LLM integration, and DDIL-ready systems; lead architecture and delivery.
Python, FastAPI, PostgreSQL, Docker, Kubernetes, vLLM, TGI, Ollama, pgvector, Qdrant, Pinecone, Weaviate, Hugging Face, LoRA, QLoRA, GPU
2mo
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Full Stack Developer (Power Automate + AI)
Aberdeen, Maryland, United States
HybridFull Time
5+ YOE5+ years in software engineering; Power Automate and Power Platform expertise; DoD security clearance; strong stakeholder collaboration; secure integrations.
C#, .NET, Node.js, Python, Power Automate, Power Apps, Power BI, Dataverse, SharePoint, Azure, ALM, Graph/REST
2mo
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Data Engineer
Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$101k-$160k/yr HybridFull Time
3+ YOEDesign, build, and operate data pipelines and integration; leverage Azure data services; 3+ years of data engineering experience; proficient in SQL and Python.
Azure Data Factory, Azure Databricks, Azure Event Hubs, SSIS, Azure Synapse Analytics, SQL, Python, PowerShell, Java, Scala, Go
1w
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Data Engineer
Chadds Ford or Baltimore or Boston or Wilmington or United States
$60k-$90k/yr RemoteFull Time
2+ YOEBachelor's or Master's in CS or related field; 1-2 years experience; SQL/Redshift; Python; shell scripting; data warehousing; strong English communication.
SQL, Redshift, Python, Shell scripting, AWS, Data warehousing
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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Data Engineer
Fort Meade, Maryland, United States
$135k-$216k/yr OnsiteFull Time
8+ YOEDesign and implement data infrastructure, ETL pipelines, data integration; 8+ years with BS; TS/SCI clearance; Python/SQL/Scala; Spark/Kafka/Hadoop; cloud data services.
Python, SQL, Scala, Spark, Kafka, Hadoop, Airflow, NiFi, Cloud Data Services
3w
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Reverse Engineer
Aberdeen Proving Grounds, Maryland, United States
OnsiteFull Time
5+ YOEActive TS/SCI clearance; advanced degree or equivalent experience; strong reverse engineering and firmware analysis skills; proficiency in IDA Pro/MPLAB, C/C++, Python; knowledge of networking, Linux, cryptography, RF, and hardware debugging.
IDA Pro, MPLAB, Python, C, C++, Linux, Networking, RF Test Equipment, Oscilloscope, Spectrum Analyzer
1mo
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R&D Test Engineer
Newark, Delaware, United States
OnsiteFull Time
6+ YOEBachelor’s degree in Chemical/Mechanical/Mechatronics Engineering plus six years of relevant industrial experience; hydrogen tech experience; CAD, data analysis, PLC/control systems; lab safety.
Python, 3D CAD, PLC, Control Systems, ICP-MS, XRF, SEM, Raman spectroscopy, FTIR, Ion Chromatography
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
47% new in 30d
Salary visibility
71% show pay
Companies appearing in this market
Capital OneIntelliforceDalcom EngineeringDLA PiperFairwinds TechnologiesCognizantJohnson ControlsLufCo
Work location mix in visible results
Onsite: 37Hybrid: 20Remote: 2