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Python Developer Jobs in Chantilly, VA, US
4,200+ python developer jobs from 830+ companies hiring in Chantilly, VA, US.
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Senior Software Engineer, Full Stack
Arlington, Virginia, United States
$135k-$180k/yr OnsiteFull Time
6+ YOE6+ years software engineering; experience profiling and optimizing data-intensive web apps; TS or Python; Bachelor's degree
TypeScript, Python, React, Cesium, Kubernetes, HTML/CSS
5d
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Embedded Firmware Engineer
Carson City or Webster or Harbor City or Platform or Jessup or Clinton or Newark or Longmont
$79k-$150k/yr OnsiteFull Time
2+ YOEBS or MS in Electrical Engineering or related robotics field; 2+ years Level I, 5+ Level II, 8+ Level III firmware/embedded software; C++, Python; RTOS; hardware bring-up; ITAR compliance.
C++, Python, C, VHDL, Verilog, Linux, RTOS, ROS, Git, EtherCAT, SPI, CAN, I2C, UART, RS-232
5d
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Forward-Deployed Engineer
Washington, District of Columbia, United States
$185k-$260k/yr RemoteFull Time
Legion Intelligence: Secure generative AI platform for defense and enterprise workflows.
4+ YOE4+ years in forward deployed/solution engineering; full-stack; Python/JS/TS; enterprise integrations; UI with Node/Next/React; autonomous; strong communicator; US citizens/Green Card holders; TS/SCI clearance.
Python, JavaScript, TypeScript, Node.js, Next.js, React, Palantir Foundry, Databricks, ServiceNow, Microsoft O365, Atlassian, n8n
1mo
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DevOps Engineer
McLean or Chantilly
OnsiteFull Time
3+ YOEActive TS/SCI clearance with CI Poly; U.S. Citizenship; 3+ years in DevOps/SRE/Cloud; Python/Bash; Kubernetes; cloud infra; secure environments.
Terraform, Ansible, Docker, Kubernetes, Jenkins, GitLab CI, CircleCI, CloudFormation, Prometheus, Grafana, ELK Stack, AWS, Azure, GCP
6d
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Senior QA Automation Engineer
Bethesda or Rockville
$120k-$130k/yr HybridFull Time
5+ YOE5+ years QA automation, Playwright, React/.NET, PowerApps, Python, GitHub/Jira/AWS, public trust clearance.
Playwright, React, .NET, PowerApps, Python, GitHub, Jira, AWS, Entra (Azure AD)
1mo
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AI Developer
Springfield, Virginia, United States
OnsiteFull Time
5+ YOE5–10+ years in AI/ML development and data analytics; Top Secret clearance; BS/BA in CS/Data Science/Engineering/Information Management; Python and ML frameworks; DoD/Federal records policies knowledge.
Python, TensorFlow, PyTorch, scikit-learn, Hugging Face
2w
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Forward Deployed Engineer
Reston, Virginia, United States
HybridFull Time
5+ YOEBachelor’s degree in CS/Engineering or equivalent; 5+ years in software engineering, cloud architecture, and deployments; strong cloud experience (GCP/AWS/Azure); full-stack proficiency (Python, TypeScript, Go, Rust, or Java); Docker/Kubernetes; US Citizen.
Kubernetes, GKE, Docker, Python, TypeScript, Go, Rust, Java, Google Cloud, AWS, Azure
2mo
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Staff Software Engineer - Federal
Washington, District of Columbia, United States
$161k-$221k/yr RemoteFull Time
8+ YOE8+ years of coding and scripting experience; Python required; Terraform and cloud tooling; experience with ETL/ELT, security data ingestion, and regulated environments; TS/SCI clearance is a plus.
Python, Terraform, CI/CD, AWS, GCP, Azure, PowerShell, Bash, Go
1w
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Red Team Close Access Network Capability/Wi-Fi Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
2+ YOEActive TS/SCI clearance; 2–5 years in offensive tool development, wireless exploitation, and network security research; proficiency in Python, C/C++, Go; Linux development; knowledge of 802.11 protocols; 15% travel.
Python, C, C++, Go, Linux, 802.11 protocols, Enterprise authentication mechanisms
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
4+ YOEActive TS/SCI clearance; degree in CS/EE/Physics or related field or 4 years software/signals experience; interest in remote sensing; proficient in Python/C++/Rust or similar; Linux and/or AWS familiarity.
Python, C++, Rust, Linux, AWS
2w
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Staff Software Developer (TS/SCI)
Herndon, Virginia, United States
$92k-$195k/yr OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance and CI poly; BS in CS/Software Eng; 5+ years backend software dev; Java/Python/JS; REST APIs with Spring Boot; Docker/Kubernetes/OpenShift; Jenkins/Git/Helm; Linux scripting; on-site in Herndon, VA.
Java, Python, JavaScript, Spring Boot, Docker, Kubernetes, OpenShift, Rancher, Jenkins, Git, Bitbucket, Gradle, Bash, Shell, OpenSearch, Elasticsearch, Keycloak, Fluent Bit, Cesium, PostgreSQL
2mo
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Sr. AI Developer, GS (Chantilly, VA, US, 20151)
Chantilly, Virginia, United States
$116k-$189k/yr OnsiteFull Time
5+ YOE5+ years Python ML, DL, LLMs; strong MLOps; cloud platforms; gov't compliance; security-focused AI.
Python, TensorFlow, PyTorch, Scikit-learn, Hugging Face, LangChain, OpenAI, AWS SageMaker, Azure ML, Google Vertex AI, MLflow, Airflow, Kubeflow, FAISS, Pinecone, Retrieval-Augmented Generation, CMMC, FedRAMP, NIST
2mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
14+ YOESenior software engineer with cloud architecture, data visualization, Python/Java, and leadership experience; TS/SCI clearance with polygraph; Bachelor's degree in CS or related field plus 14 years of experience; experience with MySQL/PostgreSQL and web-based server applications.
Python, Java, MySQL, PostgreSQL, Linux, Web-based server applications, Data visualization
1mo
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Platform Engineer (Hybrid) - 27786 (Columbia, MD, Maryland, United States)
Columbia or San Antonio
$115k-$145k/yr HybridFull Time
3+ YOECloud platform engineer with AWS, Python/Go, Linux; Kubernetes, IaC, hybrid work.
AWS, Kubernetes, Docker, Podman, Helm, Kustomize, Flux CD, Terraform, Python, Go, Linux, Shell
1w
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Lead Software Engineer
Springfield, Virginia, United States
HybridFull Time
6+ YOETS/SCI clearance; Bachelor's with 6+ years or 15+ years experience in lieu of degree; 6+ years Python, DevSecOps/CI-CD, IaC (Terraform), containers; AWS (EC2, DynamoDB, ECS, SQS/SNS, IAM, Lambda, CDK); leadership; strong communication.
Python, GitLab, Terraform, Docker, Kubernetes, OpenShift, AWS CDK, EC2, DynamoDB, SQS/SNS, Lambda
1w
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Cloud Developer (5239)
Washington, District of Columbia, United States
$99k-$167k/yr OnsiteFull Time
3+ YOEActive Top Secret clearance; 3-5 years cloud development; AWS core services; IaC with Terraform/Ansible; GitLab CI/CD; Python or Node.js; Bachelor’s degree.
AWS, Terraform, Ansible, GitLab, Python, Node.js, S3, EC2, VPC, IAM, RDS (Aurora PostgreSQL), Splunk, Tibco WebFOCUS, Docker, EKS
2mo
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Full Stack Developer - TS/SCI with Polygraph Required
Washington, District of Columbia, United States
$165k-$185k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph required; 5+ years software development; full-stack development experience; strong SQL and databases; Git/git workflows; able to work with government requirements.
C#, Java, Python, Go, JavaScript, TypeScript, React, SQL, Git, Tableau, Oracle, SQL Server, MySQL, DynamoDB, Postgres, MongoDB
1w
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RF Software Engineer, Senior - 1647
Reston, Virginia, United States
RemoteFull Time
5+ YOESenior RF software engineer with 5-7 years experience, BS or higher, Python, Linux, databases, CI/CD, and remote work capability.
Python, NumPy, Pandas, scikit-learn, MySQL, PostgreSQL, SQLite, FlatBuffers, Protocol Buffers, Linux, GitLab, React, D3
1mo
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Signals Software Engineer
Annapolis Junction, Maryland, United States
$63-$77/hr OnsiteFull Time
4+ YOEExperience in RF signal processing software (detectors, demodulators, protocol processors); translate requirements to design; develop in C++/Java on Linux; RF concepts; TS/SCI clearance with polygraph.
C++, Java, Python, MATLAB, SIMULINK, Eclipse, Google Protocol Buffers, Git, Subversion, GNU Radio
1mo
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AI Solution Engineer-Platform
Huntsville or Washington
HybridFull Time
4+ YOEProficient in Python/SQL with back-end language (Java/Scala/Go); experience with data pipelines, ML production, cloud analytics, REST APIs, graph DBs; CI/CD, DevOps, and containerization.
Python, SQL, Java, Scala, Go, PostgreSQL, Snowflake, Neo4j, Amazon Neptune, Git, Docker, Kubernetes, Terraform, CloudFormation, Pulumi, GitHub Actions, GitLab CI, Jenkins, CI/CD, Docker/Kubernetes, infrastructure-as-code, unit testing, REST APIs, Plotly, D3.js, Terraform, Pulumi, AWS GovCloud
2w
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Data Engineer
Bethesda or Chapel Hill
RemoteFull Time
3+ YOE3+ years in ETL/SQL development and data engineering; experience in Higher Education or EdTech; strong SQL; Python experience; AWS familiarity.
SQL, Python, AWS (Redshift, S3, Glue), NoSQL, SQL analytics
4w
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CNO Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOETS/SCI with polygraph; BS in CS or related STEM with 5+ years or MS with 3+ years; 5+ years C programming; 5+ years reverse engineering; network protocols, SSL; network device appliances; RTOS experience.
C, C++, Python, Reverse Engineering, SSL, Network Protocols
3mo
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Software Developer
Washington or Winchester
OnsiteFull Time
2+ YOETwo years relevant experience; Bachelor's degree preferred; Top Secret clearance; CI polygraph may be required; experience with secure software systems.
Python, MS SQL, APIs, Blue Prism, RPA
1d
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Lead DevOps Engineer
McLean, Virginia, United States
RemoteFull Time
5+ YOEFive (5) years in technology, four (4) years with CI tools (GitLab preferred), four (4) years automating delivery, three (3) years administering Kubernetes, three (3) years on AWS, scripting in Bash/Python/Terraform, on-call reliability. Travel up to 10%.
GitLab, Bash, Python, Terraform, Kubernetes, Docker, AWS
2w
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Junior Palantir / Maven Product Engineer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree in CS/Engineering/Data Science or related field; 1–3 years software/data engineering; Python/Java/Go/TypeScript; cloud infra AWS/Azure/Kubernetes; secure environments; Secret clearance; TS/SCI eligibility.
Python, Java, Go, TypeScript, AWS, Azure, Kubernetes
1mo
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Mid Level Forward Deployed Software Engineer
Arlington, Virginia, United States
RemoteFull Time
3+ YOE3+ years software engineering; experience with Python, TypeScript, or Java in cloud-based data platforms; Palantir Foundry experience; defense/government environment familiarity; ability to deliver production-ready features.
Python, TypeScript, Java, Palantir Foundry, Foundry Workshop/Slate, Ontology
2w
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Sr. Staff Embedded AI Engineer
Columbia, Maryland, United States
HybridAll Commitments Available
6+ YOE6+ years in embedded systems software; strong C/C++; Python; experience deploying ML to resource-constrained systems; ML frameworks; optimization for embedded targets.
C/C++, Python, TensorFlow, PyTorch, CMSIS-NN, RTOS, Embedded tooling
2mo
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AI Software Engineer - Remote
Reston, Virginia, United States
$140k-$170k/yr RemoteFull Time
4+ YOE4+ years software engineering; 2+ years AI/ML apps; Python/TypeScript/Go; APIs, microservices; cloud platforms; secure coding; regulatory compliance (CMMC/NIST/DFARS); US Citizenship with Secret clearance.
Python, TypeScript, Go, APIs, Microservices, Kubernetes, Docker, CI/CD, Azure, AWS, GCP, LLM APIs
1w
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Full Stack Software Engineer
Reston or Chicago or Plano
$123k-$161k/yr HybridFull Time
2+ YOE2 years SDLC experience; backend Java/TypeScript/Python; Angular frontend; SQL/NoSQL; AWS; DevOps; GenAI tools; mortgage domain knowledge.
Node.js, Python, Java, Spring Boot, Angular, NgRx, RxJS, TypeScript, JavaScript, Git, Jenkins, Docker, Terraform, AWS CloudFormation, DynamoDB, PostgreSQL, Oracle, Postman, Putty, IntelliJ, VSCode
3w
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Lead Software Engineer - Gov Cloud
Reston, Virginia, United States
$130k-$195k/yr OnsiteFull Time
Secure, scalable software development; cloud automation; DevOps; Azure-focused; cross-functional communication.
Terraform, Ansible, ARM, Azure DevOps, C#, ASP.NET, Java, JavaScript, Python, Docker, AKS, Azure Functions, PowerShell, Bash, JSON, YAML
1mo
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Mid-Level Data Platform Engineer (Python) – Palantir Foundry / Jupiter Platform Support (Secret Cleared)
Washington, District of Columbia, United States
RemoteFull Time
Potawatomi Ventures: Provides data platform engineering and support services.
4+ YOE4–7 years data/platform engineering; Python pipelines; ETL/ELT; Palantir Foundry or Databricks or AWS data platforms; ERP/financial systems integration.
Python, SQL, Palantir Foundry, Databricks, AWS
2w
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System Developer/Engineer
Washington, District of Columbia, United States
HybridFull Time
5+ YOE5+ years experience in systems engineering, scripting Bash/Python/PowerShell, Windows API, cloud solutions, ServiceNow, Entra admin, and architecture/design of systems.
ServiceNow, Bash, Python, PowerShell, Microsoft Entra, Intune, Zscaler, SolarWinds, Dynatrace
1w
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Senior Software Engineer
Arlington, Virginia, United States
HybridFull Time
7+ YOE7+ years C++ development; build/environments (Make/CMake); Linux; US work authorization; BS in Electrical Engineering or Computer Science; MS preferred; CI/CD experience a plus; GPU/AI/ML interest.
C++17, CUDA, TensorRT, Python, PyTorch, CMake, Docker, GitLab, GoogleTest, Pytest
1mo
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Software Engineer-Multiple Levels (DT-0/1/2)
Annapolis Junction, Maryland, United States
$170k-$230k/yr OnsiteFull Time
7+ YOEC++, Java, Linux; Python/JavaScript; Git/GitLab; Agile; 7+ years; BS in related field or 11 years experience in lieu.
C++, Java, Linux, Python, JavaScript, Git, GitLab, VSCode, Eclipse, Jira, Confluence
3w
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Software Engineer III - Back End (Remote)
McLean, Virginia, United States
$120k-$132k/yr RemoteFull Time
5+ YOE5+ years engineering experience; backend web development; RESTful APIs; open source stack; Git; SQL/NoSQL databases; Agile; TDD.
Ruby, Python, Django, Rails, REST, Git, GitHub, Elasticsearch, Solr, SQL, NoSQL
2mo
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Machine Learning Engineer
McLean or Durham
OnsiteFull Time
Python with NumPy/pandas; PyTorch or TensorFlow; ML fundamentals; CV/NLP knowledge; DoD experience a plus; willing to relocate to Durham, NC
Python, NumPy, Pandas, PyTorch, TensorFlow, Git, CI/CD, Regression testing
3w
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Agentic AI Engineer
United States or Alexandria
RemoteFull Time
5+ YOEExperience designing and deploying autonomous AI agents; strong Python skills; ML/AI with agent frameworks; cloud and MLOps; security awareness.
Python, FastAPI, asyncio, PyTorch, OpenAI Agents SDK, Autogen, LangGraph, Google ADK/A2A, retrieval-augmented generation, Knowledge graphs, LLMs, Cloud platforms, MLOps
1mo
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Staff Software Engineer - AI Focus
Tysons, Virginia, United States
OnsiteFull Time
8+ YOEBachelor's in CS/CE or related field; 8+ years software development; startup experience; AI-assisted full-stack expertise; strong Python, C#, JavaScript, distributed systems; experience with AI copilots; collaborative, action-oriented; strong IoT/SaaS knowledge.
.NET, SQL Server, Kafka, Ember.js, Node.js, iOS, Android
3w
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Aether Geolocation Engineer
Hawthorne or Washington
$180k-$230k/yr OnsiteFull Time
5+ YOEBS in Electrical Engineering or related field; 5+ years RF signal processing/geolocation experience; Python/MATLAB/C/C++; on-site in Hawthorne, CA or Washington, DC; U.S. citizen; ability to obtain security clearance.
Python, MATLAB, C++, DSP, GPU, FPGA
2w
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Consulting/Principal Software Engineer LNSSI
Washington or Virginia
$118k-$220k/yr OnsiteFull Time
2+ YOE2-3 years Linux systems administration; scripting in SQL/BASH/PYTHON/PHP/PERL; TS/SCI clearance with polygraph; B.S. in Computer Science or MIS; experience with big data systems.
SQL, BASH, PYTHON, PHP, PERL, ECL, HPCC
HiringCafe market data
Python Developer Jobs market signals in Chantilly, VA, 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
4,200+
Hiring companies
830+
Fresh sample
54% new in 30d
Salary visibility
48% show pay
Companies appearing in this market
DeepSigEverWatchFannie MaeGlobal InfoTekHIILegatoLMINetSage
Work location mix in visible results
Onsite: 42Hybrid: 30Remote: 15