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Python Software Developer Jobs in Ashburn, VA, US
2,200+ python software developer jobs from 500+ companies hiring in Ashburn, VA, US.
3mo
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DevOps Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
Delivers automation, integration, and software engineering support for enterprise IT monitoring, logging, and security platforms; bridges development and operations to improve reliability, scalability, and compliance.
Linux, Python, Bash, Splunk, Nagios, NetFlow, CI/CD, Docker, Kubernetes, Cribl, Syslog, HP NNMi, HPNA
1mo
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Senior Test Engineer
Fort Meade, Maryland, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEPlan, execute, and evaluate system tests across hardware, software, networking, virtualization, and cloud environments; DoD testing experience; Python and Linux skills.
Python, Linux, Suricata, Snort, Selenium, JUnit, TestNG, Java, JavaScript
3mo
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Product Security Engineer
New York City or Washington, D.C. or Boston
$175k-$210k/yr OnsiteFull Time
6+ YOE6+ years in application security or related, strong cloud and software security skills, proficient with security tools, coding in Java/Python/C++, and cloud architectures.
Burp Suite, OWASP ZAP, Python, TypeScript, Java, C++, CloudFormation, Terraform, AWS, GCP, Azure
1w
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Senior Associate, Enterprise Application Developer
Washington or Baltimore
$62k-$99k/yr HybridFull Time
3+ YOEBachelor's degree in Computer Science or Information Systems; 3+ years in software development and automation; experience with Microsoft 365, SharePoint Online, CI/CD; scripting/programming in PowerShell, JavaScript/TypeScript, Python; Azure AD and APIs; strong problem-solving and communication.
Power Apps, Power Automate, Office Scripts, SharePoint Online, GitHub Actions, Azure, Azure AD, Graph API, Salesforce, SQL, JavaScript, TypeScript, Python, PowerShell
4w
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Technical Architect Manager
Arlington, Virginia, United States
OnsiteFull Time
8+ YOE2+ MgmtEight years of software development experience; strong team leadership; cloud technologies; experience with Agile/DevSecOps; proficient in JavaScript/Node.js/Java/Python and modern frameworks.
AWS, Serverless, Event-Driven Architecture, Microservices, JavaScript, Node.js, Java, Python, React, Vue.js, CI/CD, Infrastructure as Code
2w
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Senior Full Stack Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOE10+ years software development; AI/ML exposure; Bachelor's in CS/IT/Engineering; strong troubleshooting, architecture, DevOps, security, and communication skills.
Java, Python, JSP, Node.js, jQuery, Tomcat, SQL, ETL, AI/ML, Git, CI/CD, DevOps, Cloud
1mo
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Robotics Design Engineer
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years robotics systems experience; strong C++ and Python; ROS 2; robotics software architecture; simulation/digital twins; field integration; knowledge of ROS hardware integration.
ROS 2, C++, Python, DDS, QoS, Robot hardware integration, Sensor fusion, Real-time systems, Simulation
3mo
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Senior ML Engineer, Product
New York City or San Francisco or Washington
$180k-$230k/yr RemoteFull Time
5+ YOE5+ years in data science or ML engineering; proficient in SQL and Python; strong software engineering skills; ability to collaborate across teams and communicate clearly.
SQL, Python, MLOps, LLMs, RAG, Deep Learning
1mo
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Data Engineer, Global Credit Technology
Washington, District of Columbia, United States
$160k-$170k/yr OnsiteFull Time
6+ YOE6+ years in data engineering or backend/software roles; strong Snowflake/Databricks, dbt, Airflow; Azure/AWS; SQL; API integration; Python; Power BI experience.
Snowflake, Databricks, dbt, Airflow, Azure, AWS, SQL, Python, Power BI
1mo
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Vulnerability Research Engineer
Washington, D.C., District of Columbia, United States
$115k-$181k/yr OnsiteFull Time
5+ YOEBachelor’s in STEM; 5+ years reverse engineering, malware analysis, or low-level software/firmware analysis; strong C/C++, Python; experience with disassemblers and debuggers; embedded systems knowledge.
IDA Pro, Ghidra, Binary Ninja, WinDbg, gdb, lldb, Python, C/C++
2mo
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AI/ML Engineer
Reston or Remote
$124k-$167k/yr HybridFull Time
9+ YOE9+ years software/ML experience; 2+ years in production AI; Python and Typescript; REST APIs; LangChain, LlamaIndex, HuggingFace; OpenAI API; ML model deployment and RAG architectures.
Python, Typescript, REST APIs, Flask, FastAPI, LangChain, LlamaIndex, HuggingFace Transformers, SGLang, OpenAI API, RAG, vector databases, Pinecone, Weaviate, GraphRAG, Knowledge Graphs, AWS, Azure, GCP, HIPAA compliance, LoRA, prompt tuning, RLHF, CrewAI, Stands SDK
1w
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Lead Systems Engineer/Architect
Ashburn, Virginia, United States
OnsiteFull Time
12+ YOE5+ MgmtExtensive systems engineering and software architecture experience; 12+ years; leadership in architecture decisions; DoD compliance experience; edge/cloud architectures; CI/CD; Python/C++.
Python, C++, Rust, Go, Docker, Kubernetes, Terraform, AWS, Azure, GCP, MQTT, DDS, OPC UA, CoAP
3w
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CWMD Computer Programming SME
Arlington, Virginia, United States
$91k-$165k/yr OnsiteFull Time
5+ YOEBachelor's degree with 5+ years or Associate's with 8+ years or High School with 11+ years of experience; strong Python, C++, Visual Basic; knowledge of CWMD, nuclear effects modeling, and software development.
Python, C++, Visual Basic
1w
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Sr. DevOps Solutions Engineer
Washington, District of Columbia, United States
OnsiteFull Time
8+ YOE8+ years of experience leading software development; full-stack DevSecOps with Git, GitHub Actions, Kubernetes; federal government experience preferred; US citizenship.
TypeScript, JavaScript, CSS, HTML, Angular, Node.js, GitHub Actions, Kubernetes, Python, Bash, Grafana, PostgreSQL, PGAdmin, SQL, PgSQL, PgModeler, Swagger, REST, XUnit, Playwright, JIRA, VS Code
1mo
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Quality Assurance Engineer (Sweep)
Arlington, Virginia, United States
HybridFull Time
5+ YOE5+ years in software QA within Agile teams; strong automation experience; Java, JavaScript, Python; Playwright/Selenium; API testing; SQL/PLSQL; AWS; CI/CD; QA leadership and offshore collaboration.
Playwright, Selenium, Geb, Groovy, Cucumber, JavaScript, WebDriverIO, Postman, REST-assured, Java, Python, Angular, PL/SQL, Oracle, Jenkins, Splunk, JIRA, Bitbucket, Confluence, AWS
3d
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Computer Systems Engineer/Architect
Washington, District of Columbia, United States
$140k-$150k/yr OnsiteFull Time
Experience in software QA, data engineering, and IV&V within AWS/Linux; SQL, Python scripting; XML/JSON/CSV data handling; strong communication and independent collaboration.
AWS, Linux, CLI, GitHub, Python, SQL, Oracle, PostgreSQL, Iceberg, XML, JSON, CSV, Delimited, Fixed-width
3w
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DevOps Engineer
Arlington, Virginia, United States
$109k-$142k/yr OnsiteFull Time
3+ YOEDesign, implement, and maintain automation for software delivery and infrastructure in a cloud-first, hybrid environment.
Docker, Kubernetes, Azure, PowerShell, Python, Bash, CI/CD, Azure DevOps, GitHub
3w
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Water Engineer and LCA Analyst
Fairfax or Alexandria or Arlington or Washington
$80k-$110k/yr RemoteFull Time
3+ YOE3+ years in water/wastewater engineering, data analysis, and life cycle assessment; PE a plus; strong Python/Excel skills; LCA software experience.
Python, Excel, GIS, LCA Software
1mo
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Development Chief / Technical Architect
Arlington, Virginia, United States
HybridFull Time
10+ YOEBA/BS or 5 years experience; moderate security clearance; 10+ years leading technical software and system solutions; software architecture expertise; Agile experience; strong leadership and communication; web and API development experience.
Java, JavaScript, Git, SQL, Python, Angular, React, Vue, AWS, Microsoft C#, Angular 2
1mo
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Senior Solutions Engineer, Federal
Washington, District of Columbia, United States
$160k-$200k/yr RemoteFull Time
5+ YOE5+ years engineering or deployment experience; strong software background; active Top Secret/SCI clearance or equivalent; able to scope and deliver complex gov deployments; comfortable travel up to 50%; proficient in Python/JavaScript.
Python, JavaScript, Rust, Terraform, Kubernetes, AWS GovCloud, Azure Government
2w
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Field Service Engineer
Washington, District of Columbia, United States
OnsiteFull Time
7+ YOEDesign, implement data pipelines and platforms; collaborate with stakeholders; 7+ years in software/data engineering; secret clearance.
Python, PySpark, Pandas, SQL, R, Spark
3mo
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Senior Agentic AI Technical Lead
McLean, Virginia, United States
HybridFull Time
10+ YOE5+ Mgmt10+ years software engineering; 5+ years technical leadership; agentic AI systems; IL5+ cloud; DoD compliance; leading multiple agile teams; Python/TypeScript expertise.
Python, TypeScript/JavaScript, REST, gRPC, OpenAPI, microservices, Kafka, SQS, SQL, NoSQL
2w
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Automated Tester
Fairfax, Virginia, United States
OnsiteFull Time
5+ YOE5+ years software testing, 2+ years automated testing; Selenium/Cypress/Playwright; QA/SDLC/Agile; CI/CD; Git; languages: JavaScript/Python/Java/C#
Selenium, Cypress, Playwright, Azure DevOps, Git, GitHub Actions, Jenkins, CI/CD, JavaScript, Python, Java, C#
2mo
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Systems Support Engineer
Washington, District of Columbia, United States
$90k-$140k/yr OnsiteFull Time
5+ YOE5+ years in technical support/engineering; BS in CS/Engineering; strong communications; SQL/MS SQL Server; hardware, software, networking; travel required.
JIRA, Confluence, Splunk, SQL Server Management Studio, Microsoft Server, TCP/IP, PowerShell, Java, Tomcat, MSSQL, C#, C++, Python, HTML, JSON, XML
5d
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Sr. Staff Data Engineer, Data Platform, CNN Digital Products & Services
New York or Atlanta or Washington
$160k-$296k/yr HybridFull Time
10+ YOE10+ years software/data engineering; 7+ years cloud; Spark/Flink; Airflow/Dagster; SQL/Java/Python/Go; Snowflake/Databricks; lead technical direction across teams.
Spark, Flink, Airflow, Dagster, Snowflake, Databricks, SQL, Java, Python, Go, Kafka, Kinesis
2mo
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Delivery Engineering Lead
Washington, District of Columbia, United States
$235k-$255k/yr OnsiteFull Time
10+ YOE3+ Mgmt10+ years software engineering; 3+ years engineering leadership; deployment automation expertise; strong Go/Python/Java skills; AI tooling experience; DevOps and IaC (Terraform, Ansible); stakeholder management.
Go, Python, Java, Terraform, Ansible, GitHub Copilot, Claude Code
3w
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GIS Geodatabase Engineer
Quantico, Virginia, United States
OnsiteFull Time
12+ YOEBachelor’s degree and 12 years of relevant experience; ESRI software familiarity; DoD Cyber Workforce Framework qualification; DBA certification; ESRI Enterprise Geodata Management Professional; senior-level GIS/database expertise.
ESRI ArcGIS, PostgreSQL, SQL Server, Python
1mo
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Payer Dev, Git & ML-Ops Engineer, Senior Associate
Boston or Indianapolis or Raleigh or Charlotte or Jacksonville or Chicago or Cincinnati or Cleveland or Columbia or Kansas City or Columbus or Dallas or Las Vegas or Los Angeles or Baltimore or Birmingham or St. Louis or Salt Lake City or San Diego or San Francisco or Silicon Valley or Seattle or Stamford or Tampa or Toledo or Austin or Washington or New York or Florham Park or Philadelphia or Phoenix or Pittsburgh or Houston
$77k-$202k/yr OnsiteFull Time
4+ YOEBachelor's degree; 4+ years software or data engineering; experience with dbt on Databricks; healthcare analytics experience; CI/CD pipelines for Databricks; Azure Databricks workspace provisioning; Python CLI tools.
Databricks, dbt, Azure Databricks, Python, YAML, argparse, CI/CD, AI agent systems
1w
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Principal Integration & Test Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in EE/CE/CS or related field; 9+ years in embedded systems integration and test; strong hardware/software debugging; experience with avionics or aerospace hardware.
C/C++, Python, FPGA, Lab instrumentation
2mo
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AI Researcher Intern DU26
Baltimore, Maryland, United States
$15/hr OnsiteMultiple Commitments Available
0+ YOEPursuing Bachelor's or Master's in CS, Software Engineering, Applied Mathematics, or related field; GPA 3.0+; strong Python/Java/C++/JavaScript experience; familiarity with deep learning tools; able to work >=30 hours/week for 8 weeks.
Python, Java, JavaScript, TypeScript, C++, PyTorch, TensorFlow, Codex, Claude Code, Gemini
1w
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Senior Security Engineer, Detection and Response
Austin or San Francisco or Seattle or Boston or Washington
$182k-$202k/yr RemoteFull Time
5+ YOE5+ years in detection and response or security engineering; strong software fundamentals; experience with cloud (AWS); experience with log analysis and endpoint detection tools.
Python, Go, Ruby, CloudTrail, GuardDuty, VPC flow logs, Datadog, Splunk, ELK, SentinelOne, CrowdStrike
3mo
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Lead Systems Engineer - Underwriting (Remote)
Baltimore, Maryland, United States
$113k-$225k/yr RemoteFull Time
8+ YOE8 years of software systems experience; Bachelor's in IT/CS or 4 additional years of relevant work experience; ITIL Foundations v3; experience with underwriting rating systems; strong data analysis, testing, and SDLC/Agile knowledge.
JavaScript, XML, .NET Framework, Python, Power BI, SQL, Oracle, MongoDB, MySQL, VBA, MS Access
4w
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Platform Engineer (Cyber System Assessments) MD (Ft Meade, MD, US)
Fort Meade, Maryland, United States
$113k-$152k/yr OnsiteFull Time
6+ YOEBS in CS/CE/Cyber Security with 6+ years or MS with 3+ years; experience designing or maintaining complex software platforms.
Kubernetes, Docker, containerd, podman, GitLab, Git, Terraform, Pulumi, Crossplane, Cluster API, Argo CD, Flux CD, Istio, Linkerd, Traefik, CKA, CKS, sigstore, trivy, GitLab CI, Tekton, Argo Workflows, CI/CD, 12-factor apps, Python, Go, C/C++
1mo
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Advisory Architect, TTS (Software)
Chicago or Boston or Dallas or Los Angeles or Minneapolis or New York or San Francisco or Seattle or Washington, D.C.
HybridFull Time
6+ YOEBachelor’s degree or equivalent; 6+ years software development; tech due diligence experience; Agile/Lean; cross‑functional collaboration; 30%+ travel; US work authorization.
C#, Java, Python, SDLC, Agentic AI/LLMs
2mo
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Intern (Application Development)
Reston, Virginia, United States
$19-$23/hr RemoteFull Time
Pursuing a degree in Computer Science, Software Engineering, Information Systems or related field; strong communication and technical writing; team collaboration; detail-oriented; able to work independently.
HTML, CSS, JavaScript, .NET, Python, C#, Java, Node.js, Okta, OAuth 2.0, OpenID Connect, Azure DevOps, Git, AWS, GitHub Copilot, Cursor
4w
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Director of Web Development
Streetsboro or Cleveland or Hyattsville
$80k-$110k/yr OnsiteFull Time
8+ YOE3+ Mgmt8+ years progressive web dev; 3+ years leadership; front-end (HTML5, CSS3, JavaScript, React/Vue), back-end (Node.js, PHP, Python); CMS (WordPress/Webflow); SEO/GA4/CRO; Agile; leadership & distributed teams.
HTML5, CSS3, JavaScript, React, Vue.js, Node.js, PHP, Python, WordPress, Webflow, GA4, Google Tag Manager
10h
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AI Programmer
Washington or Washington
OnsiteFull Time
4+ YOEMid–Senior AI programmer with 4–7+ years in AI agents, MCP servers, Python engineering.
Python, Git, Docker, LangChain, LangGraph, MCP
3w
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AI/ML Intern
Reston, Virginia, United States
OnsiteInternship
0+ YOEPursuing a degree in CS/Data Science/Engineering; strong Python/ML basics; ML pipelines; platform integration; good communication.
Python, PyTorch, Pandas, Hugging Face, REST, SDK, ServiceNow, Azure OpenAI
2mo
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Engineering Manager, Data Science (Remote, Continental United States)
Arlington or United States
RemoteFull Time
5+ YOE5+ MgmtLead data science teams; hands-on DS; Python/SQL; cloud; Agile; bachelor in quantitative field; ability to obtain Public Trust.
Python, SQL, Azure, AWS, GCP, Machine Learning Frameworks
1mo
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Red Drum Holdings - Cryptologic Computer Scientist (Level 1-4)
Annapolis Junction, Maryland, United States
$119k-$220k/yr OnsiteFull Time
5+ YOEStrong CS background; Python and Spark/PySpark; network and protocol analysis; TS/SCI with Polygraph; Bachelor’s or Associate degree with relevant experience.
Python, Spark/PySpark
HiringCafe market data
Python Software Developer Jobs market signals in Ashburn, 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
2,200+
Hiring companies
500+
Fresh sample
45% new in 30d
Salary visibility
57% show pay
Companies appearing in this market
DeepgramIntegration InnovationKarsun SolutionsWest MonroeAESAgile DefenseAir-Conditioning, Heating, and Refrigeration InstituteAmerican College of Radiology
Work location mix in visible results
Onsite: 27Hybrid: 9Remote: 8