📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Python Software Engineer Jobs in Ashburn, VA, US
2,200+ python software engineer jobs from 480+ companies hiring in Ashburn, VA, US.
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Forward-Deployed Engineer, Federal
Washington D.C., Washington, D.C., United States
$160k-$200k/yr RemoteFull Time
5+ YOE5+ years engineering or technical deployment; strong software background in Python/JavaScript; federal/government deployment experience; TS/SCI or equivalent clearance; ability to travel up to 50%; excellent communication.
Python, JavaScript, Rust, AWS, Kubernetes, Terraform
1mo
Save
Mark Applied
Hide
Staff Engineer
Washington, District of Columbia, United States
$140k-$150k/yr HybridFull Time
7+ YOE7+ years of full-stack software development; strong Python/Django and React; cloud (AWS/GCP/Azure); containers (Docker); CI/CD; experience with LLMs and AI tooling; project leadership and strong communication.
Python, Django, React, AWS, GCP, Azure, Docker, CI/CD, Snowflake, dbt, LLM APIs, retrieval-augmented generation
6d
Save
Mark Applied
Hide
DevOps Engineer
Reston, Virginia, United States
$72k-$115k/yr RemoteFull Time
3+ YOEBachelor's degree or equivalent with 3 years software development experience; containerized cloud environment; Linux; IaC; Docker and Jenkins; CI/CD; client collaboration; strong communication; team player; Java/JS/Python a plus.
Docker, Jenkins, CloudBees, Ansible, Terraform, AWS, EKS, EC2, RDS, Lambda, CloudFormation, Bash, Java, JavaScript, Python
1mo
Save
Mark Applied
Hide
Senior SW Engineer ACE (PCB Design),
Los Angeles or Seattle or Washington D.C.
$165k-$250k/yr OnsiteFull Time
5+ YOEMaster’s degree +5 years, or PhD +3 years; strong Python/C++ skills; CAD/CAE automation with SolidWorks/Creo/Ansys/COMSOL/Star-CCM+; CFD/FEA/SPICE experience; leadership and mentoring abilities.
Python, C++, SolidWorks, Creo, Ansys, COMSOL, Star-CCM+, ECAD Tools (Altium)
1mo
Save
Mark Applied
Hide
SME - Software Engineering (DC)
Los Angeles or Washington
$200k-$310k/yr HybridFull Time
12+ YOE12+ years in software development; 10+ years in leadership; BS CS/SE or MS degree; proficient in Python/Java/C++; Agile/DevSecOps/SRE/CI/CD; TS/SCI clearance with CI polygraph.
Python, Java, C++, Agile, DevSecOps, Site Reliability Engineering, CI/CD
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Quality Assurance Engineer
Leesburg, Virginia, United States
OnsiteFull Time
5+ YOEMid-level QA engineer with development, SQL, and Python expertise focusing on automation, data validation, and platform reliability.
Python, SQL, CI/CD, AWS, Apache Iceberg, XBRL
1mo
Save
Mark Applied
Hide
Senior Director of Software Engineering
Baltimore, Maryland, United States
$195k-$220k/yr HybridFull Time
15+ YOE10+ Mgmt15+ yrs software engineering; 10+ yrs in leadership; leads 50+ engineers; consulting/agency background; end-to-end solutioning; client-facing; East Coast hours; travel to Baltimore and other locations (~15%).
.NET, JavaScript/React, Python, Cloud platforms, Mobile
1mo
Save
Mark Applied
Hide
Tech Lead / Full Stack Engineer
Alexandria, Virginia, United States
RemoteFull Time
8+ YOE8+ years software engineering; strong Python backend with FastAPI/Flask; React/TypeScript frontend; containerized architectures; cloud AWS; DoD/government programs; strong communication.
Python, FastAPI, Flask, React, TypeScript, MongoDB, Redis, Docker, Kubernetes, AWS, OpenAI API, Terraform, GitLab CI, GitHub Actions
2mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Software Quality Assurance Lead
Arlington, Virginia, United States
$130k-$217k/yr OnsiteFull Time
4+ YOE2+ MgmtSenior QA lead with 4+ years software engineering/testing, 2+ years leadership; strong testing methodologies; SDLC/DevOps; TS/SCI clearance eligibility.
Python, pytest, C++, GoogleTest, Selenium, CI/CD, DevOps
3w
Save
Mark Applied
Hide
Machine Learning Engineer
Washington, District of Columbia, United States
OnsiteFull Time
3+ YOE3+ years in software development and ML; 2+ years in Generative AI/LLMs; experience with RAG, API gateways; strong Python; cloud; vector databases; knowledge graphs a plus.
Python, OpenAI, Azure AI Foundry, Google Gemini, Microsoft 365, M365 Copilot, Anthropic, AWS, Vector databases, Knowledge Graph
16h
Save
Mark Applied
Hide
CNO Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active TS/SCI with Poly; Bachelor's degree or 4 years related experience; strong programming in Python/C/C++; reverse engineering; OS knowledge; Agile; Git.
Python, C, C++, Java, Perl, Assembly, PowerShell, Bash, ID A Pro, Ghidra, OllyDbg, Visual Studio, .NET, Makefiles, Git
2w
Save
Mark Applied
Hide
AI Solution Engineer – Platform
Huntsville or Washington
$90k-$175k/yr HybridFull Time
4+ YOE4+ years data/ML engineering, Python/SQL, cloud data platforms, DevOps, and TS/SCI clearance eligibility.
Python, SQL, Java, Scala, Go, PostgreSQL, Snowflake, Neo4j, Amazon Neptune, REST APIs, Docker, Kubernetes, Git, GitHub Actions, GitLab CI, Jenkins, Terraform, CloudFormation, Pulumi, D3.js, Plotly, Terraform, Pulumi, Kubernetes
1mo
Save
Mark Applied
Hide
Data Engineer/ETL Engineer
Chantilly or Herndon
OnsiteFull Time
Python, REST APIs, full lifecycle agile software development; degree in CS/IS/Engineering or 4 years experience in lieu of degree.
Python, REST APIs, AirFlow, ETL, Rust
2w
Save
Mark Applied
Hide
Technical Manager, Software Engineering
Falls Church or Florida or Ohio or Pennsylvania or North Carolina or Wisconsin or Michigan or Massachusetts or Texas or Tennessee or United States
OnsiteFull Time
12+ YOE5+ MgmtSenior software leader with design/architecture, API development, and mentoring responsibilities.
SQL, PHP, C#.Net, Python, JavaScript, REST, API development
3w
Save
Mark Applied
Hide
Senior AI Developer
Salt Lake City or Washington, District of Columbia
HybridFull Time
5+ YOE5+ years of software development; 2+ years AI/ML; Azure OpenAI/Azure AI Foundry; Python; production-grade AI delivery; ability to work with client-facing teams.
Azure OpenAI Service, Azure AI Foundry, Python, LangChain, LangGraph, Copilot Studio, Power Platform
6d
Save
Mark Applied
Hide
Senior Application Engineer
Vienna or Winchester or Pensacola
$115k-$180k/yr HybridFull Time
5+ YOEBachelor’s degree in Computer Science, Information Systems, or related field; 5–7 years in application/software development; Azure cloud experience; proficient in SQL, Python, JavaScript; strong communication and problem-solving.
SQL, Python, JavaScript, HTML/CSS, Azure, Azure Compute, Azure Storage, Azure Data & Analytics, Git
2mo
Save
Mark Applied
Hide
Mid-Level Developer
Suitland-Silver Hill or United States
RemoteFull Time
4+ YOE4–7 years software development; strong Python; AWS Cloud Native; APIs/microservices; serverless/containerized architectures; Postgres; Agile Scrum; US citizenship.
Python, AWS, PostgreSQL, Docker, Serverless, CI/CD, Git, S3, Lambda, ECS/Fargate, EventBridge, SQS, SNS, Aurora, Cloud, REST APIs
2d
Save
Mark Applied
Hide
Intern Security Data Engineering & Software Development (McLean, VA, US)
McLean, Virginia, United States
OnsiteInternship
Internship focused on data engineering and software development, migrating Python/Excel workflows to SQL-backed architecture with a secure frontend.
2mo
Save
Mark Applied
Hide
AWS Developer/Integration Engineer
Arlington, Virginia, United States
OnsiteFull Time
4+ YOE4+ years serverless AWS development; Python/Node.js; Salesforce and data integration; FedRAMP GovCloud experience; BA/BS in CS or related field.
AWS Lambda, API Gateway, Kinesis, S3, DynamoDB, CloudWatch, Python, Node.js, Salesforce APIs, LWC, Bedrock, Lex, Verint, CloudFormation, CDK, Terraform
2w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
AI Product Engineer
Reston, Virginia, United States
HybridFull Time
3+ YOE3+ years in data science/ML engineering or AI product development; Bachelor's degree in a relevant field; strong Python and JavaScript skills; experience shipping ML/AI features in product context.
Python, JavaScript, AWS, SageMaker, Lambda, ECS, S3, NLP, Text analytics, Machine learning, RAG architectures
1mo
Save
Mark Applied
Hide
Backend Developer
Springfield, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's in CS/Engineering/GIS or related field; 2+ years backend experience; Python/Node.js/Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; API design; US Citizenship; Top Secret/SCI clearance eligibility.
Node.js, Python, Java, Docker, Kubernetes, ArcGIS Enterprise, REST APIs
1w
Save
Mark Applied
Hide
Agile Developer, Cyber & Data Resilience
Washington, District of Columbia, United States
OnsiteFull Time
12+ YOESenior Agile Developer with Java Spring Boot, Python, AWS; TS/SCI with FS Poly; 12+ years of software development; on-site SCIF at Fort Meade, MD.
Java, Spring Boot, Python, AWS, REST API, Kubernetes, Docker, GitLab, Maven, Ansible, Cypress, Cucumber, OpenSearch, ElasticSearch, MongoDB, DynamoDB, OAuth/OIDC, GitOps, CloudWatch, Lambda, Step Functions
2mo
Save
Mark Applied
Hide
Application Developer I
Rockville, Maryland, United States
$65k-$82k/yr OnsiteFull Time
2+ YOEBachelor's in related field or equivalent experience; 2+ years software development; proficient in Java, JavaScript, HTML, CSS, SQL, Python; ML frameworks; Google Suite; grocery retail experience.
Java, JavaScript, HTML, CSS, SQL, Python, Machine Learning frameworks, Google Suite, Microsoft Office, Mac OS, Windows OS
2mo
Save
Mark Applied
Hide
Staff Engineer
Chantilly or Washington
HybridFull Time
4+ YOE4+ years building web apps with Node.js/React/Next.js; Python; AI platforms; Zapier; secure coding; SQL/relational modeling.
Node.js, React, Next.js, Laravel, Python, Zapier, OpenAI API, Google Gemini API, Codex CLI, Claude Code, Gemini CLI, NotebookLM, OAuth, OIDC, Swagger, MySQL, PostgreSQL, Git, CI/CD, Docker, Vitest, Pytest
5d
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
AWS Engineer
Vienna, Virginia, United States
$115k-$150k/yr HybridFull Time
3+ YOE3+ years Python or TypeScript/JavaScript; AWS experience; CI/CD; TS/SCI clearance; on-site 3 days a week; Bachelor’s degree.
Python, TypeScript, JavaScript, AWS, CloudFormation, Lambda, Step Functions, GitLab, GitHub, Azure DevOps
2w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Developer, Applied AI
Charlottesville or New York or Washington
$106k-$170k/yr RemoteFull Time
5+ YOE5+ years of professional software development; strong full stack/backend experience; Python and/or TypeScript/Node.js; AI solution experience using OpenAI/Azure/OpenAI or similar; familiarity with search/retrieval technologies; experience with enterprise integrations.
Python, TypeScript/Node.js, OpenAI, Azure OpenAI, Anthropic, vector databases, enterprise search, Microsoft 365, Teams, SharePoint, Atlassian, Salesforce
6d
Save
Mark Applied
Hide
Automation Engineer
McLean, Virginia, United States
OnsiteFull Time
3+ YOE3+ years in CI/CD and infrastructure automation; experience with SOAR platforms; Python; familiarity with FedRAMP/SOC 2 evidence collection; IaC tools (Terraform/CloudFormation).
Python, Terraform, CloudFormation, Cortex XSOAR, Singularity Hyperautomation, Phantom
1mo
Save
Mark Applied
Hide
AI Engineer
Washington, District of Columbia, United States
HybridContract
3+ YOEPython, AI/ML frameworks; NLP, LangChain, cloud (Azure/GCP); APIs, data pipelines, monitoring; 3-5 years experience; Bachelor's in CS/AI.
Python, TensorFlow, PyTorch, LangChain, LangGraph, Azure, Google Cloud, Splunk, AppInsights
2mo
Save
Mark Applied
Hide
Senior Full-Stack Engineer
Culver City or Linthicum or Allen or Woodcliff Lake or Chicago or Orlando or Baton Rouge or Waltham or Phoenix or Harrisburg or West Valley City or Austin or Alpharetta or San Diego or Indianapolis or Lexington or Parma or Little Rock or Asheville or Birmingham or Chantilly or Washington or Brentwood or Plantation or Fort Collins or San Mateo or Schaumburg or Brooklyn
$140k-$180k/yr OnsiteFull Time
7+ YOE7+ years in software development; Bachelor's degree in CS/Engineering; backend (Node.js) and frontend (React) experience; API integrations; cloud and database experience.
Node.js, HapiJS, Python, JavaScript, React, SQL, Serverless, Lambda, CloudFormation, Elastic Beanstalk, EC2, VPC, DynamoDB, RDS, G Suite, Microsoft Graph, Okta, OneLogin, Slack, Linux, Docker, Datadog, CloudWatch, MQTT, log/data pipelines
1d
Save
Mark Applied
Hide
Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
2w
Save
Mark Applied
Hide
Solution Engineer
New York or Washington
$150k-$220k/yr OnsiteFull Time
5+ YOE5+ years in technical pre-sales or solutions engineering for enterprise software; defense/federal experience; strong collaboration; fluency in software and hardware domains; SQL/Python; travel up to 25%; TS/SCI advantage.
AWS, Azure, Databricks, Snowflake, Influx, Grafana, SQL, Python, Pandas, Kafka, Spark, Flink, Arrow, MATLAB/Simulink, LabVIEW, WinPlot
1w
Save
Mark Applied
Hide
AI Platform and Applications Engineer
Washington, District of Columbia, United States
$103k-$185k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent; 8-10 years software/platform engineering; 2-3 years AI/LLM experience; strong Python/TypeScript; API and backend experience; AI-enabled apps with LLMs, embeddings, retrieval; RAG and agentic workflows; containerized deployments; Linux; observability; strong communication.
Python, TypeScript, Node.js, APIs, Linux, Git, Docker, CI/CD, observability, vector databases, embeddings, RAG, llama.cpp, Hugging Face
1mo
Save
Mark Applied
Hide
Missionforce - Associate Forward Deployed Engineer (FDE), Public Sector
Washington or Herndon
$96k-$177k/yr HybridFull Time
3+ YOE3-7 years software engineering or systems integration; CS background; proficiency in JavaScript/Java/Python/Apex; hands-on delivery of production solutions; AI/LLM experience; data integration/APIs; secure environment experience; travel 25-50%; US citizenship with security clearance.
JavaScript, Java, Python, Apex, Salesforce Platform, Data Cloud, LLMs, AI/ML
1mo
Save
Mark Applied
Hide
AI Solution Engineer- Ops
Huntsville or Washington, DC
HybridFull Time
4+ YOEMinimum 4 years experience in data science, analytics engineering, ML operations, or AI; HS/GED; TS/SCI eligible; Python, SQL, data pipelines; hybrid work (3 onsite/2 remote).
Python, SQL, Airflow, Spark, dbt, pandas, PostgreSQL, Snowflake
HiringCafe market data
Python Software Engineer 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
480+
Fresh sample
51% new in 30d
Salary visibility
51% show pay
Companies appearing in this market
Dark Wolf SolutionsKoniag Government ServicesAnika SystemsDeepgramDev Technology GroupGroundswellIgnite ITNavy Federal Credit Union
Work location mix in visible results
Hybrid: 23Onsite: 20Remote: 10