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Python Software Engineer Jobs in Ashburn, VA, US
2,200+ python software engineer jobs from 480+ companies hiring in Ashburn, VA, US.
1mo
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Forward Deployment Software Engineer
Reston, Virginia, United States
$200k-$288k/yr HybridFull Time
7+ YOE7+ years in distributed systems; container orchestration; IaC (Terraform/Pulumi); CS fundamentals; Java/C++/Golang/Python; public cloud experience; TS/SCI with Polygraph clearance; US citizenship; advanced degree in CS.
Terraform, Pulumi, Kubernetes, Cloud Platforms (AWS, Azure, GCP), Java, C++, Go, Python
2mo
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Senior Software Engineer
Bethesda, Maryland, United States
$140k-$235k/yr HybridFull Time
4+ YOETS/SCI clearance; Bachelor’s 4-8 yrs or Master’s 2-6 yrs; C#; API development; SQL Server; ETL; microservices; DevOps tools; AWS; Docker; AI/ML knowledge.
C#, API development, SQL Server, ETL, microservices, Docker, DevOps, GitLab, Jenkins, AWS, Lambda, GraphQL, Python, Bash, Apache NiFi, Kafka, Linux
1mo
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree required; 3+ years experience; CBP suitability eligibility; databases, web apps, and interfaces; strong communication.
Python, SQL, Java
2w
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IT Spec (APPSW) "Principal Software Engineer", GS-2210-15, FPL GS-15 (DH), Full-time
San Francisco or Denver or Washington or Atlanta or Chicago or Salt Lake City or Seattle
$150k-$197k/yr RemoteFull Time
1+ YOESenior software engineer with cloud-native design, CI/CD, and cross-language development (Python, Java, JavaScript); leadership and architectural responsibilities.
Python, Java, JavaScript, CI/CD, Infrastructure as Code, Cloud platforms
2w
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Senior Software Engineer III (Government)
Columbia, Maryland, United States
$89k-$208k/yr OnsiteFull Time
8+ YOEBachelor's degree; 8 years experience; .NET, Java, Python, C# skills; TS/SCI clearance.
.NET, ASP.NET, C#, Java, Python, Oracle
1mo
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Staff Software Engineer, Public Sector
San Francisco or St. Louis or New York or Washington
$189k-$362k/yr HybridFull Time
Experience in full stack development, cloud platforms, data engineering, AI integration, strong problem solving, collaboration, and learning agility; mentoring.
Docker, Kubernetes, AWS, Azure, GCP, ETL, Data Warehousing, Data Governance, LLMs, RAG, Agent Orchestration, Python, JavaScript
1mo
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Senior Software Developer - Clearance Required
Reston or Joint Base Anacostia-Bolling
HybridMultiple Commitments Available
6+ YOE6+ years in distributed software development; frontend tech stack (Vue, JavaScript, TypeScript); backend services; Agile; TS/SCI clearance preferred.
Vue, JavaScript, TypeScript, React, Angular, Linux, Git, Jira, Confluence, Artifactory, APIs, Relational databases, NoSQL, Agile, Security-focused development, CI/CD, Python, Java, Docker, Kubernetes, OpenShift, Jenkins, Keycloak, OAuth2, JWT, SonarQube, OWASP ZAP, Fortify, CI/CD pipelines, AWS, Azure, CI/CD
4w
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Senior Software Engineer (Auth & Identity)
Vienna or Remote
$100k-$155k/yr HybridFull Time
4+ YOEBackend-focused senior engineer for authorization and identity systems; 4+ years in auth, RBAC/ABAC, OAuth/OIDC/SAML; multi-tenant, distributed systems; cloud experience.
Python, Go, Java, OAuth 2.0, OIDC, SAML, AWS, Azure, GCP
3w
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Ground Station Software Engineer (Staff to Senior Staff)
Chantilly or United States
$148k-$215k/yr RemoteFull Time
10+ YOEBachelor's in CS/Software Eng; 10–15 yrs software engineering; leadership; avionics/GCS experience; aerospace domain; proficiency in modern UI and web/real-time systems.
TypeScript, C++, Python, C#, React, Node.js, Electron, Docker, Kubernetes, MAVLink, STANAG 4586, WebSocket, REST, Mapbox, MapLibre GL, Qt, WPF
3w
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Staff Software Engineer - Amazon Connect REMOTE
Frisco or Overland Park or Danbury or Franklin or Coral Gables or Tampa or Alpharetta or King of Prussia or Chicago or Boston or Birmingham or New York City or Lake Mary or Charlotte or Houston or Sunrise or Hartford or San Antonio or Alexandria or Independence or Hunt Valley
$116k-$174k/yr RemoteFull Time
8+ YOE8+ years in software development and cloud computing; extensive AWS experience; AWS certification required; Bachelor's degree in CS/IT or related field.
AWS, Amazon Connect, AWS Lambda, API Gateway, DynamoDB, EventBridge, CloudWatch, SQS, KMS, S3, Terraform, Node.js, Python, Java
1mo
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Software Development Engineer in Test (SDET)
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years in software development or test; strong Python/C/C++/Rust; automated test frameworks; embedded/Linux; CI/CD; HW/SW debugging; documentation; strong communication; active U.S. security clearance.
Python, C/C++, Rust, pytest, Robot, Docker, Kubernetes, QEMU, Wireshark, Scapy, CI/CD, Firmware testing, Linux
1mo
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Cleared AI/ML Software Engineer - Expert
Fairfax, Virginia, United States
$180k-$240k/yr OnsiteFull Time
10+ YOE10+ years software development, 5+ years AI/ML, TS/SCI with poly clearance, strong Python/Java/JS/C/C++, AWS, ML frameworks.
Python, Java, JavaScript, C++, Rust, PyTorch, TensorFlow, Scikit-learn, SQL, NoSQL, REST, GraphQL, Linux, AWS
2w
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Jr Full Stack Developer (Python/React.js)
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
2+ YOEBachelor's in CS/Engineering; 2+ yrs Python and React; experience with AI-assisted development; microservices; Agile/Jira; US citizen; located in DC metro area.
Python, React.js, GitHub Copilot, Microservices, JIRA, AWS, Docker, Kubernetes, PostgreSQL, MongoDB, DynamoDB
1w
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Hybrid Software Reverse Engineer - FUTURE NEED
Vienna, Virginia, United States
$43-$96/hr OnsiteFull Time
US citizen; ability to obtain government security clearance; Bachelor's in CS/CE/EE/Math/Physics; read assembly; proficient in C/C++/Java/Python; knowledge of Java and low-level languages; strong communication and teamwork.
IDA Pro, Python, MongoDB, Neo4j, C, C++, Java, C#
2mo
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Senior Software Systems Engineer
Falls Church, Virginia, United States
$155k-$185k/yr OnsiteFull Time
9+ YOEActive Top Secret clearance; system design, integration, validation; Agile/CI/CD; IC experience; leadership; 9+ BS/7+ MS/4+ PhD.
Jenkins, Git, MBSE, Python, C++
2mo
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Software Engineer II (Fullstack, Business Systems)
Boston, Massachusetts, United States
$125k-$175k/yr OnsiteFull Time
2+ YOEBS in Computer Science or related field; 2–4 years software development; API design/integrations; relational DB design; production web apps; strong communication; AI tooling aptitude.
Python, Java, JavaScript, TypeScript, APIs, Relational databases, Data modeling, Booth systems integrations, NetSuite, Salesforce, Stripe, Boomi
3w
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Staff Software Development Engineer - Person API
Mountain View or McLean
$218k-$260k/yr OnsiteFull Time
8+ YOE8+ years backend API development; experience in Python/Go/Java; REST/GraphQL APIs.
Python, Go, Java, REST, GraphQL, PostgreSQL, NoSQL, Kafka, AWS, GCP, Azure, Kubernetes, OAuth2, OIDC, JWT, APIGateway
2mo
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Software Developer I (Artificial Intelligence/Machine Learning) – Division of Information Technology
Washington, District of Columbia, United States
$129k-$150k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years of software development experience, with 3+ years in AI/ML; strong Python; AI frameworks; cloud; DevOps; security.
Python, PyTorch, TensorFlow, Hugging Face Transformers, LangChain, LlamaIndex, Docker, Kubernetes, CI/CD
2mo
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Software Engineer, Backend - AI Practice Team
Houston or Knoxville or Washington
$90k-$150k/yr OnsiteFull Time
8+ YOE8+ years backend development; Go and Python; cloud deployment; Kafka; distributed systems patterns; performance optimization; Docker/Kubernetes; Databricks.
Go, Python, Kafka, Docker, Kubernetes, Databricks
1mo
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Full Stack Software Engineer, Developer (Associate or Experienced)
Chantilly or Seal Beach
$106k-$183k/yr OnsiteFull Time
3+ YOE3+ years in CS; OO programming in Java/C++/Python; active Top-Secret/SCI eligibility; CI/CD experience; space/ defense domain a plus.
Java, C++, Python, HTML, CSS, JavaScript, React, Spring Framework, Hibernate, RDBMS, NoSQL, REST/Open API, Jenkins, GitLab CI, JMS, WebLogic, Ivy, Maven, Gradle, SQL Server, Oracle, MySQL, MongoDB
2w
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Automated Testing Software Engineer (mid-level)
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
5+ YOE5-8 years of professional software development and automated testing experience; on-site at Dahlgren, VA; DoD/Secret clearance required.
Python, C++, Git, GitLab, Docker, Jenkins, RedHat Linux, Rust, Automated testing frameworks
2mo
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Evergreen: Staff Software Engineer - (Lead Developer)
Washington, District of Columbia, United States
$140k-$157k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years of engineering experience; expert-level in at least one stack; remote position; full stack development.
Full Stack, Java, JavaScript, React, Node.js, Python
3w
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Sr. Software Engineer - TS/SCI CI Poly Required
Washington, District of Columbia, United States
OnsiteFull Time
Tesla Laboratories: Provides engineering, cybersecurity, and environmental services to federal agencies.
Active TS/SCI clearance with CI Polygraph required; experience with Java, Groovy, Grails, Python, PL/SQL, JavaScript, CSS, HTML; Oracle DB; Tomcat; GIS tools.
Java, Groovy, Grails, Python, PL/SQL, JavaScript, CSS, HTML, Oracle, Tomcat, GeoServer, OpenLayers, XML, JSON, IBM Watson Explorer, Elasticsearch
1mo
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MD-DevOps Software Engineer - TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$180k-$230k/yr OnsiteFull Time
8+ YOE8+ years DevOps; 5+ years CI/CD tooling; Windows admin; scripting (Java, Groovy, Python, PowerShell, Bash); IDEs; VM and container experience; strong communication; fast learner.
Java, Groovy, Python, PowerShell, Bash, JavaScript, AngularJS, Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm, Version Control, VMs, Containerization
2w
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AI/ML Software Developer - Top Secret
Tysons, Virginia, United States
$90k-$135k/yr OnsiteFull Time
2+ YOEActive Top Secret clearance; Bachelor’s in computer science or related field; minimum 2 years of relevant experience; JavaScript/Java/Python and OO programming; strong data structures and algorithms; experience with LLM tools.
JavaScript, Java, Python, Object-Oriented Programming, LLM tools
1w
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Principal Software Engineer - On-site (Germantown, MD, US, 20876)
Germantown, Maryland, United States
$131k-$203k/yr OnsiteFull Time
8+ YOELead architect for software and systems across product ecosystem; strong C/C++, real-time OS; 8+ years experience; occasional travel.
C/C++, Real-time operating systems, Matlab, Python, Linux, React, Node.js
2mo
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Vulnerability Researcher (iOS platforms)/ Software Engineer (VR), Mid-Level
Chantilly, Virginia, United States
OnsiteFull Time
3+ YOE3+ years in vulnerability research/reverse engineering; strong iOS experience; programming in C/C++, Python; reverse engineering tools; active TS/SCI clearance.
IDA Pro, Ghidra, Frida, C/C++, Python
22h
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LightGrid, LLC - Data Integration Software Developer
Odenton or Fort Meade
OnsiteFull Time
4+ YOEBachelor's in CS/Math/Physics/EE/Computer Eng or related; 4+ yrs Kafka/Java/REST/AWS/full stack; Python/Java/SQL; DoD Secret/Interim Secret clearance; DoD 8570 IAT II within 30 days.
Kafka, Elastic, Databricks, Confluent, Elasticsearch, Logstash, ksqlDB, Kafka Streams, Kubernetes, Docker, Python, Java, SQL, HTML, JavaScript, Git, Bitbucket, NiFi, UNIX, Kibana
1mo
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Software Development Engineer In Test (SDET)
Baltimore, Maryland, United States
$105k-$125k/yr HybridFull Time
3+ YOEBachelor's in CS/IT or related field; 3+ years in QA/SDET; AI-assisted testing experience; manual testing; Python; Playwright; CI/CD; Agile collaboration.
Python, Playwright, Robot Framework, GitHub Copilot, ChatGPT, Claude, Selenium, Cypress, CI/CD
4d
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Sr. Developer w/Analytics
Crystal City or United States
$100k-$150k/yr RemoteFull Time
5+ YOE5+ years software development experience with analytics; strong Python, SQL, data warehouses/lakes, Spark/Databricks, Elasticsearch; DHS Public Trust eligibility; US citizenship.
Python, SQL, PostgreSQL, Oracle, Data Warehouses, Data Lakes, Apache Spark, Databricks, Elasticsearch
1mo
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Mid Level Developer
Rosslyn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree in Computer Science or Information Technology; 3–7 years software development experience; proficient in Python, Java, or C#; familiarity with Agile/Scrum/SAFe; API and database experience; strong problem-solving and communication skills.
Python, Java, C#, REST, SQL, NoSQL
1w
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Commence - Full Stack Software Engineer
Washington, District of Columbia, United States
$105k-$135k/yr RemoteFull Time
Commence: Delivers AI-powered data solutions for healthcare quality and integrity.
5+ YOE5+ years in full-stack development; strong React/Node.js; AWS serverless; REST APIs; CI/CD; relational/noSQL DB; HIPAA/security practices; excellent communication.
React, Node.js, .NET, Bootstrap, Python, PHP (Laravel), C#, AWS, Amplify, EC2, S3, Lambda, RDS, REST, Git
1w
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Full Stack Software Engineer – UI/UX & Web Engineering (Azure)
New York or Washington or Denver or Seattle or Los Angeles or Chicago or Austin or Dallas
OnsiteFull Time
12+ YOEBachelor's degree; 12+ years full-stack experience; strong React/Vue; REST APIs; Python/Node/.NET; Azure services; DevOps; Git; Agile.
React, Vue, Python, Node.js, .NET, REST APIs, Azure, Azure App Services, Azure Functions, Cosmos DB, Azure Storage, CI/CD, Git
1w
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Senior Full Stack Software Engineer - Consumer Operations
Austin or Chicago or Washington or New York City
$130k-$160k/yr HybridFull Time
5+ YOESenior full-stack role focused on building high-quality software; collaborate with cross-functional teams; strong frontend and backend skills in modern web tech.
React, Typescript, JavaScript, Python, Snowflake, AWS, Terraform, SQL, MySQL, GitHub Actions, OpenAI
2mo
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26-1084 - Full Stack Software Engineer - Herndon, VA
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEMid level full stack engineer with 3+ years, strong React/Node.js, Spring Boot, AWS, Docker/Kubernetes, SQL/NoSQL, and Secret clearance.
React, Node.js, Spring Boot, Java, Python, SQL, NoSQL, Oracle, PostgreSQL, Aurora, DynamoDB, Docker, Kubernetes, AWS, Git, Jenkins, Unix Bash, Angular, Bootstrap, REST APIs, Cloud Compute
5d
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Staff SW Engineer, Ground & Control Services
Seattle or Herndon or United States
$155k-$180k/yr HybridFull Time
10+ YOE10+ years software development; proficient in Go/Python/C++; cloud and on-prem microservices; satellite ops experience; US citizenship.
Go, Python, C++, AWS, Azure, GCS, Kubernetes, Git, CI/CD, On-Prem, Terraform, Nomad
2mo
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Senior Staff Software Engineer — Application Engineering
Bothell or Boulder or College Park
$193k-$253k/yr HybridFull Time
12+ YOE12+ yrs backend/full-stack; 5+ yrs CI/CD; 5+ yrs C/C++ or Rust; 3+ yrs Docker/Kubernetes; shipping containerized apps; quantum computing background; using coding tools daily.
Python, Golang, GitHub Actions, Jenkins, C/C++, Rust, Docker, Kubernetes, CUDA, OpenMP, Airflow, Dagster, Temporal
4d
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Sr. Developer w/Analytics
Crystal City or United States
$100k-$150k/yr HybridFull Time
5+ YOE5+ years software development; analytics experience; U.S. citizenship with DHS 6C Public Trust suitability; Bachelor’s in CS or related field; strong Python/SQL and data tech; ability to work onsite in Crystal City, VA 1–2 days/week.
Python, SQL, PostgreSQL, Oracle, Data Warehouses, Data Lakes, Apache Spark, Databricks, Elasticsearch
1mo
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Software Tester / QA Engineer (Web & API Testing)
Chantilly, Virginia, United States
$160k-$190k/yr OnsiteFull Time
3+ YOE3+ years in software testing; strong web and REST API testing; API tools; test automation; JavaScript/Python/Java; Agile/Scrum.
Postman, Swagger, Cypress, Git, JavaScript, Python, Java, JSON
1mo
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SME Full Stack Developer - Java/Python , Clearance Required
Ashburn, Virginia, United States
HybridFull Time
5+ YOE5+ years’ full-stack development with Java/Python; security clearance (Secret); government/military domain experience.
Java, Python, Spring Boot, Docker, Kubernetes, REST, React, Angular, Vue.js, Jenkins, Gitlab CI, Harness, gRPC, RabbitMQ, Kafka, AWS, PostgreSQL, Oracle, Elasticsearch, Solr, Hadoop, Spark
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
40% new in 30d
Salary visibility
72% show pay
Companies appearing in this market
Applied Information SciencesAbsolute Business Solutions CorpActioNetBoeingCipher Tech SolutionsFalls TechnologyREDLatticeAmerican Bureau of Shipping
Work location mix in visible results
Onsite: 49Hybrid: 22Remote: 7