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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.
4w
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Senior Software Engineer (Big Data)
McLean, Virginia, United States
OnsiteFull Time
TS/SCI clearance, BS in CS/Engineering or related field, full stack development, big data tech (Hadoop/Spark/Kafka), Java/Python/C#, APIs/microservices, problem solving.
Hadoop, Apache Spark, Kafka, Java, Python, C#, REST APIs, Microservices, Front-end frameworks, Cloud (AWS)
5d
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PNT Flight Software Developer
Houston or Glen Burnie
$95k-$203k/yr OnsiteFull Time
5+ YOEMS or PhD in aerospace or related field; 5+ years; C/C++, Python; real-time software; GN&C hardware and sensors; SWIL/HWIL testing; Agile tools; Git.
C, C++, Python, Real-time software, GN&C hardware, IMU, Star Trackers, GPS, LIDAR, OpNav, JIRA, Git, Trick, Bash, GEONS, CSPICE, GMAT, Monte Carlo analysis
1mo
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Senior Software Engineer
Gaithersburg, Maryland, United States
OnsiteFull Time
8+ YOEBachelor’s or Master’s degree in CS/Engineering with 6+ years (Master’s) or 8+ years (Bachelor’s); TS/SCI clearance; strong OO programming, REST, SQL, Linux; AWS, Agile.
Java, Python, REST, SQL, Linux, Docker, OpenShift, Spring Boot, PostgreSQL, Tomcat, Maven, AWS, GitLab CI/CD, JavaScript, Front-end frameworks
1w
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Application Software Developer (Full Stack Developer)
Herndon, Virginia, United States
RemoteFull Time
10+ YOEExperienced full stack developer with 10+ years in software development; 5+ years in DevSecOps and cloud-hosted apps; strong Java, Python, AWS, React/Angular; CI/CD with Jenkins, GitHub, Artifactory; Jira/Confluence; API, databases (MySQL, PostgreSQL).
Java, Python, AWS, React, Angular, Jenkins, GitHub, Artifactory, Jira, Confluence, MySQL, PostgreSQL, JBoss, Spark, Vault
3w
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AI Analytic Software Engineer-Senior
Annapolis Junction, Maryland, United States
OnsiteFull Time
8+ YOESenior AI analytic engineer with TS/SCI clearance, Python/Java, cloud platforms, governance, and strong analytics experience.
Python, Java, Jupyter, Kubernetes, Docker, Elasticsearch, Git, GitLab, Hugging Face, PySpark
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance; degree in CS/EE/Physics or related; programming in Python/C++/Rust; Linux/cloud experience; onsite work; strong problem-solving.
Python, C++, Rust, Linux, AWS
2mo
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Software Engineer 0
Annapolis Junction, Maryland, United States
$119k-$159k/yr OnsiteFull Time
Active TS/SCI with POLY preferred; suitable for candidates with active clearance.
C, C++, Bash, Python, Java, Unix, MPI, SHMEM, CUDA, HIP, Jupyter, Matplotlib
2w
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Software Engineer - AI (Legal) – CoCounsel Forward Deployed Engineering
Frisco or New York City or Washington or Ann Arbor or Eagan
$95k-$203k/yr HybridFull Time
2+ YOE2–4 years software engineering experience; Python; AI/ML tooling; API integrations; legal domain interest; strong communication; hybrid work.
Python, OpenAI, Anthropic, AWS, Azure, GCP, Containers, LLM APIs, Vector databases
2w
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Homes.com - Senior Software Engineer (C#/.NET)
Arlington, Virginia, United States
HybridFull Time
5+ YOE5+ years production development with C#, .NET/.NET Core and/or Python; strong OO design; SQL and AWS experience; Bachelor's in CS/Engineering.
C#, NET, Python, AWS, SQL, Kafka, Datadog, DynamoDB, S3, Lambda, SQS, ElastiCache
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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Junior Software Developer
McLean, Virginia, United States
OnsiteFull Time
BS in CS/CE or equivalent, US citizen, software development experience, able to lift 20-50 lbs, willing to travel up to 25%, ability to obtain/maintain Secret/Sensitive clearance.
Java, JavaScript, Python, SQL, OWL, CSS, C++, C#, Bootstrap, XML, HTML, WSD1L
5d
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Mission Systems Software Test Engineer II
Reston, Virginia, United States
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
BS in engineering or physics; software testing experience; space systems knowledge; programming in Python/Golang/Rust/C++ ; cloud experience; strong communication.
AWS, Azure, Confluence, JIRA, Git, Python, Golang, Rust, C++
18h
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Staff Software Engineer, Defense and Consulting Engineering
Reston or New York
$207k-$300k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent; 8 years software development; 5 years full-stack across backend (Java, Python, Go, C++) and frontend (JavaScript/TypeScript, HTML/CSS); 5 years testing/launching software; 3 years design/architecture.
Java, Python, Go, C++, JavaScript, TypeScript, HTML, CSS
2w
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Sr. Software Engineer II (6520)
Tysons Corner, Virginia, United States
$142k-$195k/yr OnsiteFull Time
7+ YOEBachelor's degree in CS/IT/Engineering or equivalent; Secret clearance; 7+ years IT; 6+ years full stack with AWS; 3+ years Go/Python/Java/JavaScript/React/Angular/TypeScript/NextJS; IL6+ AWS; strong data, security, and deployment experience.
AWS, Python, Go, Java, JavaScript, React, AngularJS, TypeScript, NextJS, DevSecOps
1w
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Software Engineers
Annapolis Junction or Fort Meade
OnsiteFull Time
Develop, maintain, and optimize software systems; analyze performance; design databases; work with Java/C/C++, Python; exposure to web stacks; TS/SCI clearance.
Java, JavaScript, C, C++, Python, Angular, Docker, Kubernetes, Unix/Linux, MongoDB, Express, React, Node, Go, Vue.js, REST, SOAP, Spring, Hibernate
2mo
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Signals Software Engineer (RC-3)
Annapolis Junction, Maryland, United States
$210k-$250k/yr OnsiteFull Time
12+ YOEExperience with C++, Java, Linux; RF signal processing; software design and testing; leadership of software teams; TS/SCI with polygraph clearance.
C++, Java, Linux, Jenkins, Bamboo, Docker, Kubernetes, Python, Git, Clearquest, Trac, Subversion, Matlab, Simulink, GNU, REDHAWK, SCA
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
2mo
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Software Engineer Intern
Alexandria, Virginia, United States
$20/hr OnsiteFull Time, Internship
0+ YOECurrently enrolled in undergraduate or graduate program; experience with AWS, GCP, or Azure; Python programming; git; Office; strong communication; able to work in fast-paced team.
Amazon Web Services, Google Cloud Platform, Microsoft Azure, Git, GitHub Copilot, Terraform
2mo
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Software Engineer – (Hybrid-Remote in NOVA area) – McLean, VA; position requires a TS/SCI Clearance with polygraph
McLean, Virginia, United States
HybridFull Time
6+ YOEActive TS/SCI with poly, 6–10 years software development, BS in CS/Software Engineering, strong Python/Django, React/TypeScript, Docker, AWS.
React.js, TypeScript, JavaScript, Django, Python, FastAPI, Golang, Docker, Docker Compose, Jenkins, GitHub Actions, GitLab CI/CD, AWS, RDS Aurora, ECS/EKS, VPC, S3, EC2, CloudFormation, PostgreSQL, ElasticSearch, Kibana, OpenLayers, Terraform, Ansible, Open Source data tools
2mo
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2908 Software Integration Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
8+ YOEActive Secret clearance; 8-10 years systems engineering; Agile; DevSecOps tools; scripting; Java stack; strong communication.
JIRA, Confluence, Bamboo, Jenkins, Python, Bash, Java, Spring MVC, jQuery, Thymeleaf, AJAX, Bootstrap, CSS
2mo
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Senior Software Engineer (Hybrid) - 27020 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$138k-$200k/yr HybridFull Time
9+ YOE9+ years backend software engineering; proficient in Java, Python, or Go; experience with Trino, Kubernetes, Airflow, and PostgreSQL; strong problem-solving and collaboration skills; willingness to work hybrid in Columbia, MD.
Java, Python, Go, Trino, Kubernetes, Airflow, PostgreSQL, Keycloak, REST APIs, CI/CD
3w
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Senior Software Development Engineer L4
Bowie or Bowie Government Office
$85k-$170k/yr OnsiteFull Time
5+ YOE5+ years software development; strong C# and MS SQL; testing/architecture experience; AWS interest; independent contributor; strong collaboration.
C#, MS SQL Server, Python, Lua, AWS
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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Senior Software Automation Testing Engineer
Ashburn, Virginia, United States
$85k-$100k/yr HybridFull Time
5+ YOE5+ years in software testing; strong Python 3.8+; web frameworks (FastAPI, Django, Flask); REST API testing; AWS; automation; SQL; Git/Jenkins/Harness; Locust.
Python, FastAPI, Django, Flask, pytest, unittest, Locust, Gitlab, Harness, Jenkins, Oracle, Postgres, SQL, AWS
3w
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Full Stack Software Engineer (Part-Time)
Baltimore, Maryland, United States
$39k-$50k/yr OnsitePart Time
4+ YOEBachelor's degree in Engineering, Computer Science, or related field; 4 years software development experience; experience in regulated environments preferred.
Python, Java, C, C++, Git, CI/CD, React, Angular, Vue.js, Swift, Kotlin, Flutter, React Native, TensorFlow, PyTorch
1w
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Software Reverse Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
15+ YOEBachelor in STEM with 15 years as a reverse engineer or 4 additional years experience; strong C/C++, Python; low-level programming; reverse-engineering tools; TS/SCI with polygraph.
C, C++, Python, reverse-engineering tools, low-level programming
2mo
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Staff Engineer, Software Systems (R4445)
San Diego or Dallas or Washington, D.C. or Boston
$140k-$210k/yr OnsiteAll Commitments Available
5+ YOE5+ years systems engineering or related experience; BS in STEM; MBSE experience; software experience in C++/Python; able to obtain US security clearance.
C++, Python, MBSE, SysML, UML, Cameo
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
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
1mo
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Senior Software Systems Engineer, Product Owner
Chantilly or Seal Beach
OnsiteFull Time
5+ YOE5+ years in software development with Java/C/C++/Python; experience leading software projects; active Top-Secret/SCI eligibility with CI Polypost-start.
Java, C++, Python, HTML, CSS, JavaScript, React, Spring Framework, Hibernate, RDBMS, NoSQL, REST/Open API, CI/CD, Jenkins, GitLab CI, Maven, Gradle, JMS, WebLogic, SQL Server, Oracle, MySQL, MongoDB
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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Lead Software Engineer (Back-End)
Germantown, Maryland, United States
$120k-$170k/yr HybridFull Time
5+ YOE5+ years in software development (C#, .NET); lead development projects; 1+ year cloud (Azure/AWS/Snowflake); strong code reviews and mentoring.
C#, .NET, SQL, JavaScript, Azure, AWS, Snowflake, Python
1mo
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Senior I&T Software Engineer (Contract)
Arlington or Denver or Houston or Merritt Island
RemoteContract
9+ YOESenior software engineer with embedded/flight software, C/C++, and space hardware experience; 9+ years with Bachelor's or 7+ with Master’s; security clearance eligibility; US citizenship.
C, C++, Python, TCL, GNC, Embedded software, Hardware-in-the-loop, Test automation, RTOS
1mo
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Software Developer (Automation & Distributed Integration Systems)
Ashburn, Virginia, United States
$115k-$117k/yr HybridFull Time
5+ YOE5+ years software testing and test automation; strong C#/.NET Core; experience with backend services, APIs, distributed systems; CI/CD; test frameworks.
C#, NET Core, PowerShell, Python, HTTP/REST, TCP/IP, Sockets, xUnit, NUnit, MSTest, Git, CI/CD, Postman, Newman, RestAssured, Docker
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
1mo
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Software Engineer Junior Level
Linthicum, Maryland, United States
$100k-$200k/yr OnsiteFull Time
7+ YOETS/SCI with polygraph; 7+ years SWE experience; Bachelor’s in CS or related field with 4 years’ experience substitution; strong analytics; Pig; PySpark.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
1mo
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Application Developer / Software Engineer
Washington or Fairfax
HybridFull Time
4+ YOEMid-level application developer with 4–6 years of experience, SDLC expertise, on-site or hybrid work in the DMV area, strong skills in web and enterprise app tech; AI/ML preferred.
ASP.NET, C#, Python, Java, C/C++, HTML, XHTML, XML, XSLT, CSS, JavaScript, SQL, SQL Server, Oracle, MarkLogic, Visual Studio, Git, CI/CD pipelines, .NET Framework, SharePoint, Microsoft Power Platform, IIS, SQL Reporting, ETL, AI, ML
1mo
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SuccessFactors Recruiting: Research Software Engineer (Data Science and AI Institute) (120761)
Baltimore, Maryland, United States
HybridFull Time
3+ YOEMaster’s in CS/Engineering or quantitative field; 3+ years software development; Python expert; experience with AI/ML, data science, and scientific computing; Git, CI/CD; Docker/Singularity; SQL; cloud; mentoring.
Python, R, C/C++, JavaScript/TypeScript, Julia, Git, Docker, Singularity, Linux, CI/CD, SQL
2mo
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Software Developer, Senior (TS/SCI)
Arlington, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI clearance required; 10+ years software development; master’s degree or related certifications.
Java, Python, C#, JavaScript, TypeScript, REST, Power BI, Power Automate, AWS, CI/CD, DevSecOps
2w
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Consulting/Principal Software Engineer LNSSI
Washington or Virginia
$118k-$220k/yr OnsiteFull Time
2+ YOESecurity clearance TS/SCI with full-scope poly; BS in CS/MIS or related; 2-3 years Linux admin; scripting (SQL, Bash, Python, PHP, Perl); data analysis and scripting for big data systems
SQL, Bash, Python, PHP, Perl, ECL, HPCC, Kubernetes, AWS
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
43% new in 30d
Salary visibility
56% show pay
Companies appearing in this market
Airbus U.S. Space & DefenseBoeingFannie MaeGoogleHIIMetroStarPrescient EdgeBlue Origin
Work location mix in visible results
Onsite: 49Hybrid: 25Remote: 6