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Python Software Developer Jobs in Manassas, VA, US
2,100+ python software developer jobs from 480+ companies hiring in Manassas, VA, US.
6d
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Java Developer
Vienna, Virginia, United States
$150k-$195k/yr HybridFull Time
4+ YOE4+ years experience; TS/SCI clearance; on-site Vienna, VA; Java development; AWS; NoSQL preferred.
Java, JavaScript, XQuery, Python, HTML, SQL, NoSQL, AWS
1mo
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Application Developer
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOEExperience building secure Java web apps (Spring), Python, React; SQL/NoSQL; AWS; REST APIs; CI/CD; Git; DevOps; Elasticsearch/MongoDB; NiFi; ETL; MapReduce; HBase.
Java, Spring, Spring Boot, Spring Security, Python, JavaScript, TypeScript, React, PostgreSQL, MySQL, PL/SQL, AWS, Jenkins, Git, Elasticsearch, MongoDB, NiFi, ETL, MapReduce, HBase
1mo
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Manager, Software - Perception (R3770)
Washington, District of Columbia, United States
$220k-$331k/yr OnsiteFull Time
7+ YOE2+ MgmtLead teams, develop perception algorithms, and implement sensor fusion for defense platforms. Requires DoD experience, leadership, and SECRET clearance.
Python, C++, PyTorch, TensorFlow, Kalman Filters, Sensor Fusion, SLAM, Vision systems
1w
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GIS Developer Analyst (Key Personnel)
Washington or Albuquerque or Germantown or Denver
HybridFull Time
3+ YOEBachelor's degree in GIS/Geography/CS or related field; 3–5 years GIS development; Python/JavaScript/C#/Java; geospatial analysis; DOE Q clearance; emergency management experience preferred.
ArcGIS Pro, ArcGIS Online, Experience Builder, Survey123, Python, JavaScript, ArcPy, ArcGIS SDKs, C#, Java
1w
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Cyber Software Engineering Intern
Herndon, Virginia, United States
OnsiteInternship
Enrolled in Computer Science/Engineering; experience in C/C++/Python; Linux; US citizenship; ability to obtain government clearance.
C, C++, Python, Linux
3w
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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
1w
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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
1mo
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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
2w
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AI Developer
Fairfax, Virginia, United States
RemoteFull Time
Hands-on AI/ML development, secure DoD environments, CI/CD, IaC, and LLM integration; US citizenship and potential Secret clearance.
Python, PyTorch, TensorFlow, NLP/LLMs, GitHub, GitLab, Jenkins, Terraform, AWS SageMaker, Bedrock GovCloud, OpenAI, Mabl, Applitools
2mo
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Sr. Web Application Developer #1703183
Chantilly, Virginia, United States
$121k-$135k/yr OnsiteFull Time
8+ YOEDesign, develop, test web apps; US citizenship; active TS clearance with SCI access and CI polygraph; onsite Chantilly, VA; 8+ years web development; BS in CS/Software Engineering; SAFe and agile experience; 508 compliance; modern frontend and backend tech; cloud and DevSecOps.
Angular, React, .NET C#, Python, Node.js, JavaScript, TypeScript, HTML5, CSS3, Bootstrap, MySQL, PostgreSQL, Microsoft SQL, Elasticsearch, RabbitMQ, Redis, Docker, Kubernetes, AWS GovCloud, SC2S, C2S, DevSecOps
4d
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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
1mo
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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
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Full Stack Engineer III
Washington, District of Columbia, United States
$125k-$135k/yr HybridFull Time
5+ YOE5+ years web app development; mentorship; backend in PHP/Python/Node; MySQL; JavaScript with Vue/React/Angular; production web app experience; US work authorization.
PHP, Python, Node.js, MySQL, Vue, React, Angular, JavaScript
2w
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Forward Deployed Engineer
Austin or Remote or Reston
HybridFull Time
6+ YOE6+ years in software/data/ML; degree in CS/Engineering/Math/Physics/Data Science; hands-on with AI/ML and LLM frameworks; production systems; multi-cloud; containerization; Python/Java/TypeScript; travel 25–75%; client collaboration.
PyTorch, Hugging Face, LangChain, vLLM, Docker, Kubernetes, Python, Java, TypeScript
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
2w
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Dev/ MLOps Engineer I (Full Stack)
Rockville, Maryland, United States
$95k-$120k/yr HybridFull Time
0+ YOE0–3 years of software engineering/DevOps/MLOps experience; strong Python, Bash, SQL; CI/CD and cloud familiarity.
Python, Shell scripting, SQL, GitHub Actions, Jenkins, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP, NoSQL, Grafana, Prometheus, CloudWatch, JavaScript, TypeScript, API development, IoT, Distributed systems
1mo
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Cloud Developer
Washington, District of Columbia, United States
$175k-$185k/yr OnsiteFull Time
7+ YOEActive Top Secret clearance with SCI/CI poly ability; BS in Engineering or Computer Science; 7-9 years of Cloud Developer experience; AWS Certified Solutions Architect – Professional.
AWS, Azure, Google Cloud, Terraform, CloudFormation, Azure ARM Templates, PowerShell, Python, Bash
2mo
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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
1mo
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Senior Website Developer
Arlington, Virginia, United States
OnsiteFull Time
5+ YOE5+ years web development; bachelor’s in CS/IT/Web Development; front-end and back-end skills; CMS experience; US citizenship with Public Trust clearance.
HTML5, CSS3, JavaScript, React, Angular, Vue.js, PHP, Python, Ruby, Node.js, Drupal, WordPress, USWDS
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
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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CNO Capability Developer (Linux) (Maryland, Fort Meade)
Fort Meade, Maryland, United States
OnsiteFull Time
3+ YOE3+ years software development; 3+ years embedded HW/SW; vulnerability analysis; Linux; Git; TS/SCI with Polygraph; Bachelor's degree; proficiency in multiple languages.
C, C++, Golang, JavaScript, Python, Ruby, Bash, Git, Linux, Wireshark, tshark
1w
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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
2mo
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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
6d
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Senior QA Engineer
Richmond or Washington
$86k-$115k/yr RemoteFull Time
5+ YOE5+ years QA automation in web/mobile, with BDD frameworks, Python or Java, and CI/CD experience.
BDD frameworks, Cucumber, Behave, JMeter, Python, Java, CI/CD, Git
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 AWS cloud development; IaC (Terraform/Ansible); GitLab CI/CD; Bachelor's degree in a technical field.
Terraform, Ansible, AWS, GitLab, Python, Node.js, S3, EC2, VPC, IAM, RDS, Aurora PostgreSQL, Splunk, Docker, EKS
4w
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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
4d
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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
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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
1mo
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Senior Full Stack Developer TS/SCI (or eligible)
Reston, Virginia, United States
OnsiteFull Time
5+ YOE5+ years full stack development; React/Angular/Vue; Node.js/Java/Python; RESTful APIs; databases; cloud; Git/CI/CD; TS/SCI eligibility.
React, Angular, Vue, Node.js, Java, Python, RESTful APIs, PostgreSQL, MySQL, MongoDB, AWS, Azure, GCP, Git, CI/CD, Docker, Kubernetes, GraphQL
1mo
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Windows CNO Developer
Arlington, Virginia, United States
$60k-$180k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance; 7–10+ years in low-level or systems programming on Windows; proficiency in C/C++, Python, and assembly; experience with reverse engineering tools; strong Windows internals knowledge.
IDA Pro, Ghidra, WinDbg, x64dbg, Visual Studio, Git, CMake, Python, C/C++, Assembly
1mo
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Control Systems / Embedded Software Engineer
Fredericksburg, Virginia, United States
OnsiteFull Time
5+ YOEBS/MS/PhD in Robotics, Mechanical or Electrical engineering; 5+ years experience; U.S. Citizenship; ability to obtain Secret clearance; experience with C/C++, Python, ROS, Linux; motor control and embedded systems.
C++, Python, ROS, Git, Linux, Matlab, Octave, Altium, RS232, RS422, RS485, CAN, TCP/IP
1mo
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Lead- Full Stack Engineer
McLean, Virginia, United States
HybridFull Time
10+ YOE10+ years in full stack development; hands-on Vue.js, Node.js, Python; GenAI/LLM integration; AWS cloud services (Lambda, S3, RDS, Fargate); REST/GraphQL APIs; Kafka; Docker; Kubernetes; RDBMS (Postgres/MySQL/Oracle)
Vue.js, Node.js, Python, GenAI/LLM, AWS (Lambda, S3, RDS, Fargate), REST APIs, GraphQL, Kafka, Docker, Kubernetes, PostgreSQL, MySQL, Oracle, CI/CD
3h
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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
1mo
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Full Stack Developer
Bethesda, Maryland, United States
OnsiteFull Time
3+ YOEMid-level full stack developer with 3+ years in UI/UX, backend, AWS, IaC, Docker/Kubernetes; TS/SCI poly clearance required.
React, Java, Python, Go, SQL, MongoDB, PostgreSQL, Oracle, MySQL, AWS, CDK, Terraform, CloudFormation, Docker, Kubernetes, ECS, SQS, SNS, RDS, DynamoDB, IAM
1mo
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Full-Stack Developer
Reston or Chantilly
OnsiteFull Time
5+ YOEFive years of experience in multiple modern programming languages and data stores; full-stack development; Java; JavaScript/Node.js; Elasticsearch; Vue.js; AWS or cloud experience.
Java, JavaScript, Node.js, Elasticsearch, Vue.js, AWS, Kubernetes, Docker, Gitlab CI/CD, Python
1mo
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Software Integration Engineer (Prime Contract)
Annapolis Junction, Maryland, United States
$200k-$230k/yr OnsiteFull Time
12+ YOESenior Systems Integration Engineer with 12+ years in DoD environments; TS/SCI with Polygraph clearance; strong Linux, AWS, automation, and security expertise.
RHEL, AWS, Bash, Python, Ansible, DISA STIGs
1mo
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Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOE5–7+ years in full stack development; proficient in Java/C#/C++; modern JavaScript (React); REST APIs; databases (SQL, MongoDB); cloud (AWS/Azure); DevOps; Agile/Scrum.
Java, C#, C++, React, HTML, CSS, SQL, MongoDB, Elasticsearch, Python, R, AWS, Azure, REST, API, IaC, DevOps, Terraform, Docker, Kubernetes
1mo
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CNO Developer - Android and/or iOS
McLean, Virginia, United States
OnsiteFull Time
3+ YOE3+ years experience with Android or iOS; 3+ years experience with C and Python; TS/SCI with ability to get an FSP; full-time on site with sponsor in northern VA (Herndon or Arlington).
Android, iOS, C, Python, C#, Objective-C
3w
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RPA Developer (Robotic Process Automation, Associate)
Arlington, Virginia, United States
$122k-$131k/yr HybridFull Time
7+ YOE7+ years of relevant experience; knowledge of federal financial, accounting, procurement processes; 1-3 years in systems development and automated financial systems analysis; 1 year developing bots using RPA tools; strong communication and analytical skills.
UiPath, Automation Anywhere, BluePrism, Kofax, SQL, NoSQL, C#, Visual Basic, Python, Javascript, Java, .NET, REST APIs
HiringCafe market data
Python Software Developer Jobs market signals in Manassas, 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
2,100+
Hiring companies
480+
Fresh sample
45% new in 30d
Salary visibility
50% show pay
Companies appearing in this market
LMIShield AIDark Wolf SolutionsE-INFOSOLKoniag Government ServicesEABJ5 ConsultingLeading Path Consulting
Work location mix in visible results
Onsite: 36Hybrid: 18Remote: 4