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Python Developer Jobs in Gainesville, VA, US

3,700+ python developer jobs from 790+ companies hiring in Gainesville, VA, US.

All jobs in Gainesville, VA, USPython Developer Jobs in United States
Nearby:Linton Hall·Bull Run·Sudley·Manassas·Manassas Park·Centreville·South Riding·Buckhall·Bristow·Chantilly·West Gate·New Baltimore·Washington·Oak Hill·Fairfax·Herndon·Oakton·Sterling·Reston
3,736 jobs- Gainesville • 50 miles
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Senior Full Stack Developer TS/SCI (or eligible)
Reston, Virginia, United States
OnsiteFull Time
Vibrint
Vibrint: Provides mission-critical systems and data analysis for national security.
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
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AI Engineer
Reston, Virginia, United States
$75k-$170k/yr OnsiteFull Time
Amivero
Amivero: Provides digital services and IT modernization for government agencies.
5+ YOE5+ years software or ML engineering; 2+ years GenAI/LLM; strong Python; vector DB and RAG experience; AWS Bedrock/OpenSearch; US citizenship; DHS clearance preferred.
Python, OpenSearch, Bedrock, Pinecone, Weaviate, Chroma, FAISS, LangChain, LlamaIndex, Haystack, APIs, Docker, Kubernetes, MLOps, CI/CD, Cloud
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ArcGIS Developer
Arlington, Virginia, United States
OnsiteFull Time
DMI
DMI: Provides end-to-end digital transformation and managed IT services.
Develops, maintains, and enhances ArcGIS Enterprise; Python scripting; geospatial data management; cloud integration; RBAC and security compliance.
ArcGIS Enterprise, ArcGIS Server, Portal for ArcGIS, ArcGIS Data Store, Python, AWS GovCloud, RBAC
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Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides cybersecurity and intelligence services for national security missions.
8+ YOEEight years of SWE experience; Bachelor's in Computer Science; Grafana, Bash, Python, JavaScript, React; active security clearance with polygraph.
Grafana, Bash, Python, JavaScript, React, Transcript
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Devops Engineer - Federal
Washington, District of Columbia, United States
RemoteFull Time
Cognition
Cognition: Develops autonomous AI software engineers and developer tools.
2+ YOE2+ years software engineering; federal/government experience; compliance and security controls; Python/TypeScript; strong distributed systems skills.
Python, TypeScript
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Jr. Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
4+ YOEJava, C, and/or Python; TS/SCI with Poly required; Bachelor's in CS; 4 years SWE experience may substitute for degree.
Java, C, Python
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Windows CNO Developer
Arlington, Virginia, United States
$60k-$180k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
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
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Senior Full Stack Developer
Herndon, Virginia, United States
OnsiteFull Time
Karsun Solutions
Karsun Solutions: Provider of IT modernization and software development for government agencies.
10+ YOESenior full stack developer with 10+ years of software development, AI/ML exposure, and ability to lead modernization efforts.
Java, Python, Node.js, JSP, Tomcat, jQuery, SQL, ETL, APIs, CI/CD, Cloud
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6d
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Software Engineer
Reston, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
3+ YOEStrong engineering background; 3+ years with Java, Python, C++, Rust, Go, JavaScript; data processing experience; navigate complex systems; travel up to 25%; eligible for U.S. Secret clearance.
Java, Python, C++, Rust, Go, JavaScript
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Software Engineer
Reston, Virginia, United States
OnsiteFull Time
Novul Solutions
Novul Solutions: Providing cybersecurity, software engineering, and IT solutions for government.
5+ YOEProficient in Python and Linux shell scripting; AWS CDK experience; data transformation (JSON/CSV/XML); cloud services knowledge (Lambda, S3, EC2, DynamoDB); able to work in classified environments.
ElasticSearch, OpenSearch, AWS, Lambdas, SNS, SQS, Docker, CDK, Python, Linux, JSON, CSV, XML
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Software Engineer
King George, Virginia, United States
OnsiteFull Time
Southeastern Computer Consultants
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
5+ YOEActive Secret clearance, US citizen, BS in engineering/science/technical field, 5 years software engineering experience, strong Java/C++/Python, Linux, Windows, Git, Jira, and multithreading.
Java, C++, Python, Git, Jira, Linux, Windows, Multithreading, JavaFX, JUnit, Mockito, Network programming in Java
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C3 AI Engineer
McLean, Virginia, United States
$140k-$190k/yr OnsiteFull Time
Steampunk
Steampunk: Provides digital transformation and IT consulting for federal agencies.
8+ YOE8+ years total, 5+ years AI/ML; strong Python; experience with C3 AI Platform; cloud and security; mentorship and collaboration.
Python, Java, TypeScript, C3 AI Platform, Docker, Kubernetes, Cloud platforms, APIs, RAG, Embeddings, Vector stores, CI/CD
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Full Stack Developer - Tech Dev (TS/SCI Required)
Washington or Reston
$165k-$185k/yr OnsiteFull Time
Kentro
Kentro: Provides digital transformation and IT services to federal agencies.
7+ YOE7+ years software development; full stack; TS/SCI clearance; BS or AS with 10+ years exp; strong JS/TS, .NET/C#, Python; SQL/ORM; Git; Agile; able to work with government clients.
.NET, C#, Python, JavaScript, TypeScript, React
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2w
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SpaceOps Tool Developer
Suitland-Silver Hill, Maryland, United States
$92k-$129k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
3+ YOEBachelor's in aerospace or related field; 3-5 years aerospace experience; strong software skills; tool development and maintenance; able to travel.
C, C++, Rust, Python, Google Apps Script, Linux
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Software Engineer
Arlington, Virginia, United States
HybridFull Time
Elder Research
Elder Research: Provides data science, machine learning, and predictive analytics consulting services.
3+ YOE3+ years software development with C#/.NET, Azure, CI/CD, and LLM API integration; US citizenship with Public Trust clearance.
C#, NET, Azure, ARM templates, Bicep, Azure DevOps, GitHub Actions, Python, LLM APIs, OpenAI, Anthropic
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Real-Time Systems Software Engineer (RR1033)
Manassas, Virginia, United States
OnsiteFull Time
HART Technologies
HART Technologies: Designs and manufactures electronic systems and software for defense applications.
4+ YOEBS in CS/CE/EE; 4+ yrs software development in a team; proficient in C/C++, Java, Python; experience Windows and Linux (RHEL).
C/C++, Java, Python, Windows, Linux
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Modernization Engineer (Senior)
Manassas, Virginia, United States
OnsiteFull Time
Spear AI
Spear AI: Develops AI software and sensors for maritime defense operations.
Senior software engineer with Rust, C/C++, Docker/Kubernetes, Kafka/Redpanda, Terraform/Pulumi, Python; strong testing, linting, and CI/CD experience.
Rust, C/C++, Docker, Kubernetes, Kafka/Redpanda, Terraform, Pulumi, Python, GitHub Actions, Protobuf
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2w
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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
Amtrak
Amtrak: Operates America's national intercity passenger railroad system.
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
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Machine Learning Engineer
Cambridge or Seattle or Arlington
$90k-$210k/yr HybridFull Time
MORSE Corp
MORSE Corp: Develops AI-driven software solutions for US national security missions.
Proven experience in CV models, ML, Python; cloud and MLOps tools; security clearance readiness.
Python, AWS, Azure, Docker, MLOps, Airflow, MLFlow, AimStack
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Lead- Full Stack Engineer
McLean, Virginia, United States
HybridFull Time
Tiger Analytics
Tiger Analytics: Provides AI and advanced analytics consulting for global enterprises.
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
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Software Development Engineer in Test (SDET)
Arlington, Virginia, United States
OnsiteFull Time
Zetier
Zetier: Cybersecurity engineering for defense and intelligence missions.
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
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Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
Altus Consulting
Altus Consulting: Provides specialized cybersecurity and IT systems engineering services.
2+ YOEActive TS/SCI clearance with polygraph; Bachelor's in CS/IS/Engineering; 2+ years software development experience; knowledge of cloud and security best practices.
Python, Bash, HCL, Go, AWS, Azure, GCP, Docker, Kubernetes, Databases, APIs, Cloud
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Full Stack Developer
Bethesda, Maryland, United States
OnsiteFull Time
Momentum
Momentum: Engineering and technology services for the Department of Defense.
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
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Software Engineer
Annapolis Junction, Maryland, United States
$200k-$225k/yr OnsiteFull Time
Crown Point Technologies
Crown Point Technologies: Provides data engineering and software development for government and commercial clients.
14+ YOEActive TS/SCI with Polygraph; 14+ years software engineering; Bachelor’s in CS/Engineering/Math/Physics; strong Java, Python, JavaScript (React); REST APIs; AWS; Docker/Kubernetes; IaC (Ansible or similar); Agile experience.
Java, Python, JavaScript, React, REST APIs, AWS, Docker, Kubernetes, Ansible, GitHub, GitLab, Jenkins
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Software Engineer- AI
Herndon or Cincinnati or United States or North Carolina or Georgia or Texas or New Jersey or Pennsylvania or Illinois or District of Columbia or Florida or South Carolina or Colorado or Indiana
HybridFull Time
Exostar
Exostar: Cloud platforms for secure collaboration in regulated industries.
2+ YOE2+ years software engineering; proficient in Angular/TypeScript, .NET/C#, Python; cloud-native experience (Azure); able to work in regulated FedRAMP/CMMC environments.
Angular, TypeScript, .NET, C#, Python, Azure Government, Terraform, Bicep, CI/CD, Cloud
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Full-Stack Developer
Reston or Chantilly
OnsiteFull Time
Dark Wolf Solutions
Dark Wolf Solutions: Provides cybersecurity and software development services to defense agencies.
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
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Software Engineer - CTJ - Poly
Reston or Redmond or Annapolis Junction
$101k-$199k/yr OnsiteFull Time
Microsoft
Microsoft: Provides software, cloud computing, and hardware technology products.
2+ YOEBachelor's degree in CS or related field and 2+ years coding in C/C++/C#/Java/JavaScript/Python or equivalent.
C, C++, C#, Java, JavaScript, Python, GenAI, Azure
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2mo
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Solutions Engineer
Washington, District of Columbia, United States
$185k-$220k/yr OnsiteFull Time
Scale AI
Scale AI: Provides training data and evaluation services for AI models.
Strong engineering background; excellent communication; public sector experience; proficient in Python/JavaScript/Typescript/Bash; able to work fast-paced; active US government security clearance; DC-based or willing to relocate; AI/ML background preferred.
Python, JavaScript/TypeScript, Bash
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Software Engineer
Tampa or Fort Belvoir
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Providing technical and engineering services to federal government agencies.
3+ YOEUS citizen; active secret clearance with ability to obtain TS/SCI; bachelor’s in CS/IS or related field with 3–6 years of experience; proficiency in Java/C#/Python/JS/TS; Git; REST/microservices; team collaboration; strong communication.
Java, C#, Python, JavaScript, TypeScript, Git, RESTful APIs, microservices, CI/CD, Docker, Kubernetes, Databases
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Sr. Full Stack Developer I (6440)
Washington, District of Columbia, United States
$133k-$142k/yr HybridFull Time
MetroStar
MetroStar: Provides digital transformation and AI services for government agencies.
5+ YOEActive Secret clearance; Bachelor's in Computer Science or Engineering; 5+ years full stack development; React (TypeScript) and Python (FastAPI); REST APIs; OIDC/JWT; WCAG/508 accessibility; USWDS; DoD/federal experience preferred.
React, TypeScript, FastAPI, Python, ORM, OIDC/JWT, USWDS, CI/CD, REST APIs
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Expert Software Developer
Washington or Sterling
HybridFull Time
Guydo Consulting
Guydo Consulting: Specialized IT consulting and software engineering for government agencies.
2+ YOETop Secret/SCI clearance, Bachelor's in Computer Science, 2+ years software engineering, JS/TS/Node/Angular, SQL/NoSQL, web app skills, full stack development.
JavaScript, TypeScript, Node.js, Angular, SQL, NoSQL, Apache, Tomcat, Nginx, IIS, REST, Kubernetes, Docker, Jira, Confluence, VS Code, Spring, Maven, Python, Oracle, PostgreSQL, MySQL, MongoDB, PowerApps
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Software Engineer
Columbia, Maryland, United States
$120k-$140k/yr OnsiteFull Time
Red Arch Solutions
Red Arch Solutions: Provides IT engineering solutions for the intelligence community.
4+ YOEActive TS clearance; 4+ years IT development with DevSecOps and AWS; bachelor’s or equivalent; 3+ years full stack engineering in AWS; IL6+ AWS environments; automation and security tasks.
Python, AWS, DevSecOps, ML
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Mid-Level Software Engineer
Fairfax or Lexington
$90k-$180k/yr OnsiteFull Time
Riverside Research
Riverside Research: Independent non-profit performing scientific research for national security.
8+ YOESecret clearance; 8-10 years software Eng; ML/AI with Python/Java/C++; ML libraries; cloud; Agile; Git.
Python, Java, C++, TensorFlow, PyTorch, Scikit-learn, Git, AWS, Azure
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Software Engineer (Full-stack Developer) - FULLY CLEARED with POLYGRAPH REQUIRED
Fort Meade or Annapolis Junction or Hanover
$175k-$200k/yr OnsiteFull Time
Constellation Technologies
Constellation Technologies: Provides cyber engineering and systems integration for defense agencies.
8+ YOEUS citizen with TS/SCI clearance and polygraph; 8+ years of direct/relevant experience; bachelor's degree in computer science or related field; proficiency in Python and Java; experience with Jupyter Notebooks, GHOSTMACHINE, and data analytics tools.
Python, Java, Jupyter Notebooks, GHOSTMACHINE, Query Time Analytics, Tableau, Atlassian
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Senior Software Engineer (Order and Delivery) - (10 years exp)
Santa Barbara or Goleta or Arlington or Reston
$180k-$220k/yr OnsiteFull Time
Umbra
Umbra: Operates high-resolution synthetic aperture radar imaging satellites.
10+ YOE10+ years building scalable web services and APIs; strong Python, Node.js, React; CI/CD, AWS, Postgres; security awareness; API and web app development.
Python, Node.js, React, Git, AWS, Terraform, Kubernetes, Docker, CI/CD
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Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
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
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Software Engineer 3
Tampa or Huntsville or Northern VA
OnsiteFull Time
AEVEX Aerospace
AEVEX Aerospace: Provides airborne intelligence, aviation engineering, and remote sensing solutions.
6+ YOE6+ years software development; embedded systems; GPS/IMU data fusion; FPGA experience desired; MS preferred.
C, C++, Python, Visual Studio, Visual Studio Code, Embedded Linux, GPS, GNSS, CAN, SPI, I2C, UART, FPGA
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Software Development Engineer I
Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$37-$59/hr HybridFull Time
DLA Piper
DLA Piper: Global law firm providing comprehensive legal and business services.
1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.
Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript
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AI Staff Engineer (SW Engineer IV+)
Philadelphia or Boston or New York City or Baltimore or Washington D.C. or Charlotte or Raleigh-Durham or Atlanta or Chicago
$170k-$220k/yr HybridFull Time
HealthVerity
HealthVerity: Privacy-protected healthcare data exchange and patient identity platform.
8+ YOE8+ years software engineering; experience with Python/JS/TS; data pipelines; AI/ML production; cloud-native systems (AWS); strong cross-functional collaboration.
Python, JavaScript/TypeScript, AWS, Databricks, Spark, Snowflake, AI/ML
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Knowledge Graph Engineer
Reston or Somerville
$140k-$170k/yr HybridFull Time
Babel Street
Babel Street: AI-powered identity intelligence and risk operations software solutions.
2+ YOE2–5 years software engineering; Python and at least one typed language; graph databases; SQL; cross‑team collaboration
Python, Java, Go, TypeScript, ArangoDB, Neo4j, TigerGraph, JanusGraph, NetworkX, SQL, BigQuery, Cloud Run, GCP
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HiringCafe market data

Python Developer Jobs market signals in Gainesville, 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
3,700+
Hiring companies
790+
Fresh sample
46% new in 30d
Salary visibility
50% show pay

Companies appearing in this market

AmiveroAmtrakASRC FederalConstellation TechnologiesCrown Point TechnologiesDark Wolf SolutionsDLA PiperElder Research

Work location mix in visible results

Onsite: 81Hybrid: 25Remote: 7

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