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Backend Python Developer Jobs in Reston, VA, US

170+ backend python developer jobs from 95 companies hiring in Reston, VA, US.

All jobs in Reston, VA, USBackend Python Developer Jobs in United States
Nearby:Herndon·Dranesville·Great Falls·Wolf Trap·Oak Hill·Sterling·Oakton·Washington·Tysons·Chantilly·Potomac·McLean·Fairfax·North Potomac·Ashburn·Centreville·Arlington·Rockville·Annandale
172 jobs- Reston • 50 miles
1mo
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Backend Developer
Springfield, Virginia, United States
OnsiteFull Time
Trinity Global Consulting
Trinity Global Consulting: Provides professional support services to US government agencies.
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
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1mo
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Backend Software Engineer
Reston, Virginia, United States
RemoteFull Time
Game Plan Tech
Game Plan Tech: Building secure cloud and AI systems for government.
Backend developer skilled in Java or Python, databases (SQL/NoSQL), Git/CI/CD, security, containers (Kubernetes), and cloud platforms (GCP/AWS/Azure).
Java, Python, Git, Kubernetes, Docker, CI/CD, Cloud Platforms, REST API, SQL, NoSQL
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4w
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Backend Developer, Data Platform
Reston, Virginia, United States
$113k-$188k/yr HybridFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOE5+ years backend software engineering; strong Python; PostgreSQL; Elasticsearch; AWS (S3, RDS); TS/SCI clearance with CI polygraph; Bachelor's in CS/Systems Eng or equivalent; strong debugging and CI/CD skills.
Python, PostgreSQL, Elasticsearch, AWS, S3, RDS, Docker, OpenShift, Helm, Gitlab CI, CI/CD
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1mo
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Spatial Front, Inc - Backend Developer
Arlington, Virginia, United States
HybridFull Time
Spatial Front
Spatial Front: IT solutions and mission support for government agencies.
3+ YOEBackend developer with experience in server-side programming, databases, and microservices; US citizen with active Secret clearance preferred.
Java, Python, Node.js, SQL, NoSQL, AWS, Docker, Kubernetes, CI/CD, DevSecOps
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5d
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Java Backend Developer - Contingent
McLean or North America
RemoteFull Time
Aretum
Aretum: Provides technology-enabled mission support services for federal government agencies.
3+ YOEBachelor's degree in computing or related field; 3+ years backend Java experience; Python for backend/script; PostgreSQL; Elasticsearch/OpenSearch; Docker; AWS; GitLab CI/CD; Terraform; Agile/Scrum; strong communication.
Java, Python, PostgreSQL, Elasticsearch, OpenSearch, Docker, AWS, GitLab, Terraform
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2mo
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Senior Back End Developer (TS/SCI)
San Antonio or Fort Meade
OnsiteFull Time
Def-Logix
Def-Logix: Provides cybersecurity and software engineering solutions for government agencies.
10+ YOESenior backend developer with TS/SCI clearance; 10+ yrs software development; 5+ yrs backend web development; Python & PostgreSQL; REST APIs; cloud (AWS/Kubernetes); DoD/DevSecOps experience.
Python, PostgreSQL, REST API, AWS, Kubernetes, RedHat Linux, Jira, Maven, BASH, Spring, Ansible, JUnit5, Nexus Repository
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5d
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Back-End Developer
McLean, Virginia, United States
$87k-$198k/yr HybridFull Time, Part Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years software development experience; Java; Docker; Kubernetes; Kotlin; Python; TS/SCI clearance; Bachelor's degree; willingness to polygraph; Agile experience a plus.
Java, Docker, Kubernetes, Kotlin, Python, Agile
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4w
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SolrCloud Backend Engineer
Rockville, Maryland, United States
$130k-$150k/yr RemoteFull Time
PTFS
PTFS: Enterprise content management and digital archiving for government agencies.
7+ YOE7+ years backend engineer with SolrCloud; Java/Spring experience; REST, Lucene, NLP, ML basics; Linux; DevOps tools.
SolrCloud, Lucene, Spring, Spring Boot, Java, Groovy, Python, XSLT, XML, REST, SolrJ, Prometheus, Grafana, Jenkins, Maven, Ansible, Nexus, NLP, TDD, BDD, Git, GitLab, JMeter
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9h
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Backend Developer (St. Louis, MO / Springfield, VA)
Alexandria or Springfield or St. Louis
$75k-$200k/yr OnsiteFull Time
geocgi
geocgi: Providing specialized geospatial information systems (GIS) and IT services.
3+ YOEBackend service/API development, REST APIs, cloud/on-prem deployments, containerization, and security for geospatial platforms.
Python, JavaScript, Node.js, Java, Docker, Kubernetes, ArcGIS Enterprise, REST APIs, CI/CD, Scripting, Infrastructure as Code
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4w
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Senior Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
Titan Technologies
Titan Technologies: Provides IT solutions and services to government agencies.
10+ YOEDoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Pyth...
Python, PostgreSQL, Docker, Ansible, Terraform, AWS, Kubernetes, OpenStack, Java, Puppet, Chef, Maven, OpenJDK, REST APIs, Git
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6d
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Backend Software Engineer
Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson
OnsiteFull Time
Noetic Strategies
Noetic Strategies: Provides cybersecurity, software development, and IT services to government agencies.
8+ YOEUS citizen; TS/SCI with poly; BS in CS/SE with 8–12 yrs (MS with 6–10); Java or Python; REST APIs; SQL; Linux; ability to work independently.
Java, Python, REST, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure, Agile
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2mo
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Back-End Developer, Senior/Mid- JCC2-JCO
Lackland Air Force Base or Fort Meade
OnsiteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
7+ YOEBachelor's degree; 7-10 years in software development; backend web development; Python and PostgreSQL; RESTful API; DevSecOps; cloud experience.
Python, PostgreSQL, Jira, AWS, Kubernetes, Docker, Java, OpenJDK, Ansible, Packer, Maven, REST API, Red Hat, SQL, CI/CD
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6d
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Back-End Developer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years software development; Java; Docker; TS/SCI clearance; Bachelor's degree.
Java, Docker, Kubernetes, Kotlin, Python
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1w
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Back End Developer
Springfield, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
8+ YOEBachelor's degree in Computer Science or related field with 8+ years of back-end experience; strong proficiency in Python, Java, C#, Ruby, or Node.js; SQL/NoSQL databases; API design (REST/GraphQL); cloud and containers (Docker/Kubernetes); security best practices for classified environments.
Python, Java, C#, Ruby, Node.js, SQL, NoSQL, REST, GraphQL, Docker, Kubernetes, Terraform, Ansible, Kafka
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2mo
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Software Engineer, Backend - AI Practice Team
Houston or Knoxville or Washington
$90k-$150k/yr OnsiteFull Time
American Bureau of Shipping
American Bureau of Shipping: Global maritime classification and technical safety service provider.
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
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1w
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Backend Software Engineer - HYBRID
Annapolis Junction, Maryland, United States
$144k-$147k/yr HybridFull Time
Red Arch Solutions
Red Arch Solutions: Provides IT engineering solutions for the intelligence community.
7+ YOEBachelor's in computer science or related field plus seven years of software engineering experience in similar programs; experience with test procedures, technical documentation, Agile, AWS; proficient with Java, C++, or Python, Git, SQL/PostgreSQL, Jira/Confluence.
Java, C++, Python, Git, PostgreSQL, SQL, Amazon Web Services, Jira, Confluence
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3w
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Backend / Cloud Infrastructure Engineer - Washington D.C
Washington, District of Columbia, United States
$104k-$156k/yr HybridFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
5+ YOEBackend/cloud infrastructure focus with 5+ years in software architecture and enterprise app development; Python experience; GCP expertise; SQL/BigQuery; IoT data pipelines; containerization and CI/CD; security practices.
Google Cloud Platform, PostgreSQL, BigQuery, Docker, Kubernetes, Terraform, Python, Pub/Sub
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4w
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Senior GenAI Backend Platform Developer
Rockville or Jersey City or Denver or San Francisco or New York
HybridFull Time
FINRA
FINRA: Regulates brokerage firms and exchange markets in the United States.
5+ YOESenior GenAI backend developer with 5+ years of experience in cloud-native systems, AWS, CI/CD, and secure software practices.
AWS Bedrock, AWS S3, AWS Fargate, AWS Lambda, AWS Step Functions, Jenkins, Git, Docker, Python, FastAPI
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1mo
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Back End Developer/Engineer (MBI Clearance)
Columbia, Maryland, United States
$120k-$140k/yr HybridMultiple Commitments Available
iCallidus
iCallidus: Provides information technology and cybersecurity services to federal agencies.
7+ YOE7+ years back-end development; proficient in Java, Python, .NET, Node.js; REST/microservices; databases; cloud platforms; secure coding; MB I clearance preferred.
Java, Python, NET, Node.js, PostgreSQL, MySQL, MongoDB, SQL Server, REST, Microservices, AWS, Azure, GCP, OWASP
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1w
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Application Engineer (Backend)
Linthicum Heights, Maryland, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
Backend engineer with TS/SCI with Polygraph, Python, Django/Flask, Docker, MongoDB/MariaDB, REST, microservices; on-site in Linthicum, MD; full-time.
Python, Docker, Django, Flask, MongoDB, MariaDB, REST, JSON, XML, Git, Jira, Confluence, AWS
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1mo
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Back End Software Developer - Web (PHP). Full time.
McLean, Virginia, United States
$25-$65/hr RemoteFull Time, Part Time
USG SaaS
USG SaaS: Develops custom software and cloud systems for government organizations.
3+ YOEThree+ years Node.js experience; JavaScript, web stacks, Express.js, React.js; HTML5/CSS3; Redis; PostgreSQL; Docker/Kubernetes; Bash/Python; strong communication and problem-solving skills.
Node.js, Express.js, React.js, HTML5, CSS3, Redis, PostgreSQL, Docker, Kubernetes, Bash, Python
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3w
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Back End Developer (7+ Yrs and Clearance Required) – San Antonio, TX
San Antonio or Fort Meade
HybridFull Time
CNF Technologies
CNF Technologies: Cybersecurity firm providing R&D and engineering for defense clients.
7+ YOE7 years of software development experience; AWS, Kubernetes, RESTful APIs; Jenkins/GitLab; TS/SCI clearance; US citizen.
AWS, Kubernetes, Red Hat Linux, Jenkins, GitLab, Docker, OpenJDK, Ansible, Packer, Maven, Java, Python, PostgreSQL, RDS, Exodus, Luna
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1w
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Python Engineer, Agentic AI
Washington or Philadelphia
$121k-$181k/yr HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
2+ YOEProficient in Python with backend focus, testing, and Agile collaboration; experience with AI agent workflows and RESTful services.
Python, Git, CI/CD, pytest, REST APIs, FastAPI, Docker, Asyncio
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6d
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Senior Lead Software Engineer, Backend (Remote-Eligible)
McLean or Remote
$209k-$239k/yr RemoteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOEBachelor’s degree; 6+ years software engineering; 1+ year cloud experience (AWS/Azure/GCP).
Java, Python, SQL, Node.js, Go, Scala, RDBMS, NoSQL, Docker, Kubernetes, AWS, GCP, Azure
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1mo
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Senior Software Engineer - Backend
Annapolis Junction, Maryland, United States
$200k-$250k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
20+ YOEBachelor's in engineering or computer science and 20+ years of related experience; active TS/SCI clearance with polygraph; strong backend software development skills; Agile experience; AWS familiarity.
Git, Java, C++, Python, PostgreSQL, SQL, Jira, Confluence, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
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1mo
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Senior Software Engineer - Backend
Annapolis Junction, Maryland, United States
$200k-$250k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
20+ YOESenior backend software engineer with leadership, design, and coding responsibilities; TS/SCI with polygraph preferred; 20+ years of experience; Bachelor's degree.
AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack, Git, Java, C++, Python, Postgres, SQL, Jira, Confluence
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3w
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Software Development Engineer II- Back End
Vienna, Virginia, United States
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend software engineering; Python/Node/Java; REST APIs; ArcGIS Enterprise; containers (Docker/Kubernetes); security clearance; BS in CS/Math/GIS/STEM
Python, JavaScript/Node.js, Java, Docker, Kubernetes, ArcGIS Enterprise, REST APIs, Geoprocessing
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3w
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Software Engineer III - Back End (Remote)
McLean, Virginia, United States
$120k-$132k/yr RemoteFull Time
Ad Hoc
Ad Hoc: Providing user-centered digital services to federal government agencies.
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
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2mo
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Lead Software Engineer (Back-End)
Germantown, Maryland, United States
$120k-$170k/yr HybridFull Time
DataLab USA
DataLab USA: Provides database marketing and predictive analytics for direct marketers.
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
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1w
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SOFTWARE ENGINEER - Back End/AWS - 7+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT
Annapolis Junction, Maryland, United States
$160k-$165k/yr HybridFull Time
Halogen Engineering Group
Halogen Engineering Group: Provides specialized engineering, cybersecurity, and program management services.
7+ YOE7+ years of software engineering experience with back-end/AWS, Agile, QA, and documentation credentials.
AWS, Git, Java, C++, Python, PostgreSQL, SQL, Jira, Confluence
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1mo
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Senior Software Engineer / Back-End Developer
Arlington or Woburn
$134k-$184k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
5+ YOE5+ years of enterprise back-end software experience; active Secret security clearance with Top Secret eligibility; degree in software engineering, computer engineering, or computer science; mobile OS knowledge; OO programming, Linux, and shell scripting; design of platform components.
Linux, Shell scripting, CUDA, AWS, Python, Java, C++, Machine Learning, ETL, Geospatial, SQL
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2w
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Jr Full Stack Developer (Python/React.js)
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
Inadev
Inadev: Provides digital engineering and AI solutions to government and businesses.
2+ YOEBachelor's in CS or Engineering; 2+ years Python backend and 2+ years React frontend; experience with AI-assisted development tools; microservices; Agile with JIRA; strong communication.
Python, React.js, GitHub Copilot, REST, GraphQL, AWS, Docker, Kubernetes, JIRA, PostgreSQL, MongoDB, DynamoDB, S3, EC2, Lambda, RDS
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3w
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SharePoint Engineer (Back End) - TS/SCI
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years of related experience; active TS/SCI clearance with CI poly; DoD 8570 IAT II certs; Bachelor’s degree; experience with SharePoint, security controls, PowerApps, Power Automate, and back-end languages.
SharePoint, PowerApps, Power Automate, Azure, Microsoft 365, Python, JavaScript, RBAC, MFA, DLP
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1mo
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Software Engineer Level 4
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Backend developer with data engineering and API development; Python, FastAPI, PostgreSQL, Elasticsearch; TS/SCI with CI Poly.
Python, FastAPI, PostgreSQL, Elasticsearch
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1mo
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Software Development Engineer
Tysons, Virginia, United States
OnsiteFull Time
Meibel
Meibel: Provides a runtime platform for managing and scaling explainable AI.
3+ YOE3+ years backend development; proficient in Node.js, Go, or Python; Docker and Kubernetes; cloud platforms AWS/GCP/Azure; RESTful APIs; PostgreSQL/MongoDB; CI/CD; backend design, security, and performance.
Node.js, Go, Python, Docker, Kubernetes, PostgreSQL, MongoDB, AWS, GCP, Azure
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1mo
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Software Developer – Mid (Team 04)
Washington, District of Columbia, United States
$135k-$150k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
5+ YOETop-Secret clearance, 5+ years of software development experience, Bachelor's degree or equivalent, strong backend development in Java/JavaScript/Go/Python/.NET, experience with frameworks and agile development.
Java, JavaScript, Go, Python, .NET, Spring, Nodejs, NestJS, Gin, Hibernate, Struts, Git, CI/CD, AWS, Jira, Confluence, Splunk, SAFe
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2w
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Ardent Principles
Ardent Principles: Provides specialized technology and program management services to government agencies.
Active TS/SCI with Full Scope Polygraph; onsite in Chantilly, VA; backend software development with Java, Python, RESTful APIs; AWS; Linux (CentOS); Solr/Elastic; SPARC/PySpark; middleware and backend design.
Java, Python, JavaScript, Bash, Spring Boot, RESTful APIs, Linux (CentOS), AWS, Solr, Elastic, SPARC, PySpark, JIRA, GITHUB
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3w
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Staff Software Development Engineer - Person API
Mountain View or McLean
$218k-$260k/yr OnsiteFull Time
ID.me
ID.me: Provides secure digital identity verification and authentication services.
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
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Senior Full Stack Engineer / Software Developer
McLean, Virginia, United States
$112k-$222k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOE5-10+ years web app development; React/TypeScript, Python backend, SQL/NoSQL; mentoring experience; TS/SCI with Poly clearance.
React, TypeScript, Python, SQL, NoSQL, AWS, CI/CD, DevOps, Testing
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1w
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Full Stack AI Developer
Arlington, Virginia, United States
$95k-$115k/yr HybridFull Time
Enterprise Knowledge
Enterprise Knowledge: Strategic consulting for enterprise knowledge and information management.
1+ YOEFull Stack AI Developer with 1-3 years software development, backend Python and frontend React/JS, AI/NLP, RAG pipelines, SQL, Git, Agile.
Python, Java, JavaScript, TypeScript, React, SQL, Git, Docker, AWS, Azure, GCP, LangChain
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HiringCafe market data

Backend Python Developer Jobs market signals in Reston, 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
170+
Hiring companies
95
Fresh sample
57% new in 30d
Salary visibility
65% show pay

Companies appearing in this market

Booz Allen HamiltonAmentumBase-2 SolutionsCapital OneAretumBoeing Intelligence & AnalyticsCACIComcast

Work location mix in visible results

Onsite: 44Hybrid: 23Remote: 10

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