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Python Software Developer Jobs in Reston, VA, US
2,300+ python software developer jobs from 510+ companies hiring in Reston, VA, US.
2mo
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AI Software Engineer - Remote
Reston, Virginia, United States
$140k-$170k/yr RemoteFull Time
4+ YOE4+ years software engineering; 2+ years AI/ML apps; Python/TypeScript/Go; APIs, microservices; cloud platforms; secure coding; regulatory compliance (CMMC/NIST/DFARS); US Citizenship with Secret clearance.
Python, TypeScript, Go, APIs, Microservices, Kubernetes, Docker, CI/CD, Azure, AWS, GCP, LLM APIs
1mo
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Security Software Engineer, Emerging On-prem AI infrastructure
Reston, Virginia, United States
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor’s degree or equivalent; 2+ yrs in software development (C/C++/Python); 2+ yrs in large-scale infra/distributed systems; 2+ yrs testing/launching software; TS/SCI clearance.
C++, C, Python, Security, Operating Systems, Networking
1mo
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Software Engineer - CTJ - Poly
Reston or Redmond or Annapolis Junction
$101k-$199k/yr OnsiteFull Time
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
1mo
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Enterprise Software Developer
Baltimore, Maryland, United States
$110k-$130k/yr HybridFull Time
5+ YOEBachelor's degree or related experience; 5+ years in software engineering; Agile; US citizen or permanent resident; hybrid in-office work; cloud, C#, .NET, SQL, JavaScript; AI enablement roadmap.
Azure, Azure managed services, LLM tools, C#/.NET Core, JavaScript SPA frameworks, SQL, ETL tools, AWS, SSIS, Informatica, Boomi, Mulesoft, Glue, Talend, Angular, Salesforce, Snowflake, Workday, Tableau, Qlik, Python
1w
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RF Software Engineer, Senior - 1647
Reston, Virginia, United States
RemoteFull Time
5+ YOESenior RF software engineer with 5-7 years experience, BS or higher, Python, Linux, databases, CI/CD, and remote work capability.
Python, NumPy, Pandas, scikit-learn, MySQL, PostgreSQL, SQLite, FlatBuffers, Protocol Buffers, Linux, GitLab, React, D3
1mo
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Mid Level Forward Deployed Software Engineer
Arlington, Virginia, United States
RemoteFull Time
3+ YOE3+ years software engineering; experience with Python, TypeScript, or Java in cloud-based data platforms; Palantir Foundry experience; defense/government environment familiarity; ability to deliver production-ready features.
Python, TypeScript, Java, Palantir Foundry, Foundry Workshop/Slate, Ontology
3mo
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Software Engineer, DevSecOps
Ashburn, Virginia, United States
$130k-$180k/yr OnsiteFull Time
12+ YOE12+ years in software engineering with 3+ years in architecture/leadership; strong backend (Java/Python/Node.js) and frontend (React/Next.js); distributed systems; Docker/Kubernetes; AWS/GCP; CI/CD; DevSecOps; mentoring.
Docker, Kubernetes, AWS, GCP, Terraform, Pulumi, CloudFormation, GitHub Actions, GitLab, Junit, PyTest, Jest
1mo
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Senior Software Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
11+ YOESenior software engineer with strong experience in Jupyter Notebooks, Java MapReduce, Python PySpark; ML/analytics focus; experience with Jira/Confluence/GitLab; TS/SCI with Polygraph clearance; Bachelor's +11 years or equivalent.
Jupyter, Java MapReduce, Python PySpark, Confluence, Jira, GitLab
2mo
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Software Developer 2
Fort Meade, Maryland, United States
$160k-$190k/yr OnsiteFull Time
14+ YOEBachelor's or higher; active TS/SCI with FSP within 7 years; 14 years experience with degree or 18 years without; virtualization, Java/Kotlin, REST, Spring, Kubernetes; Python scripting; Atlassian, Git; IntelliJ/Eclipse; full-stack capabilities.
Python, Kotlin, Spring, Spring Boot, Kubernetes, Java, REST, Git, IntelliJ, Eclipse, Virtualization
1w
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Cleared AI/ML Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOEActive TS/SCI clearance with Full Scope Polygraph; 12+ years software engineering in ML/AI; degree in CS/AI or related field; strong DL framework experience; proficient in Python/C++/Java; cloud ML services; CI/CD practices; strong problem-solving and collaboration.
TensorFlow, PyTorch, MXNet, Python, C++, Java, AWS, GCP, CI/CD
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
1w
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Software Developer SME (TS/SCI with Poly Required)
Dulles, Virginia, United States
$164k-$275k/yr OnsiteFull Time
10+ YOEFull stack development with Python/PostgreSQL/AWS; frontend HTML/CSS/JavaScript; UI/UX practices; Git; 10+ years of experience.
Python, PostgreSQL, AWS, SQS, HTML, CSS, JavaScript, Git, Docker, Kubernetes
1mo
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649 Software Engineer 2
Annapolis Junction, Maryland, United States
$175k-$196k/yr OnsiteFull Time
8+ YOEEight years of SWE experience; degree in CS or related field; Python experience; front-end/UI experience; TS/SCI with polygraph; US citizenship.
Python, JavaScript, React
1w
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Software Engineer Level 0
Annapolis Junction, Maryland, United States
$89k-$140k/yr OnsiteFull Time
TS/SCI with poly required; strong Java and Python; experience with GitLab/Jira; CI/CD; Agile methods; knowledge of Docker/Kubernetes; RESTful services.
Java, Java SE, Java 8, Java 17, Python, Git, Shell/Bash, Nexus, Maven, JUnit, Eclipse IDE, VS Code, JavaScript/HTML5/CSS3, Jira, GitLab, Docker, Podman, Kubernetes, OpenShift, Spring Boot
2mo
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Cleared Software Engineer - Microservices
Annapolis Junction, Maryland, United States
$185k-$230k/yr OnsiteFull Time
12+ YOE12+ years of professional experience or 10+ years with a related Master’s degree; strong Java Spring Boot, AWS, Python, CI/CD, and Agile experience.
Java, Spring Boot, Python, AWS, Lambda, Step Functions, EC2, S3, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, MongoDB, DynamoDB, Cypress, Cucumber, OSS, CloudWatch
2w
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Senior Software Engineer
Lanham, Maryland, United States
$120k-$130k/yr RemoteFull Time
5+ YOE5+ years of software engineering; strong C#/.NET, Angular; SQL, Snowflake; Agile; effective communicator.
Angular, C#/.NET, Python, Snowflake, SQL, Azure, AWS, Docker, Kubernetes, JIRA
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
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
1w
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Software Engineer (API)
Linthicum Heights, Maryland, United States
HybridFull Time
7+ YOESeven years of SWE experience; BS in Computer Science or related field; Python; Django or Flask; MongoDB/MariaDB; REST endpoints; microservices.
Python, Django, Flask, MongoDB, MariaDB, REST, JSON, Docker, AWS, Jira, Confluence, Git
1mo
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IT Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
Requires C# or similar OOP language, SQL, REST APIs, Git/Azure DevOps, CI/CD, Python, PowerShell, Linux/Windows, debugging, problem solving.
C#, SQL, REST, Git, Azure DevOps, CI/CD, Python, PowerShell, Linux, Windows Server, Splunk, Perl, Consul, Ansible, Docker, OpenShift, Angular, NiFi
3w
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AI Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOETS/SCI with polygraph; BS in CS or related STEM with 5 years experience; Python; AI/ML tooling; Agile tools; security clearances.
Python, LLM, RAG, Git, Jira, Confluence, Rust, Claude Code, Codex
1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Java, Spring Boot, AWS backend; DevSecOps; Scrum; REST APIs; EC2, Git, Jenkins, CloudFormation; XML/JSON/YAML; team collaboration.
Java, Spring, AWS, Git, Jenkins, Rundeck, CloudFormation, REST API, Docker, Kubernetes, Python, Elasticsearch, Kibana, XML, JSON, YAML, IAM, Zero Trust, EC2
5d
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Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
7+ YOESeven years of SWE experience; Bachelor's in computer science or related field; four additional SWE years with similar processes may substitute for degree.
Robot Framework, React, Java, C++, Python
2mo
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Software Engineer Level 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOETS/SCI clearance with polygraph; 20 years SWE in programs/contracts; BS CS or related, 4+ years SWE subspecialty; Go/Python; Kubernetes; GitOps; Terraform; cloud automation.
Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible
2w
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Software Engineer SME Fellow
Suitland-Silver Hill, Maryland, United States
$214k-$294k/yr OnsiteFull Time
15+ YOEBachelor's in aerospace or related field; 15+ years aerospace engineering; strong software and systems engineering; proficiency in C/C++, Rust, Python; AI/LLMs; excellent communication.
C, C++, Rust, Python, Google Apps Script, Linux, AI/LLMs
1w
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103Q - Lead Software Development Engineer - Flex Location
Parsippany or Atlanta or Mahwah or Louisville or Timonium
$121k-$225k/yr HybridFull Time
Lead AI engineer with hands-on software development, experience with Generative AI, GitHub Copilot, and DX tooling; strong Python/Java/C# background; familiar with large-scale enterprise environments.
Python, Java, C#, GitHub Copilot, Microsoft Copilot Studio, Power Platform, LLMs, Embeddings, RAG
2w
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Scientific Software Engineer
Lanham, Maryland, United States
$90k-$115k/yr OnsiteFull Time
6+ YOEBachelor's degree in Computer Science, Physical Science, Engineering, or Mathematics with 6+ years of relevant experience; strong Python; cloud experience; Unix/Linux; Git.
Python, AWS, Unix/Linux, Git, Bash
3w
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Software Development Engineer II- Back End
Vienna, Virginia, United States
$97k-$162k/yr OnsiteFull Time
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
1mo
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Principal Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
Top Secret/SCI clearance required; Bachelor's in CS/Engineering or 4 years of related experience; Go/Python; Docker/Kubernetes; secure DevSecOps; US citizenship.
Go, Python, Docker, Podman, Kubernetes, gRPC, Git, GitLab, Linux, CI/CD
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
2mo
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Senior Software Engineer
Herndon, Virginia, United States
RemoteFull Time
6+ YOESenior software engineer with 6+ years in C/C++, Linux, REST/GraphQL, and modern web tech; strong problem solving and collaboration.
C++, Go, GraphQL, Vue, Node.js, WebSockets, REST, Docker, Kubernetes, PostgreSQL, MySQL, MariaDB, Python, Perl, Lua, GCC, cmake, bash, Jira, Git
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
3mo
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Principal Software Engineer
Arlington, Virginia, United States
$179k-$269k/yr HybridFull Time
10+ YOE10+ years in software engineering; 5+ years in leadership; distributed systems expertise; multiple languages; secure systems knowledge; TS/SCI eligibility.
C/C++, Go, Rust, Python, Java, Git, Jira, libp2p, PostgreSQL, SQLite, Kafka, NATS
6d
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Backend Software Engineer
Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson
OnsiteFull Time
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
3d
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Cleared Software Engineer
Chantilly, Virginia, United States
$69k-$116k/yr OnsiteFull Time
0+ YOEBachelor's in CS/IS or related field; strong programming knowledge; experience with Java, Scala, Python, Golang; AWS, Kubernetes, Docker; CI/CD tooling; DoD/Intelligence Community exposure preferred.
Java, Scala, Python, Golang, Kubernetes, Docker, AWS, Gitlab CI/CD, ArgoCD, CircleCI, Jenkins, Kafka, NiFi
1mo
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Senior Software Engineer
Vienna, Virginia, United States
$120k-$140k/yr HybridFull Time
SteerBridge: Provides technology and digital transformation services for government agencies.
8+ YOESenior Software Engineer with 8+ years full-stack experience; US citizen; active Secret clearance; React/TypeScript/Node.js; VA systems experience preferred.
React, TypeScript, Node.js, JavaScript, PostgreSQL, MongoDB, Express.js, AWS, Terraform, CloudFormation, Docker, REST, SOAP, Elasticsearch, Python, CI/CD, Git
2w
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Junior Software Engineer
Fort Belvoir, Virginia, United States
OnsiteFull Time
Bachelor's in CS/Engineering or related field; US citizenship and ability to obtain/maintain a secret clearance; Java, C++, or Python; knowledge of SDLC; strong problem-solving and teamwork; up to 25% travel.
Java, C++, Python
3w
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Software Engineer III/IV
Hunt Valley, Maryland, United States
$111k-$210k/yr OnsiteFull Time
5+ YOEBachelor’s degree in Computer Science or Computer Engineering, 5+ years (Level III) or 10+ years (Level IV) of experience; U.S. Secret clearance eligibility; strong software engineering practices; leadership and communication skills.
C#, C++, Java, Python, Embedded systems, GPUs, FPGA, Spectrum analyzers, Oscilloscopes
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
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)
1w
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SOFTWARE TOOL ENGINEER LEVEL 2
Fort Meade, Maryland, United States
OnsiteFull Time
14+ YOETS/SCI with poly, IAT Level 1, DNS/DHCP/IPAM (DDI); Infoblox; IPv4/IPv6; scripting (Perl, Python); Ansible; 14 yrs software/systems experience; 8 yrs Tools Engineer experience.
Infoblox DDI, DNS, DHCP, IPAM, Load Balancing (F5), Python, Perl, Ansible
HiringCafe market data
Python Software 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
2,300+
Hiring companies
510+
Fresh sample
57% new in 30d
Salary visibility
52% show pay
Companies appearing in this market
ARSIEMASRC FederalBoeingBridge CoreEnvision Innovative SolutionsEOA TechnologiesEsriGCI
Work location mix in visible results
Onsite: 82Hybrid: 9Remote: 8