82 software engineer iii jobs at 42 companies in Dumfries, VA
2mo
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Software Engineer III
Reston or Somerville
$110k-$135k/yr HybridFull Time
5+ YOESenior Python engineer for large-scale web scraping with anti-bot evasion, data extraction, and SQL data management.
Python, Scrapy, Playwright, Selenium, Puppeteer, SQL, PostgreSQL, MySQL, Cloudflare, Akamai, PerimeterX
3w
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
1w
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Software Engineer III
Reston or Chandler
$100k-$130k/yr HybridFull Time
5+ YOEBachelor's in CS or engineering,5+ years software development experience,proficiency in C/C++/Python/Java,Git,Agile experience,ability to obtain/hold Secret clearance.
C, C++, Python, Java, Git, Linux, shell scripting, Docker, Kubernetes, Podman, GitLab, Artifactory, PostgreSQL, MongoDB, AWS, Jira, Confluence, Atlassian
2w
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Software Engineer III
Fort Meade, Maryland, United States
$190k-$205k/yr OnsiteFull Time
8+ YOE8+ years cloud-native software engineering with Go/Python, Kubernetes and GitOps expertise; experience with Terraform/Ansible, event-driven systems (Kafka); mentorship and architecture leadership; TS/SCI with FSP required.
Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible, ArgoCD, Fleet, TypeScript, OpenShift, Rancher, Istio, Linkerd, Prometheus, Grafana, OpenTelemetry, AWS GovCloud, cloud-init, Git, DISA STIGs
1w
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Software Engineer III
Washington, District of Columbia, United States
OnsiteFull Time
4+ YOEEligible for DoD SECRET clearance, 4+ years software/computer engineering experience, BS in a quantitative field, familiarity with C/C++,Java,Python, EM/DevOps methodologies, naval/unmanned systems experience, testing and debugging skills.
C, C++, Java, Python, DEVOPS/DEVSECOPS, Agile
1mo
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Software Engineer III
Annapolis Junction, Maryland, United States
$215k-$291k/yr OnsiteFull Time
10+ YOETop Secret/SCI with polygraph required; US citizenship required; 10+ years related software engineering experience; Bachelor’s in Computer Science (or 4 years additional SWE experience); skills in computer/system security and HTML, CSS, JavaScript.
HTML, CSS, JavaScript, ITOM, ITSM, HRSD, CSM, Service Portal, Free and Open Source Software (FOSS), GOTS, COTS
2mo
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Software Engineer III
Washington, District of Columbia, United States
$140k-$192k/yr OnsiteFull Time
5+ YOESECRET security clearance; mid to senior-level software development experience; multiple degree paths with substantial work experience.
5d
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Software Engineer III
Chantilly, Virginia, United States
$121k-$189k/yr OnsiteFull Time
8+ YOEActive Top Secret clearance with SCI eligibility and CI polygraph eligibility, US citizenship, minimum 8 years software development experience, proficiency in Python, software architecture, OOD, Git, and unit testing; experience in secure government environments preferred.
Python, Git, Apache Nifi, Cribl, Terraform, GraphQL, Angular, React, Svelte, MySQL, PostgreSQL, Microsoft SQL, SAFe
1w
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Software Developer III
Arlington, Virginia, United States
$105k-$160k/yr HybridFull Time
2+ YOE2+ years software development experience, PeopleSoft/PeopleTools and SQL knowledge, military pay experience preferred, Secret clearance and U.S. citizenship required, strong communication skills.
PeopleSoft, PeopleTools, SQL, SAFe
4d
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Software Developer III
Dahlgren, Virginia, United States
$110k-$165k/yr OnsiteFull Time
10+ YOE10+ years software development experience, Bachelor’s in STEM, active Interim Secret/Secret clearance required, strong Java/JavaFX skills, Git/GitLab, CI/CD and DevSecOps familiarity.
Java, JavaFX, Guice, Git, GitLab, SonarQube, VMWare Workstation, Antifactory, Nexus, Gradle, JIRA, Confluence
2mo
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Software Engineer III
Tysons Corner, Virginia, United States
$138k-$164k/yr OnsiteFull Time
7+ YOEBachelor's degree in engineering,7+ years software engineering experience,Secret clearance,biometrics and Android experience,knowledge of information assurance/encryption,experience with agile and DevOps/DevSecOps.
Android, DEVOPS/DEVSECOPS
4d
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Software Engineer III, Front End
McLean, Virginia, United States
$100k-$125k/yr RemoteFull Time
5+ YOE5+ years software engineering experience (or equivalent), expertise in Angular/TypeScript/JavaScript/HTML/CSS, UI testing, accessibility (WCAG 2.1 AA), mentoring, and federal suitability/background investigation.
Angular, HTML5, CSS3, JavaScript, TypeScript, Figma, Selenium, Cypress, Playwright, Git, GitLab, CI/CD, AWS, Python
3w
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Software Engineer III
Bethesda, Maryland, United States
$112k-$176k/yr HybridFull Time
3+ YOE3+ years building production web applications; proficiency in backend (Python, Node.js) or frontend (React, Angular); experience with MySQL, MongoDB, DynamoDB, Elasticsearch/Solr; TypeScript and JavaScript skills.
Python, Node.js, React, Angular, MySQL, MongoDB, DynamoDB, Elasticsearch, Solr, JavaScript, TypeScript
3w
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Software Engineer III
Arlington or Louisville or Tampa
$93k-$140k/yr HybridFull Time
3+ YOE3+ years application programming across front-end, server-side, and database; experience with full SDLC, Agile, CI/CD, AWS services, microservices, containers, and AI/LLM integrations; BS in CS preferred.
AWS Lambda, Amazon API Gateway, Amazon DynamoDB, Node.js, Python, Java, React, GitLab Duo, GitHub Copilot, Cursor IDE
1mo
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(USA) Software Engineer III, Information Security
Herndon or Bentonville
$90k-$216k/yr OnsiteFull Time
3+ YOE3–5 years software engineering experience; expertise in certificate lifecycle management, PKI, TLS; proficiency in Java, Python, or Go; familiarity with observability, cloud (GCP/Azure), and infrastructure-focused engineering.
Java, Python, Go, GCP, Azure, Subversion, Git, Librarian, Oracle, DB2, Microsoft SQL Server, SQL, SAP, Microsoft PowerShell, Cobol, Rexx, .NET
2mo
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Civil Engineer III
Washington, District of Columbia, United States
$95k-$110k/yr HybridFull Time
5+ YOEBachelor's in Civil Engineering; PE license preferred; 5+ years land development experience; strong design software knowledge.
Civil3D, AutoCAD, HEC-RAS, StormCAD, PCSWMM, HEC-HMS, WSPG W, CIVILD, AES, CLOMR/LOMR, Microsoft Office Suite
2mo
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Computer Engineer III
Washington, District of Columbia, United States
OnsiteFull Time
10+ YOEBachelor's in CS/Cybersecurity/Network Security/IT/EE/Math; 10+ yrs in computer design, software or security; Navy program experience; cybersecurity engineering background.
RMF, NIST, DoD 8500 series, DoD 8570 requirements, NAVSEA Enclave policy
3w
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Senior Software Development Engineer III
Washington, District of Columbia, United States
OnsiteFull Time
7+ YOE7+ years software engineering experience; BS in CS or related (MS preferred); expertise with Python, Azure cloud services, CI/CD, IaC, containers, distributed systems, LLM-based AI apps; public trust eligibility required.
Python, Microsoft Azure, Azure Functions, Azure API Management, Azure Container Apps, Azure OpenAI Service, Terraform, Bicep, Docker, Kubernetes, Model Context Protocol (MCP), Microsoft Entra ID
1mo
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Software Engineer III - Quality & Test
Greenbelt or United States
RemoteFull Time
6+ YOEBachelor's degree in a technical field, 6+ years experience, expertise in software QA, automated testing, V&V, test strategy development, ISTQB CTAL or equivalent, experience with Jira, and ability to obtain a security clearance.
Jira
1mo
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Software Engineer III (C++ Engineer)
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS/CE, 5+ years relevant experience, strong C++ and multi-threading skills, Linux/Windows experience, Azure DevOps/Jira/Git/Docker familiarity, eligible for U.S. Top Secret clearance.
C++, C#, Java, JavaScript, HTML, Python, Linux, Windows, Azure DevOps, Jira, Git, Docker, CI/CD
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