43 software engineer i jobs at 29 companies in Round Hill, VA
3mo
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Software Engineer I
Silver Spring, Maryland, United States
$83k-$108k/yr OnsiteFull Time
0+ YOEEntry-level software engineer with Bachelor's or Master’s in CS/EE or similar; proficient in C/C++ or Java; interest in Navy AEGIS and defense tech; ability to obtain DoD clearance; US citizenship.
C/C++, Java, Qt, Microsoft Visual Studio, Windows, Linux
1mo
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Software Engineer I - Ground Software
Greenwood Village or Austin or Laurel
$70k-$125k/yr HybridFull Time
0+ YOEEarly‑career full‑stack engineer; 0–1 years experience; bachelor's (or pursuing) in CS or related; foundational React/Angular knowledge; familiarity with TypeScript, C#, REST, Git, SQL, front-end tools; ability to obtain security clearance.
React, TypeScript, C#, .NET, Docker, Kafka, REST, Yarn, Babel, Material-UI, Git, SQL, TanStack Query
1d
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Software Engineer I (Onsite)
Fulton, Maryland, United States
$63k-$120k/yr OnsiteFull Time
Bachelor's degree in STEM, multithreaded systems knowledge, and Java or C++ development experience. Secret clearance and U.S. citizenship are required; software development tools and full lifecycle experience preferred.
Java, C++, Maven, Apache Ant, Jenkins
4d
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Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$48k-$56k/yr OnsiteFull Time
1+ YOEBachelor's degree or equivalent experience; 1–2 years of web/application development preferred; HTML, CSS, JavaScript, React, APIs, ColdFusion, MySQL, and analytical skills.
ColdFusion, React, HTML5, CSS3, JavaScript, Bootstrap, jQuery, MySQL, XML, JSON, CSV, AWS, Microsoft Azure, Git, Jira, APIs, webhooks
6d
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Software Engineer Level I or II, Mission Systems Division
Blacksburg or Washington
$70k/yr OnsiteFull Time
Bachelor's or master's degree in computer science, engineering, or related field; software development proficiency, hardware-software integration experience, teamwork ability, U.S. citizenship, and ability to obtain and maintain security clearance.
CUDA, TensorFlow, PyTorch, Keras
12h
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Software Test Engineer I
Rockville, Maryland, United States
RemoteFull Time
3+ YOERequires 3+ years of software testing or QA experience, test planning and automation, web application SDLC testing, JIRA, Agile/Scrum, Section 508, Microsoft Office, and strong analytical and communication skills.
JIRA, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
1d
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
2w
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Software Engineer I- CoStar Suite- Arlington, VA
Arlington, Virginia, United States
$103k-$154k/yr HybridFull Time
2+ YOEBachelor's degree required; 2+ years production development; experience with React, Vue, TypeScript, NodeJS, C#, .NET, OpenSearch, Kafka, SQL/NoSQL, AWS; Agile and testing experience; familiarity leveraging AI.
React, Vue, TypeScript, NodeJS, C#, .NET, OpenSearch, Kafka, SQL, NoSQL, AWS
2w
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Software Engineer I- CoStar Suite- Arlington, VA
Arlington, Virginia, United States
$103k-$154k/yr HybridFull Time
2+ YOEBachelor's degree, 2+ years production development, experience with React/Vue/TypeScript/NodeJS/C#/ .Net/OpenSearch/Kafka/SQL/NoSQL and cloud (AWS), Agile and CI/CD practices, testing, and AI; strong communication and product focus.
React, Vue, TypeScript, NodeJS, C#, .Net, OpenSearch, Kafka, SQL, NoSQL, AWS
2mo
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Research Engineer I
Arlington, Virginia, United States
$90k-$105k/yr OnsiteFull Time
0+ YOEMaster's degree; <1 year experience; TS/SCI eligibility; strong programming and Linux/Networking skills.
Python, C++, Golang, Linux, SDN, Ansible, Bash, Nagios, Prometheus, SNMP, iptables, NFS, TensorFlow, PyTorch, Docker
1mo
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Software Developer
McLean, Virginia, United States
$138k-$164k/yr OnsiteFull Time
Bachelor's in computer science or IT, IAT I certification (A+ CE, CCNA-Security, CND, Network+ CE, or SSCP), experience with Interrogator/CSM/RMF Writer, proficiency in Python, PHP, JavaScript, C/C++, Java, TS/SCI clearance.
RHEL, Interrogator, CSSP Subscriber Manager (CSM), RMF Writer, Python, PHP, JavaScript, C/C++, Java
4d
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Civil Engineer I
Manassas, Virginia, United States
$63k-$85k/yr HybridFull Time
Bachelor's degree in civil or related engineering required. Entry-level role requiring civil design software proficiency, construction plan reading, communication, data analysis, and ability to coordinate multiple projects.
Civil3D, AutoCAD, AES, CIVILD, WSPGW, PCSWMM, StormCAD, HEC-HMS, HEC-RAS, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Project, Employee Assistance Program (EAP)
1mo
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Application Developer I
Rockville, Maryland, United States
$65k-$82k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent experience, 2+ years application/software development, experience with Java, JavaScript, HTML, CSS, Standard SQL, Python, ML frameworks and prompt engineering; Google Suite and Microsoft Office proficiency; grocery retail experience preferred.
Java, JavaScript, HTML, CSS, Standard SQL, Python, Machine Learning frameworks, prompt engineering, Google Suite, Microsoft Office, Mac OS, Windows OS
1mo
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Application Developer I
Rockville, Maryland, United States
$65k-$82k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent experience, 2+ years application/software development, proficiency in Java, JavaScript, HTML, CSS, Standard SQL, Python, ML frameworks and prompt engineering; experience with Google Suite, Microsoft Office, Mac OS, Windows OS; grocery retail experience preferred; strong communication and prioritization skills.
Java, JavaScript, HTML, CSS, Standard SQL, Python, Machine Learning frameworks, prompt engineering, Google Suite, Microsoft Office, Mac OS, Windows OS, Point of Sale (POS)
2mo
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Test Support Engineer I
Washington, District of Columbia, United States
$83k-$121k/yr OnsiteFull Time
Bachelor's degree; SECRET clearance; entry level; electrical and software system knowledge.
1mo
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Development Engineer I
Atlanta or Silver Spring
$61k-$112k/yr HybridFull Time
Software development experience with Node.js or Python, Git and CI/CD, cloud (AWS) and containerization (Docker), RESTful API and JSON experience, SQL/NoSQL familiarity, debugging/troubleshooting, ability to work 24x7 production shifts and on-call.
JavaScript, Node.js, Python, Git, CI/CD, GitOps, AWS, Docker, vCenter, RESTful APIs, JSON, SQL, NoSQL, RabbitMQ, Jira, Confluence, CRM
4w
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Developer I
Arlington, Virginia, United States
OnsiteFull Time
5+ YOEActive Secret clearance,5+ years with enterprise platforms (Salesforce,PeopleSoft,LMS),familiarity with DoD RMF/ATO and STIG/IAVA processes,bachelor's in CS or related required.
Salesforce, PeopleSoft, Learning Management Systems (LMS), Risk Management Framework (RMF), Security Technical Implementation Guide (STIG), Information Assurance Vulnerability Alerts (IAVA)
2mo
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Sr. AI Engineer I (Salesforce) (6637)
Washington, District of Columbia, United States
$170k-$185k/yr HybridFull Time
5+ YOEBachelor's degree in a technical field, active Secret clearance, 5+ years Salesforce development (Apex, LWC, Flows), Salesforce Platform Developer I and Salesforce AI Associate certs, hands-on Agentforce/Einstein AI/Data Cloud experience, EM/AI integration, Agile experience.
Salesforce, Apex, Lightning Web Components (LWC), Flows, Platform Events, APIs, Agentforce, Einstein AI, Prompt Builder, Data Cloud, CRM Analytics, LLMs, RAG
4w
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Web Developer (Mid-level) (SWE I) (Government)
Columbia, Maryland, United States
$108k-$170k/yr OnsiteFull Time
7+ YOETS/SCI with polygraph; 7+ years SWE experience; Bachelor's in CS or related (or 4 additional years experience); DOD 8570 IAM Level I; professional experience with listed web languages, Linux, APIs, and relational databases.
PHP, .Net, C#, Java, Node.js, Python, HTML, CSS, JavaScript, Vue.js, React, Linux, AWS IAM, EC2, ALB, S3, RDS, CloudWatch, Nginx, Apache, Tomcat, PowerShell, CI/CD
13h
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Web Developer I
Fairfax, Virginia, United States
$93k-$117k/yr OnsiteFull Time
3+ YOERequires 3+ years of web development experience, strong coding skills, .NET, SQL Server, CMS, HTML, DHTML, ASP.NET, and JavaScript knowledge, plus planning and communication skills.
Microsoft Visual Studio, .NET framework, Microsoft SQL Server, Umbraco CMS, HTML, DHTML, ASP.NET, JavaScript
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