28 software engineer i jobs at 16 companies in Leonardtown, MD
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Civil Engineer I
Fredericksburg, Virginia, United States
HybridFull Time
0+ YOEBachelor's degree in civil engineering; EIT preferred; entry-level; land/site development experience a plus; proficient in civil design software.
AutoCAD, Civil3D, AES, CIVILD, WSPGW, PCSWMM, StormCAD, HEC-HMS, HEC-RAS, Microsoft Office
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
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
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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
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.
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)
1mo
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Full Stack Software Developer
King George, Virginia, United States
OnsiteFull Time
3+ YOEDegree with relevant years of experience (BS 8–10, MS 6–8, PhD 3–5), active/interim DoD SECRET (able to obtain TS/SCI), DoDD 8140.01 IAM Level I, experience with .NET Core, Angular, JavaScript, C#, and SQL Server.
.NET Core, Angular 2+, JavaScript, C#, Microsoft SQL Server, Microsoft SQL Server Management Studio, Visual Studio, git, GitLab, mercurial, C/C++, Java, Python, TypeScript, PostgreSQL
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
1mo
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Senior AI Developer
Dahlgren, Virginia, United States
$106k-$185k/yr HybridFull Time
3+ YOERequires active Secret clearance and ability to obtain TS/SCI, DoDD 8140.01 IAM Level I, strong Python experience (FastAPI a plus), experience with AI frameworks (Haystack, LangChain, LlamaIndex), RAG workflows, context engineering, MCP servers, and model evaluation.
Python, FastAPI, Haystack, LangChain, LlamaIndex, Model Context Protocol (MCP), RAG
1mo
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AS/400 Senior Developer
Chicago or Dallas or Houston or Atlanta or Washington or Boston or Denver or San Antonio or Miami or Tampa or Columbus or St. Louis or Kansas City
$120k-$150k/yr RemoteFull Time
5+ YOE5+ years experience with AS/400 (IBM i) and RPGLE, SQL, Microsoft Access, OpenEdge Progress, Visual Basic, Linux; bachelor's in CS/IT or equivalent; strong communication and problem-solving skills.
AS/400 (IBM i), RPGLE, VS Code, Code for IBM i, Git, GitHub, Microsoft Access, OpenEdge Progress, Visual Basic, Linux, SQL
2mo
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Systems Development Engineer I, ADC Security Services (AS2E)
Arlington, Virginia, United States
$99k-$160k/yr OnsiteFull Time
1+ YOEAssociate's degree or CND/GSEC, 1+ years systems development experience, infrastructure automation/deployment/support, programming (Python, Ruby, Golang, Java, C++, C#, Rust), Linux/Unix, and active TS/SCI security clearance with polygraph.
TypeScript, Python, Bash, Ruby, Golang, Java, C++, C#, Rust, Linux/Unix, CI/CD
1mo
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Senior Application Developer (DAAS API GW)
Washington or United States
RemoteContract
5+ YOEFive+ years developing applications; experience with APIs, low-code/no-code platforms, BPMN, MuleSoft; BS in related field; 8570 IAT Level I and MuleSoft certification required; active Secret clearance.
Java, HTML, Microsoft .NET, AngularJS, JavaScript, SOAP, REST API, Web Based API, BPMN, Appian, Salesforce, Nintex, MuleSoft Anypoint Platform, Microsoft SQL Server
3w
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Power Apps Developer - Intermediate
Quantico, Virginia, United States
HybridFull Time
5+ YOE5+ years developing production solutions on Microsoft Power Platform (Power Apps/Power Automate), SharePoint Online, Dataverse and SQL; active Secret clearance; 8570 IAM/IAT Level I certification; Bachelor's or equivalent.
Microsoft Power Platform, Power Apps, Power Automate, SharePoint Online, Microsoft Excel, Microsoft Dataverse, SQL, Power Fx
5d
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Crew Chief I - Land Surveying
Lanham, Maryland, United States
$25-$35/hr FieldFull Time
2+ YOERequires 2–5 years of survey field crew experience, high school diploma or equivalent, surveying computations, equipment and software proficiency, driver's license, and ability to work outdoors and lift 50 pounds.
Total Stations, Data Collectors, GPS, associated software
1d
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Estimator I
Tempe or Phoenix or Colorado or Chicago or Seattle or Portland or Washington
$79k-$99k/yr OnsiteFull Time
Associate's or bachelor's degree in construction management, engineering, or similar, or equivalent experience; driver's license; estimating software familiarity and construction experience preferred.
ISqFt, ICE/Bid2Win, On-Screen Takeoff (OST), Bluebeam, PDF, Google Earth
2mo
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Lab Technician
Fredericksburg, Virginia, United States
OnsiteFull Time
0+ YOENo experience required; 1+ years preferred; high school diploma; ACI Level I Concrete, state DOT, or ICC certifications preferred; valid driver license; some travel; background check.
laboratory equipment, nuclear density gauge, scales, meters, computer software
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