3mo
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Full Stack Developer (C#)
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOE7+ years backend development in C#/.NET; experience with relational and NoSQL databases; cloud and microservices; hybrid Ashburn, VA; US citizenship with ability to pass CBP background checks.
C#, NET, MongoDB, Kafka, PostgreSQL, Oracle, Docker, Visual Studio
2mo
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Full Stack Developer (C#)
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOEU.S. citizen able to pass CBP background checks, B.S. in CS or related (or equivalent experience), 7+ years backend development experience, expert C#, .NET/.NET Core, microservices, Kafka, PostgreSQL/Oracle/MongoDB, Git, unit testing, Visual Studio, Docker; hybrid in Ashburn, VA.
C#, .NET Framework, .NET Core, MongoDB, Kafka, PostgreSQL, Oracle, Git, Visual Studio, Docker, NUnit, xUnit, MSTest, AWS, Google Cloud, Dynatrace, AppDynamics, SCOM, Prometheus, Grafana, Terraform, CloudFormation, Kubernetes, Jenkins, Harness, GitLab
3mo
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Data Engineer
Carlsbad or Germantown or Englewood or Tempe
$141k-$222k/yr OnsiteFull Time
5+ YOE5+ years software development with Java/Scala/Python/C/C++, SQL DBMS, Linux, Docker, Git/CI/CD; cloud familiarity (AWS/GCP/Azure); strong analytical skills; BS in a related field; US citizenship required; travel up to 10%
Java, Scala, Python, C, C++, PostgreSQL, MySQL, Oracle, Linux, Docker, Git, CI/CD, AWS, GCP, Azure, Kafka, Spark
2mo
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Lead, Software Engineer (37557)
Herndon, Virginia, United States
$135k-$251k/yr OnsiteFull Time
9+ YOE2+ MgmtBachelor's degree with 9+ years experience (or equivalent), 2+ years software leadership, 5+ years C/C++ development, EM/embedded experience, earned value and proposal experience, US clearance eligibility required.
C, C++, Python, Java, Linux, U-Boot, DO-178C
1w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
2mo
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Lead Software Engineer-Embedded Computing Software-Onsite
Ashburn, Virginia, United States
$109k-$145k/yr OnsiteFull Time
8+ YOESenior software engineer with embedded systems experience, DoD security, Linux, C/C++, and embedded software development.
C, C++, Linux, VxWorks, Python, LabVIEW, Git, JIRA, Confluence, DOORS, Yocto, Petalinux, GCC
1mo
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Software Developer - Weapons Direction Systems - Mid Level
Rockville, Maryland, United States
$95k-$162k/yr OnsiteFull Time
4+ YOEB.S. in STEM, 4+ years programming experience, experience with Ada/C/C++, VxWorks, real-time embedded development, software migration/rehosting, Naval systems integration, ability to obtain Secret clearance, occasional travel.
Ada, C, C++, VxWorks, VME
1mo
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Windows CNO Software Engineer
Herndon, Virginia, United States
$105k-$209k/yr OnsiteFull Time
Active US citizenship and TS/SCI clearance; experience in C, C++, Python; OS-level and Windows kernel development, device drivers, Visual Studio, Windows SDK/DDK, WinDBG; network protocol understanding; software configuration management and unit testing.
C, C++, Python, Visual Studio IDE, Windows SDK, Windows DDK, WinDBG
3w
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AI/ML Engineer
Herndon or Annapolis Junction
$135k-$216k/yr OnsiteFull Time
3+ YOEDegree with relevant years of experience (BSc+8, MSc+6, PhD+3), strong Python development, experience with additional languages (C/C++/JavaScript/Go/Java), LLM/API integration, AI/ML engineering, US citizenship and ability to obtain FAA Public Trust, local to Herndon, VA.
Python, C, C++, JavaScript, Go, Java, PyTorch, TensorFlow, Anthropic Model Context Protocol (MCP), Docker, Kubernetes, Terraform, LLMs, AI APIs
3w
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Senior CNO Developer (Onsite)
Annapolis Junction or Palm Bay or Dulles or Maryland or Florida or South Carolina or Texas
$99k-$206k/yr RemoteFull Time
7+ YOE5+ MgmtBachelor's +9 yrs or Master’s +7 yrs; 8+ yrs programming in Assembly, C, C++, Java, Perl, and/or Python; experience with Windows/UNIX build environments; CNO tooling experience; 5+ yrs managing teams; TS/SCI preferred.
Assembly, C, C++, Java, Perl, Python, Visual Studio, .NET, make, Bash, PowerShell, IDA Pro, Ghidra, OllyDbg, Git, Windows, UNIX
2mo
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Software Developer
Herndon or Chantilly
$185k-$240k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, experience with Java/Python/C++/JavaScript, APIs, Git, Agile; cloud, DevOps, containerization preferred.
Java, Python, C++, JavaScript, AWS, Azure, Docker, Kubernetes, Git, REST APIs, CI/CD Tools, DevOps
3mo
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Data Engineer
Carlsbad or Germantown or Englewood or Tempe
$136k-$253k/yr OnsiteFull Time
5+ YOE5+ years software development with Java/Scala/Python/C/C++. SQL knowledge. Linux, Docker, Git/CI-CD. Cloud (AWS/GCP/Azure). BS in a related field.
Java, Scala, Python, C/C++, Linux, Docker, Git, CI/CD, PostgreSQL, MySQL
1w
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Principal Software Engineer
Ashburn, Virginia, United States
HybridFull Time
8+ YOE8+ years embedded software experience (or 6+ with MS), strong C and C++, embedded systems and debugging, Unix/Linux proficiency, unit testing, ability to work with hardware teams; eligible for DOD security clearance.
C, C++, Unix, Linux, yocto, JIRA, Confluence, Git
2mo
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Software Developer
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph or ability to obtain; 5+ years software development; .NET, HTML, C#; DevOps tools; SQL Server; JavaScript; CSS; cross-browser code; strong teamwork and communication.
.NET, HTML, C#, JavaScript, Git, Azure DevOps, SQL Server, CSS
1mo
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Embedded Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
2+ YOEBS in a technical field and 2–5 years of experience; C/C++; RTOS or embedded Linux; hardware familiarity; U.S. government security clearance eligibility.
C, C++, RTOS, Embedded Linux, SPI, I2C, CAN, UART, Python, Git, CI/CD
1mo
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Agile Developer
Herndon or United States
RemoteFull Time
5+ YOEBachelor's degree in CS/IT/Engineering, 5+ years software development in Agile, experience with Java/C#/JavaScript/Python, web services/APIs, Git, CI/CD and DevSecOps, and knowledge of secure coding and federal cybersecurity.
Java, C#, JavaScript, Python, VistA, MUMPS, CPRS, AWS, Azure, Google Cloud, Docker, Kubernetes, React, Angular, Vue.js, HL7, FHIR, Git, CI/CD, DevSecOps
2mo
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Systems Development Engineer, S3
Herndon, Virginia, United States
$151k-$205k/yr OnsiteFull Time
4+ YOE4+ years professional software development; Bachelor's degree or CSSLP; TS/SCI with polygraph; Linux experience; languages include C++, C#, Java, Python, Golang, PowerShell, Ruby.
C++, C#, Java, Python, Golang, PowerShell, Ruby, Linux, Bash, Perl
1w
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Senior Software Engineer
Germantown, Maryland, United States
$107k-$145k/yr OnsiteFull Time
5+ YOEBachelor's in engineering, 5+ years experience, fluency in C/C++, Linux and RTOS experience, multithreading and hardware interfacing skills, EM engineering tools (MATLAB/Python/Rust) familiarity, ability to lead technical groups, U.S. citizenship and ability to obtain DoD clearance.
C, C++, Linux, RTOS, MATLAB, Python, Rust
6d
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Developer, Applications
Westminster or Crawfordsville
$70k-$85k/yr OnsiteFull Time
2+ YOE2–5 years IT development/support experience or equivalent; college degree or equivalent; experience with Oracle PL/SQL, Linux, Python, JavaScript, Git; strong analytical and problem-solving skills.
Oracle (PL/SQL, stored objects), Linux, Python, HTML, JavaScript, Perl, C, Git, VS Code
1mo
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Lead Java Software Engineer – Developer
Herndon or Seal Beach or El Segundo or Colorado Springs
$212k-$286k/yr OnsiteFull Time
Senior Java software development leadership; 10+ years Java/C++, React/Angular, cloud experience; TS clearance; Bachelor's degree.
Java, C++, Angular/React.js, HTML, CSS, Cloud, CI/CD