2w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Expert Software Developer
Washington or Sterling
HybridFull Time
2+ YOEActive Top Secret/SCI clearance required, Bachelor’s degree, 2+ years software engineering experience, proficiency with JavaScript/TypeScript/Node.js/Angular, relational and NoSQL databases, and web application development.
JavaScript, TypeScript, Node.js, Angular, SQL, NoSQL, Apache, Tomcat, JBoss, Nginx, IIS, Java, C#, Spring, Maven, Python, Kubernetes, UML, REST, Oracle, PostgreSQL, MySQL, MongoDB, Microsoft PowerApps, HTML5, CSS3, LESS/SCSS, Bootstrap, Spring Security, Docker, VS Code, CI/CD, Jira, Confluence
1mo
Save
Mark Applied
Hide
Junior Software Engineer
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
0+ YOEBachelor's in CS/Software/IS required; 0–3 years software development experience; experience with Java and/or Python; familiarity with web development, relational databases, SDLC/Agile; TS/SCI clearance with polygraph; up to 10% travel.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium
3w
Save
Mark Applied
Hide
Cyber Software Engineer
Herndon, Virginia, United States
$86k-$152k/yr OnsiteFull Time
2+ YOETop Secret clearance (investigation within 5 years), bachelor’s degree in a computer/engineering/security field, minimum 2 years vulnerability research/reverse engineering experience, programming proficiency, and deep knowledge of embedded/mobile/desktop OS.
Google Android, Embedded Linux, Windows, Linux, MacOS, iOS, Android
3d
Save
Mark Applied
Hide
Embedded Software Engineer II
Germantown, Maryland, United States
$72k-$98k/yr HybridFull Time
1+ YOEBachelor's degree in engineering, 1+ years related experience, proficiency in C/C++, scripting (Bash/Python), Linux/QNX/FreeRTOS, strong communication and software design skills.
C, C++, Bash, Python, Linux, QNX, FreeRTOS
1w
Save
Mark Applied
Hide
Staff Software Engineer
Tysons Corner or Boston or Chicago or Denver or Jericho or Jersey City or New York or Rockville or Washington or Woodbridge
$84k-$180k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years experience, strong CS fundamentals, object-oriented development, system design, cloud, DevOps/CI/CD, test automation, and software security awareness.
DevOps, CI/CD
1mo
Save
Mark Applied
Hide
Junior Software Engineer
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
0+ YOEBachelor's in CS or related, 0–3 years software development experience, Java and/or Python, web app and relational DB familiarity, Agile/SDLC knowledge, strong problem solving, TS/SCI clearance with polygraph.
Java, Python, GIS, ArcGIS, GeoServer, OpenLayers, Cesium
3d
Save
Mark Applied
Hide
Associate, Software Engineer (38925)
Herndon, Virginia, United States
$98k-$135k/yr OnsiteFull Time
Pursuing or recent BS in CS/CE/SE/EE or related; knowledge of embedded software, real-time OS, and languages such as C/C++/Java; SDLC experience and teamwork skills.
C++, C#, C, Java, Ruby, JEE, HTML5, XML, SQL, Qt, Windows, .NET, Unix, Linux, SOA, RTOS, Hadoop, Android, Embedded Systems, Perl, Python, Ajax, VxWorks, QNX, Integrity, Windows CE
2mo
Save
Mark Applied
Hide
Mid-Level Backend Software Engineer
Gaithersburg, Maryland, United States
$87k-$157k/yr OnsiteFull Time
2+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor's or master's in computer science/software engineering; 2–8 years experience depending on degree; strong Java or Python, REST API, SQL, and Linux skills.
Java, Python, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure
3mo
Save
Mark Applied
Hide
Embedded Software Engineer
Herndon, Virginia, United States
$106k-$159k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent experience, 2+ years in embedded software/security tooling/emulation/CNO, proficiency in C/C++ and Python/Bash, ability to work onsite in Herndon, and active Top Secret clearance (TS/SCI).
C, C++, Python, Bash, QEMU
1mo
Save
Mark Applied
Hide
Software Development Engineers (Level 2 or 3)
Dulles, Virginia, United States
$92k-$171k/yr OnsiteFull Time
2+ YOEU.S. citizen with active Top Secret clearance at time of application, Python/C++/Bash experience, 2+ years software development (Level 2) or 5+ years (Level 3), bachelor's in CS/Engineering preferred; support for ground software and test events.
Python, C++, Bash, Postgres, Ansible, PKI
3w
Save
Mark Applied
Hide
Full Stack Software Development Engineer
Herndon, Virginia, United States
$140k-$160k/yr OnsiteFull Time
2+ YOEU.S. citizenship with active TS/SCI clearance, bachelor's in CS/software engineering or equivalent, 2+ years software development, experience with modern languages (Python/Java/Go/Rust), Linux, cloud (AWS/AWS C2S), containers, Git, CI/CD.
Python, Java, Go, Rust, Linux, AWS, AWS C2S, Docker, Kubernetes, Elasticsearch, MongoDB, Git, CI/CD
2w
Save
Mark Applied
Hide
Software Engineer
Herndon, Virginia, United States
$70k-$125k/yr OnsiteFull Time
2+ YOEUS citizen with bachelor’s in a related field, 2+ years experience, strong Linux and OOP skills, Git, containers/Kubernetes, CI/CD, and scripting in Python or Bash.
RHEL, CentOS, Rocky, C++, Java, Git, Docker, Kubernetes, GitLab CI, Jenkins, Python, Bash
2mo
Save
Mark Applied
Hide
Software Engineer
Ashburn, Virginia, United States
$88k-$137k/yr HybridFull Time
3+ YOEBachelor's degree or 3+ years of relevant experience. Strong fundamentals in at least one language; full-stack interest; AI/automation exposure; curiosity and collaboration.
Python, FastAPI, React, LangChain, LangGraph, APIs, Microservices, Distributed systems, Kafka, GitHub, CI/CD
1mo
Save
Mark Applied
Hide
Software Engineer 1
Herndon or Potomac
OnsiteFull Time
U.S. citizenship and active TS/SCI with Full Scope Polygraph required. Proficiency in Python, Django or Flask, MongoDB or MariaDB, REST endpoint development, and microservice design.
Python, Django, Flask, MongoDB, MariaDB, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git
1mo
Save
Mark Applied
Hide
Cyber Software Engineer
Arlington or Dulles or Sterling
OnsiteFull Time
2+ YOEU.S. citizen with active Secret clearance (TS/SCI preferred); 2+ years application development experience; operational Python and Linux skills; experience with containers, Kubernetes, CI/CD, IaC (Ansible/Terraform/CloudFormation), RESTful services, ETL and COTS integration.
Ansible, Terraform, Git-CI, Openshift, RHEL, Alma, Docker, Python, Kubernetes, Redshift, Cloudformation, JSON, MongoDB, MinIO, Vue.js, React, HTML, AWS, Podman
1w
Save
Mark Applied
Hide
Software Engineer, Mid
Herndon, Virginia, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years OOP experience (Java/JEE), backend frameworks (Spring/Spring Boot), REST API development, Linux CLI, NiFi; TS/SCI clearance with polygraph required; ability to obtain DoD 8570 certification (Security+ or CISSP) within 6 months.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, NiFi, MongoDB, Jira, Confluence, Git, GitLab, Apache Kafka
1w
Save
Mark Applied
Hide
Software Engineer, Mid
Herndon, Virginia, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years in object-oriented programming (Java/JEE), backend frameworks (Spring), API/REST development, Linux experience, ability to obtain DoD 8570 certification (Security+ or CISSP), TS/SCI clearance with polygraph required.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, NiFi, Apache NiFi, PKI, MongoDB, Jira, Confluence, Git, GitLab, Kafka
1mo
Save
Mark Applied
Hide
Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$45k-$52k/yr OnsiteFull Time
1+ YOEBachelor's in CS/IS or 3 years' equivalent experience; 1–2 years web/app development (JavaScript/CSS) preferred; experience or exposure to ColdFusion, React, MySQL; familiarity with APIs, Git, and Jira; strong communication and problem-solving.
ColdFusion, React, HTML5, CSS3, JavaScript (ES6), Bootstrap, jQuery, MySQL, APIs, webhooks, XML, JSON, CSV, Git, Jira, AWS, Azure, Warehouse Management System (WMS), Electronic Data Interchange (EDI)
2w
Save
Mark Applied
Hide
Software Engineer II (Onsite)
Richardson or Aurora or Dulles
$69k-$131k/yr OnsiteFull Time
2+ YOERequires STEM degree and minimum 2 years experience, active transferable TS/SCI clearance, U.S. citizenship, Java experience, Agile/DevSecOps familiarity, and strong communication and problem-solving skills.
Java, Python, C++, AWS, Red Hat, GitLab, Jira, Confluence, SAFe, DevSecOps, Agile, SCRUM