1mo
Save
Mark Applied
Hide
Application Developer- Frontend
Herndon, Virginia, United States
$140k-$175k/hr OnsiteFull Time
3+ YOEBachelor's in CS/Software Engineering/STEM, 3+ years developing web apps with Angular and TypeScript, experience with Angular migrations, JavaScript proficiency, Agile experience, active Top Secret clearance and U.S. citizenship required.
Angular, TypeScript, JavaScript, Java, Python, Scaled Agile Framework (SAFe)
2w
Save
Mark Applied
Hide
Front-End Developer
Rockville, Maryland, United States
HybridFull Time
3+ YOE3+ years building Angular applications; proficiency with TypeScript, JavaScript, HTML, CSS; experience with component-based UIs, troubleshooting existing codebases, Agile teamwork, and strong communication.
Angular, TypeScript, JavaScript, HTML, CSS, Electron, REST APIs, Python
2w
Save
Mark Applied
Hide
UI Front-End Engineer
Sterling, Virginia, United States
OnsiteFull Time
3+ YOETop Secret clearance, Bachelor's in CS or related, 3+ years front-end experience with JavaScript/TypeScript, HTML5/CSS3, modern frameworks (React/Angular/Vue), RESTful integration, GIS/mapping and real-time data experience.
JavaScript, TypeScript, HTML5, CSS3, React, Angular, Vue.js, Apache Kafka, RabbitMQ, ActiveMQ, ZeroMQ, Protobuf, GitLab, CesiumJS, OpenLayers, Leaflet, Mapbox GL JS, WebGL, Redux, Zustand, Pinia, Swagger/OpenAPI, WebSockets, gRPC, MQTT, DDS, AMQP
2w
Save
Mark Applied
Hide
Front-End Developer SME
Herndon, Virginia, United States
$140k-$165k/yr RemoteFull Time
10+ YOE10+ years front-end experience with React, JavaScript (ES6+), HTML5/CSS3, accessibility (USWDS/ODG/WCAG 2.2 AA), CI/CD, automated testing, and ability to obtain Public Trust.
React, JavaScript (ES6+), HTML5, CSS3, GitHub Actions, Jenkins, Jest, Cypress, Selenium, AWS, Kubernetes, USWDS
2d
Save
Mark Applied
Hide
Front End Software Developer
Sterling or Denver or Aurora
$82k-$172k/yr OnsiteFull Time
5+ YOERequire TS/SCI clearance,5+ years front-end development,BA/BS in CS or related,proficiency in JavaScript/TypeScript and frameworks (React/Angular/Vue),HTML/CSS,Git,REST,available to work onsite in Sterling,VA or Aurora,CO.
Java, Spring Boot, Spring Framework, REST, JavaScript, TypeScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, SAST, Docker, Kubernetes, React, Angular, Vue.js
1mo
Save
Mark Applied
Hide
Senior Software Developer, Front-end
Denver or Sterling
$99k-$207k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance (polygraph preferred), 7+ years software development, proficiency in JavaScript/TypeScript, Linux experience, Security+ (or willingness), strong system design, leadership and cloud-native development experience.
JavaScript, TypeScript, Linux, Svelte, WebSocket, Kubernetes, RESTful API
1mo
Save
Mark Applied
Hide
Senior Software Developer, Front-end
Denver or Sterling
$99k-$207k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance, 7+ years software development, proficiency in JavaScript and TypeScript, Linux experience, Security+ (or willingness), BS in Computer Science or coding bootcamp, leadership and system design skills.
JavaScript, TypeScript, Linux, Svelte, WebSocket, Kubernetes, RESTful API
1mo
Save
Mark Applied
Hide
Senior Front-End Software Development Engineer
Herndon, Virginia, United States
$137k-$200k/yr HybridFull Time
14+ YOEU.S. citizen with active TS/SCI clearance (CI poly). 14+ years technical experience. Strong front-end skills (JavaScript, HTML5, CSS3, React/Angular/Vue.js), data visualization, API integration, Git/CI/CD, cloud familiarity, and bachelor's degree or equivalent.
JavaScript, Python, Java, R, React, Angular, Vue.js, HTML5, CSS3, D3.js, ECharts, Plotly, AWS, Azure Government, Kubernetes, Git, CI/CD, Jest, Cypress, Playwright, Selenium, RESTful APIs, JSON
3w
Save
Mark Applied
Hide
Sr. Front-End Software Engineer (Geospatial & Middleware)
Sterling, Virginia, United States
OnsiteFull Time
8+ YOEActive Top Secret clearance, Bachelor’s in CS or related,8+ years front-end experience, strong JavaScript and modern frameworks, Protobuf and middleware experience, experience with Kafka/RabbitMQ/ActiveMQ/ZeroMQ, API development, geospatial UI experience.
JavaScript, React, Angular, Vue, Protobuf, Apache Kafka, RabbitMQ, ActiveMQ, ZeroMQ, gRPC, FlatBuffers, Avro, GitLab, AMQP, MQTT, Data Distribution Services, Cesium JS, Open Layers, Leaflet, Mapbox, WebGL
2d
Save
Mark Applied
Hide
Front End Software Developer
Sterling or Aurora
$82k-$172k/yr OnsiteFull Time
5+ YOE5+ years front-end development experience, TS/JS proficiency, Bachelor\u0002s in CS/Engineering, TS/SCI clearance (CI poly desired), experience with modern web frameworks and DevSecOps.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, SAST, Docker, Kubernetes
2mo
Save
Mark Applied
Hide
Full Stack Developer
Herndon or Chantilly
$190k-$250k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JavaScript/TypeScript/HTML/CSS), backend (Java/Python/Node.js), API development, Git, Agile, strong troubleshooting skills.
React, Angular, JavaScript, TypeScript, HTML, CSS, Java, Python, Node.js, Git, AWS, Azure, Docker, Kubernetes
1mo
Save
Mark Applied
Hide
Angular Developer
Ashburn or Sterling
HybridFull Time
3+ YOE3+ years frontend experience; strong Angular 14+ and TypeScript skills; Angular Material, Karma unit testing, HTML5/CSS3/JavaScript, and REST API consumption; strong problem-solving and communication.
Angular 14+, TypeScript, Angular Material, Karma, HTML5, CSS3, JavaScript, REST APIs
1mo
Save
Mark Applied
Hide
Expert Software Engineer
Herndon or Columbia
HybridFull Time
5+ YOEFrontend-focused software engineer with Angular, JavaScript/TypeScript, and UI experience; security clearance required; 5+ years of relevant experience or 8+ years with BS; strong collaboration and DevOps mindset.
Angular, JavaScript, TypeScript, CSS, HTML, Node.js, NPM, Linux, Bash, Jasmine, Selenium, Cypress, Python, Flask, Django, Tableau, Pandas, D3.js, PDF.js
2mo
Save
Mark Applied
Hide
Full Stack Developer
Herndon or Chantilly
$190k-$250k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JS/TS/HTML/CSS) and backend (Java/Python/Node.js) experience, API development, Git, and Agile.
React, Angular, JavaScript, TypeScript, HTML, CSS, Java, Python, Node.js, Git, AWS, Azure, Docker, Kubernetes, CI/CD, DevOps
4w
Save
Mark Applied
Hide
AI Model Developer
Fairfax or Ashburn
$125k-$150k/yr HybridFull Time
3+ YOEBachelor's degree in CS/AI/Data Science, US citizenship and ability to obtain Public Trust, 3+ years AI/ML and full-stack experience, strong Python and ML framework skills, backend/frontend and cloud/DevOps familiarity.
Python, NumPy, Pandas, scikit-learn, TensorFlow, PyTorch, Transformers, Django, Flask, FastAPI, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, Redis, Docker, Kubernetes, CI/CD, AWS, Microsoft Azure, GCP, GitHub workflows, Matplotlib, Plotly, D3.js, GraphQL, JavaScript, TypeScript, Next.js, AWS Bedrock, GCP AI Platform, Microsoft Azure ML, GitHub Actions
1w
Save
Mark Applied
Hide
Full Stack Engineer - Polygraph Required
Herndon, Virginia, United States
$114k-$248k/yr OnsiteFull Time
Active TS/SCI with Polygraph, experience building production frontend (React/Next.js) and backend (Python frameworks), cloud experience (AWS preferred), CI/CD and Git proficiency, RESTful APIs and databases, strong communication skills, able to commute to Herndon area.
React, Next.js, JavaScript, TypeScript, HTML, CSS, Python, FastAPI, Flask, Django, Node.js, Express, NestJS, SQL, NoSQL, Git, GitLab CI, AWS CodeBuild, Jenkins, GitHub Actions, Docker, Kubernetes, SNS, SQS, Kinesis, Step Functions, EventBridge, Vitest, Playwright, Pytest, Terraform, Storybook, Tailwind CSS, shadcn/ui
2w
Save
Mark Applied
Hide
Full Stack Software Engineer, Mid-level
Sterling, Virginia, United States
$94k-$198k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph, bachelor\u0002s in STEM or equivalent, 5+ years software development, Java/Python/Linux proficiency, microservices and frontend experience, DoD 8570-compliant cert or ability to obtain.
Java, Python, Bash, JavaScript, TypeScript, Vue.js, Vue3, Bootstrap, Hibernate, HTML, CSS, Mockito, JUnit, Cypress, MariaDB, MongoDB, Git, GitLab, Jira, Confluence, GitLab CI/CD, Jenkins, SonarQube, Nomad, Docker, Kubernetes, xmidas
3mo
Save
Mark Applied
Hide
IT Specialist (APPSW) - .NET - DHA
Denver or Urbana or Woodlawn or Durham or Wilkes Barre
$91k-$140k/yr OnsiteFull Time
1+ YOEIT specialist with .NET/.NET Core experience, REST APIs, SQL Server, and frontend skills; familiarity with AI tools and security controls preferred.
C#, NET Core, NET Framework, Entity Framework, MVC, JavaScript, AJAX, jQuery, Bootstrap, HTML, CSS, SQL Server, Visual Studio, Azure DevOps, Git, JSON, REST API