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Frontend Javascript Software Engineer Jobs in Leonardtown, MD, US

34 frontend javascript software engineer jobs from 28 companies hiring in Leonardtown, MD, US.

All jobs in Leonardtown, MD, USFrontend Javascript Software Engineer Jobs in United States
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34 jobs- Leonardtown • 50 miles
1mo
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Software Engineer - Frontend
Chantilly, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years software engineering; strong Angular/TypeScript; reusable UI components; US citizenship and TS/SCI with Polygraph clearance; AWS services experience; UI/UX and performance focus.
Angular, TypeScript, JavaScript, HTML5, CSS3, Sass, AWS (API Gateway, Lambda, DynamoDB), Git, CI/CD, REST APIs
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3mo
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Front End Software Engineer
Cambridge or Arlington or Seattle
$90k-$210k/yr HybridFull Time
MORSE Corp
MORSE Corp: Develops advanced technology for national security missions.
5+ YOE5+ years frontend UI/UX exp; US citizenship or ability to obtain security clearance; React, Typescript/JavaScript, Python; TDD; design patterns; Git/Subversion; Agile; BS/MS in CS or equivalent; 5+ years experience
React, React Native, Kotlin, Python, Typescript, JavaScript
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1mo
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Senior Front End Engineer
Austin or Boston or Providence or San Diego or Washington D.C.
$140k-$175k/yr HybridFull Time
HavocAI
HavocAI: Develops autonomous surface vessels and collaborative maritime autonomy software.
5+ YOE5–8+ years frontend experience, expert with React and modern JavaScript/TypeScript, strong data-driven UI, REST/GraphQL APIs, performance optimization, and collaborative cross-functional work.
React, JavaScript, TypeScript, REST, GraphQL, Mapbox, Deck.gl, WebGL, Cypress, Jest
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2mo
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Front-End Software Engineer
College Park, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
3+ YOE3+ years front-end development with HTML/CSS/JS/TS; React/Vue/Angular; REST APIs; SQL/NoSQL; Git/CI/CD; TS/JS; US Citizenship with TS/SCI w/ Poly
HTML, CSS, JavaScript, TypeScript, React, Vue, Angular, REST API, SQL, NoSQL, Git, CI/CD, Python
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1mo
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Spatial Front, Inc - Frontend Developer
Arlington, Virginia, United States
HybridFull Time
Spatial Front
Spatial Front: IT solutions and mission support for government agencies.
3+ YOEBachelor's in CS or related field; 3 years frontend development; HTML/CSS/JS; modern frontend frameworks; accessibility; US citizenship; active Secret clearance or ability to obtain.
HTML, CSS, JavaScript, React, Angular, Vue.js, USWDS, WCAG, Section 508
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2w
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Front End Developer
Huntsville or Washington
$87k-$123k/yr HybridFull Time
Groundswell
Groundswell: Providing technology integration and digital modernization for federal agencies.
4+ YOE4+ years frontend development with dashboards/visualizations; JavaScript/TypeScript (React/Angular/Vue); data visualization (D3.js/Plotly/Recharts); accessible UI (508/WCAG); eligible for Top Secret/SCI clearance; based in Huntsville, AL or Washington, DC metro area.
JavaScript, TypeScript, React, Angular, Vue, D3.js, Plotly, Recharts, Mapbox, WCAG, 508
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1mo
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Front End Developer
Springfield, Virginia, United States
OnsiteFull Time
Trinity Global Consulting
Trinity Global Consulting: Provides professional support services to US government agencies.
2+ YOEBachelor's in CS/Math/GIS/STEM; 2+ years front-end web development; HTML5, CSS3, TypeScript, JavaScript; React/Angular/Vue; high availability/scalability experience; strong communication; US Citizenship; Top Secret SCI clearance.
HTML5, CSS3, TypeScript, JavaScript, React, Angular, Vue, Docker, Kubernetes, Azure, AWS, GCP, CI/CD
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2w
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Front-End Engineer - GEOINT | TS/SCI
Quantico, Virginia, United States
OnsiteFull Time
Xcellent Technology Solutions
Xcellent Technology Solutions: Provides geospatial intelligence and IT services to federal agencies.
4+ YOEActive TS/SCI clearance; degree or 8+ years experience; 4+ years frontend experience; React/Vue/Angular; JavaScript/TypeScript/HTML/CSS; REST APIs; data visualization with D3/ArcGIS; accessibility and UI/UX.
React, Vue.js, Angular, JavaScript, TypeScript, HTML5, CSS3, D3.js, ArcGIS API for JavaScript, npm, Yarn, Webpack, Vite, Git, REST APIs
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4d
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Front-End Web Developer
New York or Washington or Seattle or Miami or San Francisco
$85k-$100k/yr RemoteFull Time
Socure
Socure: Provide AI-driven identity verification and fraud prevention software.
4+ YOE4+ years front-end development; HTML, CSS, JavaScript/TypeScript; React; design-focused; experience with headless CMS (Contentful); strong design sensibility.
React, HTML, CSS, JavaScript, TypeScript, Contentful, Sanity, Prismic, Storyblok
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1d
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Front End Developer (St. Louis, MO / Springfield, VA)
Alexandria or Springfield or St. Louis
$75k-$180k/yr OnsiteFull Time
geocgi
geocgi: Providing specialized geospatial information systems (GIS) and IT services.
U.S. Citizen with Active Top Secret clearance (SCI eligible) or recent within 2 years; Bachelor’s in CS, GIS, Mathematics or related STEM; 1-10+ years frontend experience.
HTML5, CSS3, JavaScript, TypeScript, React, Angular, Vue
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4w
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M365 Front-end Developer, Web Publisher
Reston or Washington
HybridFull Time
Dev Technology Group
Dev Technology Group: Provides information technology services to federal government agencies.
3+ YOE2-5 years in Microsoft 365/SharePoint Online, Drupal; BS degree; HTML/CSS/JS; accessibility; government/DoD experience preferred.
HTML, CSS, JavaScript, jQuery, Bootstrap, SharePoint Online, Power Platform, Power Automate, Drupal, Adobe Creative Suite
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1mo
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Front-End Web Developer, B2B, Marketing Technology
San Francisco or New York or Washington
$83k-$122k/yr HybridFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
4+ YOE4+ years front-end web development; HTML5, CSS3, modern JavaScript (ES6+), React/Next.js (Vue/Angular also considered); TypeScript; CSS methodologies; WCAG accessibility; headless CMS (Contentful); Storybook; Git; CI/CD; Webpack/Vite; performance, SEO, and analytics integration.
HTML5, CSS3, JavaScript, React, Next.js, Vue.js, Angular, TypeScript, CSS-in-JS, CSS Modules, Tailwind, Contentful, Storybook, Git, CI/CD, Build tools, Webpack, Vite, Turborepo, Package managers, Google Tag Manager
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2mo
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UI/UX Front-End Web Developer
Chantilly or Arlington or Herndon or McLean or Reston or Sterling
$78k-$176k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides management consulting and technology services to government agencies.
5+ YOEFront-end web development with JavaScript/HTML5/CSS, modern framework, WCAG/Section 508, AWS, TS/SCI clearance with polygraph; Bachelor's degree with 5+ years or 8+ years experience without degree.
JavaScript, HTML5, CSS, SCSS, Vue, React, Angular, Next, AWS, TypeScript
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1w
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Front-End Software Engineering & UI/UX Intern
Arlington, Virginia, United States
$26-$29/hr OnsiteInternship
Safran Electronics & Defense
Safran Electronics & DefenseEuronext Paris: SAF: Manufacturer of high-tech electronics for aerospace and defense sectors.
0+ YOEPursuing CS/Design/HCI; strong front-end interest; HTML, CSS, JavaScript knowledge; UI/UX and accessibility awareness; experience with React/Angular/Vue preferred; cloud exposure preferred.
HTML, CSS, JavaScript, React, Angular, Vue, Figma, Adobe XD, Sketch, REST APIs
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2mo
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UI/UX Front-End Web Developer
Chantilly or McLean or Arlington or Sterling or Reston or Herndon
$78k-$176k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides management and technology consulting to government and commercial clients.
5+ YOEFront-end JS frameworks (Vue/React/Angular/Next); WCAG/508; AWS; TS/SCI with poly; BS +5 yrs or 8 yrs experience in lieu of degree
JavaScript, HTML, CSS, SCSS, Vue, React, Angular, Next, AWS, TypeScript
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1mo
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Senior Software Developer - Clearance Required
Reston or Washington
HybridFull Time
Cydecor
Cydecor: Provides technology solutions and engineering for national security.
6+ YOE6+ years as software engineer; frontend using Vue/JavaScript/TypeScript; Linux, Git; API design; relational and NoSQL databases; Agile; security and TS/SCI readiness; Bachelor's degree.
Vue, JavaScript, TypeScript, Linux, Git, Jira, Confluence, Artifactory, API design, Relational databases, NoSQL databases, CI/CD
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5d
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Software Engineer - Full Stack/UI Focus
Annapolis Junction, Maryland, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
3+ YOEMid-level full-stack engineer with JavaScript/TypeScript, frontend frameworks (Vue/React), REST, MongoDB, and automated testing; strong problem-solving and collaboration skills.
Java, TypeScript, JavaScript, Vue, React, REST, MongoDB, Kafka, CI/CD, Linux, Claude Code
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2mo
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Associate Software Engineer
Mount Laurel or Arlington
$72k-$114k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software integration and testing solutions for defense.
2+ YOEBachelor’s degree and 0–2+ years software development; willing to travel up to 15%; strong frontend, API, and software lifecycle skills.
TypeScript, JavaScript, Git, REST, gRPC, PostgreSQL, SQL, Windows, Linux, React, Angular, Vue
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1mo
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Senior Software Developer - Clearance Required
Reston or Joint Base Anacostia-Bolling
HybridMultiple Commitments Available
Cydecor
Cydecor: Providing technology solutions and mission support to defense agencies.
6+ YOE6+ years in distributed software development; frontend tech stack (Vue, JavaScript, TypeScript); backend services; Agile; TS/SCI clearance preferred.
Vue, JavaScript, TypeScript, React, Angular, Linux, Git, Jira, Confluence, Artifactory, APIs, Relational databases, NoSQL, Agile, Security-focused development, CI/CD, Python, Java, Docker, Kubernetes, OpenShift, Jenkins, Keycloak, OAuth2, JWT, SonarQube, OWASP ZAP, Fortify, CI/CD pipelines, AWS, Azure, CI/CD
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14h
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Software Engineer
Needham or Arlington
$90k-$110k/yr OnsiteFull Time
Federated Wireless
Federated Wireless: Provides shared spectrum solutions for 4G and 5G networks.
BS or MS in CS; proficient in Python/Java; MongoDB/PostgreSQL; frontend and backend development; AI/ML frameworks; AWS; MLOps; strong communication; adaptable; agile environment.
Python, Java, MongoDB, PostgreSQL, JavaScript, React, Redux, HTML5, CSS/SASS, AWS, EC2, S3, TensorFlow, PyTorch, Scikit-Learn, OpenAI APIs, CI/CD, MLOps
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1mo
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Software Developer – Junior (Team 09)
Washington, District of Columbia, United States
$100k-$115k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
1+ YOE1 year of professional experience in backend/frontend development with Java, JavaScript, Go, Python, TypeScript, or .NET; experience with Java Spring, Node.js, React/Next.js; Agile; TS clearance with SCI eligibility; bachelor’s degree in IS/CS/Engineering or related field.
Java, JavaScript, Go, Python, TypeScript, DOTNET, Spring, Node.js, React, Next.js, Hibernate, Maven, Gradle, Git, Jira, SonarQube, Jest, Mocha, Chai
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1mo
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Software Engineer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides cybersecurity and intelligence services for national security missions.
7+ YOESeven years SWE experience; Bachelor's in Computer Science; four additional SWE years can substitute for degree.
ReactJS, NodeJS, Java, Spring Boot, JavaScript, Docker, Podman, AWS, MongoDB, Elasticsearch, Gradle, UI/UX, API, Frontend development
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1w
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Senior Software Engineer - Remote Nationwide or Hybrid in MN or DC
Minneapolis or Washington
$92k-$164k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
9+ YOESenior software engineer with 9+ years full-stack experience, expert in React, JavaScript/TypeScript, Node.js, Spring Boot, and CI/CD; strong backend and frontend skills; healthcare domain experience preferred.
React, JavaScript, TypeScript, HTML5, CSS3, Node.js, Spring Boot, REST APIs, Docker, Kubernetes, CI/CD, DevOps, Splunk, Datadog, OpenAI
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1w
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Senior Full Stack Software Engineer - Consumer Operations
Austin or Chicago or Washington or New York City
$130k-$160k/yr HybridFull Time
Upside
Upside: Personalized cashback rewards platform for everyday brick-and-mortar purchases.
5+ YOESenior full-stack role focused on building high-quality software; collaborate with cross-functional teams; strong frontend and backend skills in modern web tech.
React, Typescript, JavaScript, Python, Snowflake, AWS, Terraform, SQL, MySQL, GitHub Actions, OpenAI
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1mo
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Manager Software Engineering
Arlington, Virginia, United States
$161k-$266k/yr HybridFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Proven software engineering leader with hands-on frontend expertise (React/TypeScript) and experience growing engineering teams; strong architecture, code quality, and cross-functional collaboration.
React, TypeScript, JavaScript, CSS, npm, Storybook, Figma, Jest, Playwright, Cypress
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2mo
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Senior Full-Stack Engineer
Culver City or Linthicum or Allen or Woodcliff Lake or Chicago or Orlando or Baton Rouge or Waltham or Phoenix or Harrisburg or West Valley City or Austin or Alpharetta or San Diego or Indianapolis or Lexington or Parma or Little Rock or Asheville or Birmingham or Chantilly or Washington or Brentwood or Plantation or Fort Collins or San Mateo or Schaumburg or Brooklyn
$140k-$180k/yr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides safety and security technology for government and enterprise.
7+ YOE7+ years in software development; Bachelor's degree in CS/Engineering; backend (Node.js) and frontend (React) experience; API integrations; cloud and database experience.
Node.js, HapiJS, Python, JavaScript, React, SQL, Serverless, Lambda, CloudFormation, Elastic Beanstalk, EC2, VPC, DynamoDB, RDS, G Suite, Microsoft Graph, Okta, OneLogin, Slack, Linux, Docker, Datadog, CloudWatch, MQTT, log/data pipelines
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1w
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Web Application Developer Sr
Chantilly, Virginia, United States
OnsiteFull Time
AnaVation
AnaVation: Providing technical engineering and cybersecurity solutions for federal agencies.
8+ YOESenior Web Application Developer with 8+ years of software engineering experience; TS clearance with SCI eligibility; SAFe/Agile; secure gov environments; frontend and backend expertise.
Frontend frameworks (Angular, React), JavaScript, TypeScript, HTML5, CSS3, REST API, Bootstrap, Backend (.NET, Python, Node.js), Databases (MySQL, PostgreSQL, Microsoft SQL), Section 508 compliance, Web security, Performance optimization, GraphQL, Elasticsearch, RabbitMQ, Redis, Docker, Kubernetes, CI/CD, Cloud (AWS GovCloud), DevSecOps
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1w
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UX/UI Developer
Washington, District of Columbia, United States
OnsiteFull Time
Mobomo
Mobomo: Designs and develops custom software for government and enterprises.
3+ YOEMid-level UX/UI Developer proficient in React, HTML5, CSS3, and modern JavaScript with experience in micro-frontend architectures, state management, responsive design, and CI/CD.
React, Redux, HTML, CSS, JavaScript, Jest, React Testing Library, single-spa
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1mo
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Portal/React Developer
Middletown, Pennsylvania, United States
OnsiteFull Time, Contract
Data-Core Systems
Data-Core Systems: Provides IT consulting, software development, and business process services.
1+ YOEFrontend developer with React.js experience; proficient in JavaScript/TypeScript, HTML5, CSS3; REST/GraphQL APIs; CI/CD; unit/integration testing; Agile environment; Bachelor's preferred.
React.js, JavaScript, TypeScript, HTML5, CSS3, REST, GraphQL, Git, Jest, React Testing Library, Cypress, GitHub Actions, Vite
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1w
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Full Stack AI Developer
Arlington, Virginia, United States
$95k-$115k/yr HybridFull Time
Enterprise Knowledge
Enterprise Knowledge: Strategic consulting for enterprise knowledge and information management.
1+ YOEFull Stack AI Developer with 1-3 years software development, backend Python and frontend React/JS, AI/NLP, RAG pipelines, SQL, Git, Agile.
Python, Java, JavaScript, TypeScript, React, SQL, Git, Docker, AWS, Azure, GCP, LangChain
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1w
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Summer Intern, Site Engineering
Washington, District of Columbia, United States
OnsiteInternship, Full Time
The Washington Post
The Washington Post: Provides daily newspaper publishing and digital news reporting services.
0+ YOEPursuing a degree; experience with React, CSS, JavaScript, Python; frontend and backend interest; collaborative; on-site summer internship in DC.
React, CSS, JavaScript, Python, NodeJS
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2mo
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Full-Stack JAVA/REACT JS Developer
Arlington, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides expertise and technology for US government national security missions.
5+ YOEActive Secret clearance, BS in Engineering/Physics/CS/Info Sys, 5+ years dev experience, frontend ReactJS/Angular, backend Java (J2EE), REST APIs, SQL databases, Git, Azure DevOps, DevOps pipelines, strong debugging and teamwork.
Java, JavaScript, React, AJAX, Angular, HTML, CSS, J2EE, Servlet, JSP, MS SQL, Oracle, REST, Git, Azure DevOps, Fortify
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HiringCafe market data

Frontend Javascript Software Engineer Jobs market signals in Leonardtown, MD, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
34
Hiring companies
28
Fresh sample
44% new in 30d
Salary visibility
65% show pay

Companies appearing in this market

Booz Allen HamiltonAmentumCydecorAnaVationCACIData-Core SystemsDev Technology GroupDoorDash

Work location mix in visible results

Onsite: 19Hybrid: 14Remote: 1