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  • Senior Software Engineer

    $107.9k - $195.05k

     ...HTML, CSS, JSON, Ajax, and REST APIso Object-oriented Programming: Python, Java, or JavaScripto Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelteo Cloud Development: AWS, Azure, or similar cloud platformso... 
    React
    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    1 day ago

  • Software Engineer SME

    $131.3k - $237.35k

     ...JSON, and REST APIsObject-oriented Programming: Python, Java, and JavaScriptAdvanced Programming: GoFront-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.Cloud Development:Multi-cloud architectures: AWS, IBM,... 
    React
    Full time
    Contract work
    For contractors

    Leidos

    Gaithersburg, MD
    2 days ago

  • Mid-Level Software Engineer

    $87.1k - $157.45k

     ...applications using technologies such as Docker, Kubernetes, and AWS.Develop RESTful APIs and user-facing interfaces with modern tools (e.g., React, Node.js, Flask or Sprint Boot).Collaborate with mission users and product managers to refine requirements and improve user... 
    React
    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    4 days ago

  • FS Mid-Level Developer - Front End

     ...stack position with a strong front-end emphasis: the ideal candidate will design and build modern, responsive user interfaces using React or Vue.js that put intelligent document processing in the hands of end users, while also developing the scalable backend services that... 
    React
    Contract work
    Work at office

    Software Guidance & Assistance

    Rockville, MD
    1 day ago

  • Mid-Level Software Engineer

    $110k - $140k

     ...and maintain secure containerized applications using Docker, Kubernetes, and AWS. Develop RESTful APIs and web interfaces using React, Node.js, Flask, or Spring Boot. Collaborate with mission users to refine requirements and enhance system usability. Support DevSecOps... 
    React
    Full time
    Shift work

    Ennoble First, Inc.

    Gaithersburg, MD
    5 days ago

  • Senior Software Engineer

     ...maintain automated unit tests using JUnit, Mockito, and related testing frameworksIntegrate modern frontend technologies including React, JavaScript, HTML, and CSSSupport software architecture, technical design reviews, peer code reviews, and application performance optimizationUtilize... 
    React
    3 days per week

    ZP Group

    Gaithersburg, MD
    1 day ago

  • Senior Software Developer

    $107.9k - $195.05k

     ...substantial hands-on programming experienceExtensive experience with Web development and commonly used front-end tools and languages (React, HTML, CSS, JavaScript)Extensive experience with unit testing tools such as Junit and MockitoSignificant experience with RESTful API... 
    React
    Full time
    Remote work

    Leidos

    Gaithersburg, MD
    2 days ago

  • Senior Software Engineer (NodeJS/Angular/AWS)

     ...CI/CD pipelines, test automation, unit testing, and software security best practices. Nice to have: Frontend experience with React or Angular, GitLab CI/CD exposure, and experience with AI development tools such as Amazon Kiro or similar with strong validation practices... 
    React
    Work experience placement
    Remote work

    Eliassen Group

    Rockville, MD
    7 hours ago

  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...interfaces and user experiences.Proficiency with HTML, CSS, JavaScript/TypeScript, and Python.Experience with modern UI frameworks such as React, Angular, Vue.js, or Django.Demonstrated understanding of responsive design, component-based development, and modern front-end... 
    React
    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    1 day ago

  • Senior Software Engineer

     ...networkingInfrastructure as Code (Terraform/CloudFormation)Programming & DevelopmentPython, Node.js, Go, or similarJava Frontend applications (React, Angular, Vue.js) RESTful API design and microservices architectureCI/CD pipelines (GitLab exposure preferred)DatabasesSQL (... 
    React
    Full time
    Temporary work
    For contractors
    Work experience placement
    For subcontractor
    Local area
    Immediate start

    Financial Industry Regulatory Authority

    Rockville, MD
    4 days ago

  • Sr. Software Developer

    $107.9k - $195.05k

     ...such asTerraform or Ansible. Knowledge of messagebrokers such asKafka or RabbitMQ. Experience with front-end frameworks suchas React, Angular, or Vue.js. Familiarity withElasticsearch, Redis, orother enterprise technologies. Experience with securesoftware... 
    React
    Contract work
    Local area
    Immediate start

    Leidos

    Gaithersburg, MD
    5 days ago

  • Full Stack Software Engineer (TypeScript/Java/AI)

     ...PostgreSQL, SQL, MongoDB, and Spark SQL. Proficiency in Python for scripting, automation, and data processing. Frontend expertise with React, Angular, JavaScript, and TypeScript using component-driven architecture and modern best practices. Automated testing experience... 
    React
    Remote work

    Eliassen Group

    Rockville, MD
    7 hours ago

  • Senior Software Developer — Scrum Master

    $107.9k - $195.05k

     ...Spring SecurityExperience with unit testing frameworks such as JUnit and MockitoExperience with modern web front-end technologies (React, JavaScript, HTML, CSS)Significant experience with LinuxSignificant experience with version control systems such as GitExperience with... 
    React
    Full time
    Remote work
    Work from home

    Leidos

    Gaithersburg, MD
    1 day ago

  • Java Software Engineer - Scrum Master

    $87.1k - $157.45k

     ...-scale software development environmentSignificant experience with Web development and commonly used front-end tools and languages (React, HTML, CSS, JavaScript)Significant experience with unit testing tools such as Junit and MockitoExperience with RESTful API, JSON, XML... 
    React
    Full time
    Contract work
    Remote work

    Leidos

    Gaithersburg, MD
    4 days ago

  • Sr. Software Developer / Scrum Master - 176800

    $160k - $180k

     ...Spring Security experience.Microservices/APIs: Design and implementation of microservices and RESTful APIs; JSON, XML, XSD.Frontend: React, JavaScript, HTML, CSS.Testing: JUnit, Mockito, or equivalent unit testing frameworks.Linux & Git: Significant experience with both.... 
    React
    For contractors

    ZP Group

    Gaithersburg, MD
    1 day ago

  • Project Manager

    $112k - $124k

     ...tech stack including Microsoft Visual Studio 2022+, SQL Server 2019+, C#, Azure DevOps, and Git Nice to Have: Experience with React Native and Expo for mobile front-end development Knowledge of React.js or Vue.js frameworks Preferred Education and Experience... 
    React
    Work experience placement
    Remote work

    Blu Omega

    Rockville, MD
    2 days ago

  • Full Stack Engineer

     ...automation, and data processing Frontend Development Expert in building scalable, enterprise-grade web applications using Angular, React, and JavaScript Experience with component-driven architecture and modern frontend best practices Strong proficiency in... 
    React
    Contract work

    Software Guidance & Assistance, Inc. (SGA, Inc.)

    Rockville, MD
    1 day ago

  • Principal Product Engineer - Evinova

     ...given the role, you should be able to pick up almost any of it quickly.Cloud: AWS (primary) — architecture and infrastructureFront-end: React, TypeScript, Vite, Tailwind, shadcn/ui, BlockNote, NginxBack-end: Node.js, Next.js, Python, Kafka, FastAPI, Dramatiq + Valkey (task... 
    React
    Hourly pay
    Full time
    Temporary work
    Work at office
    Flexible hours
    3 days per week

    AstraZeneca

    Gaithersburg, MD
    4 days ago

  • Software Engineer

     ...within six months Programming & Development Proficiency in JavaScript (ES6+), TypeScript Strong front-end experience with React.js (preferred), Angular, or Vue.js HTML5, CSS3 (SASS/LESS) Server-side development using Node.js, Java, Python, PHP, or C#... 
    React

    Vets Hired

    Reston, VA
    4 days ago

  • Software Engineering Director - eCOA - Evinova

    $166k - $225k

     ...engineering teams (squads, chapters, or similar) while remaining hands-on with code.Deep proficiency in at least one of our core stacks: React/React Native (frontend), Node.js/Java (backend), AWS cloud services.Demonstrated ability to make sound architectural decisions... 
    React
    Full time
    Temporary work
    Work at office
    Remote work
    Worldwide
    3 days per week

    AstraZeneca

    Gaithersburg, MD
    3 days ago

  • Mid Level Software Engineer

     ...stack web applications end to end Strong front-end development skills with JavaScript/TypeScript and modern frameworks (Angular, React, or similar) Strong back-end development skills with Java and Spring Boot Hands-on expertise with RESTful API design and... 
    React
    Contract work

    Software Guidance & Assistance

    Rockville, MD
    3 days ago

  • Lead Systems Engineer - Product Owner

    $87.1k - $157.45k

     ...relationshipAbility to obtain SF-85 Public Trust suitability determinationUS CitizenshipPreferred QualificationsExperience with Java, Python, React, and scripting languagesKnowledge of AI-assisted development workflows and tools (i.e. Claude Code, Codex, etc.)Knowledge of... 
    React
    Full time
    Remote work

    Leidos

    Gaithersburg, MD
    1 day ago

  • Architect Manager

    $175k - $220k

     ...Infrastructure as code, and other modern technologies. Demonstrated expertise with JavaScript, Node.js, Java or Python, and frameworks such as React or VUE.js. Demonstrated experience of professional software engineering practices and the full software development life cycle,... 
    React
    Full time

    Bloomberg Industry Group

    Arlington, VA
    3 days ago

  • Full Stack Developer

     ...automation, and data processing. Frontend Development Expertise in building scalable, enterprise-grade web applications using React, Angular, and JavaScript. Experience with component-driven architecture and modern frontend best practices. Strong... 
    React
    Contract work

    Software Guidance & Assistance

    Rockville, MD
    4 days ago

  • Staff Software Development Engineer

    $106.61k - $284.28k

     ..., system architecture, and scalable applications. Frontend Expertise: Mastery of modern JavaScript/TypeScript frameworks (e.g., React, Angular, or Vue) and experience with complex state management and data visualization libraries (e.g., D3.js, Recharts, Highcharts).... 
    React
    Hourly pay
    Full time
    Temporary work
    Local area

    CVS Health

    Washington DC
    4 days ago

  • Systems Engineer

    $87.1k - $157.45k

     ...architecturesAbility to obtain SF-85 Public Trust suitability determinationUS CitizenshipPreferred QualificationsExperience with Java, Python, React, and scripting languagesKnowledge of AI-assisted development workflows and tools (i.e., Claude Code, Codex, etc.)Knowledge of... 
    React
    Full time
    Remote work

    Leidos

    Gaithersburg, MD
    1 day ago

  • Senior Systems Engineer/Product Owner - 176039 - 176432

    $150k - $170k

     ...Public Trust, FAA, Air Traffic Management, Air Traffic Control, Safety-Critical Systems, Technical Documentation, Verification & Validation, Government Programs, Java, Python, React, Federal Aviation, Mission-Critical Systems, Agile Development, Scrum, Systems Integration
    React
    Remote work

    ZP Group

    Gaithersburg, MD
    5 days ago

  • Software Architect

     ...and best practices   AWS Developer Professional certification Full-stack development experience including front-end frameworks (React, Angular, Vue.js), event-driven architectures, and messaging systems (SQS, SNS, Kafka) Operational expertise with Infrastructure... 
    React

    Innovative Solutions

    Washington DC
    17 days ago

  • Full Stack Engineer

     ...on experience with Nest.js/Node.js or a similar backend framework. ~ Hands-on experience with a JavaScript UI framework (Angular, React, or Vue). ~ Working knowledge of SQL, including writing queries and basic schema design. ~ Familiarity with CI/CD tooling; Azure... 
    React
    Flexible hours
    3 days per week

    Rohirrim

    McLean, VA
    3 days ago

  • Software Engineer V, AI Digital & Engineering Software

    $220k - $245k

     ...other duties as assigned by manager.Specialization TracksTrack A — Front-End & Full-StackDesign and implement user interfaces using React, TypeScript, Tailwind CSS, and Vite.Develop full-stack solutions connecting front-end interfaces to AWS backend services (Lambda, ECS... 
    React
    Full time
    Work at office

    X Energy

    Rockville, MD
    5 days ago