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  • TS/SCI Full-Stack Engineer | Cloud & APIs

     ...Systems is seeking a Mid-Level Full Stack Software Engineer to develop, test, and maintain software from requirements through production...  ...citizenship with TS/SCI clearance. You will develop backend services, APIs, data integrations, and frontend capabilities within established... 
    Suggested

    Castalia Systems

    Washington DC
    1 day ago

  • Senior API/Backend Engineer - TS/SCI Cleared

     ...Vantor is seeking an API/Java/Python Developer to join our Services team, working with U.S. Government customers to sustain and modernize a Program of Record for FMI data. The role focuses on building high-performance API-driven services and data pipelines in a secure... 
    Suggested

    Maxar Technologies

    Washington DC
    3 hours agonew

  • Full-Stack Engineer Backend APIs, Cloud & Web Apps

     ...Washington, DC is seeking a Mid-Level Full Stack Software Engineer to develop, test, and maintain software from requirements through...  ...software solutions. The role emphasizes building backend services, APIs, and web interfaces using Python/Java, React or Angular, and relational... 
    Suggested

    Castalia Systems

    Washington DC
    1 day ago

  • Mobile App Developer with API

     ...Key Responsibilities: Design, develop, and maintain mobile applications for Android and or iOS Build and integrate RESTful APIs and third-party services Ensure application performance, quality, and responsiveness Collaborate with backend developers, designers... 
    Suggested
    Full time

    Intelliswift - An LTTS Company

    Washington DC
    4 days ago

  • Full-Stack Engineer - Cloud, Microservices & APIs

     ...and advisory professionals to transform client technology platforms and enable end-to-end automation using microservices, cloud, and API-driven architectures. You’ll collaborate across teams, travel up to 50% as needed, and contribute to a flexible hybrid model with a focus... 
    Suggested
    Flexible hours

    EY

    Arlington, VA
    1 day ago

  • .NET Web Developer

    $55 - $62.5 per hour

     ...communities?AEEC, a Verdantas Company, is seeking a strong .NET Web Developer to support our Federal client in Washington, DC. This position...  ..., and front-end frameworksBuild and maintain RESTful APIs and backend services to support web applications and system integrationsCollaborate... 
    Suggested
    Part time
    Flexible hours

    Verdantas-1

    Washington DC
    2 days ago

  • Senior API/Java/Python Developer

     ...active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.Vantor has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for... 
    Suggested
    Permanent employment
    Full time

    Maxar Technologies

    Arlington, VA
    19 hours ago

  • Frontend Developer, Palantir

    $102.5k - $170.9k

     ...offering provides a full spectrum of solutions for designing, developing, and operating cutting-edge Data and AI platforms, products, insights...  ...Workshop, the Ontology, Object Views, Actions, and Foundry APIs or SDKs.Maven Smart System and other Palantir Foundry data-... 
    Suggested
    Local area

    Deloitte

    Rosslyn, VA
    2 days ago

  • Front End Developer

    Key ResponsibilitiesDesign, develop, and maintain modern, responsive, and accessible user interfaces for web applications using Vue, React, TypeScript, and related technologiesTranslate...  ...integrate front-end applications with RESTful APIs and GraphQL servicesImplement and maintain... 
    Suggested
    Full time
    Work at office
    Monday to Friday

    Vanda Pharmaceuticals

    Washington DC
    19 hours ago

  • DSCA Full Stack Front-End Developer Mid (Software Development Analyst) - 30392

    $110k - $135k

     ...Technologies! We are seeking a Full Stack Front-End Developer Mid-level (Software Development Analyst)...  ..., develop, and modernize enterprise web applications with a strong emphasis on...  ...SharePoint Framework (SPFx), SharePoint APIs, Microsoft Graph API, Power Apps, and... 
    Suggested
    Full time
    Work at office
    Local area
    Work from home
    Worldwide
    Home office

    HII Mission Technologies Division

    Arlington, VA
    19 hours ago

  • Senior Full-Stack Engineer, Workflows & APIs (Hybrid)

    ZoomInfo Technologies LLC is seeking a Senior Full Stack Software Engineer on the Workflows team to rebuild a high-scale platform, focusing on backend services while contributing across the stack. You will partner with product, design, and platform teams with ownership...
    Suggested

    ZoomInfo Technologies LLC

    Bethesda, MD
    4 hours agonew

  • Senior Full-Stack Engineer (TS/SCI) Cloud & APIs

     ...Nalley Consulting is seeking a Full Stack Software Engineer to develop, integrate, test, and maintain software capabilities from requirements through production delivery at the DIA HQ in Washington, DC. You will work across the technology stack with engineers, architects... 
    Suggested

    NALLEY CONSULTING, LLC

    Washington DC
    3 days ago

  • Software Engineer III -Frontend Software Engineer

    $112k - $176k

     ...scoped frontend architecture and executionContribute to backend REST APIs and services as needed to support new features, owning the...  ...of relevant software engineering experience building production web applications, with React, Angular, or Vue as your primary disciplineStrong... 
    Suggested
    Contract work

    ZoomInfo

    Bethesda, MD
    3 days ago

  • Full-Stack Developer: AWS, Microservices & Secure APIs

     ...Oasys International LLC (Oasys) seeks an experienced Full Stack Developer to guide a development team in adopting new tools, improving architectures, and mentoring peers. You will design, build, and modernize secure, scalable applications hosted on AWS, spanning architecture... 
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    Automatic Data Processing

    Washington DC
    2 days ago

  • .NET Full Stack Developer (AI)

     ...Job Title- .NET Full Stack Developer (AI) Location- Redmond, WA(Onsite) Job Type- Full time...  ...using .NET technologies and modern web frameworks. # Design and develop scalable...  ...Entity Framework, React/Angular, and REST APIs. # Participate in application architecture... 
    Suggested
    Full time

    Programmers.io

    Washington DC
    4 days ago

  • Java API Developer

     ...Job Description Job Description Job Title: Java API Developer Location: Dallas, TX Duration: Long Term Job Description: Description for Internal Candidates: Software Engineer - Microservices & Real-time Systems (Java/Spring Boot/AWS) The Role: We are... 

    PeopleNTech LLC

    Alexandria, VA
    8 days ago

  • Mobile/Web Developer (.Net)

    $97.95k - $139.92k

     ...Position Title: Mobile/Web Developer (.Net) City: Tysons (McLean) State: VA Country: US Type: 4 (Exempt...  ...cross-browser compatibility/development, and RESTful Services and APIs are all a definite plus. Experience using automation and... 
    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours

    Air Line Pilots Association

    Laurel, MD
    1 day ago

  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...for someone who is more than a front-end developer. You are passionate about how technology...  ...professional experience developing modern web-based user interfaces and user experiences...  ...developing or consuming RESTful APIs and integrating UI applications with backend... 
    Full time
    Contract work

    Leidos

    Alexandria, VA
    3 days ago

  • UI/UX & Frontend Developer

    $121k - $148k

     ...is seeking highly skilled UI/UX & Frontend Developer to work across teams to design and implement...  ...JavaScript/TypeScript, React, or related web technologies. Collaborate with backend developers to align UI components with API capabilities. Support usability testing, analyze... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    2 days ago

  • UX/UI Developer

    $70 - $80 per hour

    DescriptionThe UI/UX & Frontend Developer will work across teams to design and implement intuitive...  ...JavaScript/TypeScript, React, or related web technologies.Collaborate with backend developers to align UI components with API capabilities.Support usability testing, analyze... 
    Contract work
    Temporary work

    TEKsystems

    Washington DC
    4 days ago

  • Senior Salesforce Developer APIs, LWC & Integrations

     ...ISN Corporation in Bethesda, MD seeks a Senior Salesforce Developer to build and maintain custom Salesforce applications and APIs for federal programs. This hands-on role focuses on Apex and LWC, production support, and secure, scalable designs with direct impact on national... 

    Information-Systems-and-Networks-Corporation

    Bethesda, MD
    2 days ago

  • .NET & REACT Full Stack Developer, Senior

    $131k - $145k

     ...Corporation is seeking a .NET & REACT Full Stack Developer. As a .NET/React Full Stack Developer,...  ...in the development and maintenance of web applications and services. You will be...  ...and design/ architectural patterns (e.g. APIs with Dependency Injection) Experienced with... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    2 days ago

  • Full-Stack Java Developer

    $110k - $136k

     ...Technica Corporation is seeking highly skilled Full Stack Java Developer to be a part of an agile software development team and integral...  ...scrum ceremonies.  This role will design and implement backed APIs using Java and Spring Boot, design and build secure and responsive... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    2 days ago

  • Part-Time .NET Web Developer | Flexible Environment

     ...Verdantas is seeking a strong .NET Web Developer to support our Federal client in Washington, DC. This part‑time role (≈30 hours/week) requires...  ...using Microsoft technologies. You will build RESTful APIs, ensure performance and security, and collaborate with cross‑functional... 
    Part time
    Flexible hours

    Verdantas

    Washington DC
    3 days ago

  • Oracle Fusion Integration / API Developer

     ...Job Description We are seeking an Oracle Fusion Integration / API Developer to join our dynamic team. The ideal candidate will have strong...  ...enterprise integration platform. Proficiency with REST APIs, SOAP web services, XML, JSON, mappings, transformations, orchestration,... 
    Full time

    BCforward

    Washington DC
    1 day ago

  • Senior Frontend Engineer

     ...platform is designed end to end. You care deeply about Developer Experience, have a strong command of RESTful APIs and testing frameworks, and bring a real sense of...  ..., and icon assets. Support offline Progressive Web App mode for Disconnected Operations Help define... 
    Local area

    VueToronto

    Washington DC
    3 hours agonew

  • Senior Front-End Developer (Leaning Full Stack)

     ...Senior Front-End Developer (Leaning Full Stack) Advanced Resource Technologies Senior...  ...developing intuitive, responsive, and scalable web applications that enable users to...  ...Collaborate with backend engineers to define APIs and implement seamless integrations with... 
    Full time
    Immediate start

    Team Arti

    Washington DC
    4 days ago

  • Frontend Developer

     ...Workplaces honoree, is seeking a Frontend Developer to join our team. The ideal candidate...  ...performance user interfaces for Federal Government web applications. This role requires strong...  ...frontend applications with backend APIs and data services.Conduct cross-browser and... 
    Full time
    Contract work

    Spatial Front

    Arlington, VA
    2 days ago

  • Front-End Developer Role

     ...Front-End DeveloperFront-End Developers build the browser experience people use to understand...  ...structure state and data flow, integrate APIs, handle loading and failure states, protect...  ...and API integration.Working knowledge of Web Content Accessibility Guidelines (WCAG),... 

    OpenDataJobs

    Washington DC
    2 days ago

  • Web Developer

    $105k - $170k

     ...Web DeveloperClearance: US Citizenship required. Location: Washington, DC Metro Area (VA...  ...applications and portals supporting mission users.Develop front-end interfaces using modern...  ...Angular, or similar) and back-end services/APIs.Ensure applications meet accessibility (Section... 
    Relocation

    Finch AI

    Washington DC
    2 days ago