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  • Backend API Developer, Junior

    $80k - $120k

     ...Blu Omega is seeking a Junior Backend API Developer to join their team in building the enterprise data layer for the National Weather Service...  ...hands-on experience in FastAPI Familiarity with RESTful web services and source control management tools like Git Experience... 
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    Blu Omega

    Silver Spring, MD
    19 hours ago

  • Backend Developer (High-Scale WordPress & API)

     ...Job Announcement Backend Developer (High-Scale WordPress & API) (US or MENA Region) The Middle East Broadcasting Networks, Inc. (MBN) is seeking...  ...and application architecture. Solid understanding of web technologies including REST, AJAX, and JSON. Proven... 
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    Flexible hours

    Middle East Broadcasting Networks

    Arlington, VA
    20 hours ago

  • Full Stack Developer API AIML

     ...Job Description Job Description We’re seeking a Full Stack Developer with AI/ML and API experience to build and enhance modern applications, APIs, chatbot features, and user‐focused workflows. You’ll support integration efforts, testing, and UI/UX improvements while... 
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    Azulo LLC

    Washington DC
    4 days ago

  • Backend/API Engineer - Node.js - Onshore

    $44k

     ...API & Backend Development Design, develop, and maintain RESTful and/or GraphQL APIs using Node.js. Build scalable, secure, and performant backend services and microservices. Integrate third-party systems, internal services, and databases. Use best practices... 
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    Photon

    Washington DC
    4 days ago

  • Backend Software Engineer — High-Impact, Scalable APIs

     ...firm located in Gaithersburg, MD, is seeking a Backend Software Engineer to design and develop scalable backend services. The role requires strong expertise in Java or Python, RESTful API development, and SQL. You'll work in a collaborative environment supporting high-... 
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    Leidos

    Gaithersburg, MD
    4 days ago

  • Low-Latency Backend Engineer: Target Tracking & APIs

     ...candidate, active, timeout, split/merge) Build and maintain REST APIs with strict latency SLOs (sub-20ms update paths) Implement persistent storage using MySQL and long-term archival in ClickHouse Develop composite fingerprint matching algorithms with policy-weighted... 
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    Digital Global Systems Inc

    Mc Lean, VA
    4 days ago

  • Platform Backend Engineer: Scale APIs & TTS at Global Scale

    $140k - $200k

    Clutch Canada, based in Washington, is seeking a Backend Developer with proven experience in TS/Node to design and maintain robust APIs. This remote role requires collaboration with cross-functional teams and a focus on user experience. The ideal candidate will have experience... 
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    Clutch Canada

    Washington DC
    3 days ago

  • Backend Engineer for Scalable Go/Python APIs

    $130k - $165k

    Axios is seeking a Software Engineer in Washington, DC to develop high-quality services leveraging Golang and Python. The role involves designing scalable REST APIs, ensuring service reliability, and collaborating with diverse teams to enhance Axios' systems. Candidates... 
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    Axios

    Washington DC
    5 days ago

  • Sr. Software Developer (Frontend Developer)

     ...Sr. Software Developer (Frontend Developer) Location: Rockville, MD (Hybrid - one day per week on Fridays) (Only local...  ...Duration: 6 months C2H Responsibilities Develop Web Applications using REST APIs, Modern JavaScript Frameworks (e.g., jQuery, Angular, React... 
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    1 day per week

    Sparktek

    Rockville, MD
    1 day ago

  • Web Application / API Services Developer - Senior Level (FI3)

     ...Job Description Job Description Web Application / API Services Developer – Senior Level (FI3) Job Description: Are you opinionated on what it takes to create great software AND great teams? Are you interested in using your experience to help others grow in... 
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    Trinity ES LLC

    Herndon, VA
    13 days ago

  • Remote Mission Success & API Solutions Engineer

     ...Success Engineer to bridge customers and the engineering team. This remote role involves designing custom API integrations, providing technical support, and developing documentation. Ideal candidates have a degree in Computer Science or Engineering and over 5 years of... 
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    Motion Recruitment

    Alexandria, VA
    4 days ago

  • Staff Backend Engineer - Remote, API & Systems Architect

    $125k - $145k

     ...and communicate effectively with various stakeholders. Ideal candidates will have significant engineering experience, particularly in API integration. Benefits include company-subsidized health insurance, flexible PTO, and a 401K matching program. The expected salary... 
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    Ad Hoc LLC

    Silver Spring, MD
    5 days ago

  • Systems Integrator (API/Mulesoft SME)

     ...responsible for designing, implementing, and maintaining integration solutions using MuleSoft and API management technologies. You will work with both business and technical teams to develop strategies for integrating disparate systems and applications, ensuring data flows... 
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    Apex Systems

    Washington DC
    3 days ago

  • Jr. Full Stack Developer (Java/Python/SQL)

     ...Junior Full Stack Developer Software Guidance & Assistance, Inc. (SGA) is searching for a Junior Full Stack Developer for a contract...  ...stack applications, including backend services, databases, APIs, and web-based user interfaces. This role will also leverage AI-... 
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    SGA

    Rockville, MD
    1 day ago

  • Java API Engineer

     ...experience with designing and building large scale web and back office applications 5+ years of experience developing web services (REST) on Java frameworks such as...  ...Spring Batch) Experience building modern REST APIs in Java EE container hosted applications (Jetty,... 
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    Software Technology Inc

    Washington DC
    1 day ago

  • Sr Full Stack Software Engineer

    $135,000 per week

    At Lockheed Martin, we are committed to pioneering innovations in aerospace and defense. As a Sr Full Stack Software Engineer, you will lead the development and integration of cutting-edge software solutions that support both national security and technological advancement...

    Lockheed Martin

    Olney, MD
    11 days ago

  • Java API Developer

     ...Java SpringBoot Microservices REST API Cloud Kubernetes - Containerization Preferred Skills/Experience 10+ years of progressive...  ...architecture, application design, expertise in Java/Java EE and web-based applications and services. 5+ years of experience/expertise... 

    Software Technology Inc

    Washington DC
    1 day ago

  • Senior Front-End Engineer — React, AI Tools, Hybrid

    $110k - $130k

     ...will collaborate with UX designers and back-end engineers to build scalable React.js applications. Responsibilities include developing RESTful APIs and ensuring high-quality front-end solutions. Candidates must possess a relevant bachelor's degree and at least 3 years of... 

    Essential Software Inc

    Rockville, MD
    2 days ago

  • Senior Full Stack Engineer

    $73 - $78 per hour

     ...capabilities and testing scenarios, delivering effective solutions. Develop and optimize API platforms to serve big data with high performance,...  .../TypeScript, or SQL. ~2+ years of experience developing Web UI using frameworks like jQuery, AngularJS, or similar. ~3... 
    Weekly pay
    Temporary work
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    Experis/Manpower Group

    Rockville, MD
    2 days ago

  • Senior Full Stack Developer

     ...Senior Full Stack Developer Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Full Stack Developer for a contract...  ...-end interfaces using Angular or Vue.js Develop RESTful APIs and microservices using Java (Spring Boot) and Python-based frameworks... 
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    SGA

    Rockville, MD
    1 day ago

  • Senior Full Stack Web Developer

    $101.4k - $154.65k

     ...SUMMARY: This position leads enterprise web architecture initiatives on Sitecore XM...  ...Cloud environments and Experience Edge * Develop custom Sitecore components and rendering logic...  ...workflows * Integrate with Sitecore APIs (GraphQL, REST, Layout Service) * Support... 
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    Flexible hours

    Meso Scale Discovery

    Rockville, MD
    4 days ago

  • Full Stack Developer

     ...Full Stack Developer Employment Type: Full Time, Mid-level CGS is seeking an experienced...  ..., resourceful, and inventive Full Stack Web Developer to join our team. This role...  ...developing content rich web applications, APIs, services and scripts. ~ Experience working... 
    Full time
    Flexible hours

    Contact Government Services LLC

    Rockville, MD
    5 days ago

  • Sr Full Stack Software Engineer - Clearance Required

     ...full-stack java software development in support of the Data Transformation Solutions (DTS) TTO. • You will be responsible for developing the middle tier to backend data storage, along with ETL (Extract, Transform, Load) development support. • You will contribute to... 
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    Lockheed Martin

    Derwood, MD
    55 minutes ago

  • Mobile UI Developer - Sr.

     ...Ex bank Only All Visa Job Role: Mobile UI Developer - Sr. Location: McLean, VA / Richmond, VA / Chicago, IL (Hybrid) Openings...  ..., having expertise in Swift/Objective-C, XCode, Networking /API Integration, Test Automation, Git/ version control and Agile Mobile... 

    RIT Solutions, Inc.

    McLean, VA
    4 days ago

  • Full Stack Engineer

     ...Senior Full-Stack Developer (W2 Only) Location: DMV Area (DC, Maryland, Virginia) – Local Candidates Only Employment Type: W2 Contract...  .... Build and maintain backend services using TypeScript and API Gateway integrations. Design scalable and maintainable enterprise... 
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    HireTalent - Staffing & Recruiting Firm

    Rockville, MD
    55 minutes ago

  • Frontend Web Developer

     ...Job Description Description We're seeking a Frontend Web Developer with an active TS/SCI to build engaging, responsive, and accessible...  ...Experience consuming and integrating RESTful or GraphQL APIs Proficiency with Git and modern version control workflows (... 

    LT Consulting

    Reston, VA
    20 days ago

  • Search Backend Engineer Remote

     ...development experience. Key Responsibilities : Design, develop and maintain search platforms using SolrCloud Build and optimize...  ..., and relevance tuning Implement and maintain search APIs and services using Java and Sprin Boot Design and evolve schemas... 
    Remote job
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    Progressive Technology Federal Systems

    Rockville, MD
    9 days ago

  • Front End Web Developer at Mondo McLean, VA

    $90k - $110k

    Front End Web Developer job at Mondo. McLean, VA. Apply now: Front End Web Developer, location is Hybrid (McLean, VA). The start date is...  ...HTML, CSS, and JavaScript expertise Experience with RESTful APIs Familiarity with web animation frameworks (Motion, Anime.js,... 
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    Immediate start

    Itlearn360

    Mc Lean, VA
    1 day ago

  • Junior Web Developer

    $65k - $70k

     ...thrive with us! JOB PURPOSE: The Junior Web Developer will serve as a member of the Web Development Team of the Office...  ...with cache optimization and creating and configuring APIs ~ Experience with Google Optimize to configure and implement... 
    Work experience placement
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    Howard University

    Washington DC
    2 days ago

  • Mobile/Web Developer (.Net)

    $96.03k - $137.18k

    External Description Mobile/Web Developer (.Net) The Air Line Pilots Association, International (ALPA), the largest airline pilot union in...  ...-browser compatibility/development, and RESTful Services and APIs are all a definite plus. Experience using automation and web... 
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    Relocation
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    Air Line Pilots Association

    Mc Lean, VA
    5 days ago