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  • 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
    2 days ago

  • API Platform Engineer

     ...Key Responsibilities Lead API platform modernization, upgrades, and enhancement initiatives across cloud environments. Design, develop, maintain, and optimize RESTful APIs and application integrations. Build and support serverless and containerized applications... 
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    Contract work

    PB consulting

    Washington DC
    12 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... 
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    Permanent employment
    Full time

    Maxar Technologies

    Arlington, VA
    3 days ago

  • API/Java/Python Developer, SME TS Clearance REQUIRED

    $88.2k - $190.9k

    API/Java/Python Developer, SME TS Clearance REQUIRED Position Description Position Description CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology... 
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    Local area
    Arlington, VA
    more than 2 months ago

  • Senior Oracle Integration & API Engineer

    $114.6k - $252.1k

    Job Title: Senior Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required...  ...in Reston as business needs arise.Responsibilities:Design, develop, and maintain integration interfaces between Oracle Fusion Cloud... 
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    CACI International

    Reston, VA
    2 days ago

  • Oracle Integration & API Engineer

    $114.6k - $252.1k

    Job Title: Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start...  ...in Reston as business needs arise.Responsibilities:Design, develop, and maintain integrations between Oracle Fusion Cloud HCM and federal... 
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    CACI International

    Reston, VA
    2 days ago

  • Hybrid Cloud DevOps & API Engineer

    Capgemini Government Solutions seeks a DevOps/API Developer to design, build, and maintain CI/CD pipelines and secure RESTful APIs across on-prem and gov cloud (AWS/Azure). You will bridge development and IT operations to automate workflows, ensure reliability, and accelerate... 
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    Capgemini Government Solutions

    Mc Lean, VA
    4 hours agonew

  • Mid-Level Software Developer

     ...have a Bachelor's degree with 3 years of experienceExperienced Software Developer:At least 3 years in Java or similar object-oriented programming languageExperience working with Spring Boot REST APIs and SOAP web servicesExperience with HTML front-end development and... 
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    Temporary work
    Work at office
    Remote work

    Fusion Technology

    Washington DC
    4 days ago

  • SME Oracle APEX Developer

     ...experience in: Oracle APEX 21+ Oracle Database, SQL & PL/SQL JavaScript, jQuery, AJAX, HTML & CSS Oracle SQL Developer / Toad REST APIs and Web Services JSON, XMLType, BLOBs & CLOBs Oracle Forms & Reports / Forms-to-APEX migration BI Publisher and... 
    Suggested
    Full time

    Mastech

    Washington DC
    4 days ago

  • Sr. Cross-Platform Mobile Developer I (6800)

    $170k - $216k

    As a Sr. Mobile Developer (Cross-Platform), you’ll design, build, and sustain secure iOS and Android applications with the goal of delivering...  ...backend services and application logic integrating REST APIs, SQL databases, and enterprise systems, using PostgreSQL, Microsoft... 
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    Full time
    Local area
    Immediate start

    MetroStar Systems

    Washington DC
    1 day ago

  • Salesforce Marketing Cloud Developer

    $52.4 - $65 per hour

     ...We are seeking an experienced Salesforce Marketing Cloud Developer with 6-8 years of hands-on experience designing, implementing,...  ...Integrate Salesforce Marketing Cloud with enterprise platforms using APIs and data connectors. Configure and manage Marketing Cloud... 
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    Live in
    Immediate start
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    Robert Half

    Washington DC
    16 hours ago

  • DSCA Senior Front-End Full-Stack/Platform Engineer (Software Development Analyst) - 30710

    $150k - $165k

     ...Technologies! We are seeking an experienced Senior Front-End Full‑Stack Developer / Platform Engineer (React & TypeScript) to support the Defense...  ...craft modern user experiences that integrate with enterprise APIs, data services, and AI‑enabled capabilities; work... 
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    Full time
    Work at office
    Local area
    Remote work
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    Worldwide
    Home office

    HII Mission Technologies Division

    Arlington, VA
    1 day ago

  • IRS CAS (Sr. Full Stack Developer/Platform Engineer) -PBBA

    IRS CAS (Sr. Full Stack Developer/Platform Engineer)Job Overview:Customer: Internal Revenue Services (IRS) Location: Remote, with occasional...  ....Required ExperienceSoftware engineering experienceEnterprise API developmentJavaSpring BootREST and SOAP web servicesIBM webMethodsEnterprise... 
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    Worldwide
    Relocation package

    Constellation West

    Washington DC
    1 day ago

  • Senior Full Stack UX/UI Developer

    $70 - $75 per hour

     ...Certifications Needed :No Top 3 responsibilities you would expect the Subcon to shoulder and execute Develop Customer 360 Customer Journey web interfaces Build APIs and integrations with Azure Databricks Ensure application performance, security, scalability... 
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    Long Finch Technologies

    Washington DC
    7 days ago

  • Oracle Applications Forward Deployed Engineer - GPS

    $134.5k - $265.1k

     ...engagement success.Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating...  ..., and PeopleSoft through Oracle Integration Cloud (OIC), REST APIs, Business Events, Visual Builder, Process Automation, and custom... 
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    Local area

    Deloitte

    Rosslyn, VA
    3 days ago

  • .NET Full Stack Developer (AI)

     ...Job Title- .NET Full Stack Developer (AI) Location- Redmond, WA(Onsite) Job Type- Full time Experience Req-10+ Years Primary...  ...C#, ASP.NET MVC, Entity Framework, React/Angular, and REST APIs. # Participate in application architecture, technical design... 
    Full time

    Programmers.io

    Washington DC
    2 days ago

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

    $110k - $135k

     ...HII-Mission Technologies! We are seeking a Full Stack Front-End Developer Mid-level (Software Development Analyst) to support the Defense...  ...integrations with SharePoint Framework (SPFx), SharePoint APIs, Microsoft Graph API, Power Apps, and Power Automate.Design and... 
    Full time
    Work at office
    Local area
    Work from home
    Worldwide
    Home office

    HII Mission Technologies Division

    Arlington, VA
    3 days ago

  • API Developer with Core Banking Environment --- Locals Only --- Hybrid role ---- No Third Parties

    $75 - $85 per hour

     ...Sharma || (***) ***-**** shaily(at)zilliontechnologies(dot)com API Integration Engineer with Core Banking Environment Location -...  ...insurance; 401(k) We are looking for a Senior API Developer who is well verse in Core Banking APIs. Experience with Oracle Core... 
    Hourly pay
    Local area
    Remote work

    Zillion Technologies, Inc.

    Vienna, VA
    2 days ago

  • .NET & REACT Full Stack Developer, Senior

    $131k - $145k

    Responsibilities Technica Corporation is seeking a .NET & REACT Full Stack Developer. As a .NET/React Full Stack Developer, you will play a critical...  ...Framework, SQL Server and design/ architectural patterns (e.g. APIs with Dependency Injection) Experienced with .NET languages (e.g... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    16 hours ago

  • SAP PI/PO Integration Developer - APIs & S/4HANA

     ...Blue Rose Consulting Group is seeking a Junior SAP Integration Developer to support the Defense Commissary Agency (DeCA). The Junior SAP...  ...solutions. This role will use SAP PI/PO, SAP S/4HANA, and modern API frameworks to enable system-to-system communication, data exchange... 
    For contractors
    Remote work

    Blue Rose Consulting Group, Inc.

    Arlington, VA
    5 hours agonew

  • Principal Developer Platform Engineer - Financial Cloud

     ...About the Role You will be a core builder of the Financial Cloud developer platform — implementing the CI/CD pipelines, GitOps automation,...  ...graph database: ingest static dependencies (code imports, API contracts, schema references) + runtime dependencies (service mesh... 
    Full time
    Remote work

    ByLabs

    Washington DC
    2 days ago

  • Mobile Software Engineer, Architecture & Core Platform

    $98.8k - $164.6k

     ...third-party SDKs, revenue systems, and analytics vendors.Partner with product, backend, and feature teams to establish standardized API contracts, networking patterns, data persistence schemes, and caching strategies.Lead architectural design discussions, author RFCs,... 
    Full time
    Contract work
    Part time

    Washington Post

    Washington DC
    3 days ago

  • AI + .NET Full Stack Developer (SharePoint) — Legacy Modernization & Cloud Migration

    $100k - $135k

     ...Overview We're looking for a senior, hands-on .NET Full Stack Developer to lead three concurrent modernization initiatives: enterprise...  ...logic into modular, high-performance modern .NET (NET 8+) APIs with React frontends. Responsibilities To be direct:... 
    Full time
    Work experience placement
    Immediate start
    Remote work
    Relocation
    Visa sponsorship
    Work visa

    Brxio Inc

    Washington DC
    1 day ago

  • Data Platform Engineer - AI

     ...with strong expertise in Azure Data Engineering, backend services, APIs, analytics, and cloud architecture. The candidate will design,...  ...data platforms, ETL/ELT pipelines, and analytical solutions. Develop large-scale data processing using Azure Databricks, Spark/... 
    Full time

    Programmers.io

    Washington DC
    2 days ago

  • Data Platform Engineer with AI Experience

    $90k - $95k

     ...hands-on Technical Lead – Data Platform & Services Engineering with strong expertise in Azure Data Engineering, backend services, APIs, analytics, and cloud architecture . The role involves designing, building, modernizing, and operating enterprise-scale data... 
    Full time

    AppLab Systems, Inc

    Washington DC
    16 hours ago

  • CMS Full Stack Developer (cloud certified)

     ...focus on design thinking and digital transformation.As a Full Stack Developer you will use your exceptional web development skills and...  ...developing custom Drupal modules;2+ years of experience with REST API integrations;Experience with SDLC and version control systems (e... 
    Contract work

    Insomniac Design

    Washington DC
    3 days ago

  • Lead Engineer - Platform

    $114.6k - $252.1k

     ...for AI applications, pilot implementations, and enterprise capabilities including compute, storage, networking, identity management, API management, and service integration patterns Support configuration of access controls, role-based permissions, identity integration (... 
    Contract work
    Work experience placement
    Work at office
    Flexible hours

    CACI International

    Washington DC
    4 days ago

  • Full-Stack Cloud Developer

    $98k - $163k

     ...SupportTravel Required:Up to 10%Clearance Required:Ability to Obtain Public TrustWhat You Will Do:Design, develop, and test full‑stack components, including enterprise web service APIs, backend services, and user interfaces that consume REST APIsThis role involves building... 
    Full time
    Remote work
    Flexible hours

    Guidehouse

    Arlington, VA
    4 days ago

  • .Net Developer III

     ...Systems or Master’s degree. • Minimum 7 years of experience • The developer should have a strong understanding of .Net/Node and its core...  ...of .Net/Node.js is essential for integrating the with backend APIs/services. The developer should be expert in using .Net/Node.js... 
    Contract work
    Local area

    Cedent Consulting

    Washington DC
    16 hours ago

  • Lead Product Forward Deployed Engineer (pFDE) - Products & Platforms

    $105.4k - $207.8k

     ...innovative mindset to join the Converge for FSI team in our mission to develop differentiated financial services products that achieve product-...  ...with microservices design principles: service decomposition, API design, resiliency patterns, observabilityExperience working... 
    Work at office
    Local area

    Deloitte

    Rosslyn, VA
    16 hours ago