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  • Senior API Java Python Developer

    $185k

    Vantor is seeking a Senior API/Java/Python Developer to design and build secure, scalable backend services and integrations for modern web and data‑driven solutions. You’ll architect and implement RESTful APIs, develop microservices in Java and Python, and integrate with... 
    Suggested

    Vantor

    Arlington, VA
    1 day ago

  • Senior API/Java/Python Developer (TS/SCI with CI Poly)

    $170k - $210k

     ...Polygraph. Vantor has an exciting opportunity for a Backend Developer within our Intel sector advancing the national security mission...  ...design, development, and maintenance of software applications and APIs using Java and Python programming languages. This role often... 
    Suggested

    Vantor

    Arlington, VA
    1 day 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... 
    Suggested
    Local area
    Arlington, VA
    more than 2 months ago

  • Senior Lead Software Engineer - API Marketplace

    $61k - $101k

     ...with state management libraries such as Zustand, Redux, or Context API. Preferred: knowledge of build automation tools such as Maven...  ...firmwide frameworks and best practices across the SDLC. We develop secure, high-quality production code and review or debug code... 
    Suggested
    Full time
    For contractors

    J.P. Morgan

    Washington DC
    2 days ago

  • Senior Platform Engineer -- Enterprise API Gateway

     ...Description POSITION OVERVIEW The Senior Platform Engineer stands up, automates, and sustains the infrastructure the Customer's enterprise API gateway runs on. The role covers container platform engineering, infrastructure-as-code, deployment automation, and the observability... 
    Suggested
    For contractors

    BaseCamp Consulting & Solutions

    Reston, VA
    a month ago

  • Lead Java Cloud Engineer (AWS, EKS, APIs & API Management)

     ...Description Job Description Lead Java Cloud Engineer (AWS/API Development) Location: Reston, VA (Hybrid - 1 day onsite per...  ...Lead Java Cloud Engineer with strong experience designing and developing enterprise-level APIs in cloud environments. This role focuses... 
    Suggested
    Contract work
    1 day per week

    System One

    Reston, VA
    a month ago

  • Full-stack Engineer 5 (GraphDB & API Platform) (Enterprise Platforms Technology)

    $209k - $262.4k

    Full-stack Engineer 5 (GraphDB & API Platform) (Enterprise Platforms Technology) At Capital One, you'll be part of a big group of...  ...customer data and relationship capabilities, while guiding teams of developers in building resilient cloud-native systems. You will work... 
    Suggested
    Full time
    Part time
    Internship
    Local area

    Capital One

    McLean, VA
    2 days ago

  • Java API Developer - 100% remote

     ...Job Title: Java API Developer - 100% remote Location: Remote Type: Contract Compensation: Negotiable Work Model: Remote – offsite Hours: 40 hours a week Security Clearance: None but full background check required MUST HAVE EXPERIENCE WITH MULESOFT... 
    Suggested
    Contract work
    Temporary work
    Local area
    Remote work

    System One

    Merrifield, VA
    a month ago

  • ETS Principal Engineer - Core Banking Foundation Services (API Engineering)

     ...Engineer, helping design, modernize, and scale the integration and API capabilities that enable the enterprise core banking ecosystem....  ..., or similar technologies.Advanced experience designing, developing, and supporting RESTful APIs and enterprise integration solutions... 
    Suggested
    Internship
    Monday to Friday

    Navy Federal Credit Union

    Vienna, VA
    7 hours agonew

  • 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 (... 
    Suggested
    Contract work
    Work experience placement
    Work at office
    Flexible hours

    CACI International

    Washington DC
    2 days ago

  • Software Engineer - .NET / APIS

     ...build scalable, high-impact systems supporting global border security and threat detection. In this role, you’ll develop C#/.NET backend services, APIs, and microservices that power real-time data processing and analytics platforms. You’ll work closely with senior... 
    Suggested
    Contract work
    Remote work

    Securiport

    Reston, VA
    a month ago

  • Cross-Platform Mobile Developer

     ...Description: We are seeking a skilled Cross-Platform Mobile Developer to build applications that function seamlessly across multiple...  ...frameworks. Proven knowledge and experience with mobile SDKs, APIs and App Development. Familiarity with MDM system integration... 
    Suggested

    General Dynamics Information Technology

    Washington DC
    more than 2 months ago

  • Lead Application Security Engineer, Code to Cloud

    $101.3k - $172k

     ...explaining what a finding means and what it does not, so a blocked developer gets an answer the same day. Own security testing of the...  ...Prisma Cloud, or Orca. You have written policy and built on its API, not just read dashboards. ~ Pipeline enforcement you have actually... 
    Suggested
    Full time
    Washington DC
    9 days ago

  • Senior Cloud Security Specialist (API)

     ...is seeking a highly skilled Senior Cloud Security Specialist (API) to support a critical data access management initiative within...  ...candidate will play a key role in strengthening enterprise security by developing and integrating modern, scalable solutions that support... 
    Suggested
    Temporary work

    Custom Software Systems Inc.

    Washington DC
    29 days ago

  • Cloud Solutions Engineer (Data & Platform)

     ...engineer who can integrate capabilities and seamlessly connect data, APIs, services, databases, software applications, and cloud platforms...  ...-ready manner. Data Engineering & Integration: · Design, develop, test, and support cloud-based data engineering capabilities.... 
    Suggested

    NextGen Federal Systems

    Falls Church, VA
    a month ago

  • Senior Full Stack Engineer (AI Platform)

    $95k - $141k

     ...contributions truly matter. What We Do Innovative Solutions: We co-develop cutting-edge solutions with our clients to address tough...  ...Own features end-to-end across the platform: Django REST APIs and data models, React/TypeScript UI, workflow pipelines, and LLM... 

    Protagonist

    Washington DC
    27 days ago

  • Backend Developer

    $165k

    Vantor is seeking a Backend Developer to build robust, scalable services powering modern web applications and data‑driven solutions. In this role, you’ll design and implement APIs, automation workflows, and integrations on cloud platforms, focusing on performance, reliability... 

    Vantor

    Arlington, VA
    1 day ago

  • Senior Mobile Solutions Developer/Engineer

    $140k - $170k

     ...Senior hands-on mobile engineer responsible for designing, developing, and maintaining enterprise mobile applications supporting real-time...  ...-first capabilities. Integrate mobile applications with APIs, cloud services, and enterprise platforms. Support peer-to-peer... 
    Full time
    Contract work

    Procentrix

    Washington DC
    a month ago

  • Full-Stack Java Developer

    $131k - $137k

     ...Technica Corporation is seeking highly skilled Senior 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... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    7 hours agonew

  • 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-... 
    Local area

    Deloitte

    Rosslyn, VA
    3 days ago

  • Senior Platform Engineer - Go, Python, AWS, Kubernetes/EKS

     ...deployment systems for PortX’s Kubernetes-based hosting platform in AWS. The platform provides highly available and secure microservices API hosting for financial institutions using cloud-native technologies. Responsibilities include: Build and manage secure,... 
    Immediate start
    Visa sponsorship
    Flexible hours

    PortX

    Washington DC
    a month ago

  • Lead Cloud Application Engineer

    $80 - $113 per hour

     ...Experience with AI Tools   Job Description: ·       Architect and develop across both front-end (React) and back-end (C#) codebases. ·...  ...At least 10 years of work experience in building .NET based web APIs using C# and at least 10 years of work experience with modern... 
    Hourly pay
    Contract work
    Work experience placement
    Local area

    Addison Group

    Washington DC
    a month ago

  • Salesforce Health Cloud Sr. Developer

     ...Description Job Description Senior Salesforce Health Cloud Developer (Remote) Must live in one of the following states: AZ, AK , AR...  ...interfaces and data integration services using Salesforce APIs. Convert logical designs into production-ready application code... 
    Interim role
    Live in
    Remote work

    TEEMA

    Washington DC
    24 days ago

  • Principal Software Engineer (AI Platform) - Parametric

    $115k - $225k

     ...and communicate technical trade-offs in accessible terms.Design, develop, and maintain high-quality and flexible platform-level technical...  ..., governance processes, model evaluation, services, and APIs.Design, develop, and maintain platform-level GenAI applications... 
    Temporary work
    Work at office
    Local area
    Remote work
    Worldwide
    Flexible hours
    3 days per week

    Morgan Stanley

    Washington DC
    3 days ago

  • Senior .Net & REACT Full Stack Developer

    $125k

     ...best talent locally available. As a . NET/React Full Stack Developer , you will play a critical role in the development and maintenance...  ...Framework, SQL Server and design/ architectural patterns (e.g. APIs with Dependency Injection)   Experienced with .NET languages... 
    Flexible hours

    Synergy ECP

    Washington DC
    a month ago

  • Principal Platform Software Engineer

    $104.5k - $234.6k

     ...guides and adoption playbooks that raise ecosystem consistency and developer experience.Only Oracle brings together the data, infrastructure,...  ...complex issues related to application programming interface (API) functionality and integration.Implements complex API versioning... 
    Temporary work
    Flexible hours
    Shift work

    Oracle Corporation

    Washington DC
    2 days ago

  • .NET & REACT Full Stack Developer, SME

     ...contract by the client.   The Work: The .NET/React Full Stack Developer, SME, will play a pivotal role in designing, developing, and...  ...components for both the front-end and back-end. Develop APIs with architectural styles such as REST, leveraging best practices... 
    Contract work
    Temporary work
    Local area
    Flexible hours

    Cayuse Holdings

    Washington DC
    15 days ago

  • C# / .Net Developer

    $125k

     ...some of the best talent locally available. As a C# / .NET Developer , you will contribute to the development, enhancement, and maintenance...  ...and maintainability   Integrate third‑party components and APIs as needed   Participate in the full software development... 
    Flexible hours

    Synergy ECP

    Washington DC
    a month ago

  • .NET & REACT Full Stack Developer

     ...Job Description Job Description Overview The. NET/React Developer will play a critical role in the design, development, and maintenance...  ...Design, develop, and maintain web applications and APIs using the ASP.NET framework, C#, Entity Framework, and SQL Server... 
    Temporary work
    Work at office
    Local area
    Flexible hours

    Cayuse Holdings

    Washington DC
    a month ago

  • Full Stack Developer (PostgreSQL, Python, Java, .NET)

     ...holders. Strategic Innovation Group (SIG) is seeking a Full Stack Developer to support the design, development, testing, deployment, and...  ..., as directed by the solutions architect. - Develop RESTful APIs and services over the PostgreSQL data core using JSON,... 
    Temporary work
    For contractors
    H1b

    Strategic Innovation Group LLC

    Arlington, VA
    5 days ago