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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
    10 hours agonew

  • API/Java/Python Developer, Senior - TS/SCI and CI poly Clearance

     ...Job Description Job Description API/Java/Python Developer Hybrid – Arlington, VA U.S. Citizenship and TS/SCI and CI poly required   @Orchard is retained by a top geospatial technology company in their search for an API/Java/Python Developer to work in their... 
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    Remote work

    @Orchard

    Arlington, VA
    5 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... 
    Suggested
    Local area
    Arlington, VA
    more than 2 months 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...  ...development, and maintenance of software applications and APIs using Java and Python programming languages. This role often involves a combination... 
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    Vantor

    Arlington, VA
    9 hours agonew

  • Python Developer

    $107.9k - $195.05k

     ...Description Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal... 
    Suggested
    Local area
    Immediate start

    Leidos

    Burke, VA
    4 days ago

  • Java Application Developer (cleared)

    $120k - $225k

     ...Owner: Logan SeitzZachary Piper Solutions is looking for a Java Application Developer to join large federal program. This is fully onsite in Herndon...  ...engineer, devops engineer, java, angular, react, Kubernetes, linux, ansible, python, terraform, iac, infrastructure as code
    Suggested
    Full time

    ZP Group

    Herndon, VA
    2 days ago

  • Senior Python Developer

     ...6-25260Position Overview Currently seeking a Senior Software Developer who can contribute to the firm’s enterprise forecasting platform...  ...experience using a modern programming language (e.g., Python, Java, or C#).1-2 years of experience using Git for source control... 
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    Mindlance

    McLean, VA
    1 day ago

  • Java Developer

     ...Project duration: 15 months Must Have Qualifications: The candidate must be familiar with troubleshooting and enhancing code using Java, Python, scripting, and DevOps. Exposure to CI/CD pipelines and Gen AI tools such as Kiro and Amazon Queue, as well as experience with... 
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    Full time
    Rotating shift
    Weekend work

    WISETEK PROVIDERS INC

    Washington DC
    15 days ago

  • Senior Java Developer

     ...Senior Java DeveloperLocation: Bethesda, MD (Hybrid)Client: MarriottVisa: H1B, EAD, GC, USCDuration: Long TermMandatory: Minimum 10+...  ...SpringBoot, JavaScript, API, Gateway, EKS, Harness, swagerHub, Python and microservicesJob ResponsibilitiesTechnical Expertise - RequiredArchitecture... 
    Suggested
    H1b

    Argyle Infotech

    Bethesda, MD
    4 days ago

  • Python Developer

     ...Python Developer-Full Stack Senior Local candidates only # Interview Type: In-Person Locations: Onsite in McLean, VA (5 days a week) Employment...  ...with Technologies including Web Service API, XML, JSON, JDBC, Java, Python. 3+ years working with SaaS platforms such as... 
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    Contract work
    Local area

    Zillion Technologies

    McLean, VA
    1 day ago

  • Full-Stack Engineer 4 (Python, Java, AWS, CI/CD, GenAI) (Enterprise Platforms Technology)

    $197.3k - $225.1k

     ...Overview Full-Stack Engineer 4 (Python, Java, AWS, CI/CD, GenAI) (Enterprise Platforms Technology) Do you love building and pioneering...  ...a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full... 
    Suggested
    Full time
    Part time
    Internship
    H1b
    Local area

    Capital One

    McLean, VA
    7 days ago

  • Senior Python Developer - Financial Applications & Risk

    $60 - $75 per hour

     ...to improve maintainability, performance, and scalability. · Develop and enhance core forecasting engine features to improve model...  ...development experience using a modern programming language (e.g., Python, Java). · 1-2 years of experience using Git for source control in... 
    Suggested
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    McLean, VA
    8 days ago

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

     ...Strategic Innovation Group (SIG) is seeking a Full Stack Developer to support the design, development, testing, deployment,...  ...customizable reports, using React (or Angular) on the front end and Python (FastAPI/Django), Java (Spring Boot), or .NET (ASP.NET Core) on the back end, as... 
    Suggested
    Temporary work
    For contractors
    H1b

    Strategic Innovation Group LLC

    Arlington, VA
    4 days ago

  • Senior Java Developer - Capital Markets

    $90 - $100 per hour

     ...Position: Java/J2EE Developer Location: McLean, Virginia Duration: Contract Job ID: 179037 Job Overview: We are seeking a...  ..., and relationship management abilities. Experience with Python and AI technologies. Must-Have Qualifications: Finance... 
    Suggested
    Full time
    Contract work
    Temporary work

    Pinnacle Group

    McLean, VA
    21 days ago

  • Senior Java Developer TS/SCI with Poly REQUIRED

    $143.5k - $310.7k

    Senior Java Developer TS/SCI with Poly REQUIRED Position Description CGI Federal is seeking a Senior Java software engineer for an exciting...  ...such as Relational Databases, Graph Databases, and NoSQL, Python, and Artificial Intelligence/Machine Learning. You will... 
    Suggested
    Local area
    Arlington, VA
    10 days ago

  • Java AWS Developer

     ...Job Description Job Description We are seeking a Java AWS Developer to become an integral part of our team! You will be responsible for creating and modifying computer application software or specialized utility programs. Responsibilities: Analyze user needs... 

    Sophus It Solutions LLC

    Washington DC
    a month ago

  • Python Developer

     ...Job Description Job Description We are seeking a Python Developer to become an integral part of our team! You will be responsible for creating and modifying computer application software or specialized utility programs. Very urgent positions: Very strong in Python... 

    Vision IT USA Inc

    Reston, VA
    a month ago

  • Java Web Application Developer

    $87.1k - $157.45k

    Java Web Application DeveloperLocation: RemoteClearance: Secret or higher The Test and Training Enabling Architecture (TENA) program at Leidos is looking for a Java Web Application Developer to join our team! Our mission is to develop tools for the United States Department... 
    Full time
    Remote work

    Leidos

    Alexandria, VA
    19 hours agonew

  • Senior Python Developer

     ...Job Description Job Description We are looking for a Senior Python Developer to join our software development team. Senior Python Developer responsibilities include participating in the entire software development lifecycle, debugging applications and configuring... 
    Work experience placement

    Maxiom Technology

    Washington DC
    a month ago

  • Senior Java Application Developer

    $100k - $145k

     ...Description Job Description Senior Application Developer  #1125 Location   This is a hybrid...  ...in an Enterprise IT environment   ~ Java web applications and associated...  ...ActiveMQ  ~ Experience with Node.js or Python  ~ Experience working on a federal government... 
    Remote work
    Flexible hours
    3 days per week

    Dev Technology

    Tysons Corner, VA
    7 days ago

  • Java Full Stack Developer

     ...Reston, VA (Onsite – 5 days a week) (Only local) Job Type Contract Experience 12+ years required Job Function Information Technology Industries IT Services and IT Consulting Technical Skills Java Spring Boot Microservices Angular AWS GHCP (GitHub Copilot) #J-18808-Ljbffr... 
    Contract work
    Local area

    Nityo Infotech

    Reston, VA
    4 days ago

  • Java Developer

     ...speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests. Requisition #: 1670 Job Title: Java Developer Location: Hybrid, Rosslyn, VA Clearance Level:  Secret, Must Have Clearance to Start Job Description You will be... 

    Agile Defense

    Rosslyn, VA
    a month ago

  • Java Developer - 100% REMOTE

     ...Job Title: Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C Responsibilities Develop APIs using microservice architecture... 
    Contract work
    Temporary work
    Local area
    Remote work

    System One

    Vienna, VA
    a month ago

  • Java Developer

    $86.8k - $198k

    Java DeveloperThe Opportunity:Every day, millions of Americans depend on medical devices to protect their health and save their lives. As a Senior Java Developer on this team, you'll build and modernize the systems that support medical device review for a federal public... 
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Bethesda, MD
    2 days ago

  • 16yrs Sr Java Developer- In person - Onsite interview

     ...Job Description Job Description Role:Sr Java Developer Location: Washington, DC Client: DC Government (Onsite - In person interview) JOb Description: The Senior JAVA Developer position requires in-depth knowledge of JAVA and J2EEbackground using Spring... 
    Full time
    Contract work

    GoIntellects Inc.

    Washington DC
    a month ago

  • Python Developer

     ...MANTECH seeks a driven and mission-focused Python Developer to join our team in Herndon, VA . In this role, you will contribute to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers... 

    ManTech

    Herndon, VA
    3 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... 
    Contract work
    Temporary work
    Local area
    Remote work

    System One

    Merrifield, VA
    29 days ago

  • Sr Java Developer

     ...Job Description Job Description TITLE: Sr Java Developer LOCATION: Washington, DC/ Onsite     Employment type: Contract w2/1099/C2C           MINIMUM EDUCATION: Bachelor’s degree in IT, related field, or equivalent experience. REQUIRED EXPERIENCE: 16... 
    Contract work

    AHU Technologies Inc

    Washington DC
    a month ago

  • Java Developer

    $125k - $135k

     ...eighteen months. They get maintained, extended, and trusted — and somebody has to be good at that. Sienna Systems is seeking a Java Developer to join a collaborative software development team supporting the U.S. Department of Homeland Security, Customs and Border... 
    Temporary work
    Immediate start

    Sienna Systems Corporation

    Falls Church, VA
    15 days ago

  • Senior GEOINT Data Scientist

     ...Demonstrated experience in data mining and developing/maintaining/manipulating databases...  ...following: HTML 5/Javascript, ArcObjects, Python, Model Builder, Oracle, SQL, GIScience, Geospatial...  ...using .NET, Python, C++, and/or JAVA programming for web interface development... 
    Work at office

    MANTECH

    Springfield, VA
    -26