• Appian Developer - Remote

    ICF (Reston, VA)
    …Certified Level 3 Appian Developer + Experience working with Appian Tempo. + Java developer experience is a strong plus. + Recent work experience ... Appian BPM, IBM WebSphere, Mule, LAMP/JBOSS, HADOOP , Java , Microsoft/.Net is preferred. + Experience in...+ Experience working with Appian Sites. + Java developer with Maven builds experience… more
    ICF (07/17/25)
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  • Senior Developer

    Koniag Government Services (Vienna, VA)
    …databases. + Must be Java Programmer Certified. + Prefer Cloudera Certified Developer for Apache Hadoop (CCDH) + Must have Certified MarkLogic Developer ... a Koniag Government Services company, is seeking a Senior Developer to support **Kadiak** and our government customer in...communication skills. + Write and maintain advanced scripts using Java , JavaScript. XQuery, Python, HTML, SQL or any other… more
    Koniag Government Services (07/12/25)
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  • Appian Frontend Developer (Remote)

    GovCIO (Richmond, VA)
    …and programming languages - Appian BPM, IBM WebSphere, Mule, LAMP/JBOSS, HADOOP , Java , Microsoft/.Net is preferred. + Experience working with Appian Sites. + ... **Overview** GovCIO is currently seeking a Appian Frontend Developer to collaborate and implement with a cross-functional teams dedicated to delivering impactful… more
    GovCIO (08/21/25)
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  • Backend Developer

    ManTech (Ashburn, VA)
    **MANTECH** seeks a motivated, career- and customer-oriented **SME Backend Java Developer ** to join our innovative team in **Ashburn, VA** . This is a hybrid ... and 12+ years or MS/MA/MBA and 9+ years or PhD/Doctorate and 7+ years. + Hands-on experience with Java 8+ and newer language features and expertise in Java … more
    ManTech (09/04/25)
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  • ETL Developer

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …. Experience working directly on a data science team. Experience with tools, including object-oriented programming (Python, Java ), computational analysis ... **ETL Developer ** **Category:** Software Development/ Engineering **Main location:** United...data munging, data and feature engineering, and predictive analytics. Experience creating meaningful data visualizations and interactive dashboards using… more
    CGI Technologies and Solutions, Inc. (08/22/25)
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  • Sr Lead Big Data Developer

    Lumen (Richmond, VA)
    …the future. **The Role** We are looking for a Lead Big Data Developer who is passionate about working with large-scale systems using cutting-edge technologies and ... and reliable data pipelines using technologies like Spark, Kafka, Hadoop , and other big data technologies + Extract, transform,...Look For in a Candidate** + 7+ years of experience . Master's or Bachelor's degree in Computer Science, Engineering,… more
    Lumen (10/02/25)
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  • Senior Full Stack Developer

    ManTech (Ashburn, VA)
    …(eg Oracle, PostgreSQL) and/or NoSQL databases (eg MongoDB) + Hands on experience leveraging distributed data/computing tools including Hadoop , Spark, Impala, ... **MANTECH** seeks a motivated, career and customer oriented **Senior Full Stack Developer ** SME to join our team in **Ashburn, Virginia** . This position is onsite… more
    ManTech (09/03/25)
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  • Senior ETL Developer

    ManTech (Chantilly, VA)
    … experience in the Information Technology field + Software development experience , to include significant Java development, data analysis/parsing, and ... ingest through display, in a Big Data environment + Experience with Java -related technologies, such as JDK,...tasks in a Linux environment **Preferred Qualifications** : + Experience with Hadoop , Hbase, MapReduce + … more
    ManTech (08/26/25)
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  • Software Engineer (TS/SCI with Polygraph Required)

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** None **Job Family:** Software Engineering **Skills:** Java ,Python (Programming Language),Scalable Web Applications,Software Systems ** Experience ... significant enhancements to existing software. The ideal candidate is a hands-on developer with significant experience in developing scalable data platforms,… more
    General Dynamics Information Technology (09/27/25)
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  • Senior Cloud Engineer - WFH

    Shuvel Digital (Reston, VA)
    …Clearable US Citizenship: Required Job Classification: On-Call Location: Remote Years of Experience : 6-8 years of relevant experience Education Level: BS Degree ... GITI is looking for a Sr Cloud Engineer with cybersecurity operations experience and backend development skills to support the research, development, installation,… more
    Shuvel Digital (09/04/25)
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