• Senior ChangeMan ZMF Engineer

    System One (Reston, VA)
    …Knowledge of database technologies (eg, DB2, cloud, SQL, Oracle, MongoDB, PostgreSQL , etc.) + Advanced Fundamental knowledge of software engineers' best practices, ... agile methodologies, CI/CD pipelines + Proficient Knowledge of test-first practices, including Test-Driven Development (TDD) for unit tests and Behavior-Driven Development (BDD) for automated acceptance tests, + Strong experience with Deployment/Continuous… more
    System One (12/31/25)
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  • Senior Software Developer

    Oracle (Richmond, VA)
    …Python, C/C++, GO (two or more preferred). Knowledge of databases such as PostgreSQL , MySQL, DBaaS, NoSQL. Experience deploying and operating services that run on ... Linux systems with 100% uptime goals. General knowledge of the following categories of network systems: Multiprocessing, Threading, Distributed Systems, Load Balancing, and High Availability. Experience with root cause analysis, monitoring, alarming, and… more
    Oracle (12/31/25)
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  • Lead Java Developer (Remote)

    Cognizant (Richmond, VA)
    …with various design patterns Singleton, Circuit Breaker etc., + Proficiency in PostgreSQL or any other RDBMS database + Experience in Git, Maven/Gradle, Docker, ... Jenkins/Azure DevOps + Knowledge in Groovy scripts Applications will be accepted until 01/05/2026. The annual salary for this position is between $83,250 - $132,000 depending on experience and other qualifications of the successful candidate. This position is… more
    Cognizant (12/30/25)
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  • Java Developer Senior

    SAIC (Ashburn, VA)
    …+ Java Micro Service Architecture frameworks such as Spring Boot. + Oracle, PostgreSQL , JDBC. + Linux. + Agile Scrum. + Understanding of infrastructure (firewalls, ... load balancers, storage, monitoring, security etc.) and have experience with orchestration to develop a cloud solution. **Desired Skills and Experience** + Experience with object-oriented analysis and design techniques. + Develop scalable Web Applications. +… more
    SAIC (12/30/25)
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  • Data Scientist SME

    General Dynamics Information Technology (Arlington, VA)
    …dependency management). SQL proficiency; experience with large-scale systems (Trino, PostgreSQL , Hive; OpenSearch, ElasticSearch; distributed compute a plus). Proven ... model productionization (FastAPI, batch jobs, or streaming), CI/CD, Docker, and Linux.Strong with NumPy, SciPy, pandas, scikit-learn, Matplotlib; comfortable moving from exploration to maintainable code. Practical experience in entity resolution,… more
    General Dynamics Information Technology (12/29/25)
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  • AI/ML Software Engineer

    CACI International (Reston, VA)
    …or data-processing workflows + Experience with relational or NoSQL databases ( PostgreSQL , MySQL, MongoDB) + Basic frontend experience with React.js or similar ... + Familiarity with Git, CI/CD concepts, and unit testing + Exposure to LLMs or AI/ML tooling and an interest in applying them to real mission challenges _Desired:_ + Project experience in full-stack development, automation, AI/ML integration, or data… more
    CACI International (12/29/25)
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  • Data Engineer

    ANSER (Reston, VA)
    …data integration solutions, and both relational and non-relational databases (eg, PostgreSQL ) to support enterprise ingestion, storage, retrieval, and analytics. + ... Collaborate with team members to design, refine, implement, and maintain resilient, scalable ETL pipelines using industry-standard tools and frameworks (eg, Apache NiFi). + Ensure ETL pipelines support secure data acquisition, normalization, enrichment, and… more
    ANSER (12/29/25)
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  • Senior Technical Lead - Data Engineering

    Guidehouse (Mclean, VA)
    …and Docker. + Strong knowledge of database systems (Oracle, Aurora, PostgreSQL ), data modeling techniques, and SQL proficiency. + **Leadership Skills** + ... Proven experience leading and mentoring engineering teams. + Excellent communication and stakeholder management abilities. + Strong problem-solving, architectural thinking, and decision-making skills. **What Would Be Nice To Have** **:** + AWS Certified Data… more
    Guidehouse (12/27/25)
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  • Senior Software Developer

    Amentum (Springfield, VA)
    …Kubernetes, OpenShift) * Demonstrated experience with No-SQL and SQL databases (ElasticSearch/ PostgreSQL ) * Experience in working on Linux systems (RHEL) * NGA ... Imagery and Data Repositories * Experience in Oracle databases \#javelin more
    Amentum (12/27/25)
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  • Sr Full Stack Java AWS Kubernetes Developer

    System One (Reston, VA)
    …knowledge of DevOps practices + Advanced database experience (cloud and PostgreSQL ) + Excellent communication skills System One, and its subsidiaries including ... Joule, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as… more
    System One (12/26/25)
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