{"schemaVersion":"jobsearcher.job.v1","id":"1db9866f9ef2475bdb64b5a6","url":"https://jobsearcher.com/jobs/1db9866f9ef2475bdb64b5a6","canonicalUrl":"https://jobsearcher.com/jobs/1db9866f9ef2475bdb64b5a6","title":"Data Engineer (Python Application Development – NOT ETL-Focused)","description":"Data Engineer (Python Application Development – NOT ETL-Focused)\nFull-Time\nCybersecurity Services\nLeesburg, VA (Hybrid) / Amman, Jordan (Rotational Travel)\nU.S. Citizen – Active Clearance or Clearance Eligibility REQUIRED\nPosition Overview\nThis Data Engineer role is application-development focused and is not a traditional ETL or data warehouse position.\nWe are specifically seeking a software developer who builds data-driven applications, interactive tools, and operational dashboards using Python, Streamlit, and Docker.\nIf your background is primarily limited to ETL pipelines, data modeling, or warehouse maintenance and you do not have hands-on experience building user-facing applications, this role will not be a fit.\nThis position supports U.S. Government and national security missions and requires engineers who can own\napplications end-to-end—from backend logic and data handling to frontend interfaces and containerized deployment.\nWhat You Will Be Building\nPython-based applications used directly by analysts and mission teams\nInteractive Streamlit apps for analysis and decision support\nContainerized applications deployed via Docker\nData-backed tools for low-bandwidth or resource-constrained environments\nPrimary Responsibilities\nDesign and develop production-ready Python applications\nBuild interactive web applications using Streamlit\nContainerize and deploy applications using Docker\nIntegrate APIs, databases, and file-based data sources\nDevelop supporting data workflows only as needed to power applications\nCollaborate with end users to prototype and refine tools\nImplement secure coding and data access controls\nOptimize applications for performance and reliability\nDebug, refactor, and enhance existing applications\nMaintain clear technical documentation\nRequired Qualifications (Non-Negotiable)\nU.S. Citizenship with active clearance or clearance eligibility\nBachelor’s degree in Computer Science or equivalent experience\nStrong Python application development experience\nHands-on Streamlit application development experience\nHands-on Docker containerization experience\nExperience deploying and troubleshooting containerized applications\nExperience integrating data into applications (SQL, APIs, files)\nAbility to own applications end-to-end\nExplicitly NOT What This Role Is\nThis role is not primarily focused on:\nETL-only pipeline development\nData warehousing or BI-only roles\nSQL-only analytics without application development\nBack-office data modeling roles\nCandidates primarily aligned with the above should not apply.\nPreferred Qualifications\nExperience deploying Streamlit apps in secure environments\nFamiliarity with Kubernetes\nExperience with AWS, Azure, or Oracle Cloud\nCI/CD pipelines for Python applications\nDoD or U.S. Government program experience\nJob Type: Full-time\nPay: From $150,000.00 per year\nApplication Question(s):\nWhat is your desired salary requirement?\nExperience:\nStrong Python application development : 5 years (Required)\nHands-on Streamlit application development : 5 years (Required)\nHands-on Docker containerization : 5 years (Required)\ndeploying and troubleshooting containerized applications: 5 years (Required)\nintegrating data into applications (SQL, APIs, files): 5 years (Required)\nown applications end-to-end: 5 years (Required)\nSecurity clearance:\nSecret (Preferred)\nWillingness to travel:\n25% (Required)\nWork Location: Hybrid remote in Leesburg, VA","company":"Sassi","rawCompany":"sassi","city":"Alexandria","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-04-14T10:34:03.743Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1243.01","title":"Data Warehousing Specialists","slug":"data-warehousing-specialists"},{"code":"15-2051.00","title":"Data Scientists","slug":"data-scientists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Data Engineer (Python Application Development – NOT ETL-Focused)","description":"Data Engineer (Python Application Development – NOT ETL-Focused)\nFull-Time\nCybersecurity Services\nLeesburg, VA (Hybrid) / Amman, Jordan (Rotational Travel)\nU.S. Citizen – Active Clearance or Clearance Eligibility REQUIRED\nPosition Overview\nThis Data Engineer role is application-development focused and is not a traditional ETL or data warehouse position.\nWe are specifically seeking a software developer who builds data-driven applications, interactive tools, and operational dashboards using Python, Streamlit, and Docker.\nIf your background is primarily limited to ETL pipelines, data modeling, or warehouse maintenance and you do not have hands-on experience building user-facing applications, this role will not be a fit.\nThis position supports U.S. Government and national security missions and requires engineers who can own\napplications end-to-end—from backend logic and data handling to frontend interfaces and containerized deployment.\nWhat You Will Be Building\nPython-based applications used directly by analysts and mission teams\nInteractive Streamlit apps for analysis and decision support\nContainerized applications deployed via Docker\nData-backed tools for low-bandwidth or resource-constrained environments\nPrimary Responsibilities\nDesign and develop production-ready Python applications\nBuild interactive web applications using Streamlit\nContainerize and deploy applications using Docker\nIntegrate APIs, databases, and file-based data sources\nDevelop supporting data workflows only as needed to power applications\nCollaborate with end users to prototype and refine tools\nImplement secure coding and data access controls\nOptimize applications for performance and reliability\nDebug, refactor, and enhance existing applications\nMaintain clear technical documentation\nRequired Qualifications (Non-Negotiable)\nU.S. Citizenship with active clearance or clearance eligibility\nBachelor’s degree in Computer Science or equivalent experience\nStrong Python application development experience\nHands-on Streamlit application development experience\nHands-on Docker containerization experience\nExperience deploying and troubleshooting containerized applications\nExperience integrating data into applications (SQL, APIs, files)\nAbility to own applications end-to-end\nExplicitly NOT What This Role Is\nThis role is not primarily focused on:\nETL-only pipeline development\nData warehousing or BI-only roles\nSQL-only analytics without application development\nBack-office data modeling roles\nCandidates primarily aligned with the above should not apply.\nPreferred Qualifications\nExperience deploying Streamlit apps in secure environments\nFamiliarity with Kubernetes\nExperience with AWS, Azure, or Oracle Cloud\nCI/CD pipelines for Python applications\nDoD or U.S. Government program experience\nJob Type: Full-time\nPay: From $150,000.00 per year\nApplication Question(s):\nWhat is your desired salary requirement?\nExperience:\nStrong Python application development : 5 years (Required)\nHands-on Streamlit application development : 5 years (Required)\nHands-on Docker containerization : 5 years (Required)\ndeploying and troubleshooting containerized applications: 5 years (Required)\nintegrating data into applications (SQL, APIs, files): 5 years (Required)\nown applications end-to-end: 5 years (Required)\nSecurity clearance:\nSecret (Preferred)\nWillingness to travel:\n25% (Required)\nWork Location: Hybrid remote in Leesburg, VA","datePosted":"2026-04-14T10:34:03.743Z","dateModified":"2026-04-14T10:34:03.743Z","hiringOrganization":{"@type":"Organization","name":"Sassi","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Alexandria","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"1db9866f9ef2475bdb64b5a6"},"url":"https://jobsearcher.com/jobs/1db9866f9ef2475bdb64b5a6"}}