{"schemaVersion":"jobsearcher.job.v1","id":"76fc5ef8bcb08ed0807489f2","url":"https://jobsearcher.com/jobs/76fc5ef8bcb08ed0807489f2","canonicalUrl":"https://jobsearcher.com/jobs/76fc5ef8bcb08ed0807489f2","title":"Mid-Level Backend Software Engineer","description":"Overview\nIn this role you will design, build, and maintain backend services for a high-visibility, data-driven analytics application. You will collaborate with cross-functional teams to ensure reliability, performance, and data accuracy in a Linux environment. You’ll work on RESTful APIs, data processing, and system enhancements, contributing to mission-critical decision-making. This position offers growth in backend design, scalability, and impact across programs.\n\nResponsibilitiesDesign, develop, test, and maintain backend components using Java or PythonDevelop and maintain RESTful services to support functionality and integrationsApply object-oriented design to build scalable, maintainable systemsWrite and modify SQL queries for data retrieval and functionalityCollaborate with internal and external teams to understand data sources and access methodsDevelop and troubleshoot applications within Linux-based environmentsImplement backend logic for data transformation, processing, and workflowsIdentify, debug, and resolve defects and performance issuesFollow coding standards, participate in code reviews, and support documentation efforts\nKey requirementsBachelor’s degree in Computer Science, Software Engineering, or related field with 4–8 years of experience; or Master’s with 2–6 yearsUS CitizenshipActive TS/SCI with the ability to pass a PolygraphExperience developing object-oriented applications in Java or PythonHands-on experience building and maintaining RESTful APIsSQL capability with relational databasesWorking knowledge of Linux-based environmentsAbility to work independently within established technical frameworks and deliver reliable resultsindependent working styleproblem-solving mindsetcross-functional collaborationJavaPythonREST API development","company":"Leidos","rawCompany":"leidos","city":"McLean","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-09-15T04:56:51.841Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"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":"Mid-Level Backend Software Engineer","description":"Overview\nIn this role you will design, build, and maintain backend services for a high-visibility, data-driven analytics application. You will collaborate with cross-functional teams to ensure reliability, performance, and data accuracy in a Linux environment. You’ll work on RESTful APIs, data processing, and system enhancements, contributing to mission-critical decision-making. This position offers growth in backend design, scalability, and impact across programs.\n\nResponsibilitiesDesign, develop, test, and maintain backend components using Java or PythonDevelop and maintain RESTful services to support functionality and integrationsApply object-oriented design to build scalable, maintainable systemsWrite and modify SQL queries for data retrieval and functionalityCollaborate with internal and external teams to understand data sources and access methodsDevelop and troubleshoot applications within Linux-based environmentsImplement backend logic for data transformation, processing, and workflowsIdentify, debug, and resolve defects and performance issuesFollow coding standards, participate in code reviews, and support documentation efforts\nKey requirementsBachelor’s degree in Computer Science, Software Engineering, or related field with 4–8 years of experience; or Master’s with 2–6 yearsUS CitizenshipActive TS/SCI with the ability to pass a PolygraphExperience developing object-oriented applications in Java or PythonHands-on experience building and maintaining RESTful APIsSQL capability with relational databasesWorking knowledge of Linux-based environmentsAbility to work independently within established technical frameworks and deliver reliable resultsindependent working styleproblem-solving mindsetcross-functional collaborationJavaPythonREST API development","datePosted":"2026-09-15T04:56:51.841Z","dateModified":"2026-09-15T04:56:51.841Z","hiringOrganization":{"@type":"Organization","name":"Leidos","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"McLean","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"76fc5ef8bcb08ed0807489f2"},"url":"https://jobsearcher.com/jobs/76fc5ef8bcb08ed0807489f2"}}