{"schemaVersion":"jobsearcher.job.v1","id":"bba27702966d34c87c6289af","url":"https://jobsearcher.com/jobs/bba27702966d34c87c6289af","canonicalUrl":"https://jobsearcher.com/jobs/bba27702966d34c87c6289af","title":"Backend Software Engineer","description":"We're hiring on behalf of a Haystack partner!The Role Build and maintain core backend services for a high-visibility, data-driven application Develop RESTful APIs and support data-driven functionality Contribute to ongoing system enhancements within a Linux-based environment Support system reliability, performance, and data accuracy for mission stakeholders Implement backend logic for data transformation, processing, and system workflowsWhat You'll Need Bachelor’s degree in Computer Science, Software Engineering, or related field with 4-8 years experience, or Master’s with 2-6 years experience US Citizenship with an active TS/SCI clearance and ability to pass a Polygraph Professional experience developing object-oriented applications in Java or Python Hands-on experience building and maintaining RESTful APIs Basic to moderate experience with SQL and relational databases Working knowledge of Linux-based environmentsWhat's On Offer High impact work supporting real-time decision-making Collaborate with engineering teams and mission stakeholders across programs Opportunity to build deeper expertise in backend development, API design, and scalable systems Challenging work on complex backend featuresApply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"Washington","state":"DC","isRemote":false,"isActive":false,"createdAt":"2026-06-26T14:10:20.725Z","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":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"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":"Backend Software Engineer","description":"We're hiring on behalf of a Haystack partner!The Role Build and maintain core backend services for a high-visibility, data-driven application Develop RESTful APIs and support data-driven functionality Contribute to ongoing system enhancements within a Linux-based environment Support system reliability, performance, and data accuracy for mission stakeholders Implement backend logic for data transformation, processing, and system workflowsWhat You'll Need Bachelor’s degree in Computer Science, Software Engineering, or related field with 4-8 years experience, or Master’s with 2-6 years experience US Citizenship with an active TS/SCI clearance and ability to pass a Polygraph Professional experience developing object-oriented applications in Java or Python Hands-on experience building and maintaining RESTful APIs Basic to moderate experience with SQL and relational databases Working knowledge of Linux-based environmentsWhat's On Offer High impact work supporting real-time decision-making Collaborate with engineering teams and mission stakeholders across programs Opportunity to build deeper expertise in backend development, API design, and scalable systems Challenging work on complex backend featuresApply via Haystack today!","datePosted":"2026-06-26T14:10:20.725Z","dateModified":"2026-06-26T14:10:20.725Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Washington","addressRegion":"DC","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"bba27702966d34c87c6289af"},"url":"https://jobsearcher.com/jobs/bba27702966d34c87c6289af"}}