{"schemaVersion":"jobsearcher.job.v1","id":"5360b6b8f8d8443fa4dca627","url":"https://jobsearcher.com/jobs/5360b6b8f8d8443fa4dca627","canonicalUrl":"https://jobsearcher.com/jobs/5360b6b8f8d8443fa4dca627","title":"Cleared Full Stack Developer - Current Opening","description":"This job requires a TS/SCI clearance with polygraph. Please do not apply unless you already have that level of clearance. Candidates that do not have this clearance will not be contacted.\n\nDescription: Responsible for developing and/or engineering the end-to-end features of a system, from user experience to backend code. Use development skills to deliver innovative solutions that help our clients improve the services they provide. Leverage new technologies that can be applied to solve challenging business problems with a cloud mindset. Bring your expertise and sense of urgency to a team performing mission critical work. Within this team and supporting our product, you will have a direct hand in shaping requirements and expectations for current and future mission needs and opportunities as well as developing and implementing those initiatives. If you are a Full Stack Software Developer with C#/.NET Expertise, this is an opportunity to elevate your career and own something important with a good deal of visibility and responsibility. You’ll be working within an Agile development construct on a dynamic team. In addition to C#/.NET expertise we’ll need to you rate yourself close to expert level experience with Angular JS, TypeScript, and JavaScript.\n\nDuties/Responsibilities\n\nDevelop and maintain web applications using C#, Angular JS and TypeScript\nCollaborate with team and customer to define, design, and deliver new features and enhancements\nEnsure the performance, quality, and responsiveness of applications\nIdentify and correct bottlenecks and fix bugs\nHelp maintain code quality, organization, and automation\nParticipate in code reviews and provide constructive feedback to other developers\nStay up-to-date with emerging technologies and industry best practices\n\nRequired Qualifications:\n\nU.S. Citizenship\nRequires an active TS/SCI security clearance w/ Poly\nBachelor’s degree in one of the following: Computer Science, Computer Engineering, Electrical Engineering, Math, or Physics\n5+ years years of experience in software/application development\nMust be proficient or above in:\nExcellent problem-solving skills and attention to detail, and demonstrate working with a sense of urgency\nExcellent communication and experience working directly with customers on requirements and concepts, and ability to facilitate and maintain strong working customer relationships\nAbility to learn and apply functional concepts very quickly\nAbility to multitask, sometimes at a rapid pace, with good attention to details\nHigh degree of accountability and personal integrity\nAbility to effectively follow-through and manage status reporting and scheduling\nAbility to work well both independently and as part of a team\n\n Desired Qualifications:\n\nExperience with API Development, PKI infrastructure, and Customer DNS routing systems\nExperience in enterprise services surrounding and User Authentication and Authorization\nProficiency in Android/Linux OS internals\nFamiliarity with EnCase, FTK, or other forensic software tools\n\n Physical Requirements\n\nAbility to work full-time (40 hours/week) at the customer site while sitting at a desk and working on a computer\nAbility to be in the office during core hours of 9am-3pm\nRoutine video conference and/or in-person meetings\nAbility to attend planned meetings within the Washington Metro Area region","company":"Toptimum","rawCompany":"toptimum","city":"Ashburn","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-09-06T13:00:59.550Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"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":"Cleared Full Stack Developer - Current Opening","description":"This job requires a TS/SCI clearance with polygraph. Please do not apply unless you already have that level of clearance. Candidates that do not have this clearance will not be contacted.\n\nDescription: Responsible for developing and/or engineering the end-to-end features of a system, from user experience to backend code. Use development skills to deliver innovative solutions that help our clients improve the services they provide. Leverage new technologies that can be applied to solve challenging business problems with a cloud mindset. Bring your expertise and sense of urgency to a team performing mission critical work. Within this team and supporting our product, you will have a direct hand in shaping requirements and expectations for current and future mission needs and opportunities as well as developing and implementing those initiatives. If you are a Full Stack Software Developer with C#/.NET Expertise, this is an opportunity to elevate your career and own something important with a good deal of visibility and responsibility. You’ll be working within an Agile development construct on a dynamic team. In addition to C#/.NET expertise we’ll need to you rate yourself close to expert level experience with Angular JS, TypeScript, and JavaScript.\n\nDuties/Responsibilities\n\nDevelop and maintain web applications using C#, Angular JS and TypeScript\nCollaborate with team and customer to define, design, and deliver new features and enhancements\nEnsure the performance, quality, and responsiveness of applications\nIdentify and correct bottlenecks and fix bugs\nHelp maintain code quality, organization, and automation\nParticipate in code reviews and provide constructive feedback to other developers\nStay up-to-date with emerging technologies and industry best practices\n\nRequired Qualifications:\n\nU.S. Citizenship\nRequires an active TS/SCI security clearance w/ Poly\nBachelor’s degree in one of the following: Computer Science, Computer Engineering, Electrical Engineering, Math, or Physics\n5+ years years of experience in software/application development\nMust be proficient or above in:\nExcellent problem-solving skills and attention to detail, and demonstrate working with a sense of urgency\nExcellent communication and experience working directly with customers on requirements and concepts, and ability to facilitate and maintain strong working customer relationships\nAbility to learn and apply functional concepts very quickly\nAbility to multitask, sometimes at a rapid pace, with good attention to details\nHigh degree of accountability and personal integrity\nAbility to effectively follow-through and manage status reporting and scheduling\nAbility to work well both independently and as part of a team\n\n Desired Qualifications:\n\nExperience with API Development, PKI infrastructure, and Customer DNS routing systems\nExperience in enterprise services surrounding and User Authentication and Authorization\nProficiency in Android/Linux OS internals\nFamiliarity with EnCase, FTK, or other forensic software tools\n\n Physical Requirements\n\nAbility to work full-time (40 hours/week) at the customer site while sitting at a desk and working on a computer\nAbility to be in the office during core hours of 9am-3pm\nRoutine video conference and/or in-person meetings\nAbility to attend planned meetings within the Washington Metro Area region","datePosted":"2026-09-06T13:00:59.550Z","dateModified":"2026-09-06T13:00:59.550Z","hiringOrganization":{"@type":"Organization","name":"Toptimum","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Ashburn","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5360b6b8f8d8443fa4dca627"},"url":"https://jobsearcher.com/jobs/5360b6b8f8d8443fa4dca627"}}