{"schemaVersion":"jobsearcher.job.v1","id":"d033f079a20475f179833d9a","url":"https://jobsearcher.com/jobs/d033f079a20475f179833d9a","canonicalUrl":"https://jobsearcher.com/jobs/d033f079a20475f179833d9a","title":"Software Developer I (Junior)","description":"Description At 3Si, our mission is to make your world, safer. As a global leader in innovative security technology, we help businesses and law enforcement prevent and respond to crime through field-proven solutions and trusted partnerships. With over 100+ years of combined experience through our merged companies, our expertise drives measurable impact in communities worldwide. We specialize in GPS tracking, video surveillance, and integrated response technologies that deter theft and accelerate criminal apprehension. Designed for retail, financial institutions, law enforcement, and more, our solutions combine cutting-edge tools with unmatched response capabilities. Through our exclusive DirectToDispatchTM technology, verified crime alerts are sent directly to law enforcement dispatch centers in real time-bypassing traditional third-party monitoring delays-to enable rapid, precise response when it matters most. At 3Si, meaningful work makes a difference. We're a purpose-driven team that values innovation, trust, and collaboration. From engineering to sales and support, every role contributes to our mission to protect communities and make the world safer. We offer a hybrid, flexible work culture, competitive benefits, and the chance to grow alongside a team of passionate, dedicated professionals. Join us-and be part of something that matters. The Junior Software Developer is responsible for participating in technical development, testing, debugging, and implementation of enhancements to enterprise-level applications. The developer is expected to work collaboratively with senior developers and members of the team, contributing to the mission-critical success of our organization. Additionally, you may be tasked with writing Jira tickets, technical user guides, and supporting documentation. Primary Responsibilities Participate in full software development lifecycle activities, including design, development, testing, debugging, and implementationDesign and develop scalable software solutions using C# and .NETCollaborate with other developers and cross-functional teams to ensure technical alignment with project goalsUtilize development tools such as Visual Studio, Git, Jira, andWork with technologies including REST/ServiceStack, WPF, Progress/Telerik UI ToolkitSupport and maintain client and server utilizing REST and HTTPS protocolsPerform other duties as needed to support the company's mission and project requirements Knowledge, Skills, and Abilities Understanding of full-stack development practicesProficiency in C# and the .NET frameworkExperience with Windows Presentation Foundation (WPF)Knowledge of software development best practices and secure coding techniquesAbility to work with RESTful APIs and HTTP network technologiesSkilled in using Visual Studio, Git, and JiraStrong problem-solving and analytical abilitiesEffective communication and collaboration skillsAbility to work independently or within a team environmentQualifications Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related technical fieldEquivalent professional experience may be considered in lieu of formal educationAssociate degree in a technical discipline combined with relevant experience and/or industry certifications may also be considered1 year of related software development experience1 year of hands-on experience in C#/.NET developmentExperience with reusable C# library development and version-controlled environments Additional Comments Position on-site in Ashburn, VA.Successful candidates must pass a comprehensive background investigationPre-employment drug screening is requiredComprehensive benefits package including medical, dental, vision, life insurance, short- and long-term disability starting on your first day401(k) retirement savings plan with company match","company":"3si Security","rawCompany":"3si security","city":"Ashburn","state":"GA","isRemote":false,"isActive":false,"createdAt":"2026-06-03T01:52:16.308Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"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":"Software Developer I (Junior)","description":"Description At 3Si, our mission is to make your world, safer. 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From engineering to sales and support, every role contributes to our mission to protect communities and make the world safer. We offer a hybrid, flexible work culture, competitive benefits, and the chance to grow alongside a team of passionate, dedicated professionals. Join us-and be part of something that matters. The Junior Software Developer is responsible for participating in technical development, testing, debugging, and implementation of enhancements to enterprise-level applications. The developer is expected to work collaboratively with senior developers and members of the team, contributing to the mission-critical success of our organization. Additionally, you may be tasked with writing Jira tickets, technical user guides, and supporting documentation. Primary Responsibilities Participate in full software development lifecycle activities, including design, development, testing, debugging, and implementationDesign and develop scalable software solutions using C# and .NETCollaborate with other developers and cross-functional teams to ensure technical alignment with project goalsUtilize development tools such as Visual Studio, Git, Jira, andWork with technologies including REST/ServiceStack, WPF, Progress/Telerik UI ToolkitSupport and maintain client and server utilizing REST and HTTPS protocolsPerform other duties as needed to support the company's mission and project requirements Knowledge, Skills, and Abilities Understanding of full-stack development practicesProficiency in C# and the .NET frameworkExperience with Windows Presentation Foundation (WPF)Knowledge of software development best practices and secure coding techniquesAbility to work with RESTful APIs and HTTP network technologiesSkilled in using Visual Studio, Git, and JiraStrong problem-solving and analytical abilitiesEffective communication and collaboration skillsAbility to work independently or within a team environmentQualifications Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related technical fieldEquivalent professional experience may be considered in lieu of formal educationAssociate degree in a technical discipline combined with relevant experience and/or industry certifications may also be considered1 year of related software development experience1 year of hands-on experience in C#/.NET developmentExperience with reusable C# library development and version-controlled environments Additional Comments Position on-site in Ashburn, VA.Successful candidates must pass a comprehensive background investigationPre-employment drug screening is requiredComprehensive benefits package including medical, dental, vision, life insurance, short- and long-term disability starting on your first day401(k) retirement savings plan with company match","datePosted":"2026-06-03T01:52:16.308Z","dateModified":"2026-06-03T01:52:16.308Z","hiringOrganization":{"@type":"Organization","name":"3si Security","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Ashburn","addressRegion":"GA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d033f079a20475f179833d9a"},"url":"https://jobsearcher.com/jobs/d033f079a20475f179833d9a"}}