{"schemaVersion":"jobsearcher.job.v1","id":"e70eb877fb25f1649d3ec038","url":"https://jobsearcher.com/jobs/e70eb877fb25f1649d3ec038","canonicalUrl":"https://jobsearcher.com/jobs/e70eb877fb25f1649d3ec038","title":"APPLICATION DEVELOPER II","description":"About LSI\nLSI is an employee-owned company that employs dynamic teams of professionals – people with the finest technical expertise, a level of passionate creativity, and a truly visionary outlook who deliver innovative training solutions that exceed our customers’ expectations. Everyone at LSI has a personal stake in our success. LSI has over 300 training support experts, engineers, and craftsmen on staff who develop state-of-the-art high-fidelity training devices, complex computer-based, highly interactive distributed learning products, and comprehensive, dynamic technical publications. LSI employee-owners collaborate to deliver training products and services for a myriad of programs and customers, using leading-edge technology and proven processes.\nMission\nOur mission is to prepare our military and allies to be battle-ready through cutting-edge training products and services.\nVision\nOur vision is to be the premier provider of military training solutions, renowned for our innovation and excellence. Through employee-ownership and teamwork, we will shape a future where every military service member is equipped to succeed in their mission.\nGuiding Principles\nESOP Sustainability: We do everything within our control to meet project budgets and schedules, so our ESOP prospers.\nTake Ownership: Each Employee-Owner takes ownership at the individual level for their words, actions, and results. Individual ownership breeds accountability. Accountability breeds trust. When we hold ourselves accountable and trust our fellow employee-owners to do the same, we realize success.\nClear Communication: We project confidence in our communication using unambiguous language and providing clear purpose and direction.\nPursuit of Excellence: We aggressively pursue continuous improvement both as teams and individual employee-owners. We strive to get better every day. There is no room for mediocrity.\nPride in Our Work: We know the value of our work and are proud of what we produce.\nCustomer Focus: Customers are both internal and external and we strive to give both our best efforts.\nAssume Positive Intent: Assume others are well-intentioned in their actions and seek additional information about the circumstances to help solve problems. Assuming positive intent in all interactions is the key to building strong teams and working together to solve problems.\nOne Voice: Every Employee-Owner is expected to speak up if they have an idea for improvement or if they disagree with a potential course of action. Once a decision is made, the entire team commits to it and moves forward with one voice.\nApply: https://www.lsijax.com/careers/\nPay Range: $65K-$86K Annually\nGeneral Summary\nThe Application Developer II position is a mid-level software development role responsible for designing, developing, testing, maintaining, and optimizing internal and customer-facing applications with limited supervision. This position requires demonstrated proficiency in modern development technologies, strong problem-solving abilities, and the capability to mentor junior developers. The developer will collaborate closely with cross-functional teams to deliver robust, scalable, and maintainable software solutions.\nEssential Job Functions\nProvides advanced technical support and guidance for internal users, testers, and junior developers.\nDesigns, develops, tests, deploys, and maintains software applications and system components in alignment with business goals and technical specifications.\nImplements new features and enhancements to improve performance, usability, and security.\nAuthors and maintains detailed technical documentation, including system designs, specifications, and test results.\nIntegrates front-end and back-end systems using RESTful APIs, web services, and data processing frameworks.\nCollaborates with team members to implement solutions and resolve complex issues.\nConducts unit and integration testing to ensure quality and stability.\nTroubleshoots and debugs application issues following established processes.\nParticipates in and occasionally leads code reviews to ensure adherence to coding standards and promote best practices.\nContributes to continuous improvement by evaluating emerging technologies and implementing innovative approaches.\nSafely handles government-furnished equipment and materials.\nWorks a standard weekly schedule of 40 hours with overtime as required.\nPerform additional duties as assigned.\nJob Requirements\nKnowledge, Skills, and Abilities\nDemonstrated strong analytical, debugging, and problem-solving skills with the ability to assess and resolve complex technical challenges.\nThorough understanding of the software development lifecycle (SDLC) and methodologies such as Agile or DevOps.\nSolid grasp of object-oriented programming (OOP) and design principles.\nProficiency with modern programming languages such as C# or TypeScript, and experience with modern frameworks.\nStrong understanding of front-end and back-end integration.\nBasic understanding of web technologies (HTML5, CSS3, and TypeScript).\nHands-on experience with database design, SQL development, and performance optimization using Microsoft SQL Server or equivalent platforms.\nFamiliarity with DevOps practices, version control (Git), and CI/CD tools.\nEffective communication and collaboration skills with the ability to convey technical concepts clearly to both technical and non-technical audiences.\nProven ability to work independently or in a lead capacity on complex development tasks while maintaining high standards of quality and reliability.\nMust be capable of safely handling government-furnished equipment and materials.\nMust be available to work a standard weekly schedule with overtime as required.\nPerform other duties as assigned.\nEducation and Experience\nA bachelor’s degree in Computer Science, Software Engineering, or a closely related field from an accredited institution, and at least two (2) years of professional development experience; or\nAn associate degree plus four (4) years of relevant experience; or\nA high school diploma plus six (6) years of experience; or\nCompletion of a recognized coding bootcamp or technical training program, plus:\nAt least three (3) years of relevant software development experience; or\nAn associate degree or higher in any field.\nInternal applicants with demonstrated domain expertise in LSI applications, frameworks, or internal business systems may qualify with reduced formal experience requirements, provided they can:\nExhibit comprehensive understanding of LSI application architecture, integrations, and coding standards; and\nDemonstrate hands-on contributions to LSI core business tools that directly support organizational operations.\nTo be considered, the applicant must be ready to review their past involvement on at least two major software features, regardless of technologies used where the applicant contributed a significant portion of the code. This will include a technical analysis of the personally written code, detailing the specific problem it solved, the decisions made during implementation, and a clear justification for why that particular approach was chosen to achieve the project's goals.","company":"Lsi","rawCompany":"lsi","city":"Jacksonville","state":"FL","isRemote":false,"isActive":false,"createdAt":"2026-08-03T23:33:06.828Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"APPLICATION DEVELOPER II","description":"About LSI\nLSI is an employee-owned company that employs dynamic teams of professionals – people with the finest technical expertise, a level of passionate creativity, and a truly visionary outlook who deliver innovative training solutions that exceed our customers’ expectations. Everyone at LSI has a personal stake in our success. LSI has over 300 training support experts, engineers, and craftsmen on staff who develop state-of-the-art high-fidelity training devices, complex computer-based, highly interactive distributed learning products, and comprehensive, dynamic technical publications. LSI employee-owners collaborate to deliver training products and services for a myriad of programs and customers, using leading-edge technology and proven processes.\nMission\nOur mission is to prepare our military and allies to be battle-ready through cutting-edge training products and services.\nVision\nOur vision is to be the premier provider of military training solutions, renowned for our innovation and excellence. Through employee-ownership and teamwork, we will shape a future where every military service member is equipped to succeed in their mission.\nGuiding Principles\nESOP Sustainability: We do everything within our control to meet project budgets and schedules, so our ESOP prospers.\nTake Ownership: Each Employee-Owner takes ownership at the individual level for their words, actions, and results. Individual ownership breeds accountability. Accountability breeds trust. When we hold ourselves accountable and trust our fellow employee-owners to do the same, we realize success.\nClear Communication: We project confidence in our communication using unambiguous language and providing clear purpose and direction.\nPursuit of Excellence: We aggressively pursue continuous improvement both as teams and individual employee-owners. We strive to get better every day. There is no room for mediocrity.\nPride in Our Work: We know the value of our work and are proud of what we produce.\nCustomer Focus: Customers are both internal and external and we strive to give both our best efforts.\nAssume Positive Intent: Assume others are well-intentioned in their actions and seek additional information about the circumstances to help solve problems. Assuming positive intent in all interactions is the key to building strong teams and working together to solve problems.\nOne Voice: Every Employee-Owner is expected to speak up if they have an idea for improvement or if they disagree with a potential course of action. Once a decision is made, the entire team commits to it and moves forward with one voice.\nApply: https://www.lsijax.com/careers/\nPay Range: $65K-$86K Annually\nGeneral Summary\nThe Application Developer II position is a mid-level software development role responsible for designing, developing, testing, maintaining, and optimizing internal and customer-facing applications with limited supervision. This position requires demonstrated proficiency in modern development technologies, strong problem-solving abilities, and the capability to mentor junior developers. The developer will collaborate closely with cross-functional teams to deliver robust, scalable, and maintainable software solutions.\nEssential Job Functions\nProvides advanced technical support and guidance for internal users, testers, and junior developers.\nDesigns, develops, tests, deploys, and maintains software applications and system components in alignment with business goals and technical specifications.\nImplements new features and enhancements to improve performance, usability, and security.\nAuthors and maintains detailed technical documentation, including system designs, specifications, and test results.\nIntegrates front-end and back-end systems using RESTful APIs, web services, and data processing frameworks.\nCollaborates with team members to implement solutions and resolve complex issues.\nConducts unit and integration testing to ensure quality and stability.\nTroubleshoots and debugs application issues following established processes.\nParticipates in and occasionally leads code reviews to ensure adherence to coding standards and promote best practices.\nContributes to continuous improvement by evaluating emerging technologies and implementing innovative approaches.\nSafely handles government-furnished equipment and materials.\nWorks a standard weekly schedule of 40 hours with overtime as required.\nPerform additional duties as assigned.\nJob Requirements\nKnowledge, Skills, and Abilities\nDemonstrated strong analytical, debugging, and problem-solving skills with the ability to assess and resolve complex technical challenges.\nThorough understanding of the software development lifecycle (SDLC) and methodologies such as Agile or DevOps.\nSolid grasp of object-oriented programming (OOP) and design principles.\nProficiency with modern programming languages such as C# or TypeScript, and experience with modern frameworks.\nStrong understanding of front-end and back-end integration.\nBasic understanding of web technologies (HTML5, CSS3, and TypeScript).\nHands-on experience with database design, SQL development, and performance optimization using Microsoft SQL Server or equivalent platforms.\nFamiliarity with DevOps practices, version control (Git), and CI/CD tools.\nEffective communication and collaboration skills with the ability to convey technical concepts clearly to both technical and non-technical audiences.\nProven ability to work independently or in a lead capacity on complex development tasks while maintaining high standards of quality and reliability.\nMust be capable of safely handling government-furnished equipment and materials.\nMust be available to work a standard weekly schedule with overtime as required.\nPerform other duties as assigned.\nEducation and Experience\nA bachelor’s degree in Computer Science, Software Engineering, or a closely related field from an accredited institution, and at least two (2) years of professional development experience; or\nAn associate degree plus four (4) years of relevant experience; or\nA high school diploma plus six (6) years of experience; or\nCompletion of a recognized coding bootcamp or technical training program, plus:\nAt least three (3) years of relevant software development experience; or\nAn associate degree or higher in any field.\nInternal applicants with demonstrated domain expertise in LSI applications, frameworks, or internal business systems may qualify with reduced formal experience requirements, provided they can:\nExhibit comprehensive understanding of LSI application architecture, integrations, and coding standards; and\nDemonstrate hands-on contributions to LSI core business tools that directly support organizational operations.\nTo be considered, the applicant must be ready to review their past involvement on at least two major software features, regardless of technologies used where the applicant contributed a significant portion of the code. This will include a technical analysis of the personally written code, detailing the specific problem it solved, the decisions made during implementation, and a clear justification for why that particular approach was chosen to achieve the project's goals.","datePosted":"2026-08-03T23:33:06.828Z","dateModified":"2026-08-03T23:33:06.828Z","hiringOrganization":{"@type":"Organization","name":"Lsi","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Jacksonville","addressRegion":"FL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e70eb877fb25f1649d3ec038"},"url":"https://jobsearcher.com/jobs/e70eb877fb25f1649d3ec038"}}