{"schemaVersion":"jobsearcher.job.v1","id":"1295ec2628d225880e1a1fc0","url":"https://jobsearcher.com/jobs/1295ec2628d225880e1a1fc0","canonicalUrl":"https://jobsearcher.com/jobs/1295ec2628d225880e1a1fc0","title":"Senior .NET / Visual Basic Developer – Technical Lead","description":"*Company:* Navancio LLC\n*Location:* Remote – United States\n*Job Type:* Full-time\n*Schedule:* Monday–Friday, primarily 8:00 AM–5:00 PM Eastern Time\n*Pay Range:* $110,000–$140,000 annually, based on experience\n*Employment:* Direct employment with Navancio LLC; no C2C arrangements\n*Clearance Requirements:* Must be able to successfully complete and maintain a federal Tier 1 background investigation\n\n*About the Position*\n\nNavancio LLC is seeking a Senior .NET / Visual Basic Developer to serve as Technical Lead in support of the operations, maintenance, and enhancement of a mission-critical Department of the Interior enterprise application.\n\nThis is a hands-on technical leadership position supporting a mature, multi-tier federal application. The technical environment includes Microsoft ASP.NET Framework 4.8.1 Web Forms, Visual Basic/VB.NET, Microsoft SQL Server, SQL Agent Jobs, JavaScript, AjaxControlToolkit, SharpMap, Esri ArcGIS, and Crystal Reports.\n\nThe ideal candidate will have extensive experience taking ownership of established Visual Basic/VB.NET and ASP.NET Web Forms applications. This role requires someone who is comfortable troubleshooting production issues, maintaining legacy functionality, and implementing secure, controlled enhancements without unnecessarily replacing a stable system.\n\n*Key Responsibilities*\n\n* Serve as the senior technical lead for application development, maintenance, troubleshooting, and enhancement activities.\n* Maintain and enhance applications built with Visual Basic/VB.NET and ASP.NET Web Forms.\n* Diagnose and resolve application defects, production issues, workflow problems, and performance concerns.\n* Develop and maintain integrations with Microsoft SQL Server, including queries, stored procedures, database scripts, and SQL Agent-related processes.\n* Lead technical analysis, solution design, code reviews, troubleshooting, and implementation activities.\n* Implement approved enhancements to application workflows, forms, reporting, document uploads, searches, filters, and other business functionality.\n* Support application interfaces with GIS and Esri-based components.\n* Collaborate with the GIS/Esri Engineer on application-to-ArcGIS integrations and data flows.\n* Support testing, release preparation, configuration updates, deployment activities, and technical documentation.\n* Investigate and remediate application-level security vulnerabilities identified through static code analysis or government security reviews.\n* Support secure authentication modernization activities, including Login.gov, multifactor authentication, and related application security improvements.\n* Maintain code and configuration using government-approved version-control and software-development processes.\n* Provide technical guidance to team members and communicate technical risks, recommendations, and dependencies to project leadership.\n* Participate in weekly project meetings and coordinate with Navancio’s program management team and government technical personnel.\n* Respond to high-priority application issues and support urgent troubleshooting when required.\n* Support application maintenance, defect correction, database integrity, cybersecurity remediation, system enhancements, and issue resolution.\n\n*Required Qualifications*\n\n* Eight or more years of professional software-development experience, including significant experience supporting production enterprise applications.\n* Strong hands-on experience with Visual Basic/VB.NET.\n* Strong hands-on experience with the Microsoft ASP.NET Framework and Web Forms.\n* Strong Microsoft SQL Server development and troubleshooting experience.\n* Experience maintaining and modernizing mature or legacy enterprise applications.\n* Strong knowledge of JavaScript and web application development.\n* Experience diagnosing production defects and tracing issues across application, database, and integration layers.\n* Experience with source control, code review, testing, release management, and software configuration management.\n* Ability to quickly understand an existing codebase and make controlled changes without disrupting production functionality.\n* Experience working in environments with formal cybersecurity, testing, or change-management requirements.\n* Strong written and verbal communication skills.\n* Ability to independently lead technical work while collaborating with project management, GIS, cybersecurity, and government stakeholders.\n* Must reside within the United States.\n* Must be able to successfully complete and maintain the required federal background investigation.\n\n*Preferred Qualifications*\n\n* Experience with AjaxControlToolkit, Crystal Reports, or SharpMap.\n* Experience supporting ArcGIS integrations and GIS-related data flows.\n* Experience with Azure or GitHub Enterprise.\n* Experience implementing Login.gov or other multifactor-authentication solutions.\n* Familiarity with FISMA, NIST, and federal cybersecurity requirements.\n* Experience supporting federal IT systems or Department of the Interior systems.\n* Previous experience serving as a technical lead on a long-term application operations and maintenance program.\n\n*Work Environment*\n\n* Remote position within the United States.\n* Standard schedule is Monday through Friday, primarily 8:00 AM–5:00 PM Eastern Time.\n* Frequent collaboration with Navancio program management, technical team members, cybersecurity personnel, and government stakeholders.\n* Work is performed in a structured federal environment with formal testing, security, documentation, and change-management requirements.\n\n*Background Requirements*\n\nEmployment is contingent upon the candidate’s ability to successfully complete and maintain a federal Tier 1 background investigation and satisfy all applicable project security requirements.\n\n*Why Join Navancio LLC*\n\nNavancio LLC provides the opportunity to work on meaningful federal technology initiatives in a collaborative, mission-focused environment. This position offers significant technical ownership and the ability to guide the continued operation, security, and enhancement of an important enterprise application.\n\n*Benefits*\n\nNavancio LLC offers a competitive benefits package that may include:\n\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Flexible schedule\n* Health insurance\n* Paid time off\n* Vision insurance\n\nBenefit eligibility and availability may vary based on employment status and applicable plan terms.\n\nHow to Apply\n\nPlease apply through Indeed and include a current résumé highlighting your experience with Visual Basic/VB.NET, ASP.NET Web Forms, Microsoft SQL Server, and the maintenance of mature production applications.\n\nPay: $110,000.00 - $140,000.00 per year\n\nBenefits:\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Flexible schedule\n* Health insurance\n* Life insurance\n* Paid time off\n* Tuition reimbursement\n* Vision insurance\n\nApplication Question(s):\n* How many years of professional experience do you have with Visual Basic or VB.NET?\n* How many years of professional experience do you have with ASP.NET Web Forms?\n* How many years of professional experience do you have with Microsoft SQL Server?\n* Are you currently located within the United States and able to work primarily from 8:00 AM to 5:00 PM Eastern Time, Monday through Friday?\n* Are you able to successfully complete and maintain a federal Tier 1 background investigation?\n* Are you seeking direct employment rather than a C2C arrangement?\n\nWork Location: Remote","company":"Navancio","rawCompany":"navancio","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-21T11:03:30.655Z","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":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior .NET / Visual Basic Developer – Technical Lead","description":"*Company:* Navancio LLC\n*Location:* Remote – United States\n*Job Type:* Full-time\n*Schedule:* Monday–Friday, primarily 8:00 AM–5:00 PM Eastern Time\n*Pay Range:* $110,000–$140,000 annually, based on experience\n*Employment:* Direct employment with Navancio LLC; no C2C arrangements\n*Clearance Requirements:* Must be able to successfully complete and maintain a federal Tier 1 background investigation\n\n*About the Position*\n\nNavancio LLC is seeking a Senior .NET / Visual Basic Developer to serve as Technical Lead in support of the operations, maintenance, and enhancement of a mission-critical Department of the Interior enterprise application.\n\nThis is a hands-on technical leadership position supporting a mature, multi-tier federal application. The technical environment includes Microsoft ASP.NET Framework 4.8.1 Web Forms, Visual Basic/VB.NET, Microsoft SQL Server, SQL Agent Jobs, JavaScript, AjaxControlToolkit, SharpMap, Esri ArcGIS, and Crystal Reports.\n\nThe ideal candidate will have extensive experience taking ownership of established Visual Basic/VB.NET and ASP.NET Web Forms applications. This role requires someone who is comfortable troubleshooting production issues, maintaining legacy functionality, and implementing secure, controlled enhancements without unnecessarily replacing a stable system.\n\n*Key Responsibilities*\n\n* Serve as the senior technical lead for application development, maintenance, troubleshooting, and enhancement activities.\n* Maintain and enhance applications built with Visual Basic/VB.NET and ASP.NET Web Forms.\n* Diagnose and resolve application defects, production issues, workflow problems, and performance concerns.\n* Develop and maintain integrations with Microsoft SQL Server, including queries, stored procedures, database scripts, and SQL Agent-related processes.\n* Lead technical analysis, solution design, code reviews, troubleshooting, and implementation activities.\n* Implement approved enhancements to application workflows, forms, reporting, document uploads, searches, filters, and other business functionality.\n* Support application interfaces with GIS and Esri-based components.\n* Collaborate with the GIS/Esri Engineer on application-to-ArcGIS integrations and data flows.\n* Support testing, release preparation, configuration updates, deployment activities, and technical documentation.\n* Investigate and remediate application-level security vulnerabilities identified through static code analysis or government security reviews.\n* Support secure authentication modernization activities, including Login.gov, multifactor authentication, and related application security improvements.\n* Maintain code and configuration using government-approved version-control and software-development processes.\n* Provide technical guidance to team members and communicate technical risks, recommendations, and dependencies to project leadership.\n* Participate in weekly project meetings and coordinate with Navancio’s program management team and government technical personnel.\n* Respond to high-priority application issues and support urgent troubleshooting when required.\n* Support application maintenance, defect correction, database integrity, cybersecurity remediation, system enhancements, and issue resolution.\n\n*Required Qualifications*\n\n* Eight or more years of professional software-development experience, including significant experience supporting production enterprise applications.\n* Strong hands-on experience with Visual Basic/VB.NET.\n* Strong hands-on experience with the Microsoft ASP.NET Framework and Web Forms.\n* Strong Microsoft SQL Server development and troubleshooting experience.\n* Experience maintaining and modernizing mature or legacy enterprise applications.\n* Strong knowledge of JavaScript and web application development.\n* Experience diagnosing production defects and tracing issues across application, database, and integration layers.\n* Experience with source control, code review, testing, release management, and software configuration management.\n* Ability to quickly understand an existing codebase and make controlled changes without disrupting production functionality.\n* Experience working in environments with formal cybersecurity, testing, or change-management requirements.\n* Strong written and verbal communication skills.\n* Ability to independently lead technical work while collaborating with project management, GIS, cybersecurity, and government stakeholders.\n* Must reside within the United States.\n* Must be able to successfully complete and maintain the required federal background investigation.\n\n*Preferred Qualifications*\n\n* Experience with AjaxControlToolkit, Crystal Reports, or SharpMap.\n* Experience supporting ArcGIS integrations and GIS-related data flows.\n* Experience with Azure or GitHub Enterprise.\n* Experience implementing Login.gov or other multifactor-authentication solutions.\n* Familiarity with FISMA, NIST, and federal cybersecurity requirements.\n* Experience supporting federal IT systems or Department of the Interior systems.\n* Previous experience serving as a technical lead on a long-term application operations and maintenance program.\n\n*Work Environment*\n\n* Remote position within the United States.\n* Standard schedule is Monday through Friday, primarily 8:00 AM–5:00 PM Eastern Time.\n* Frequent collaboration with Navancio program management, technical team members, cybersecurity personnel, and government stakeholders.\n* Work is performed in a structured federal environment with formal testing, security, documentation, and change-management requirements.\n\n*Background Requirements*\n\nEmployment is contingent upon the candidate’s ability to successfully complete and maintain a federal Tier 1 background investigation and satisfy all applicable project security requirements.\n\n*Why Join Navancio LLC*\n\nNavancio LLC provides the opportunity to work on meaningful federal technology initiatives in a collaborative, mission-focused environment. This position offers significant technical ownership and the ability to guide the continued operation, security, and enhancement of an important enterprise application.\n\n*Benefits*\n\nNavancio LLC offers a competitive benefits package that may include:\n\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Flexible schedule\n* Health insurance\n* Paid time off\n* Vision insurance\n\nBenefit eligibility and availability may vary based on employment status and applicable plan terms.\n\nHow to Apply\n\nPlease apply through Indeed and include a current résumé highlighting your experience with Visual Basic/VB.NET, ASP.NET Web Forms, Microsoft SQL Server, and the maintenance of mature production applications.\n\nPay: $110,000.00 - $140,000.00 per year\n\nBenefits:\n* 401(k)\n* 401(k) matching\n* Dental insurance\n* Flexible schedule\n* Health insurance\n* Life insurance\n* Paid time off\n* Tuition reimbursement\n* Vision insurance\n\nApplication Question(s):\n* How many years of professional experience do you have with Visual Basic or VB.NET?\n* How many years of professional experience do you have with ASP.NET Web Forms?\n* How many years of professional experience do you have with Microsoft SQL Server?\n* Are you currently located within the United States and able to work primarily from 8:00 AM to 5:00 PM Eastern Time, Monday through Friday?\n* Are you able to successfully complete and maintain a federal Tier 1 background investigation?\n* Are you seeking direct employment rather than a C2C arrangement?\n\nWork Location: Remote","datePosted":"2026-09-21T11:03:30.655Z","dateModified":"2026-09-21T11:03:30.655Z","hiringOrganization":{"@type":"Organization","name":"Navancio","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"1295ec2628d225880e1a1fc0"},"url":"https://jobsearcher.com/jobs/1295ec2628d225880e1a1fc0"}}