{"schemaVersion":"jobsearcher.job.v1","id":"3e4909ca57d312c86ec93309","url":"https://jobsearcher.com/jobs/3e4909ca57d312c86ec93309","canonicalUrl":"https://jobsearcher.com/jobs/3e4909ca57d312c86ec93309","title":".Net Developer, Intermediate","description":"Advanced Systems Design is seeking a .Net Developer, Intermediate for our client located in Montgomery, AL.\nThis position is onsite in Montgomery, AL, and requires in-person availability starting day 1.\nJob Overview:\nWe are seeking a Mid-Level Microsoft .Net Developer with Mainframe development experience to support and enhance mission-critical enterprise applications in a complex hybrid environment that includes both legacy mainframe systems and modern Microsoft technologies. This role will be responsible for development, maintenance, modernization, system integrations, reporting solutions, and production support activities.\nThe ideal candidate will possess strong mainframe and Microsoft .Net development experience, solid database skills, and the ability to bridge legacy systems with modern application architectures. This individual will work closely with business analysts, project managers, database administrators, and cross-functional development teams to deliver scalable, secure, and maintainable solutions.\nAnalyze, interpret, and decode legacy Easytrieve enterprise applications running on IBM mainframe platforms.\nAnalyze business requirements and translate them into technical specifications and application solutions.\nDesign, develop, test, and deploy application enhancements and defect fixes.\nSupport batch processing, data transformation, and enterprise integration workflows.\nDevelop and maintain reports, extracts, and data distribution processes.\nCreate and support ETL solutions using SQL Server Integration Services (SSIS).\nDesign, develop, and maintain reporting solutions using SQL Server Reporting Services (SSRS).\nDevelop and maintain applications and supporting utilities using .NET technologies.\nWrite, optimize, and troubleshoot complex SQL queries, stored procedures, views, and database objects.\nMonitor and resolve production support issues while ensuring system stability and data integrity.\nParticipate in application modernization and legacy migration initiatives.\nCollaborate with business users to troubleshoot issues and identify process improvements.\nCreate and maintain technical documentation, application specifications, and support procedures.\nParticipate in code reviews and ensure compliance with organizational coding standards.\nSupport testing efforts including unit, integration, regression, architecture, and user acceptance testing.\nRequired Qualifications:\nSignificant familiarity with the CMS Advise (835) and CMS 837 Health Care Claim file elements and standards.\n3–7 years of professional software development experience.\n3+ years of experience in IBM Mainframe development environments.\nExperience supporting large-scale enterprise applications.\nStrong analytical, troubleshooting, and problem-solving skills.\nExcellent written and verbal communication skills.\nStrong problem-solving and root-cause analysis abilities.\nAbility to work independently with minimal supervision.\nEffective collaboration across technical and business teams.\nStrong organizational and time management skills.\nAbility to manage multiple priorities and deadlines.\nCommitment to quality, accuracy, and continuous improvement.\nStrong customer service mindset and support orientation.\nMainframe Technologies\nJCL\nCICS\nROSCOE or TSO\nEasytrieve/EasyPlus\nBatch Processing\nMicrosoft Technologies\n.NET Framework / .NET Core\nC#\nEntity Framework Core\nDatabase & Reporting\nSQL Server\nT-SQL\nSSRS (SQL Server Reporting Services)\nSSIS (SQL Server Integration Services)\nStored Procedures\nDatabase Performance Tuning\nDevelopment Tools\nVisual Studio\nGit\nAzure DevOps Server\nSQL Server Management Studio (SSMS)\nMarkdown File for Documentation\nEDI Fabric SDK\nPreferred Qualifications:\nExperience with application modernization and migration of legacy systems.\nExperience using off-the-shelf technologies to manipulate data and report upon CMS data files (835 & 837)\nExperience parsing, generating, and troubleshooting ANSI ASC X12 HIPAA transaction sets, specifically 837 (claims submission) and 835 (Electronic Remittance Advice / ERA)\nExperience working with Alabama Medicaid electronic data specifications, companion guides, and proprietary state formats.\nExperience integrating mainframe applications with distributed platforms and APIs.\nKnowledge of ETL design and data transformation best practices.\nFamiliarity with REST and SOAP web services.\nExperience with secure file transfer processes and data integration workflows.\nExperience with enterprise reporting and document generation solutions.\nKnowledge of Agile/Scrum methodologies.\nExperience with Microsoft Azure cloud services.\nExperience in healthcare, financial services, government, insurance, or other highly regulated industries.\nEducation Required:\n\nAdvanced Systems Design, Inc. is:\nA leading Information Technology provider for Federal, State & Local government agencies.\nA certified minority-owned small business government contractor with capabilities related to Public Health IT, Criminal Justice, Transportation, and Defense.\nA certified service-disabled veteran-owned company with a proud 46-year track record of providing successful innovative solutions for our government customers.\nA drug-free workplace in accordance with the Drug-Free Workplace Act of 1988.\nApplicants who have a signed offer of employment or contractor agreement are subject to:\nthe pre-employment testing protocol:\nbackground investigation\ndrug screening\nOur Employees:\nAre actively working on next-generation technology projects with the U.S. Department of Veterans Affairs, CDC, and a wide array of Federal, State, and Local agencies throughout the United States\nAre eligible for wide-ranging benefits and perks, including but not limited to:\nComprehensive Health Insurance with PPO and HDHP/HSA options\nDental Insurance\nVision Insurance\nShort/Long-Term Disability\nGroup Life Insurance - Company Paid\nVoluntary Life Insurance\n401(k) Plan with Employer Match\nPaid Time Off (Vacation/Sick)\nHoliday Pay - Company Paid Federal Holidays\nProfessional Certification Incentive Plan\nEmployee Referral Plan\nTechnology Exposure\nFor additional information regarding Advanced Systems Design, please check out our WEBSITE or click HERE for all current job openings.\n\nAdvanced Systems Design is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.","company":"Advanced Systems Design","rawCompany":"advanced systems design","city":"Montgomery","state":"AL","isRemote":false,"isActive":false,"createdAt":"2026-08-10T15:10:49.068Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"},{"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":".Net Developer, Intermediate","description":"Advanced Systems Design is seeking a .Net Developer, Intermediate for our client located in Montgomery, AL.\nThis position is onsite in Montgomery, AL, and requires in-person availability starting day 1.\nJob Overview:\nWe are seeking a Mid-Level Microsoft .Net Developer with Mainframe development experience to support and enhance mission-critical enterprise applications in a complex hybrid environment that includes both legacy mainframe systems and modern Microsoft technologies. This role will be responsible for development, maintenance, modernization, system integrations, reporting solutions, and production support activities.\nThe ideal candidate will possess strong mainframe and Microsoft .Net development experience, solid database skills, and the ability to bridge legacy systems with modern application architectures. This individual will work closely with business analysts, project managers, database administrators, and cross-functional development teams to deliver scalable, secure, and maintainable solutions.\nAnalyze, interpret, and decode legacy Easytrieve enterprise applications running on IBM mainframe platforms.\nAnalyze business requirements and translate them into technical specifications and application solutions.\nDesign, develop, test, and deploy application enhancements and defect fixes.\nSupport batch processing, data transformation, and enterprise integration workflows.\nDevelop and maintain reports, extracts, and data distribution processes.\nCreate and support ETL solutions using SQL Server Integration Services (SSIS).\nDesign, develop, and maintain reporting solutions using SQL Server Reporting Services (SSRS).\nDevelop and maintain applications and supporting utilities using .NET technologies.\nWrite, optimize, and troubleshoot complex SQL queries, stored procedures, views, and database objects.\nMonitor and resolve production support issues while ensuring system stability and data integrity.\nParticipate in application modernization and legacy migration initiatives.\nCollaborate with business users to troubleshoot issues and identify process improvements.\nCreate and maintain technical documentation, application specifications, and support procedures.\nParticipate in code reviews and ensure compliance with organizational coding standards.\nSupport testing efforts including unit, integration, regression, architecture, and user acceptance testing.\nRequired Qualifications:\nSignificant familiarity with the CMS Advise (835) and CMS 837 Health Care Claim file elements and standards.\n3–7 years of professional software development experience.\n3+ years of experience in IBM Mainframe development environments.\nExperience supporting large-scale enterprise applications.\nStrong analytical, troubleshooting, and problem-solving skills.\nExcellent written and verbal communication skills.\nStrong problem-solving and root-cause analysis abilities.\nAbility to work independently with minimal supervision.\nEffective collaboration across technical and business teams.\nStrong organizational and time management skills.\nAbility to manage multiple priorities and deadlines.\nCommitment to quality, accuracy, and continuous improvement.\nStrong customer service mindset and support orientation.\nMainframe Technologies\nJCL\nCICS\nROSCOE or TSO\nEasytrieve/EasyPlus\nBatch Processing\nMicrosoft Technologies\n.NET Framework / .NET Core\nC#\nEntity Framework Core\nDatabase & Reporting\nSQL Server\nT-SQL\nSSRS (SQL Server Reporting Services)\nSSIS (SQL Server Integration Services)\nStored Procedures\nDatabase Performance Tuning\nDevelopment Tools\nVisual Studio\nGit\nAzure DevOps Server\nSQL Server Management Studio (SSMS)\nMarkdown File for Documentation\nEDI Fabric SDK\nPreferred Qualifications:\nExperience with application modernization and migration of legacy systems.\nExperience using off-the-shelf technologies to manipulate data and report upon CMS data files (835 & 837)\nExperience parsing, generating, and troubleshooting ANSI ASC X12 HIPAA transaction sets, specifically 837 (claims submission) and 835 (Electronic Remittance Advice / ERA)\nExperience working with Alabama Medicaid electronic data specifications, companion guides, and proprietary state formats.\nExperience integrating mainframe applications with distributed platforms and APIs.\nKnowledge of ETL design and data transformation best practices.\nFamiliarity with REST and SOAP web services.\nExperience with secure file transfer processes and data integration workflows.\nExperience with enterprise reporting and document generation solutions.\nKnowledge of Agile/Scrum methodologies.\nExperience with Microsoft Azure cloud services.\nExperience in healthcare, financial services, government, insurance, or other highly regulated industries.\nEducation Required:\n\nAdvanced Systems Design, Inc. is:\nA leading Information Technology provider for Federal, State & Local government agencies.\nA certified minority-owned small business government contractor with capabilities related to Public Health IT, Criminal Justice, Transportation, and Defense.\nA certified service-disabled veteran-owned company with a proud 46-year track record of providing successful innovative solutions for our government customers.\nA drug-free workplace in accordance with the Drug-Free Workplace Act of 1988.\nApplicants who have a signed offer of employment or contractor agreement are subject to:\nthe pre-employment testing protocol:\nbackground investigation\ndrug screening\nOur Employees:\nAre actively working on next-generation technology projects with the U.S. Department of Veterans Affairs, CDC, and a wide array of Federal, State, and Local agencies throughout the United States\nAre eligible for wide-ranging benefits and perks, including but not limited to:\nComprehensive Health Insurance with PPO and HDHP/HSA options\nDental Insurance\nVision Insurance\nShort/Long-Term Disability\nGroup Life Insurance - Company Paid\nVoluntary Life Insurance\n401(k) Plan with Employer Match\nPaid Time Off (Vacation/Sick)\nHoliday Pay - Company Paid Federal Holidays\nProfessional Certification Incentive Plan\nEmployee Referral Plan\nTechnology Exposure\nFor additional information regarding Advanced Systems Design, please check out our WEBSITE or click HERE for all current job openings.\n\nAdvanced Systems Design is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.","datePosted":"2026-08-10T15:10:49.068Z","dateModified":"2026-08-10T15:10:49.068Z","hiringOrganization":{"@type":"Organization","name":"Advanced Systems Design","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Montgomery","addressRegion":"AL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3e4909ca57d312c86ec93309"},"url":"https://jobsearcher.com/jobs/3e4909ca57d312c86ec93309"}}