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Sr Software Engineer

Remote, USA Full-time Posted 2026-06-17

Apex Systems is seeking an experienced developer/engineer to maintain in-house, business-critical legacy applications while leading the modernization efforts using potential low-code platforms for a client based in Richmond, Virginia. The ideal candidate will ensure business continuity by managing existing systems and driving a structured, risk-managed transition to modern solutions.KEY POSITION RESPONSIBILITIES/DUTIES?· Maintain and enhance legacy applications using MS Access, ASP.NET, SQL Server, VBScript, VBA, and other technologies around Microsoft technologies leading all stages of the software development life cycle (SDLC) or Rapid Applications Development (RAD) cycle as appropriate.· Providing timely enhancements and defect mitigation within various Microsoft platforms while documenting existing systems, workflows, and dependencies.· Working with end-users to identify/implement application improvements while also collaboratively defining modernization priorities.· Provide technical leadership on analysis, design, development, and performance of systems keeping data migration strategies focused on business continuity while maintaining on-premises data security.· Develop and implement a phased modernization strategy using low code and other latest technologies using a POC (Proof of concept) approach.· Train and support end-users on both legacy and new applications during the transition process.MINIMUM QUALIFICATIONS· 8+ years of hands-on experience in software development around various Microsoft technologies.· 3+ years’ experience with MS Access databases, SQL Server, and ASP.NET web applications. · 2+ years experience with any low code platform with Microsoft Power Platform preferred. · A bachelor’s degree in computer science, Information Technology, or a related field.· Demonstrated experience developing, deploying, and maintaining applications using Microsoft technologies. · Expert in all aspects of Software Development Life Cycle (SDLC) and/or Rapid Application Development (RAD).· Proven experience with MS-Access (versions 2003 or later), SQL Server (versions 2012 or later), and ASP.NET (versions 4.0 or later).· Demonstrated competence in the following technologies:· MS-Access, VBA, SQL Server, Transact SQL, SSIS, and other related database technologies.· Web development using ASP.NET/MVC, C#, jQueryJavaScript and other related technologies.· Demonstrated understanding of relational database design and n-tier architecture.· Experience migrating legacy applications and data to modern platforms.ADDITIONAL PREFERRED QUALIFICATION· 10+ years of hands-on experience in software development around various Microsoft technologies.· 5+ years’ experience with MS Access databases, SQL Server, and ASP.NET web applications. · 3+ years experience with any low code platform preferred Microsoft Power Platform. · MS certification in related technologies e.g. on Web development and MS Power Platform.· Understanding of business process modeling and improvement using Agile development methodology.· SharePoint and SQL Server ETL experience.· Knowledge regarding CQRS (Command Query Responsibility Segregation) architecture.· Experience with Entity Framework ORM and Power Apps or Power BI. EEO EmployerApex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178. Apply Job!

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