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Active
On-site
Southfield, MI
Posted · 28.09.2026
LinkedIn Jobs US

# Senior C# .NET Application Developer (Hybrid)

Procure Analytics

Description Position Summary DSSI / Amicus is seeking an experienced Senior C# .NET Application Developer to join our Information Technology team. This role is responsible for designing, developing, enhancing, and supporting DSSI's Source-to-Pay suite of applications. The ideal candidate will be a hands-on, full-stack developer who can work closely with business process teams, project coordinators, and other stakeholders to translate business requirements into reliable, scalable, and user-friendly technology solutions. You will play an important role in expanding the functionality and usability of DSSI's core applications, including both front-end user experience improvements and back-end application functionality. This position also provides an opportunity to work with a diverse technology environment that includes .NET, SQL Server, IBM i/AS400, DB2, web services, XML/JSON, and e-procurement integrations. Primary Duties And Responsibilities Design, develop, enhance, and maintain web-based applications supporting DSSI's Source-to-Pay business processes. Analyze business and system requirements and translate them into effective technical solutions. Work closely with business process teams, project coordinators, and other stakeholders to understand requirements and deliver solutions that meet business needs. Develop new functionality and enhancements to existing applications, including both user interface and back-end capabilities. Provide ongoing technical support and troubleshooting for existing applications and production issues. Develop and maintain applications and services deployed on web servers. Design and implement software using established object-oriented programming and enterprise application development practices. Develop and maintain integrations using RESTful Web Services, Web API, XML, JSON, and related technologies. Work with relational databases, including SQL Server, and integrate applications with existing IBM i/AS400 and DB2 systems. Participate in application architecture, system integration, database design, and technical solution development. Take ownership of assigned projects and development initiatives, ensuring quality deliverables and on-time completion. Create and maintain appropriate technical documentation, including application documentation, help text, testing requirements and results, programmer comments, and object descriptions. Develop and execute unit and integration testing and support User Acceptance Testing as required. Support user training and assist business users with the adoption of new and enhanced functionality. Troubleshoot complex technical issues and identify opportunities to improve application performance, reliability, maintainability, and usability. Participate in code reviews and follow established IT development standards, procedures, and best practices. Stay current with emerging technologies, development practices, and industry trends relevant to the organization's technology environment. Collaborate with other developers and IT team members and provide technical guidance and mentoring to less-experienced developers. Support the organization's goals for business development, service delivery, operational efficiency, and continuous improvement through effective use of technology. Perform other duties and responsibilities as assigned by management. Comply with company policies, IT procedures, programming standards, and project/task management requirements. Support and maintain the Company's Quality Management System and applicable quality standards. Promote a professional, respectful, and inclusive work environment consistent with the Company's Equal Employment Opportunity policies. Requirements Required Knowledge, Skills, and Experience Bachelor’s degree in computer science, Information Systems, Data Processing, or a related field, or equivalent combination of education, training, and experience. 6+ years of hands-on experience developing and supporting web-based applications using C# and .NET. 6+ years of experience working with Microsoft SQL Server, including database development and SQL programming. 4+ years of experience with Telerik UI controls and object-oriented enterprise application development. Strong proficiency in C#, ASP.NET / .NET, JavaScript, HTML5, CSS3, AJAX and Web-based application development 3+ years of experience developing RESTful web services and Web API integrations. Experience developing and integrating XML and JSON-based interfaces. Knowledge of relational database design, development, and integration. Understanding of the Software Development Life Cycle (SDLC), software development methodologies, database methodologies, and system integration practices. Strong analytical and problem-solving skills with the ability to troubleshoot complex technical issues. Ability to understand business processes and translate business requirements into practical technical solutions. Strong written and verbal communication skills. Ability to work effectively both independently and as part of a small, collaborative IT team. Willingness and ability to mentor junior developers and share technical knowledge. Demonstrated ability to learn new technologies and acquire new technical skills as business and technology requirements evolve. Preferred / Additional Experience The following experience is preferred but not required: Experience working with IBM i / AS400 and IBM DB2. Experience with cXML and OCI PunchOut integrations. Experience with e-procurement, Source-to-Pay, ERP, or B2B integration platforms. Experience integrating applications with external customer, supplier, or third-party systems. Experience with enterprise application modernization or migration initiatives. Experience working in an environment supporting multiple business applications and integrations.

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