Senior C# .NET Application Developer (Hybrid)

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.