Back-End and Application Programming Interface (API) Developer

Overview:Position: Back-End and Application Programming Interface (API) DeveloperJob Type: 5-6 months (high Probability to Extend)Location: Onsite - St. Louis, MOResponsibilities:Develop and maintain robust back-end services and REST APIs using C# and .NET Core.Implement and maintain MVC and microservice architectural patterns.Ensure scalability, performance, and security of APIs.Collaborate with internal API developers and cross-functional teams.Apply best practices in data structures (Lists, Dictionaries, Hashes) in C#, .NET.Integrate back-end systems with Oracle Fusion/OIC and other enterprise applications (as applicable).Follow Agile development methodologies for iterative delivery. Required Skills:4-6 years of professional experience in back-end development.Strong expertise in .NET Core, C#.NET, and API development.Solid understanding of data model design and development.Familiarity with enterprise integration and security practices. Preferred Skills / Certifications:Experience with database optimization and secure data handling practices.Proficiency with Agile delivery tools such as Jira or Azure DevOps.Relevant certifications (e.g., Microsoft Azure Developer, AWS Developer Associate) are a plus.Skills: