Back-End and Application Programming Interface (API) Developer
Job Category: API Developer Backend
Job Type: Remote
Job Location: Missouri St. Louis
Compensation: Depends on Experience
W2: W2-Contract Only; Kindly note that applications on a C2C basis will not be considered for this role.
C2C: Contract – W2
Job Description Visa Requirement: We are considering candidates who are authorized to work in the United States under the following visa categories only: H4-EAD, GC Holder, GC-EAD, or U.S. Citizen (USC). Job Description: We are seeking an experienced Back-End and API Developer with strong expertise in C# and .NET Core to design, develop, and maintain scalable back-end services and RESTful APIs. The ideal candidate will have hands-on experience with modern architectural patterns, enterprise integrations, and Agile development practices.
Key Responsibilities: Design, develop, and maintain robust back-end services and REST APIs using C# and .NET Core
Implement MVC and microservices architectures
Ensure API performance, scalability, reliability, and security
Collaborate with internal API developers and cross-functional teams
Apply best practices in data structures (Lists, Dictionaries, Hash tables) using C#
Integrate back-end systems with Oracle Fusion, OIC, and other enterprise platforms (as applicable)
Participate in Agile/Scrum ceremonies and support iterative development and delivery
Required Skills & Qualifications: 10 years of overall experience in back-end application development
Strong hands-on expertise in .NET Core, C#.NET, and RESTful API development
Solid understanding of data modeling and database design
Experience with enterprise integration and security best practices
Strong problem-solving and communication skills
Preferred Skills / Certifications: Experience with database performance tuning and secure data handling
Familiarity with Agile tools such as Jira or Azure DevOps
Relevant certifications such as: (Microsoft Azure Developer, AWS Developer Associate)
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JPS-5251 / Back-End and Application Programming Interface (API) Developer
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