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Back-End and Application Programming Interface (API) Developer

Stellar Solutions

Salary not specified
Sep 26, 2025
St. Louis, MO, US
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Develop and maintain robust back-end services and REST APIs.

Requirements

  • Strong expertise in .NET Core, C-Sharp.NET, and API development.
  • Solid understanding of data model design and development.
  • Familiarity with enterprise integration and security practices.
  • Experience with database optimization and secure data handling practices.
  • Proficiency with Agile delivery tools such as Jira or Azure DevOps.
  • Microsoft Azure Developer, AWS Developer Associate certifications are a plus.

Responsibilities

  • Develop and maintain robust back-end services and REST APIs using C-Sharp and .NET Core.
  • Implement and maintain MVC and microservice architectural patterns.
  • Ensure scalability, performance, and security of APIs.
  • Apply best practices in data structures (Lists, Dictionaries, Hashes) in C-Sharp, .NET.
  • Integrate back-end systems with Oracle Fusion/OIC and other enterprise applications (as applicable).
  • Follow Agile development methodologies for iterative delivery.

Other

  • 6 months, with option to extend
  • Onsite – St. Louis
  • Collaborate with internal API developers and cross-functional teams.