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Back-End and Programming Interface Developer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: TECHNOLOGY PARTNERS INC
Full Time position
Listed on 2026-09-28
Job specializations:
  • Software Development
    Backend Developer
Salary/Wage Range or Industry Benchmark: 47 - 68 USD Hourly USD 47.00 68.00 HOUR
Job Description & How to Apply Below

Technology Partners is currently seeking a talented Back-End and Application Programming Interface Developer.

Do you have experience developing high-performance REST APIs and back-end services using C# and .NET Core?

Let us help you make your next big career move a reality!

What You Will Be Doing:

You will be responsible for the end-to-end development of robust back-end services and enterprise-level APIs. You will work within a microservices architecture to ensure the scalability and security of critical systems while collaborating closely with internal development teams to deliver high-quality software in an agile environment.

Key Responsibilities:
  • Develop and maintain back-end services and REST APIs using C# and .NET Core.
  • Implement and manage MVC and microservice architectural patterns.
  • Utilize expertise in C#.NET Data structures (Lists, Dictionaries, Hashes) to optimize performance.
  • Maintain the scalability, performance, and security of all developed APIs.
  • Collaborate with internal API developers and participate in agile development methodologies.
  • Integrate solutions with Oracle Fusion/OIC and other enterprise systems.
Required

Skills & Experience:
  • 4–7 years of dedicated back-end development experience.
  • Strong proficiency in .NET Core, C#.NET, and API development.
  • Proven track record in Data Model design and development.
  • Deep understanding of enterprise integration and modern security practices.
Desired

Skills & Experience:
  • Experience with database optimization and secure data handling.
  • Proficiency with Agile delivery tools like Jira or Azure Dev Ops.
  • Relevant certifications such as Microsoft Azure Developer or AWS Developer Associate.
  • Knowledge of Oracle Fusion or Oracle Integration Cloud (OIC)
Pay:

$47.60 - $68.00 /hr.

We are interested in every qualified candidate who is eligible to work in the United States. However, we are not able to provide sponsorship at this time or accept candidates who would require a corp-to-corp agreement.

Your better future is ready, and we want to put the right tools in your hands to get you there. Let's go!

Keywords:

Back-End Developer, API Developer, C#, .NET Core, REST API, Microservices, MVC, Data Structures, Oracle Fusion, OIC, Data Modeling, Agile

All offers of employment at Technology Partners are contingent upon clear results of a thorough background check and drug screening that meet corresponding laws and regulations at the city, state and federal level.

Pay ranges are influenced by candidate qualifications, experience, and role specifics, with the actual rate determined considering skills, market conditions, and are subject to change by the employer; pay negotiations follow all state and federal legal guidelines.

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