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Back-End and Programming Interface; API Developer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: JPS Tech Solutions
Full Time position
Listed on 2026-02-16
Job specializations:
  • Software Development
    Backend Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Back-End and Application Programming Interface (API) Developer
Location: St. Louis

Overview

Job Category: API Developer Backend

Job Type: Remote

Job Location: Missouri St. Louis

Compensation: Depends on Experience

W2: W2-Contract Only; C2C basis not considered.

C2C: Contract – W2

Visa Requirement: Authorized to work in the United States under the following visa categories: 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 Dev Ops
  • Relevant certifications such as Microsoft Azure Developer, AWS Developer Associate
Application Information

Apply online with your details. No other application channels are specified.

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