API Developer - C#/.NET & Azure API Management

TECHNOLOGY PARTNERS INC; Wildwood (MO); On-site; USD 83,000 - 117,000; Full time

Job summary

Technology Partners is seeking an API Developer with 3–5+ years of experience in C#/.NET to design and implement REST APIs. You will deploy and manage Azure API Management gateways, refactor legacy endpoints, and work with mobile teams to ensure performance and security.

The role emphasizes integration with CyberSource and Genesis ERP, plus exposure to search technologies like Typesense or Elasticsearch and OpenAPI documentation.

Qualifications

• 3–5+ years of API development experience using C#/.NET.
• Strong design and documentation of REST APIs with OpenAPI/Swagger.
• Hands-on experience deploying API gateways such as Azure API Management.
• Familiarity with SQL Server and microservices.
• Experience integrating CyberSource and Genesis ERP.
• Knowledge of search tools like Typesense or Elasticsearch.
• Excellent troubleshooting and security skills.

Responsibilities

• Design and develop REST API layers exposing microservices such as shipping, pricing, and cart.
• Deploy, configure, and manage API gateways for security and routing.
• Refactor legacy endpoints into documented APIs.
• Collaborate with mobile teams to validate API contracts and performance.
• Address performance bottlenecks and ensure API observability and logging.

Skills

C#/.NET

REST API design

Azure API Management

OpenAPI/Swagger

SQL Server

CyberSource

Genesis ERP

Typesense/Elasticsearch

Education

Bachelor's degree in Computer Science/Software Engineering

High School Diploma or equivalent

Tools

Azure API Management

Job description

Technology Partners is seeking an API Developer with 3–5+ years of experience in C#/.NET to design and implement REST APIs. You will deploy and manage Azure API Management gateways, refactor legacy endpoints, and work with mobile teams to ensure performance and security.

The role emphasizes integration with CyberSource and Genesis ERP, plus exposure to search technologies like Typesense or Elasticsearch and OpenAPI documentation.