Senior .NET Engineer – API-Driven Payments

InComm; Salt Lake City (UT); On-site; USD 90,000 - 120,000; Full time

Job summary

InComm is seeking a Software Engineer II to design, develop, and maintain enterprise applications on the .NET stack with a focus on backend services. The role includes building ASP.NET Web APIs, modernizing SOAP services to REST, and ensuring secure, scalable integrations with internal and external partners.

Strong React experience for frontend work and Oracle/SQL database development are also expected, with collaboration across Product, UX, and Architecture teams.

Qualifications

• 4+ years of professional software engineering experience.
• Advanced proficiency in C# and the .NET ecosystem.
• Experience with ASP.NET Core Web APIs and RESTful services.
• Experience with WCF (Legacy SOAP) and async data access.
• Familiarity with distributed systems and logging (Splunk).

Responsibilities

• Backend Development: Design, develop, enhance, and maintain enterprise applications using C# and the .NET platform.
• Front End Development: Develop and maintain SPA using React and build reusable UI components.
• Database Development: Develop and support Oracle database solutions and write SQL queries.
• Collaborate with Product and Architecture teams to deliver scalable solutions.
• Participate in on-call support and production incident response as needed.

Skills

C#/.NET

REST APIs

WCF (Legacy)

Async programming

Distributed systems

React

TypeScript

Tools

Splunk

Oracle DB

SQL

SOAP to REST

Job description

InComm is seeking a Software Engineer II to design, develop, and maintain enterprise applications on the .NET stack with a focus on backend services. The role includes building ASP.NET Web APIs, modernizing SOAP services to REST, and ensuring secure, scalable integrations with internal and external partners.

Strong React experience for frontend work and Oracle/SQL database development are also expected, with collaboration across Product, UX, and Architecture teams.