Remote .NET Backend Engineer for Modernization & APIs

Eliassen Group; Cheyenne (WY); Remote; USD 90,000 - 103,000; Full time

Job summary

Eliassen Group is seeking an experienced .NET Developer for a remote contract-to-hire role. You will focus on backend services, REST APIs, and enterprise integrations as part of a large modernization initiative replacing legacy mainframe systems with modern .NET-based services.

You will design scalable backend services, work with event-driven architectures, and support production-grade applications across integrated platforms.

Qualifications

• Strong hands-on .NET/C# development experience.
• Proven ability to design REST APIs and backend services.
• Experience in enterprise application development and integrations.
• Production-grade app development experience.
• Ability to translate legacy logic to modern services.
• Experience with event-driven architectures and related tooling.

Responsibilities

• Design and develop backend services and REST APIs using .NET.
• Develop replacement services for legacy mainframe modernization.
• Review legacy code to guide new solutions.
• Build event-driven services, consumers and publishers.
• Create integrations with enterprise and third-party apps.
• Contribute to finance-related services and payroll data flows.
• Collaborate across teams to modernize critical enterprise apps.

Skills

.NET/C# dev

REST APIs

Enterprise apps

System integrations

Production apps

Mainframe modernization

Event-driven

Kafka

Apicurio

Salesforce

Concur

OneStream

Tools

Apicurio

Salesforce

Concur

OneStream

Job description

Eliassen Group is seeking an experienced .NET Developer for a remote contract-to-hire role. You will focus on backend services, REST APIs, and enterprise integrations as part of a large modernization initiative replacing legacy mainframe systems with modern .NET-based services.

You will design scalable backend services, work with event-driven architectures, and support production-grade applications across integrated platforms.