Remote Lead .NET Developer: Modernization & APIs

Eliassen Group; Cheyenne (WY); Remote; USD 96,000 - 107,000; Full time

Benefits offered by this job

Referral program

Benefits package

Job summary

Eliassen Group is seeking a Lead .NET Developer for a remote contract-to-hire engagement. You will drive backend development, guide solution design, and lead modernization of mainframe applications into modern .NET services and APIs.

The role emphasizes hands-on leadership, architecture guidance, and mentoring in a large-scale transition. Key focus areas include building RESTful services, event-driven architectures with Kafka, and cross‑team collaboration to ensure reliable, scalable production

Qualifications

• Solid hands-on experience with .NET/C# and REST API backend services.
• Experience translating legacy mainframe logic to modern services.
• Proven ability to lead architecture decisions and mentor developers.

Responsibilities

• Lead backend development and design of REST APIs using .NET/C#.
• Modernize legacy mainframe applications into scalable .NET services.
• Translate business logic into maintainable, event-driven architectures.
• Design event-driven services, consumers, and publishers.
• Coordinate integrations across internal and third-party platforms.
• Provide technical leadership and establish development best practices.
• Collaborate with engineering on architecture and implementation.
• Support critical business integrations (finance/payroll/data).
• Mentor developers throughout modernization efforts.

Skills

Lead .NET development

REST APIs development

Kafka

Event-driven architecture

Technical leadership

Tools

.NET/C#

Apicurio

Job description

Eliassen Group is seeking a Lead .NET Developer for a remote contract-to-hire engagement. You will drive backend development, guide solution design, and lead modernization of mainframe applications into modern .NET services and APIs.

The role emphasizes hands-on leadership, architecture guidance, and mentoring in a large-scale transition. Key focus areas include building RESTful services, event-driven architectures with Kafka, and cross‑team collaboration to ensure reliable, scalable production