Remote Lead .NET Developer - Backend, APIs & Modernization

Eliassen Group; City of Albany (NY); Remote; USD 96,000 - 107,000; Full time

Job summary

Eliassen Group is seeking a Lead .NET Developer for a remote contract-to-hire role. You will drive backend development and modernization of legacy mainframe systems into modern .NET services and APIs, with a focus on scalable, event-driven architectures and enterprise integrations.

The position requires hands-on .NET/C# expertise, REST API development, and leadership to guide architecture decisions and best practices across the project.

Qualifications

• Hands-on .NET/C# development
• REST APIs and backend services
• Kafka & event-driven architecture
• Experience with schema design tools such as Apicurio
• Enterprise application development background
• Experience designing integrations across multiple systems
• Production-grade applications
• Ability to translate legacy logic into modern services
• Technical leadership, architecture guidance, or mentoring

Responsibilities

• Lead backend development and design of REST APIs using .NET/C#
• Drive modernization of legacy mainframe applications into modern .NET services
• Translate mainframe business logic into scalable solutions
• Design and build event-driven services, consumers, and publishers
• Lead integrations across internal and external enterprise platforms
• Provide technical guidance and establish development best practices
• Partner with engineering teams on architecture and implementation
• Support critical finance, payroll, data, and other integrations
• Mentor developers and provide technical direction during modernization

Job description

Eliassen Group is seeking a Lead .NET Developer for a remote contract-to-hire role. You will drive backend development and modernization of legacy mainframe systems into modern .NET services and APIs, with a focus on scalable, event-driven architectures and enterprise integrations.

The position requires hands-on .NET/C# expertise, REST API development, and leadership to guide architecture decisions and best practices across the project.