Remote Lead .NET Architect for Modernization & APIs

Eliassen Group; Hartford (CT); 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, influence solution design, and guide modernization of enterprise applications to modern .NET services and APIs.

The role demands hands-on .NET/C# expertise, REST API development, and strong leadership to mentor teams through large-scale modernization efforts. Candidates must be located in eligible US states for remote work.

Qualifications

• Strong hands-on NET/C# development experience.
• Experience with REST APIs and backend services.
• Knowledge of Kafka and event-driven architecture.
• Experience with schema design tools like Apicurio.
• Proven enterprise application development background.
• Experience designing integrations across multiple systems.
• Experience building and supporting production-grade applications.
• Ability to translate legacy logic into modern services and provide technical leadership.

Responsibilities

• Lead the design and development of backend services and REST APIs using .NET/C#
• Help drive modernization of legacy mainframe apps into modern .NET services
• Translate existing mainframe business logic into scalable, maintainable solutions
• Design and build event-driven services, consumers, and publishers
• Lead integrations across internal and third-party enterprise platforms
• Provide technical guidance and help establish development best practices
• Partner with engineering teams on architecture, design decisions, and implementation
• Support finance, payroll, data, and other business-critical integrations
• Mentor developers and provide technical direction throughout modernization efforts

Skills

NET/C#

REST APIs

Event-driven

Kafka

Apicurio

Enterprise apps

Integrations

Technical leadership

Job description

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

The role demands hands-on .NET/C# expertise, REST API development, and strong leadership to mentor teams through large-scale modernization efforts. Candidates must be located in eligible US states for remote work.