Senior .NET Engineer - Backend, Cloud & Microservices

Ethereum Technologies; Miami (FL); On-site; USD 120,000 - 150,000; Full time

Job summary

Ethereum Technologies is seeking a Senior .NET Developer to design, develop, and maintain enterprise applications using C#, ASP.NET Core, and .NET 6/7/8. You will lead development efforts, mentor junior engineers, and deliver scalable, secure software solutions across cloud platforms (Azure/AWS) with RESTful APIs and microservices.

The role emphasizes hands-on coding, architectural guidance, and collaboration with cross-functional teams in a fast-paced Agile environment.

Qualifications

• Hands-on experience with C#, ASP.NET Core, .NET 6/7/8, Web API, Microservices, SQL Server, and cloud technologies.
• Lead development activities, provide technical guidance, and deliver scalable, secure software solutions.
• Experience in enterprise-level applications and designing robust RESTful services.

Responsibilities

• Design, develop, and maintain enterprise applications using C# and .NET Core.
• Build scalable backend services with ASP.NET Core and Web API.
• Develop RESTful APIs and implement a Microservices architecture.
• Use Entity Framework Core, LINQ, and ADO.NET for data access.
• Write complex SQL queries, stored procedures, and functions.
• Optimize performance, scalability, and reliability of applications.
• Implement authentication with OAuth 2.0, JWT, and ASP.NET Identity.
• Integrate third-party APIs and cloud services (Azure or AWS).
• Establish CI/CD pipelines using Azure DevOps, Jenkins, or GitHub Actions.
• Conduct code reviews and enforce coding standards; mentor juniors.
• Collaborate with architects, QA, business analysts, and product teams.
• Participate in Agile ceremonies, planning, and technical discussions.
• Implement unit and integration tests (xUnit, NUnit, Moq).
• Maintain documentation and deployment procedures.

Skills

C#

ASP.NET Core

.NET 6/7/8

Web API

Microservices

SQL

Leadership

Agile/Scrum

OAuth 2.0/JWT

ASP.NET Identity

Tools

Entity Framework Core

LINQ

ADO.NET

Azure DevOps

Jenkins

GitHub Actions

Azure

AWS

SQL Server

Job description

Ethereum Technologies is seeking a Senior .NET Developer to design, develop, and maintain enterprise applications using C#, ASP.NET Core, and .NET 6/7/8. You will lead development efforts, mentor junior engineers, and deliver scalable, secure software solutions across cloud platforms (Azure/AWS) with RESTful APIs and microservices.

The role emphasizes hands-on coding, architectural guidance, and collaboration with cross-functional teams in a fast-paced Agile environment.