Full-Stack .NET Developer

Ethereum Technologies; Boston (MA); On-site; USD 100,000 - 150,000; Full time

Job summary

Ethereum Technologies in Boston is seeking a skilled .NET engineer to design, build, and maintain scalable web applications. You will develop RESTful APIs, implement authentication, and optimize data access with SQL Server and EF Core, while collaborating with front-end teams in Angular or React.

You'll work in an Agile environment, deploy on Microsoft Azure, and contribute to SDLC activities, reviews, and production support.

Qualifications

• Experience designing and maintaining scalable web apps with C#, .NET Framework/Core, and ASP.NET Core.
• Developed RESTful APIs and backend services using ASP.NET Core Web API.
• Implemented business logic with OOP and design patterns.
• SQL Server objects, stored procedures, views, and complex queries.
• EF/EF Core for data access and ORM operations.
• LINQ-based data retrieval and manipulation.
• Reusable components, services, and middleware for maintainability.
• Integrations via REST APIs, JSON, and SOAP.
• Authentication/authorization using JWT, OAuth 2.0, and RBAC.
• Microservices architecture and frontend integration with Angular/React.
• Performance optimization of SQL queries and API responses.
• Logging, exception handling, and monitoring; unit/integration tests (xUnit/NUnit/Moq).
• Azure-based deployment (App Services, Functions, Azure SQL).
• Git/GitHub and Azure DevOps; participation in SDLC and code reviews.
• Agile/Scrum collaboration with BAs, QA, and dev teams.

Responsibilities

• Designed, developed, and maintained scalable web applications using C#, .NET Framework, .NET Core, and ASP.NET Core.
• Developed RESTful Web APIs to support enterprise integration.
• Implemented authentication and authorization using ASP.NET Identity, JWT, OAuth 2.0, and RBAC.
• Developed database objects, procedures, views, and complex SQL queries in SQL Server.
• Used EF/EF Core for data access and ORM operations.
• Integrated frontend apps built with Angular or React with backend .NET APIs.
• Optimized performance of SQL queries and backend processing.
• Implemented testing, logging, and monitoring; deployed to Azure.
• Participated in code reviews, defect resolution, and production support.
• Collaborated in an Agile/Scrum environment and across teams during SDLC.

Skills

C#

ASP.NET Core

.NET Framework

REST APIs

OOP

Design patterns

LINQ

Azure

Entity Framework

SQL Server

Git/Azure DevOps

xUnit/NUnit/Moq

Tools

ASP.NET Core

.NET Core

EF Core

Azure App Services

Azure Functions

Azure SQL Database

SQL Server

Angular/React

Git

Azure DevOps

Job description

Ethereum Technologies in Boston is seeking a skilled .NET engineer to design, build, and maintain scalable web applications. You will develop RESTful APIs, implement authentication, and optimize data access with SQL Server and EF Core, while collaborating with front-end teams in Angular or React.

You'll work in an Agile environment, deploy on Microsoft Azure, and contribute to SDLC activities, reviews, and production support.