.Net Developer

Ethereum Technologies; Tampa (FL); On-site; USD 90,000 - 120,000; Full time

Job summary

Ethereum Technologies in Tampa, FL is seeking a .NET Developer to design, develop, and maintain enterprise applications using C# and ASP.NET Core. You will build RESTful APIs, backend services, and robust data access layers while ensuring security, scalability, and performance.

You will implement business logic, authentication, and authorization, develop database objects, and optimize SQL queries. Collaboration with architects, QA, and product teams, plus experience with CI/CD and cloud

Qualifications

• Proven experience with ASP.NET MVC, Web API, and RESTful services.
• Strong SQL Server skills incl. T-SQL and stored procedures; ability to optimize queries.
• Experience with EF Core, LINQ, and Dapper for data access.
• Cloud experience with Azure or AWS; service deployment and scaling.
• Familiarity with unit and integration testing frameworks (xUnit, NUnit, Moq).
• Solid OO design, SOLID, design patterns, and DI across services.
• Experience with CI/CD practices, preferably via Azure DevOps.
• Ability to work in an Agile/Scrum environment and participate in code reviews.

Responsibilities

• Design, develop, and maintain enterprise applications in C# and ASP.NET Core.
• Build RESTful APIs and backend services for web and business apps.
• Implement business logic, validation, authentication, and authorization.
• Develop database objects and optimize SQL queries.
• Integrate with internal systems, third‑party APIs, and external services.
• Apply DI, asynchronous programming, and robust exception handling.
• Write unit and integration tests to ensure reliability.
• Troubleshoot defects and perform root-cause analysis for incidents.
• Participate in code reviews and maintain coding standards.
• Deploy and support apps using Azure DevOps or similar CI/CD tools.
• Collaborate with architects, QA, BAs, and product teams.
• Participate in Agile ceremonies and sprint planning.
• Maintain technical docs and contribute to performance improvements.

Skills

ASP.NET MVC

Web API

RESTful services

SQL Server

T-SQL

Stored procedures

Entity Framework Core

LINQ

Dapper

Azure or AWS

xUnit

NUnit

Moq

Unit testing

Integration testing

Object-oriented programming

SOLID principles

Design patterns

Dependency injection

Azure DevOps

CI/CD

Tools

Azure DevOps

CI/CD tools

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

We are seeking a .NET Developer with strong experience in Microsoft technologies to develop, enhance, and maintain enterprise applications. The candidate will build backend services, develop REST APIs, integrate databases, and deliver secure, scalable applications using the .NET ecosystem.

Required Technical Skills:

• Web Development: ASP.NET MVC, Web API, RESTful services.
• Database: Microsoft SQL Server, T-SQL, stored procedures, query optimization.
• ORM: Entity Framework Core, LINQ, Dapper.
• Cloud: Microsoft Azure or AWS.
• Testing: xUnit, NUnit, Moq, unit and integration testing.
• Architecture: Object-oriented programming, SOLID principles, design patterns, dependency injection.

Roles and Responsibilities

• Design, develop, and maintain enterprise applications using C# and ASP.NET Core.
• Build RESTful APIs and backend services for web and business applications.
• Implement business logic, validation, authentication, and authorization.
• Develop database objects, stored procedures, and optimized SQL queries.
• Integrate applications with internal systems, third-party APIs, and external services.
• Apply dependency injection, asynchronous programming, and exception-handling practices.
• Write unit tests and integration tests to ensure application reliability.
• Troubleshoot defects, resolve production issues, and perform root-cause analysis.
• Participate in code reviews and maintain coding standards.
• Deploy and support applications using Azure DevOps or equivalent CI/CD tools.
• Collaborate with architects, QA engineers, business analysts, and product teams.
• Participate in Agile/Scrum ceremonies, sprint planning, and technical discussions.
• Maintain technical documentation and contribute to application performance improvements.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.