C# / .NET Engineer — Craft scalable web APIs & services

Fulcrum Digital; Dublin; Hybrid; EUR 65,000 - 95,000; Full time

Job summary

Fulcrum Digital in Ireland is seeking a skilled software engineer to design, develop, test, and maintain C#/.NET applications across web, desktop, or backend services. You will write clean, efficient code and participate in architectural discussions.

You will collaborate with product owners, designers, and QA throughout the SDLC, conduct code reviews, optimize performance, and stay current with .NET ecosystem updates. This role embraces Agile/Scrum practices and mentoring of junior engineers.

Qualifications

• Strong proficiency in C# and .NET/.NET Core with 3+ years' experience.
• Experience with ASP.NET Core for web APIs or MVC apps.
• Solid understanding of OOP, design patterns, and SOLID.
• SQL experience with SQL Server or PostgreSQL.
• Familiarity with EF Core or similar ORM.
• Experience with unit testing (NUnit/xUnit/MSTest).
• Familiar with Git version control.
• Understanding REST API design and consumption.

Responsibilities

• Design, develop, test, and maintain C# / .NET applications (web, desktop, or backend).
• Write clean, efficient, and well-documented code following best practices.
• Participate in architectural discussions and contribute to technical design decisions.
• Collaborate with Product Owners, designers, and QA engineers throughout the SDLC.
• Conduct and participate in code reviews to ensure quality and consistency.
• Identify and resolve performance bottlenecks, bugs, and technical debt.
• Integrate with RESTful APIs, microservices, and third-party systems.
• Work within Agile/Scrum ceremonies (sprint planning, standups, retrospectives).
• Mentor junior engineers and contribute to a culture of continuous improvement.
• Stay current with emerging technologies and .NET ecosystem updates.

Skills

C# / .NET

OOP & SOLID

ASP.NET Core

REST API design

Agile / Scrum

Tools

Git

Entity Framework Core

SQL Server

PostgreSQL

NUnit/xUnit/MSTest

Job description

Fulcrum Digital in Ireland is seeking a skilled software engineer to design, develop, test, and maintain C#/.NET applications across web, desktop, or backend services. You will write clean, efficient code and participate in architectural discussions.

You will collaborate with product owners, designers, and QA throughout the SDLC, conduct code reviews, optimize performance, and stay current with .NET ecosystem updates. This role embraces Agile/Scrum practices and mentoring of junior engineers.