Senior Software Engineer (.NET/C#)

Senior Software Engineer (.NET / C#)

Location: Dublin, Ireland
Job Type: Permanent | Full Time | Hybrid
Salary Range: €65,000 – €80,000 per annum (DOE)

Overview

My client is seeking a Senior Software Engineer to join a cross-functional development team building a modern, enterprise-scale middleware platform. The platform integrates complex systems and delivers secure, high-performance solutions used by customers worldwide.

The ideal candidate will have a strong background in .NET, C#, ASP.NET Core, and Angular, with a focus on delivering maintainable, scalable software. You will contribute across the full software lifecycle — from design and implementation to testing and maintenance — while collaborating in an Agile environment with geographically distributed teams.

Key Responsibilities

• Lead the design, development, and maintenance of enterprise applications using C#, ASP.NET Core, and related .NET technologies.
• Implement and maintain RESTful APIs, integrating with internal and external systems.
• Apply best practices in software design, clean coding, and automated testing.
• Mentor junior developers and provide technical guidance to peers.
• Collaborate closely with Product Owners and stakeholders to define requirements and estimates.
• Write clear and comprehensive technical documentation, including architecture diagrams and deployment guides.
• Participate in Agile ceremonies, promoting continuous improvement and team collaboration.
• Stay current with evolving .NET technologies and contribute to technology adoption discussions.

Skills & Experience

• 5+ years of experience in software engineering with a focus on C# and .NET (Framework and Core).
• Proven experience with ASP.NET Core, Entity Framework, LINQ, and SQL Server.
• Strong proficiency in Angular, TypeScript, HTML, CSS, and JavaScript.
• Experience with RESTful APIs, SOA, and microservices-based architectures.
• Solid understanding of object-oriented design, design patterns, and test-driven development (TDD).
• Experience with Azure DevOps, Git, and CI/CD pipelines.
• Familiarity with Agile / Scrum practices.
• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience with RxJS, SignalR, or Node.js integration.
• Exposure to containerisation (Docker, Kubernetes).
• Understanding of cloud-based solutions (Azure preferred).
• Previous involvement in large-scale distributed systems is a plus.

Interested? Please click below to apply. Contact Joseph Mullan in Reperio Human Capital with any questions.

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