Senior Full-Stack .NET Engineer - AI-Driven Enterprise Backend

Greenhouse Software, Inc.; Belfast City District; On-site; GBP 80,000 - 120,000; Full time

Job summary

TRG Screen is seeking a Senior Software Engineer, Full Stack (C# .NET) based in Belfast, Northern Ireland. You will design, develop, and evolve backend services and frontend applications across our enterprise product suite, blending new feature work with modernization of legacy systems.

The role emphasises hands-on work and the use of AI tooling throughout the development lifecycle. You will contribute to architecture discussions, implement clean code, champion automated testing, and mentor

Qualifications

• 5+ years of experience as a Full Stack Developer on the Microsoft stack.
• Strong C# and .NET experience building enterprise backend systems.
• Relational DB experience (SQL Server or PostgreSQL).
• Familiarity with Git, Docker, and cloud platforms (AWS or Azure).

Responsibilities

• Design, develop, and maintain backend services and frontend applications across TRG Screen products.
• Participate in the full SDLC – requirements analysis, design, implementation, testing, deployment, and post-release support.
• Own features end-to-end across the full stack.
• Mentor junior engineers and contribute to team knowledge sharing.
• Produce technical documentation such as design specifications and runbooks.

Skills

C#

.NET

SQL

Git

Docker

AWS

Azure

Communication

Job description

TRG Screen is seeking a Senior Software Engineer, Full Stack (C# .NET) based in Belfast, Northern Ireland. You will design, develop, and evolve backend services and frontend applications across our enterprise product suite, blending new feature work with modernization of legacy systems.

The role emphasises hands-on work and the use of AI tooling throughout the development lifecycle. You will contribute to architecture discussions, implement clean code, champion automated testing, and mentor