AI-Enabled Full-Stack .NET Engineer

Biller Genie; Belfast City District; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private health insurance

Group life death benefit

Pension with 5% employer match

25 days holiday

10 bank holidays

Job summary

Biller Genie seeks a seasoned Full Stack .NET Engineer to join our AI-enabled fintech team in Belfast. You will own significant features and drive them from concept to deployment, with broad responsibilities across the SDLC.

The role expects hands-on coding, architecture ownership, and collaboration with senior engineers in a fast-paced environment. We value practical experience with AI-assisted development and cloud platforms, plus strong UI skills (HTML/JS/CSS, jQuery).

Qualifications

• Degree in Computer Science or related field, or equivalent commercial experience in .NET.
• Minimum 2 years of hands-on .NET/C# development including ASP.NET MVC.
• Experience with Design Patterns, refactoring, and OO design.
• Experience with Web API and cloud platforms (Azure/AWS/GCP).
• Strong HTML, JavaScript, CSS (including jQuery).
• Familiarity with Git, TFS, SVN.
• Legal right to work in the UK.

Responsibilities

• Design and build future-proof solutions aligned to business needs while considering system impact.
• Collaborate with senior engineers to estimate, plan, track, and manage progress and dependencies.
• Gather requirements and release software in a timely fashion.
• Balance speed and efficiency through adaptive work practices.
• Identify, reproduce, and remediate bug tickets with the support team.
• Develop features using agentic tooling and AI-enabled practices.
• Contribute prompts, skills, and workflow improvements back to the team.
• Perform other duties as required by management.

Skills

C#

Java

OO programming

ASP.NET MVC

Web API

HTML

JavaScript

CSS

jQuery

Azure

AWS

GCP

Git

TFS

SVN

UK work rights

AI tooling

Claude

NET Core

Entity Framework

Bootstrap

Education

BSc/MSc in Computer Science

Tools

Claude Code

CI/CD

Job description

Biller Genie seeks a seasoned Full Stack .NET Engineer to join our AI-enabled fintech team in Belfast. You will own significant features and drive them from concept to deployment, with broad responsibilities across the SDLC.

The role expects hands-on coding, architecture ownership, and collaboration with senior engineers in a fast-paced environment. We value practical experience with AI-assisted development and cloud platforms, plus strong UI skills (HTML/JS/CSS, jQuery).