Senior Full-Stack Engineer (C#, ASP.NET MVC)

System C

Belfast City District

On-site

GBP 40,000 - 80,000

Full time

11 days ago

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Job summary

System C is seeking a Senior Developer to design, build, and maintain software within the CIS Oncology (ChemoCare) product suite. You will own significant features from design through to testing and release, making technical trade‑offs and guiding the team toward robust, scalable solutions.

You will work across back‑end and front‑end layers, collaborating with QA to ensure quality and supporting more junior developers.

Qualifications

Strong experience with C# and ASP.NET MVC.
Strong SQL Server experience.
Web development using JavaScript, HTML and CSS.
Knowledge of mobile app deployment to Apple and Android stores.
Experience using GitHub for source control and collaboration.
Strong analytical and problem‑solving skills at strategic and tactical levels.
Experience with complex or long‑lived codebases.
Ability to make technical design decisions and manage trade‑offs.

Responsibilities

Design, develop, and maintain software within the CIS Oncology (ChemoCare) product suite.
Own complex features through design, implementation, and handover to testing and release.
Make technical decisions and raise risks or trade‑offs as needed.
Contribute to the technical direction balancing delivery with maintainability.
Collaborate with QA to ensure quality and defect resolution.
Ensure code is clear, well‑tested, and maintainable.
Review code and provide constructive feedback.
Support and mentor less experienced developers as part of the team.
Provide 3rd line support as part of the shared team responsibility.