C# developer Work, Jobs in Belfast, Nir (with Salaries)

Senior Developer (C#, ASP.NET MVC, JavaScript)
System C —Belfast
- Full-time
- Analysis skills
- JavaScript
- Agile
Experienced Java Developers
Citi —Belfast
- Full-time
- Hybrid work
- Java
- Leadership
- Annual leave
- Employee assistance programme
Senior Developer (C#, React Native)
System C —Belfast
- Full-time
- SQL
- JavaScript
Quality Assurance Analyst
Enthalpie Energy and Engineering Solutions Ltd —Belfast
- £2,700 - £3,000 a month
- Full-time
- Microsoft Excel
- Analysis skills
- Continuous improvement
Quick apply
Mid-Level Software Engineer (.Net)
Instil —Belfast
- Full-time
- Hybrid work
- Software troubleshooting
- Agile
- Employee assistance programme
11d
Microsoft .NET Consultant
Version 1 —Belfast
- Full-time
- SQL
- AWS
- Software development
- Employee assistance programme
- Employee discount
Quick apply
Senior Software Engineer, Windows/Desktop Applications - Belfast, United Kingdom
Speechify —Belfast
- Remote
- Software troubleshooting
- Windows
- C++
10d
Software Development Manager
Plexible Digital Solutions Ltd —Belfast
- £5,000 - £7,200 a month
- Full-time
- Management
- DevOps
- Java
- Flexitime
Quick apply
QA Automation Engineer - Java/SQL (AVP)
Citi —Belfast
- Full-time
- Computer Science
- Engineering
- Bachelor's degree
12d
Web Developer (WordPress)
ProfileTree —Belfast
- Full-time
- Hybrid work
- Customer service
- Communication skills
- Marketing
- Annual leave
Quick apply
Graduate Electronics/Software Engineer
Sensata Technologies, Inc. —Antrim
- Full-time
- Engineering
- Bachelor's degree
11d
Senior Software Engineer
TeamFeePay —Belfast
- Full-time
- Hybrid work
- Engineering
- Java
- Business development
- Free parking
- Flexible schedule
Quick apply
Senior Software Developer
Wilsons Auctions Ltd —Newtownabbey
- £70,000 a year
- Full-time
- AWS
- JavaScript
- APIs
- Employee discount
- Bereavement leave
Quick apply
Senior QA Engineer
TP ICAP —Belfast
- Full-time
- Java
- AWS
- Bachelor's degree
Lead Software Engineer
TeamFeePay —Belfast
- Full-time
- Hybrid work
- Engineering
- Java
- Business development
- Free parking
- Flexible schedule
Quick apply
Mid-Level Software Engineer (React/ Typescript/ AWS)
Instil Software Ltd —Belfast
- Full-time
- Hybrid work
- Software troubleshooting
- APIs
- Agile
- Employee assistance programme
11d
Mid-Level Software Engineer (Java/ AWS)
Instil Software Ltd —Belfast
- Full-time
- Hybrid work
- Software troubleshooting
- Communication skills
- Employee assistance programme
11d
x86 Software Solution Architect and Planner
Advanced Micro Devices, Inc —Belfast
- Master's degree
- Bachelor's degree
- Organisational skills
12d
Software Developer - Prime Services
Marex —Belfast
- Full-time
- Azure
- DevOps
- Java
Quick apply
Full-stack / Back-End (Senior)
CyNation Ltd —Belfast
- Remote
- Java
- AWS
- JavaScript
- Annual leave

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Senior Developer (C#, ASP.NET MVC, JavaScript)

System C -
Belfast

Apply Now

Job details

Full-time

Qualifications

ASP.NET
CSS
Waterfall
React
Software deployment
C#
Microsoft SQL Server
.NET
Analysis skills
C
JavaScript
Scrum
GitHub
Agile
AI
TypeScript
React Native
HTML
4G/LTE

Full job description

Description

At System C, we create technology that connects care and improves outcomes across the NHS. Our CIS Oncology (ChemoCare) product plays a critical role in supporting chemotherapy treatment management nationwide, and we are continuing to invest in its safety, quality, and long-term evolution.

The Senior Developer role sits within the CIS Oncology product suite (ChemoCare), which supports the management of chemotherapy treatment across the NHS. ChemoCare is a market leading product in its field, with a forward looking programme of work to ensure it continues to provide safe, effective, and valued support to NHS customers.

This is a senior individual contributor role, intended for an experienced developer who enjoys hands on work. The role supports reliable delivery, good engineering practice, and ownership of more complex areas of the product.

What you will do:

Designing, developing, and maintaining software within the CIS Oncology (ChemoCare) product suite
Owning complex features or technical areas through design, implementation, and handover into testing and release
Making technical decisions and escalating risks or trade-offs where needed.
Contributing to the technical direction of the ChemoCare product suite, balancing near term delivery with longer term maintainability
Working closely with the QA team to support effective testing, defect resolution, and overall product quality
Ensuring code is clear, maintainable, and appropriately tested, in line with agreed development standards
Reviewing code written by others and providing practical, constructive feedback
Supporting and mentoring less experienced developers as part of normal team working
Providing 3rd line support (as part of a shared team responsibility) for the ChemoCare product, including investigation and resolution of complex defects where required

What you will bring

Strong professional experience with C# and ASP.NET MVC
Strong SQL Server experience
Experience in developing with for the web: JavaScript, HTML, CSS
Knowledge of principles of writing mobile apps and deployment on apple and android app stores
Experience using GitHub for source control and collaboration
Strong analytical and problem-solving skills both at a strategic and tactical level
Experience working with complex or long-lived codebases
Confidence contributing to technical design and making informed trade-offs
A pragmatic, calm approach when dealing with ambiguity or pressure
Clear communication, including explaining technical constraints to non-technical stakeholders
Significant commercial experience operating at senior developer level in both back-end and front-end areas

Nice to have

Experience with React Native or React, or equivalent frameworks
Experience in writing automated unit tests using NUNIT
Good understanding of waterfall, agile and scrum development methodologies, and their practical application.
Experience in .NET 10 and other latest technologies including AI integration
Experience in TypeScript

Why join System C?

You will work on software that genuinely matters, alongside people who value collaboration, ownership, and integrity. We support flexible working, encourage reflective practice, and value those who are comfortable navigating change while keeping quality and patient safety at the forefront.

Apply today and help us continue to deliver technology that supports better care across the NHS.

Apply Now

Refine Your Search

c# developer jobs in belfast, nir

Senior Developer (C#, ASP.NET MVC, JavaScript)

Experienced Java Developers

Senior Developer (C#, React Native)

Quality Assurance Analyst

Mid-Level Software Engineer (.Net)

Microsoft .NET Consultant

Senior Software Engineer, Windows/Desktop Applications - Belfast, United Kingdom

Software Development Manager

QA Automation Engineer - Java/SQL (AVP)

Web Developer (WordPress)

Graduate Electronics/Software Engineer

Senior Software Engineer

Senior Software Developer

Senior QA Engineer

Lead Software Engineer

Mid-Level Software Engineer (React/ Typescript/ AWS)

Mid-Level Software Engineer (Java/ AWS)

x86 Software Solution Architect and Planner

Software Developer - Prime Services

Full-stack / Back-End (Senior)

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