Application developer Work, Jobs in Ballyclare, Ant (with Salaries)

Senior Developer (C#, React Native)
System C —Belfast
- Full-time
- Mentoring
kdb+ Contractor (Capital Markets)
Data Intellect —Belfast
- Hybrid work
- Team management
- Mentoring
- Scripting
Quick apply
Group Product Manager, Software Supply Chain Trust
Cloudsmith —Belfast
- Team management
- Product management
- Travel
- Annual leave
Senior Software Developer
Wilsons Auctions Ltd —Newtownabbey
- £70,000 a year
- Full-time
- AI
- Employee discount
- Bereavement leave
Quick apply
Java Developer
Mifinity —Belfast
- Full-time
- Hybrid work
- Computer Science
- Master's degree
- Analysis skills
- Free parking
Quick apply
6d
Trade Business Developer
Wren —Newtownabbey
- £28,000 - £32,000 a year
- Customer service
- Business development
- Annual leave
- Employee discount
Quick apply
8d
Technical Support Engineer II
Delinea —Belfast
- £45,000 - £50,000 a year
- Full-time
- Remote
- English
- Computer networking
- Communication skills
- Employee assistance programme
- Life insurance
Solutions Architect, Strategic Applications
Herbert Smith Freehills —Belfast
- Full-time
- Master's degree
- Presentation skills
- SharePoint
Apps Dev Tech Lead Analyst - C13 - BELFAST
Citi —Belfast
- Full-time
- Master's degree
- Bachelor's degree
- No degree
2h
Lead Java Developer (VP)
Citi —Belfast
- Full-time
- Hybrid work
- Bachelor's degree
- No degree
- Mentoring
- Annual leave
- Employee assistance programme
Senior Developer (C#, ASP.NET MVC, JavaScript)
System C —Belfast
- Full-time
- Analysis skills
- Mentoring
Senior Full Stack Developer, AVP
Citi —Belfast
- Full-time
- Bachelor's degree
- No degree
- Mentoring
Sales Development Representative (SDR)
Cloudsmith —Belfast
- Hybrid work
- Travel
- Communication skills
- Annual leave
kdb+ Engineer
Data Intellect —Belfast
- Full-time
- Hybrid work
- Mentoring
- Software development
- Communication skills
- Paid training
- Referral programme
Quick apply
Software Developer - Prime Services
Marex —Belfast
- Full-time
- Quality control
- Financial services
- AI
Quick apply
IT Solutions Developer
Fieldfisher —Belfast
- Full-time
- Software troubleshooting
- Databases
- Analysis skills
- Work from home
14d
Consultant - Junior Java Engineer - DE - TC - UKI - Belfast
EY —Belfast
- Computer Science
- Engineering
- Databases
- Employee discount
IT Operations Engineer
Cloudsmith —Belfast
- Google Suite
- Scripting
- In-person
- Annual leave
Designer, Web Presence & Brand
Cloudsmith —Belfast
- In-person
- Communication skills
- Annual leave
Fullstack Engineer (TypeScript / Python/ AWS)
Instil —Belfast
- Full-time
- Hybrid work
- Employee assistance programme

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Senior Developer (C#, React Native)

System C -
Belfast

Apply Now

Job details

Full-time

Qualifications

Technical troubleshooting
ASP.NET
Web development
Mobile applications
Mentoring junior staff
Technical support
Software quality assurance
Mentoring
GitHub
Software testing
Software development or architecture experience
React Native

Full job description

Description

At System C, we build technology that supports better outcomes across health and care. We are looking for a Senior Software Developer to join our CIS Oncology product suite, working on ChemoCare, a market leading system that supports the safe and effective management of chemotherapy treatment across the NHS.

This is a senior individual contributor role for an experienced developer who enjoys hands on work and taking ownership of complex technical areas. You will play an important role in ensuring reliable delivery, strong engineering practice, and the ongoing evolution of a product that clinicians depend on every day.

What you will do

Design, develop, and maintain software within the CIS Oncology (ChemoCare) product suite.
Own complex features or technical areas from design through implementation, testing, and release.
Make informed technical decisions, escalating risks or trade offs when appropriate.
Contribute to the technical direction of the product, balancing near term delivery with long term maintainability.
Work closely with QA colleagues to support effective testing, defect resolution, and overall product quality.
Write clear, maintainable, and well tested code in line with agreed development standards.
Review code written by others and provide practical, constructive feedback.
Support and mentor less experienced developers as part of day to day team working.
Provide shared third line support, investigating and resolving complex production issues when required.

What you will bring

Significant commercial experience operating as a senior software developer.
Strong professional experience with C#.
Experience contributing to or supporting a mobile application built with React Native.
Experience with modern web development, including JavaScript and CSS.
A track record of designing and building maintainable software in a team environment.
Experience working with complex or long lived codebases.
Confidence contributing to technical design and making thoughtful trade offs.
Experience reviewing code and supporting quality through good development practices.

Nice to have

Experience building and maintaining ASP.NET MVC applications.
SQL Server experience, including writing and optimising SQL for production systems.
Experience using GitHub for source control and collaboration.

At System C, you will join a collaborative, mission driven team that values ownership, integrity, and continuous improvement. We offer flexible benefits, a strong focus on professional development, and the opportunity to work on technology that genuinely makes a difference.

Apply today and help shape software that supports better care.

Apply Now

Refine Your Search

application developer jobs in ballyclare, ant

Senior Developer (C#, React Native)

kdb+ Contractor (Capital Markets)

Group Product Manager, Software Supply Chain Trust

Senior Software Developer

Java Developer

Trade Business Developer

Technical Support Engineer II

Solutions Architect, Strategic Applications

Apps Dev Tech Lead Analyst - C13 - BELFAST

Lead Java Developer (VP)

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

Senior Full Stack Developer, AVP

Sales Development Representative (SDR)

kdb+ Engineer

Software Developer - Prime Services

IT Solutions Developer

Consultant - Junior Java Engineer - DE - TC - UKI - Belfast

IT Operations Engineer

Designer, Web Presence & Brand

Fullstack Engineer (TypeScript / Python/ AWS)

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