Senior Software Developer (.NET)

Northern Ireland Water Limited; Ireland; Hybrid; EUR 50,000 - 80,000; Full time

Job summary

A leading technology company in Ireland seeks an experienced .NET Developer to enhance a mature Windows desktop application. The role involves developing new features, improving performance, and mentoring junior engineers in an Agile environment. Candidates should have at least 8 years of experience in .NET development and a solid background in SQL. The position offers a hybrid working model, competitive salary, and a chance to work in a supportive team that values your input.

Benefits

Competitive salary DOE

Comprehensive benefits package

Opportunity for remote work

Qualifications

• Minimum 8 years of experience in .NET development.
• Proven experience with SQL and optimisation of database queries.
• Enjoys improving products and has a practical approach to debugging.

Responsibilities

• Develop and enhance a Windows desktop application using .NET.
• Design new features and improve existing functionalities.
• Work closely with SQL Server for data-heavy features.

Skills

Strong experience in .NET development

Solid background working with Windows Forms

Confidence writing SQL

Experience on large, complex desktop applications

Practical debugging and performance tuning

Comfortable in an Agile environment

Job description

MCS Group is proud to be supporting a global Irish success story in their search for an experienced .NET Developer who enjoys building and improving mature, large-scale desktop applications. This role suits someone who likes working on established systems, solving problems, and delivering steady, reliable improvements that users feel straight away.

You’ll work on a well-used Windows desktop product with plenty of scope to design features, improve performance, and contribute to the overall direction of the application.

(Hybrid/Remote from Ireland)

Responsibilities:

• Developing and enhancing a complex Windows desktop application using .NET Framework and .NET Core
• Designing new features and improving existing ones from start to finish
• Working with SQL Server to support data-heavy features and improve performance
• Investigating technical issues and shaping long-term improvements
• Collaborating with other development teams, including those working on web components
• Supporting colleagues across the business when technical input is needed
• Helping guide and mentor junior engineers where appropriate

What we’re looking for:

• Strong experience in .NET development (around 8 years or more)
• Solid background working with Windows Forms
• Confidence writing SQL and understanding how to optimise database queries
• Experience working on large, complex desktop applications
• A practical approach to debugging and performance tuning
• Comfortable working in an Agile environment
• Someone who enjoys improving a product, not just maintaining it

Why join?

This is a chance to work in a supportive environment where your input is valued. You’ll be encouraged to explore new technologies, take ownership of your work, and be part of a team that delivers real impact.

Competitive salary DOE and comprehensive benefits package.

Open to fully remote, permanent contracts should the right candidate be further afield in Ireland!

To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Calum Omand Specialist Recruitment Consultant at MCS Group on 015259641

Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles www.mcsgroup.jobs