Senior .NET & SQL Engineer — Payroll Transformation (Hybrid Dublin)

Cpl Group; Dublin; Hybrid; EUR 92,000 - 129,000; Full time

Job summary

Cpl Group is partnering with a leading organisation delivering a major transformation of its enterprise payroll and billing platforms. We are seeking a Senior Software Engineer to own payroll and billing workflows in a high-volume environment, working with engineering and business stakeholders to optimise performance and reduce risk.

The role is a 6-month contract in Dublin with a hybrid model (2 days onsite per week).

Qualifications

• 6+ years' experience in software engineering.
• Strong hands-on C# and .NET development experience.
• Advanced SQL Server expertise, including: stored procedures, query optimisation, indexing, execution plans, and performance tuning.

Responsibilities

• Own and support critical payroll and billing applications
• Troubleshoot complex production issues and perform root cause analysis
• Optimise SQL Server databases, stored procedures, and performance bottlenecks
• Refactor and improve existing application architecture
• Enhance documentation and knowledge sharing across systems
• Work across multiple integrations, middleware services, and legacy platforms
• Contribute to future modernisation and transformation initiatives

Skills

C#

NET

SQL Server

Performance tuning

Root cause analysis

Documentation

Tools

Azure

Job description

Cpl Group is partnering with a leading organisation delivering a major transformation of its enterprise payroll and billing platforms. We are seeking a Senior Software Engineer to own payroll and billing workflows in a high-volume environment, working with engineering and business stakeholders to optimise performance and reduce risk.

The role is a 6-month contract in Dublin with a hybrid model (2 days onsite per week).