Principal Software Engineer (.NET)

Hybrid Role | 3 days per week in the office | Cork City Centre

Barden is delighted to partner with a tech company in Cork in their search for a Principal Software Engineer to join their team. This person will work closely with engineering leadership to evolve legacy systems into modern, cloud-native architectures.

ABOUT THE ROLE (.NET | C#)

• Leading the technical execution of large-scale platform modernisation initiatives
• Writing production code and leading complex engineering work across the team
• Decomposing legacy systems and introducing modern architectural patterns
• Partnering with architecture, platform and product teams to define service boundaries and integration patterns
• Establishing engineering standards, testing practices and design principles across the team
• Leading technical design discussions and mentoring engineers at different experience levels
• Driving incremental modernisation approaches that avoid large-scale rewrites
• Identifying opportunities to leverage AI-assisted development tools and intelligent capabilities within the platform

ABOUT YOU

• Deep expertise with .NET / C# and modern engineering practices: 10+ years of hands-on experience
• Active daily user of AI development tools (Cursor, Copilot, Claude Code) - these are how you work, not tools you’ve tried once
• Significant experience modernising legacy systems into modern architectures
• Strong TypeScript / Angular experience, with the ability to own features end-to-end across the full stack
• Strong experience designing and building distributed or service-oriented systems
• Cloud-native development experience (Azure preferred)
• Experience working across the full development lifecycle including CI/CD and automated testing
• Strong database and performance optimisation experience
• Proven ability to mentor engineers and influence engineering standards across teams

OTHER DETAILS

• Opportunity to play a key role in the modernisation of a large-scale production platform
• Work alongside senior engineering leadership and architecture teams
• Modern engineering environment with strong focus on cloud and AI-enabled development tools
• Opportunity to influence engineering practices and technical direction across multiple teams

Permanent position: salary + benefits (pension, full family healthcare, etc.)

If suitable, please apply here or contact rachel.mcguckian@Barden.ie for more information.