Principal .NET Engineer - AI-Driven Modernization Lead

Solas IT Recruitment; Cork; On-site; EUR 90,000 - 110,000; Full time

Benefits offered by this job

Full Benefits

Job summary

Solas IT Recruitment is seeking a hands-on Principal Engineer / Technical Lead for an established Cork-based enterprise software company. You will lead the modernization of a complex platform, code daily, guide architecture, and mentor the engineering team.

This role requires 8+ years in commercial software, experience with AWS and IaC, and daily use of AI tooling such as Cursor, Cline, and Claude Code to accelerate development.

Qualifications

• 8+ years of commercial software engineering experience with a focus on modernizing production systems.
• Cloud/DevOps experience with AWS API design and Infrastructure as Code.
• Daily proficiency with AI-assisted development tools (Cursor, Cline, Claude Code).

Responsibilities

• Lead the modernization of legacy systems to scalable, service-based architectures.
• Write high-quality code and drive best practices (testing, modular design, CI/CD).
• Mentor engineers through code reviews and pair programming; resolve complex production issues.
• Guide architectural improvements and mentor the engineering team to higher performance.
• Implement incremental refactoring and explore AI-assisted workflows to boost productivity.

Skills

8+ years software engineering

Tools

AWS

Cursor

Cline

Claude Code

Job description

Solas IT Recruitment is seeking a hands-on Principal Engineer / Technical Lead for an established Cork-based enterprise software company. You will lead the modernization of a complex platform, code daily, guide architecture, and mentor the engineering team.

This role requires 8+ years in commercial software, experience with AWS and IaC, and daily use of AI tooling such as Cursor, Cline, and Claude Code to accelerate development.