Principal Engineer / Technical Lead - .Net

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

Benefits offered by this job

Full Benefits

Job summary

Solas IT Recruitment is seeking a Principal Engineer / Technical Lead in Galway to modernize a complex enterprise platform. You will spend most of your time coding while guiding architecture and mentoring the team.

The role requires 10+ years of software engineering, deep .NET Core and microservices expertise, and strong frontend skills (TypeScript, React/Angular) with AWS and IaC experience. Expect a high-impact, hands-on leadership position.

Qualifications

• 10+ years in commercial software engineering focused on modernization.
• .NET Core, distributed systems and microservices expertise.
• Frontend experience with TypeScript, React and Angular.
• AWS, API design and Infrastructure as Code.
• Daily proficiency with AI-assisted development tools.

Responsibilities

• Lead modernization of legacy platforms into scalable, service-based architectures.
• Write high-quality code and enforce best practices (testing, modular design, CI/CD).
• Utilize AI tooling daily to accelerate development workflows.
• Mentor engineers via code reviews and pairing; resolve complex issues.
• Drive incremental refactoring and AI-assisted productivity improvements.

Skills

10+ years in software engineering

.NET Core

Distributed systems

Microservices

TypeScript

React

Angular

AWS

CI/CD

AI tooling (Cursor, Cline, Claude Code

Job description

Principal Engineer / Technical Lead

Location: Galway

Salary: €90,000-€110,000 + Full Benefits

Role Overview

An established enterprise software organization seeking a hands-on Principal Engineer / Technical Lead. You will lead the modernization of a complex platform, spending the majority of your time coding while guiding architectural improvements and mentoring the engineering team.

Core Responsibilities

• Modernization: Lead the transition of legacy systems to scalable, service-based architectures.
• Hands-on Delivery: Write high-quality code and drive best practices (testing, modular design, CI/CD).
• AI Integration: Utilize and champion modern IDE tooling—including Claude Code, Cursor, or Cline—within daily production workflows to accelerate development.
• Leadership: Mentor engineers through code reviews and pair programming; solve complex production issues.
• Strategy: Implement incremental refactoring and explore AI-assisted workflows to boost engineering productivity.

Technical Requirements

• Experience: 10+ years in commercial software engineering with a focus on modernizing production systems.
• Backend: Deep expertise in .NET Core, Distributed Systems & Microservices.
• Frontend: Exp in TypeScript / React / Angular (or similar) skills.
• Cloud/DevOps: Experience with AWS API design, and Infrastructure as Code.
• AI Tooling: Daily proficiency with AI-assisted development tools (e.g., Cursor, Cline, Claude Code).

Why Join?

• Stability: High staff retention and a collaborative, supportive leadership structure.
• Growth: Clear career progression within a modern engineering culture.
• Package: Competitive salary and benefits.