Principal C# Engineer (IoT)

TL;DR

Principal C# Engineer (IoT): Define and own technical architecture for location services, signal services, and their integration into the wider platform with an accent on performance, scalability, security, and maintainability. Focus on designing and building core backend components, APIs, responsive web UI layers, and guiding development teams on standards.

Location: Galway, Ireland
Hybrid: Minimum 3 days per week in the office
Work permit sponsorship available for excellent candidates

Salary: €90,000–€120,000

Company

Builds software for managing mobile and IoT devices at scale. Galway R&D team works on core platform and service architecture, focusing on location and signal services.

What you will do

• Define and own technical architecture for location services, signal services, and platform integration.
• Design and build core backend components, APIs, and responsive web UI layers in C# and wider stack.
• Drive non-functional aspects: performance, scalability, security, maintainability, and technical debt removal.
• Guide teams on architecture, engineering standards, design decisions, and mentor engineers.

Requirements

• Strong architectural experience in multi-tier systems, 10+ years designing and delivering complex applications.
• Deep hands-on .NET/C# development, solid JavaScript, Angular, Node.js, modern web architecture.
• Strong database knowledge (relational/NoSQL), cloud deployment (AWS/Azure).
• Judgement for solving business/technical problems sustainably; CS/maths/algorithms background.
• Experience with CI/CD, code quality, agile; clear communication to engineering/product/leadership.