Senior C#/.NET Engineer — Greenfield AI Solutions

Archer Recruitment; Dublin; On-site; EUR 120,000 - 144,000; Full time

Job summary

Archer Recruitment is seeking a Senior Software Engineer in Ireland to design and build greenfield software within a large-scale AI transformation programme. You will work on enterprise-ready solutions, focusing on C#/.NET, APIs and microservices, with a strong emphasis on AI agents and data retrieval.

You will join a high-calibre team at the forefront of AI technology, contributing from concept through to production in a fast-paced environment that values ownership and impact.

Qualifications

• 10+ years' professional software engineering experience.
• Strong C# / .NET experience across modern .NET, APIs and distributed/microservice-based systems.
• 1–2 years' hands-on experience building AI agents, with MCP and RAG.

Responsibilities

• Design and build scalable, production-ready software solutions using C# and .NET.
• Work on greenfield applications and services within a large-scale AI transformation programme.
• Build and integrate AI agents into enterprise software solutions.
• Develop and work with RAG pipelines and AI-powered data retrieval.
• Build and integrate MCP-based tools and services.
• Collaborate with AI and engineering specialists to turn ideas into production solutions.

Skills

C# / .NET

AI agents

RAG pipelines

MCP

Distributed systems

Production-grade software

Tools

APIs

Microservices

Job description

Archer Recruitment is seeking a Senior Software Engineer in Ireland to design and build greenfield software within a large-scale AI transformation programme. You will work on enterprise-ready solutions, focusing on C#/.NET, APIs and microservices, with a strong emphasis on AI agents and data retrieval.

You will join a high-calibre team at the forefront of AI technology, contributing from concept through to production in a fast-paced environment that values ownership and impact.