Backend Engineer - Data Platform - C#/Python

Stelfox IT Recruitment; Cork; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

Stelfox IT Recruitment partners with a fast-growing software company in Cork to hire a Senior Backend / Senior Software engineer for data and backend services. You will work on core production systems, helping to scale and deliver reliable APIs.

The role emphasizes AI-enabled development, ownership from build to production, and a collaborative team culture. The hybrid setup requires three days in Cork, offering an exciting stage as the business expands.

Qualifications

• 7-10+ years of experience in software engineering.
• Strong background in backend services and production systems.
• Environment is mainly Python and C#/ .NET, but flexible on programming background for strong backend engineers.

Responsibilities

• Build and scale production grade backend services.
• Design reliable, well-structured APIs and integrations.
• Help embed AI capabilities across the product suite.
• Own what you ship, from build through to production.
• Join a collaborative engineering team that is still growing.

Skills

Backend development

API design

Production systems

AI integration

Team collaboration

Tools

Python

C#

.NET

Claude Code

Cursor

Notion

Job description

Stelfox is partnering with a fast-growing software company in Cork as they look to hire a Senior Backend / Senior Software engineer for their Data & backend services.

They have a strong engineering team in Cork and are continuing to build it out as the business scales. AI capabilities are being embedded across their products, so this is a very exciting stage to join.

You will get the chance to work on core services in production that act as the foundation for every product to run on across the organisation.

ABOUT THE ROLE

• Build and scale production grade backend services.
• Design reliable, well-structured APIs and integrations.
• Help embed AI capabilities across the product suite.
• Own what you ship, from build through to production.
• Join a collaborative engineering team that is still growing.

ABOUT THE PERSON

• 7-10+ years of experience in software engineering.
• Strong background in backend services and production systems.
• Their environment is mainly Python and C#/.NET, but they are flexible on programming background for strong backend engineers.
• Actively using AI in your day-to-day engineering work, with tools like Claude Code, Cursor, and Notion, and able to speak comfortably about your experience.

OTHER DETAILS

• Hybrid working: 3 days per week in the Cork office.
• AI-first engineering culture, with the latest tools part of the daily toolkit.