Yesterday BBBH60023 Principal Full stack Engineer (Ruby/React) Negotiable Belfast

Northern Ireland Water Limited; Belfast; On-site; GBP 60,000 - 80,000; Full time

Job summary

A high-growth technology scale-up located in Northern Ireland is looking for experienced full-stack engineers to join their new hub. The role involves building core product features, contributing to AI-driven innovation, and collaborating with teams across the US and Europe. This is a unique opportunity to make a significant impact in a company that is shaping the future of the tech sector. Highly competitive compensation and early visibility in projects are offered.

Benefits

Highly competitive salary

Travel opportunities

Chance to shape a new engineering culture

Qualifications

• Strong full-stack engineering skills across various languages.
• Curiosity to work with emerging technology, particularly AI.
• Experience with AWS and a cloud-native mindset.

Responsibilities

• Build and deliver new product features across the core platform.
• Contribute to AI/ML innovation projects.
• Work cross-functionally with various global teams.
• Represent the brand in Northern Ireland and help grow the hub.

Skills

Full-stack engineering skills

AI technologies

Cloud-native mindset

Collaboration skills

Tools

React

Ruby

Python

Java

.NET

AWS

DevOps

Job description

The Opportunity

MCS Group are delighted to be working with a high‑growth technology scale‑up entering a major expansion phase. With strong funding and an ambitious roadmap ahead, this is a fantastic opportunity to join a business at the forefront of innovation in the global tech sector.

As part of their international growth strategy, the company is establishing a new hub in Northern Ireland. Early hires will have the chance to make a real impact – working on core product development, driving innovation, and helping shape the culture of the new team.

You’ll collaborate closely with experienced colleagues across the US and Europe, contribute to new product features, and get exposure to cutting‑edge technologies including AI and cloud‑native solutions.

What you’ll do

• Build and deliver new product features across the core platform
• Contribute to innovation projects, including AI/ML initiatives
• Work cross‑functionally with design, product, and engineering colleagues globally
• Represent the brand in NI and play a key role in growing the hub

What you’ll bring

• Strong full‑stack engineering skills (open on languages, e.g. React, Ruby, Python, Java, .NET etc.)
• Curiosity and drive to work with emerging tools and AI technologies
• Cloud‑native mindset, ideally with AWS and DevOps experience
• A collaborative approach and interest in shaping a new engineering culture

Why join?

• Highly competitive salary (senior & principal levels available)
• Opportunity to be part of a scale‑up in an exciting growth phase
• Real visibility and impact from day one
• Travel opportunities for onboarding and collaboration with international teams
• The chance to help establish and shape a brand‑new NI engineering hub

🔥 A chance to join a growing insurtech disruptor at a pivotal moment, working on AI‑driven innovation and scaling a platform that's set to transform a $100B+ market

To speak in absolute confidence about this opportunity please contact Rachael Walker, IT Recruitment Manager at MCS Group, 02896935487 or click the apply button below.

If this position is not right for you, we have others that are.

Please visit MCS Group www.mcsgroup.jobs to view a wide selection of our current jobs or give us a call 028 9023 5456.

All conversations will be treated in the strictest of confidence.