Yesterday BBBHFull Stack Software Engineer; React​/Ruby - B

MCS Group are thrilled to be partnered with a well‑funded insurtech scale‑up that has recently closed a major funding round and is entering an exciting new growth phase. Founded over a decade ago, the company has grown from early product innovation roots into a recognised player in the employee benefits space, providing dental, vision, and complementary insurance products to small and medium‑size businesses across the US.

Over the past four months, MCS Group has been partnering closely with the business to successfully build out their Belfast engineering hub, with multiple hires already in place – making this a genuinely exciting time to join a high‑growth team at the start of something special.

We’re looking for a Mid Level
Full stack Software Engineer to join our growing Northern Ireland team. You’ll work on core product features of our platform, collaborating closely with product, engineering, and AI teams. This is a chance to contribute to a fast‑growing company and innovative product
, gaining exposure to AI‑powered solutions while working in a collaborative, supportive environment.

• Deliver new features across the company's core platform.
• Contribute to AI/GenAI innovation – experimenting with and building new solutions.
• Collaborate closely with product, design, and engineering colleagues in the US.
• Represent the brand in NI and help shape the new engineering hub.
• Operate with autonomy and impact from day one.

• 3 years+ full‑stack engineering experience –
  React & Ruby is their main stack so some experience in this area is essential.
• AI/ML curiosity – experience with Generative AI or willingness to experiment with emerging tools.
• Cloud‑native mindset – AWS experience valued;
  Terraform, Kubernetes, Dev Ops exposure a plus.
• Awareness of working in regulated or compliance‑heavy domains (insurance/fintech a bonus).

• Highly competitive Salary
• Be part of a post‑funding, high‑growth scale‑up with real market traction.
• Work on core platform engineering with visibility and impact from day one.
• Help establish and shape a brand‑new NI hub.
• Travel to the US for onboarding and work with a highly skilled team.

🔥 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 –  – or click the apply button below.

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

Please visit MCS Group (Use the "Apply for this Job" box below). to view a wide selection of our current jobs or give us a call .

All conversations will be treated in the strictest of confidence.