Full Stack Software Engineer

Northern Ireland Water Limited; Belfast; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A growing software business in Belfast seeks a Software Engineer to deliver features across web, mobile, and backend systems. This role offers hybrid working and the chance to work on a variety of technologies including React and Python. It supports engineers wanting to broaden their skills in a low-ego, supportive culture with clear ownership and no micromanagement. Competitive salary and benefits including health insurance and performance-based bonuses are offered.

Benefits

Competitive salary DOE

Performance-based bonus

Free onsite parking

Flexible working

Health insurance

Qualifications

• Experience working across the stack.
• Comfortable with frontend, backend, and/or mobile technologies.
• Pragmatic approach to focus, execution, and delivery.

Responsibilities

• Deliver features across web, mobile, and backend systems.
• Collaborate with product and engineering colleagues.
• Take ownership of assigned work.
• Develop skills with support from experienced engineers.

Skills

Commercial experience as a software engineer

Experience with React

Experience with React Native

Experience with Python

Curiosity to learn and develop

Job description

MCS Group are thrilled to be partnered with a rapidly growing and highly respected software business delivering industry-leading solutions for customers across the UK and Ireland. Founded in recent years, the company has scaled quickly into a trusted, product-led organisation, supporting thousands of users through intuitive, reliable, and modern software platforms.

Now part of a larger technology group, the business combines the stability and resources of an established organisation with the pace, autonomy, and innovation of a modern SaaS company. With a broad portfolio of products, engineers benefit from exposure to a wide range of systems and long-term progression opportunities beyond a single team or codebase.

At the heart of the company is a pragmatic, low-ego engineering culture led by experienced managers who prioritise focus, flexibility, and high-quality delivery over unnecessary process or micromanagement. Engineers are trusted to take ownership, manage their workload, and do their best work.

Role Overview

As part of continued growth, the company is expanding its engineering presence in Belfast. The role offers a hybrid working model with genuine flexibility.

This position is ideal for a software engineer who enjoys variety in their day-to-day work. You'll contribute across their web portal, mobile application and backend services, with encouragement to explore different parts of the stack. If you're interested in broadening your technical capability, this will be actively supported.

What you’ll do

• Deliver features across web, mobile, and backend systems.
• Collaborate with product and engineering colleagues in a well-structured environment.
• Take ownership of assigned work and deliver high-quality, well-tested solutions.
• Develop your skills with support from experienced engineers.

What you’ll bring

• Commercial experience as a software engineer working across the stack.
• Comfort working on a mix of frontend, backend, and/or mobile technologies. Experience with some of the stack required (you don't need to have it all) - React, React Native, Python
• A pragmatic approach - happy to focus, execute, and deliver.
• Curiosity to learn and develop, with support available if you want to broaden your skillset.

Why join?

• Opportunity to work with cutting-edge AI technology
• Long-term career mobility
• A role suited to engineers who want clear ownership and protected focus time.
• Supportive leadership with minimal micromanagement.
• Established products with real users and meaningful engineering challenges
• Competitive salary DOE and benefits to include a performance based bonus, free onsite parking, flexible working and health insurance