Salary: £50,000 - 50,000 per year Requirements: 3-5 years experience in Ruby on Rails (or strong backend experience with willingness to cross-train from Python) Solid commercial software engineering background Comfortable owning features end-to-end and working in production environments Interested in mentoring others and growing within a stable product team Looking for a long-term role rather than short-term contracts Responsibilities: Join a product-focused engineering team working on a live, customer-facing platform used by regulated organisations globally Engage in the full lifecycle of software development from feature design through to production releases Collaborate closely with a Dev Manager, Senior Engineers, and offshore developers Deliver quarterly releases and manage complex change requests Continuously improve a mission-critical system Technologies: Backend Cloud Python Rails Ruby AWS MySQL SQL More: We are MCS Group, partnering with a well-established, profitable software company based in Northern Ireland, developing cloud platforms for regulated industries such as animal health. Our products are designed to replace legacy systems with modern, scalable solutions utilized by government bodies and commercial organizations across the US, Canada, Australia, and Europe. We pride ourselves on being a self-funded, stable, and steadily growing business, with engineering teams across NI, the US, and Europe. Joining our team means working on challenging, real-world customer problems, having the opportunity to influence product direction, and benefiting from a profit-share scheme in a hybrid work environment (3 days onsite, 2 remote). last updated 18 week of 2026