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MCS Group

Jobs Hiring Closed Discussion

17 jobs

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17 jobs Posted Sort

Senior Backend Engineer — 35-Hour Week, AI Tools

NewBe an early applicant UKSenior

Senior backend-leaning full-stack engineer joining a growing Belfast team (recruited via MCS Group), owning complex integrations on a major platform programme. Daily work uses React, Ruby and AWS, with AI coding assistants across the lifecycle and collaboration with US engineering counterparts.

AI AWS React Ruby

Principal Software Engineer

NewBe an early applicant RemoteUKPrincipal

Senior hands-on individual contributor designing, building and owning scalable enterprise software — backend services, APIs and some frontend — for a high-growth technology organisation entering Northern Ireland, using AI-assisted dev tools (Cursor, Claude Code, Copilot). Nearly fully remote; salary up to £110,000.

AI API Claude Code GitHub Github Copilot +1 skills

Senior Software Engineer (Backend focus)

NewBe an early applicant RemoteUKSenior

Senior backend-leaning full-stack engineer joining a growing Belfast team (18 people) on a major platform programme: building full-stack apps, integrating with large-scale enterprise systems, and shaping architecture alongside US engineering teams. Core stack is React, Ruby and AWS, with AI coding assistants used throughout development.

AI AWS React Ruby

Senior Software Engineer (Belfast-Hybrid)

New HybridUKSenior

Senior software engineer at a growing SaaS product company in Belfast (hybrid, 2 days/week in office), owning features end to end across backend services, APIs, and frontend. Core stack is PHP/Symfony, Angular/TypeScript and AWS, with Node.js, Python, Rust, Docker/Kubernetes and AI-assisted development tools.

AI Angular API AWS ChatGPT +11 skills

Power Platform Developer

Hands-on Power Platform developer role in Belfast (hybrid) building business apps, automations and AI-powered solutions for a global organisation's clients using Power Apps, Power Automate, Dataverse, Power Pages, Copilot Studio, AI Builder and Power BI. Open to NI/ROI candidates; must be based in Belfast with UK right to work.

AI Power Platform

AI Software Engineer - Mid Level

Mid-level full-stack engineer joining a newly built technology team at a growing Belfast-based business, developing customer-facing software products end to end. Day-to-day covers frontend/backend feature work, prototyping, cloud deployment, and using AI tooling/LLMs; salary £30,000–£40,000 with work-from-home benefit.

AI Cloud C# Java LLM +1 skills

Principal Product Designer - Belfast

RemoteUKPrincipal

Principal Product Designer owning UX end-to-end for a complex, data-heavy enterprise product line at a growing Northern Ireland technology business. Hands-on individual-contributor role working with product and engineering; experience with applied AI, knowledge graphs, or security-focused B2B software is valued. Up to £90,000 with four-day working weeks.

AI Data Ingestion Design Thinking

Mid level software engineer

A mid-level full-stack engineer in Belfast joining a newly formed tech team, owning features end to end across frontend and backend, building prototypes, and deploying cloud-based applications, with AI-assisted development tools and practical AI/LLM experience central to the day-to-day role.

AI Cloud C# Java LLM +1 skills

Senior Software Engineer (Full Stack)

HybridEuropeSenior

Senior full-stack engineer to take ownership of an established UK/Ireland business's core software platform, building features across a TypeScript stack (Node.js/NestJS, React, Next.js) on AWS, integrating payment and identity-verification APIs, and helping bring development in-house from an external partner. 5 days on-site in Dublin; salary up to €80k.

Accessibility AI API AWS CDK +13 skills

Mid & Senior Java Developers

Open 16d UKSenior

Recruitment agency MCS Group is hiring mid and senior Java developers in Belfast for a major technology-led client building a new engineering capability. Day to day: build scalable Java/Spring Boot backend services, secure REST APIs and cloud-native migrations (AWS/Azure/GCP), with automated testing, CI/CD and live-incident support; seniors mentor and lead delivery.

AI API AWS Azure CI/CD +20 skills

Software Engineer

Open 17d HybridUKFull-time

Software Engineer -Belfast | Hybrid | Permanent MCS Group is working with a growing technology company in Belfast that is looking to add 2 Software Engineers to its growing development team. This is a great opportunity…

AI API AWS Azure Cloud +11 skills

Senior Frontend Engineer (React/Typescript)

Open 24d HybridUKFull-timeSenior

Senior Software Engineer Belfast | Hybrid - 3 days per week in the office |15% bonus | Permanent We're working with a fast-growing technology business that uses AI, data and technology to transform how insurance…

Agentic AI AI AWS Cloud Design Patterns +2 skills

Software Engineer (Security)

Open 28d HybridUK

Software Engineer Belfast - Hybrid Salary up to £55,000 The Opportunity We are delighted to be partnering with a high-growth technology organisation as they seek to appoint a Software Engineer to join their…

AI Authentication AWS Cloud Cloud Security +8 skills

Senior Backend Engineer (Platform)

Open 29d HybridUKFull-timeSenior

A senior backend engineer joins a small platform team in Belfast (hybrid, ~3 days/week in office) to design, build, and run scalable backend services end to end. Core stack is TypeScript/Node.js on AWS with microservices, Kubernetes/Docker, and event-driven architecture, plus some Go and Python.

AI API Api Security AWS DevOps +8 skills

Senior Backend Engineer (Typescript)

Open 32d HybridUKSenior

Senior Backend Engineer (TypeScript) with a well-established Belfast technology company, hybrid with 3 days in office. Day to day: building and improving large-scale TypeScript microservices on AWS using Docker/Kubernetes, shaping architecture, owning projects end to end and mentoring other developers.

AI AWS Cloud Docker Kubernetes +3 skills

Senior Software Engineer (React/Typescript)

Open 33d HybridUKFull-timeSenior

Senior Software Engineer Belfast | Hybrid - 3 days per week in the office |15% bonus | Permanent We're working with a fast-growing technology business that uses AI, data and technology to transform how insurance…

Agentic AI AI AWS Cloud Design Patterns +2 skills

Senior Front End Developer

Open 36d RemoteUKSenior

MCS Group is working with a growing technology business to recruit a Senior Front End Engineer to join its product engineering team. This is a hands-on role for an experienced React engineer who enjoys working on…

Accessibility AI Generative AI LLM React +1 skills