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MCS Group

Jobs Hiring Closed Discussion

18 jobs

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18 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

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 (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

Software Developer (Mallusk)

Early-career software developer role (via recruiter MCS Group) joining an experienced team to build a modern web platform for a large organisation, delivering features and bug fixes across the full stack. Core stack: JavaScript/TypeScript, React, Node, SQL and cloud (AWS), with mentoring and structured development.

API AWS Cloud Git JavaScript +4 skills

Senior Software Developer (North Belfast)

Open 15d HybridUKSenior

Senior Software Developer joining a growing internal engineering team at a well-established company, helping evolve a large-scale cloud-native platform used daily by thousands of users. Day-to-day work spans the full lifecycle with TypeScript, Node.js and React on AWS, including architecture, performance and CI/CD best practice; hybrid working in Newtownabbey (North Belfast).

API AWS CI/CD Cloud Cloud Native +7 skills

Software Developer (Ballymena)

Open 16d HybridUKMiddle

Software Developer Salary: Up to £37,000 Flexible working in Ballymena I'm delgihted to be partnering exclusively with a growing software solutions company in its search for a mid-level Software Developer. This is…

Agile C# .NET Git Java +6 skills

Senior Software Developer (.NET)

Open 16d HybridUKFull-timeSenior

Senior .Net Developer Location: Belfast (Hybrid) | Type: Full-Time | Permanent MCS Group is working with a global technology firm is seeking a Senior Software Developer to help manage and evolve its mission-critical…

Agile AWS CI/CD Cloud Cloud Native +7 skills

Senior Software Developer (Node and React)

Open 17d HybridUKSenior

MCS Group is delighted to be partnering with a well-established company heavily invested its internal engineering capability. Following significant investment in digital transformation, they are growing their software…

API AWS CI/CD Cloud Cloud Native +7 skills

Senior Full Stack Engineer

Open 17d UKSenior

A Senior Full Stack Engineer in Belfast (hybrid) will design, build, test, and deploy scalable event-driven microservices on a greenfield platform for a global technology organisation, using TypeScript, React, Node.js, and AWS-native services (Lambda, API Gateway, AppSync, Fargate), while mentoring junior engineers and shaping architecture.

Agile API API Gateway AWS CI/CD +11 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

Frontend-Focused Full Stack Engineer (React/.NET)

MCS Group is recruiting a Frontend-Focused Full Stack Engineer in Belfast on behalf of a technology organisation. Day to day you maintain and enhance customer-facing web apps, focusing on UIs built with React, JavaScript, HTML5 and CSS, while contributing C#/.NET backend API work as needed.

API C# CSS .NET HTML +2 skills

Senior Software Engineer -TypeScript /Python /Java

Open 22d UKSenior

Senior Software Engineer joining an international consultancy's Belfast team to work on complex enterprise projects. The role involves full-cycle development with an initial focus on TypeScript and Node.js, while also welcoming engineers with strong Java or Python backgrounds who can adapt to new stacks.

AWS Java Node.js Python React +1 skills

Senior Software Engineer - Full Stack

Open 23d HybridUKSenior

A full stack engineer in Belfast (hybrid, 3 days office/2 days home) builds and maintains web applications using C#/.NET on the backend and React on the frontend, helping migrate legacy public-facing apps to a modern React architecture and developing a reusable component library.

API C# CSS .NET HTML +4 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

.Net Software Developer

Open 26d HybridUKFull-timeMiddle

Mid-level .NET developer building business-critical trading and data platforms for a global financial services technology company's Belfast engineering hub. Day to day: C#/.NET Core backend work, SQL, AWS cloud-native services, CI/CD pipelines, code reviews and mentoring, on a hybrid model (3 days onsite in Belfast).

Agile AWS Azure CI/CD Cloud +6 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 Full Stack Engineer

Open 34d UKSenior

Belfast - Hybrid Salary up to £60,000 The Opportunity We are delighted to be partnering with a global technology organisation as they seek to appoint a Senior Full Stack Engineer to join their Belfast-based team. This…

Agile API API Gateway AWS CI/CD +11 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