MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission-critical solutions for enterprise and scaling clients across modern cloud ecosystems. This is a unique opportunity to join at an early stage and play a key role in shaping both technical delivery and the future growth of the Belfast team. The Role As a Senior Software Engineer, you'll work closely with clients to design, build, and deliver scalable, production-grade applications and platforms across cloud, web, API, and data-driven environments. You'll join a highly collaborative engineering team embedded directly with enterprise clients, working on complex systems that require strong technical ownership, autonomy, and adaptability. While the initial project will involve TypeScript-focused development, the company is open to engineers from strong Java or Python backgrounds who are comfortable learning new technologies and working across a modern engineering stack. This role would particularly suit someone who enjoys solving complex engineering challenges, working independently, and wants the opportunity to grow into a future technical leadership or people management role as the Belfast team expands. What you'll be doing Design and build scalable, enterprise-grade software solutions across frontend, backend, and cloud platforms Develop modern APIs, backend services, and distributed systems Work closely with client stakeholders in a delivery-focused consulting environment Build and deploy cloud-native applications on Google Cloud Platform Contribute to architecture decisions, engineering standards, and technical best practices Collaborate on data-driven and AI-enabled solutions Work across modern engineering tooling including CI/CD, infrastructure automation, and containerised environments Take ownership of technical delivery and help shape the future engineering culture of the Belfast team What you'll bring Strong commercial software engineering experience in large-scale production or enterprise environments High proficiency in at least one core backend language such as Java or Python Experience building scalable backend systems, APIs, and modern applications Exposure to TypeScript/Node.js or a strong willingness to work with and learn modern TypeScript technologies Experience working with cloud platforms such as Google Cloud Platform, AWS, or Azure Strong understanding of software architecture, engineering best practices, and scalable system design Comfortable working autonomously and taking ownership in a fast-moving environment Strong communication skills and experience working directly with stakeholders or clients Experience mentoring others or an interest in progressing into team leadership would be highly desirable Nice to have Experience with React or modern frontend frameworks Exposure to GraphQL APIs Experience with Terraform, Docker, or infrastructure-as-code tooling Familiarity with data engineering, analytics, or AI/ML-driven systems What's in it for you Join at an early stage of a fast-growing engineering consultancy Opportunity to become a foundational hire within the Belfast team Work on large-scale, enterprise-grade cloud and AI projects Gain exposure to cutting-edge technologies across cloud, data, and AI engineering Clear progression opportunities into technical leadership or management Hybrid working model Competitive salary and comprehensive benefits package Collaborative, engineering-led culture with genuine ownership and impact To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey at m.rain Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request. Not all agencies are the sameMCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google. Skills: typescript node SQL Python Java GCP