St Selection Jobs

MCS Group is looking for an experienced Java Engineer for a contract position in Belfast. This Contract Java Engineer will work as part of a high-performing technology team, delivering large-scale, data-intensive applications within a fast-paced financial environment. This contract offers the opportunity to work on enterprise-level platforms, contr...

Principal Java Engineer - Microservices / Event-Driven ArchitectureAt a GlancePrincipal-level Java engineering role at a high-growth scaleup Event-driven microservices architecture - leading legacy monolith decomposition Flexible / hybrid working Salary: 75-85k Architecture ownership, mentorship, and real engineering leadership from day one About ...

Senior Frontend Engineer - TypeScript / React / AWS At a Glance Senior Frontend Engineer role on a modern, cloud-native product platform TypeScript / React ecosystem with AWS integration and serverless architecture Hybrid working - Belfast Real ownership of UI architecture, not just shipping screens About the Company Our client is a fast-moving...

Tech Lead (Android) | AI-First Mobile Engineering | Hybrid in London (1-2 Days per Week) | Up to £120k + Bonus + BenefitsWe're partnering with a global technology business that is investing heavily in the future of mobile engineering and looking for an experienced Android Tech Lead to help shape the next generation of mobile experiences.This is an ...

Tech Lead (Android) | AI-First Mobile Engineering | Hybrid in London (1-2 Days per Week) | Up to £120k + Bonus + BenefitsWe're partnering with a global technology business that is investing heavily in the future of mobile engineering and looking for an experienced Android Tech Lead to help shape the next generation of mobile experiences.This is an ...

Backend Developer (Node.js) | High Impact Greenfield Trading | £130k + Bonus + Benefits | London Hybrid We are partnered with an energy trading client working on one of the most unique roles in a long time. You are not required to have Financial Services experience but an interest would definitely help in making the job easier to understand. The mo...

Backend Developer (Node.js) | High Impact Greenfield Trading | £130k + Bonus + Benefits | London Hybrid We are partnered with an energy trading client working on one of the most unique roles in a long time. You are not required to have Financial Services experience but an interest would definitely help in making the job easier to understand. The mo...

Principal Software Architect / Engineering Manager Belfast | Hybrid | Permanent | Competitive + Leadership Bonus This one is different. Most architecture roles are advisory. This one has teeth. Our client is on a genuine platform transformation journey, moving away from complex legacy systems toward a modern, cloud-native architecture,and they n...

Staff .NET Developer / Principal Engineer - Cloud & Platform Architecture At a Glance Principal / Staff-level engineering role leading a full platform transformation Deep .NET / C# stack with modern cloud-native architecture (Azure / AWS) Hybrid working - Belfast city centre office Real ownership over technical direction, this role has teeth Abo...