Senior Frontend Engineer - TypeScript / React / AWSAt a GlanceSenior Frontend Engineer role on a modern, cloud-native product platformTypeScript / React ecosystem with AWS integration and serverless architectureHybrid working - BelfastReal ownership of UI architecture, not just shipping screensAbout the CompanyOur client is a fast-moving, product-led technology company headquartered in Belfast, building large-scale workflow solutions for some of the world's biggest enterprises. Their engineering culture is highly collaborative, modular, and cloud-native, with a genuine focus on quality, scalability, and doing things properly. This is a team that invests in its engineers through L&D budgets, clear progression frameworks, and a culture built around technical excellence.The RoleThis is a senior frontend engineering position for someone who thrives in TypeScript ecosystems, understands cloud-first software principles, and is motivated by clean, scalable frontend architecture. You'll take ownership of key UI initiatives across a modern platform, contributing across the full engineering lifecycle, not just shipping UIs, but helping shape how the platform operates end-to-end. You'll collaborate closely with platform, backend, and DevOps engineers, and play an active role in mentoring and raising engineering standards across the team.Key ResponsibilitiesLead the design and development of React-based applications using Hooks, Context, and TypeScript within a monorepo environmentBuild scalable frontend solutions integrated with AWS services and serverless APIsChampion frontend code quality, performance, accessibility, and reusability, including component libraries such as StorybookMentor engineers and guide best practices across testing (Jest, Cypress), CI/CD, and frontend observabilityCollaborate with platform teams on core decisions around authentication, analytics, real-time events, and PWA optimisationWork closely with DevOps and backend engineers in a CI/CD-driven environment using GitHub Actions, Terraform, and ArgoCDWhat You'll NeedEssential6+ years' commercial software engineering experience, including delivering React and TypeScript at scaleStrong architectural background, you've built or scaled monorepos, component libraries, or complex frontend systemsHands-on AWS experience, ideally Lambda, API Gateway, CloudFront, and S3DevOps-aware mindset with experience in CI/CD, performance tuning, and deployment workflowsA collaborative, mentoring approach with proven success in cross-functional teamsRight to work in the UKNice to HaveExperience with NestJS, GraphQL, or WebSocketsBackground in mobile or PWA deliveryExposure to or interest in Rust as a backend / systems languageWhy Apply?25 days annual leave plus public holidaysHybrid working from Belfast with flexible hoursHealth and wellness programmeL&D budget, tech talks, and regular team meetupsClear career progression framework with real room to growInterested?Reach out to Ryan Quinn directly on LinkedIn for a confidential conversation, or submit your CV via the link below.We represent the largest selection of technology roles of any recruitment firm in Northern Ireland,if this one isn't the right fit, we're always happy to meet and talk through where you want to go in 2026. Skills:JavaScript AWS TypeScriptWHJS1_NI