Senior React Engineer in Belfast

Senior React Engineer (Cloud-Native Web Applications)

Do you enjoy bringing complex product ideas to life through beautifully engineered front-end systems?
Are you passionate about delivering high-performance applications that leverage cloud-native architectures end to end?

My client is seeking a Senior React Engineer to develop modern, scalable front-end applications tightly integrated with their cloud platform. You will work on highly interactive experiences where performance, reliability, and clean architecture are essential.

Key Responsibilities

• Build and maintain large-scale React applications using modern tooling.
• Create reusable UI components and optimise rendering performance.
• Integrate front-end applications with cloud-native backends and APIs.
• Contribute to architectural decision-making for distributed, cloud-first solutions.
• Implement CI/CD best practices and automated testing pipelines.
• Work closely with Product, UX, and Cloud Engineering teams.

Required Experience

• 5+ years of professional front-end development experience.
• Deep expertise in React, Hooks, TypeScript, and modern state management.
• Essential experience deploying and integrating applications on AWS, GCP, or Azure.
• Strong understanding of cloud-native patterns (serverless, microservices, managed services).
• Hands-on experience with CI/CD, Docker, and modern build systems.

Desirable

• Experience with performance profiling and frontend observability tools.
• Familiarity with GraphQL and real-time data (WebSockets, SSE).

If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly.