Senior Frontend Engineer - Belfast (Hybrid) MCS Group is working exclusively with a global financial services organisation building out their engineering team in Belfast. We're looking for a Senior Frontend Engineer to help deliver business-critical platforms used across international markets. You'll work closely with architects and principal engineers, owning the design and build of modern React/TypeScript applications. The role involves mentoring others, driving best practice, and contributing to high-quality, scalable UI development in an Agile environment. Key experience: * Strong React, TypeScript and modern JavaScript * Building scalable, maintainable UI components * Automated testing (Cypress, Selenium or similar) * Performance optimisation and web security awareness * Ability to mentor and influence engineering standards Bonus: Figma, Storybook, AWS, or financial services experience. If you're interested, message me directly to find out more. Skills: React