Senior Frontend Engineer

• Build and maintain modern React applications using TypeScript and contemporary frontend tooling
• Design and implement type-safe APIs spanning frontend and backend systems
• Develop and support serverless backend functions and cloud-based infrastructure
• Work within monorepo architectures using modern build tools and package management systems
• Write and maintain automated tests including unit, integration, and end-to-end testing
• Optimise frontend performance including load times, bundle size, caching strategies, and Core Web Vitals
• Conduct code reviews and maintain high standards across TypeScript, security, and code quality
• Collaborate with cross-functional teams to deliver robust, user-focused solutions

• 5+ years’ professional experience in JavaScript or TypeScript development
• Strong expertise in React and modern frontend architecture
• Experience with modern build tools and monorepo-based development environments

Desirable Experience

• Experience with API design and type-safe communication patterns
• Familiarity with AWS cloud services and infrastructure as code
• Experience with modern UI frameworks and component libraries
• Knowledge of testing strategies including unit, integration, and E2E testing
• Experience optimising performance in large-scale web applications
• Exposure to mobile development frameworks such as React Native

• Competitive salary and bonus package
• Generous annual leave allowance
• Employer pension contribution
• Private healthcare
• Learning and development opportunities
• Salary sacrifice schemes including cycle to work and home technology
• Regular company events and social activities

A rapidly growing technology scale-up operating in the safety and security sector is developing advanced cloud-based platforms and AI-driven software solutions used by large enterprise clients across regulated and mission-critical industries.

The organisation builds complex, data-heavy digital products designed to support high-performance workflows, including large-scale media processing, analytics, and intelligent insight generation. The platform is focused on delivering fast, reliable, and intuitive user experiences across highly sensitive operational environments.

The engineering team operates in a highly collaborative environment built on openness, transparency, and shared ownership, working closely with product and design to deliver impactful, scalable software.