Senior Front End Engineer React – PoS

Overview

In this Senior Front End Engineer role, you own the front end for the core product, a financial operating system for live events. You will shape architecture and development of React-based interfaces, focusing on performance, maintainability, and scalability. Collaborating with product, design, and backend teams, you translate requirements into accessible, responsive UI and integrate APIs and real-time data. You’ll lead technical decisions on tooling and build pipelines, and mentor junior developers, driving impact as the company scales. This is a high-ownership role in a fast-paced scale-up that values initiative and cross-functional collaboration.

Pay / Benefits

• Salary to 90k
• Pension
• Potential equity

Responsibilities

• Lead front end architecture and development for core product using React
• Collaborate with product/design to translate requirements into polished UIs
• Partner with backend engineers to integrate APIs, payments, and real-time data
• Own front end tooling, architecture, and build/release pipelines
• Mentor junior front end developers and conduct code reviews
• Maintain performance, accessibility, and cross-browser compatibility at scale
• Contribute to strategic technical decisions in a start-up/scale-up environment

Key requirements

• Senior or lead Front End Engineer with hands-on React expertise
• Strong JavaScript/TypeScript knowledge
• Experience with component-driven architecture and state management (Redux, Context API)
• Proven ability to build high-performance, responsive web apps at scale
• Comfort with ownership and making technical decisions
• Excellent communication and collaboration skills
• Experience in PoS, hospitality, or events systems (preferred)
• Willingness to work in London office initially with flexible later

• strong communication
• collaboration
• ambition and adaptability
• React
• JavaScript
• TypeScript

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