Senior Front End Engineer (React) – Lead, Hybrid + Equity

Client Server Limited; Greater London; Hybrid; GBP 81,000 - 99,000; Full time

Benefits offered by this job

Pension

Potential equity

Job summary

Client Server Limited is seeking a Senior Front End Engineer to own the frontend for a live events POS/finance product. The role focuses on React-based architecture, performance, and collaboration with product and design teams to deliver polished interfaces.

Initially based in London with 3-4 days in the office and flexible remote work thereafter, offering influence, career progression, and potential equity within a scale-up environment.

Qualifications

• Experience working on PoS, hospitality or events systems.
• Senior/lead Front End Engineer with advanced React skills.
• Able to own technical decisions and drive frontend direction.
• Thrives in a start-up/scale-up environment with ambiguity and changing priorities.
• Excellent communication and collaboration abilities.

Responsibilities

• Lead the architecture and development of front end applications, primarily using React.
• Collaborate with product and design to translate requirements into polished, accessible interfaces.
• Partner with backend engineers to integrate APIs, payments and real-time data.
• Mentor junior front end developers and conduct code reviews to ensure best practices.
• Own tooling, architecture and build/release pipelines.

Skills

React

Leadership

Architecture

Build pipelines

Code reviews

Communication

Job description

Client Server Limited is seeking a Senior Front End Engineer to own the frontend for a live events POS/finance product. The role focuses on React-based architecture, performance, and collaboration with product and design teams to deliver polished interfaces.

Initially based in London with 3-4 days in the office and flexible remote work thereafter, offering influence, career progression, and potential equity within a scale-up environment.