Mobile/ Frontend Engineer

G2i

London, England, United Kingdom Remote permanent

Posted: January 23, 2026

Job Description

Location

London, UK - Hybrid – 3 days in office - Office location: Central London (Victoria area)

About the Role

We are looking for a Front-End Engineer with strong React Native and TypeScript experience to help build and improve a tablet-based Point of Sale (POS) application.

This role is ideal for someone with a mobile-focused background who comes from a front-end development foundation. The majority of the codebase is written in React Native, with some Next.js used for web surfaces.

The focus is on improving UI quality, optimizing performance, and building new features in a fast-paced startup environment where AI is heavily used in development workflows.

Key Responsibilities

• Build and maintain front-end features for a tablet-based POS application

• Work extensively with React Native and TypeScript

• Improve UI/UX quality and reduce clutter in an existing codebase

• Refactor and optimize front-end code to ensure performance and reliability

• Collaborate closely with product engineers and backend developers

• Ship new features quickly while maintaining high code quality

• Use AI-assisted development tools responsibly and effectively

Required Experience & Skills

• Strong experience with React Native and TypeScript

• Front-end engineering background (JavaScript, React ecosystem)

• Experience building mobile or tablet applications (not native Swift/Kotlin)

• Ability to improve and maintain existing codebases

• Experience working in startup or fast-paced environments

• Comfortable moving quickly and iterating on product features

Nice to Have

• Experience with Next.js

• Experience working on POS, payments, or fintech products

• Familiarity with AI-driven development workflows

• Experience collaborating closely with product or design teams

What We’re Looking For

• Front-end engineers who care deeply about UI quality and performance

• Candidates who are hands-on and execution-focused

• Engineers who enjoy improving and optimizing existing systems

• Team players who communicate clearly and work well in hybrid teams

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