Senior React Developer

An exciting scale-up is on a mission to transform its product offering and is seeking a Senior Frontend Engineer to help shape the future of their platform as they enter a high-growth phase.

Day Rate : Up to £500 Outside IR35

Contract Length : 3 Months

Start Date : Immediate

As Senior Frontend Engineer, you’ll play a key role in evolving the platform’s frontend architecture, setting technical direction, and leading by example. Working in close partnership with software engineers, QA specialists, product managers, and designers, you’ll help deliver a seamless, accessible, and engaging user experience for a growing customer base.

Your responsibilities will include :

• Design & Development : Building high-quality, reusable, and scalable JavaScript and TypeScript code to bring product visions to life.
• Technical Leadership : Guiding technical decision-making, mentoring junior engineers, and driving frontend excellence across the team.
• Optimisation : Troubleshooting performance issues and ensuring smooth, intuitive experiences for end-users.
• Collaboration : Partnering with design and product colleagues to deliver user-centric solutions that are accessible and visually compelling.
• Quality Assurance : Championing best practices in testing, CI / CD workflows, and code quality standards.
• Innovation : Staying at the forefront of frontend technologies and bringing new ideas into the business.

About You

You’ll bring :

Nice to have : Familiarity with Webpack / Vite / Rollup, SSR technologies (ideally with Python / Django), PostHog, and mentoring experience.

If you are a Senior Developer with experience working within a Start-Up environment then apply now!