Senior Frontend Developer (React)

TL;DR

Senior Frontend Developer (React/Next.js): Building and optimizing high-performance e-commerce interfaces with an accent on SEO performance and merchandising tooling. Focus on improving Core Web Vitals, implementing dynamic discovery components, and driving conversion through technical frontend excellence.

Location: Remote (must be based in European time zones)

What you will do

• Optimize rendering strategies (SSR), structured data, and metadata to boost SEO performance.
• Develop dynamic merchandising tools including personalized discovery components and content automation.
• Improve Core Web Vitals (LCP, FID, CLS) to ensure high-speed user experiences.
• Collaborate with Marketing, Merchandising, and SEO teams to implement conversion-focused features.
• Deliver weekly performance reports and progress snapshots.

Requirements

• Must be based in European time zones.
• Extensive experience with React 18 and Next.js 14.
• Strong proficiency in TypeScript and modern frontend performance optimization.
• Experience with SEO technical requirements and Core Web Vitals.
• Ability to work autonomously as an independent contractor.

Nice to have

• Experience with Sanity CMS.
• Familiarity with SEO tools like SEMrush, Google Search Console, and Screaming Frog.
• Experience with testing frameworks like Jest or Cypress.

Culture & Benefits

• Freelance contract for 6 months with renewal potential.
• Direct impact on business growth and user acquisition.
• Collaborative environment with access to staging, design assets, and CMS sandbox.
• Monthly invoicing structure.