Senior Full-Stack Developer / Technical Lead for High-Traffic Product to $6000

We’re looking for a senior full-stack engineer who can step into a key technical role in our team. The main initial focus is analytics, tracking accuracy, and data infrastructure, but the role goes far beyond that: we need someone who can review the full product, improve architecture, work on core features, and bring structure to the development process.

You will:

• audit and rebuild analytics and event tracking
• improve tracking accuracy across GA4, Mixpanel, Facebook CAPI, and BigQuery
• review and refactor the current codebase and architecture
• help implement new product features
• improve overall engineering quality: code review, testing, GitHub processes, and team workflows
• support and mentor a small level team
   

Our stack includes Next.js 15, React 19, TypeScript, Node.js, Supabase, Vercel, BigQuery, GA4, Mixpanel, and Facebook CAPI.
 

We need someone who has experience with high-load products, understands analytics deeply, but can also operate as a strong product engineer and technical leader across the entire system