Full-Stack Engineer

About the role

We are looking for a senior Full‑Stack Engineer to own the SEOTopSecret product end‑to‑end, from the marketing site to the client portal, billing layer, data model and automation pipelines. You will be responsible for architecture, releases, performance, and technical decisions that power every client deliverable.

Key responsibilities

• Design, develop and maintain the marketing site (seotopsecret.com) and client portal (clients.seotopsecret.com) with a focus on Core Web Vitals and bundle budgets.
• Manage the Supabase data model, including schemas, migrations, Row‑Level Security policies, storage buckets and authentication flows.
• Implement and operate the Stripe subscription layer, handling webhooks, plan changes, proration and failed payments.
• Build scheduled automations using Vercel cron and LLM API integrations for monthly reports, briefs and publishing workflows.
• Develop a component system with design tokens, dark mode and i18n (EN, es‑MX, en‑AU) and ensure proper hreflang implementation.
• Set up observability: error tracking, deployment monitoring, uptime alerts and incident response.

Required profile

• 5+ years of production‑grade TypeScript full‑stack development.
• Deep experience with Next.js App Router, React Server Components, Server Actions and middleware.
• Proven track record with Supabase or similar BaaS, writing RLS policies, migrations and triggers.
• Hands‑on experience with Stripe subscriptions in production, including webhook debugging.
• Delivered features that integrate LLM APIs, managing tokens, cost, latency and error handling.

Required skills

• TypeScript
• React
• Node.js
• Next.js (App Router)
• PostgreSQL / Supabase
• Stripe API
• Vercel (cron, deployments)
• LLM API integration
• Tailwind CSS
• Framer Motion

What we offer

• Remote‑first, async‑first work environment with flexible timezone within ±3 hours of CET, CDMX or AEST.
• Direct reporting to the founder – no middle management.
• Full visibility into product P&L, pricing, margins, MRR and churn.
• Competitive salary and meaningful equity aligned with market.