Full Time
5-8$/hour
TBD
Mar 27, 2026
Must-Have (Required)
Frontend:
- React (Hooks, Context, Lazy Loading, Code-Splitting)
- TypeScript (strict, Generics, Utility Types)
- Tailwind CSS or comparable
- Vite as build tool
- Responsive Design, Dark/Light Theming
- SPA + Client-Side Routing
Backend:
- Node.js + Express (REST APIs, Middleware, Error Handling)
- Python (async,
- PostgreSQL (queries, indexing, migrations)
- Supabase (Auth, RLS Policies, Realtime)
- Input Validation (Zod, Pydantic or similar)
DevOps & Infrastructure:
- Linux server administration (Ubuntu, systemd, UFW)
- Git + GitHub (branching, PRs, Actions)
- Reverse Proxy (Traefik or Nginx, SSL, rate limiting)
- Cloudflare (DNS, CDN, Proxy)
- Deployment workflows
Security:
- OWASP Top 10 (XSS, SQLi, CSRF)
- Proper CORS, CSP, HTTPS configuration
- Secret management, no secrets in code/logs
- Row-Level Security (Supabase RLS)
- Secure token handling (JWT, OAuth, Refresh Tokens)
Should-Have (Important)
- Amazon SP-API (Fees, Eligibility, OAuth)
- Stripe (Checkout, Webhooks, Subscriptions, Trials)
- eBay / Kaufland APIs or scraping
- Chrome Extension Manifest V3 (Service Worker, Content Scripts, Shadow DOM)
- Web Scraping (Playwright, Puppeteer, proxy rotation)
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- Experience with arbitrage, FBA/FBM or online retail
Nice-to-Have (Bonus)
- React Native / Expo
- Monorepo (Turborepo, npm workspaces)
- Prisma ORM
- CI/CD (GitHub Actions, Docker)
- Testing (Vitest, Jest)
- Inventory management / ERP systems
- Warehouse management (WMS)
- Product sourcing / supplier management
- Multi-channel listing tools
Soft Skills
- Self-directed and solution-oriented
- Fast, pragmatic delivery (no over-engineering)
- Willingness to read, understand, and extend existing codebases
- Experience with AI-assisted development (Claude, Copilot)
- Fluent in German and/or English
- Remote, flexible schedule