Senior Full-Stack AI Engineer , Creative Platform

About us

What you will do

• Ship features across app.coinis.com. Campaign launcher, Creative Library, Revise tool, Advertise reporting.
• Wire new AI workflows into the product UI. Image Ads, Ad Clone, UGC Style, Before-After, Sale Promo.
• Own the token-gated actions layer and billing integration.
• Build against the Meta Business API for campaign create, ad set config, and performance reporting.
• Design APIs on Cloudflare Workers and ship typed clients for the frontend.
• Improve onboarding. Get new users to the aha moment in under 5 minutes.
• Partner with the generative ML team to productize new models as they land.

About your position

We are building the fastest path from product URL to launched ad campaign on Meta. You are the engineer who connects our AI models to a product interface ecommerce operators actually use. Front of the stack is React 19 and TypeScript. Back is Cloudflare Workers, D1, R2, and Queues. You move between them daily.

Job requirements

Must have

• 5+ years building production web apps end to end.
• Strong TypeScript. React 19 patterns, not jQuery muscle memory.
• Comfort with server-side. Cloudflare Workers, Node, or similar.
• Experience with modern data layers. D1, Postgres, or equivalent.
• You ship fast and you ship right.

Nice to have

• Meta Business API, Marketing API, or Graph API experience.
• Zustand, TanStack Query, Radix UI, Tailwind v4.
• LLM tool-use or agentic workflow experience.
• Billing integrations with Stripe.

Qualifications

01

Education

BSc in Computer Science or equivalent experience.

02

Experience

5+ years

03

Skills

TypeScript, React 19, Cloudflare Workers, D1, R2, Tailwind v4, Meta Business API, Stripe, Zustand, TanStack Query

What we offer

What you get

• Competitive salary in EUR.
• Equity participation in the SaaS spinout.
• AI-augmented workflow. Claude Code and Cursor are standard tooling.
• Real ownership. Your features ship to real customers within days, not quarters.
• Remote-first. Flexible hours.
• Home office and hardware budget.

Other information

We expect you to use AI tools daily. We hire engineers who multiply themselves with AI, not engineers who resist it.