Senior Full-Stack AI Engineer
Primary stack
Job description
About the Position
Coinis MCP is live. Run your whole ad campaign by talking to your AI. See how it works →
We are looking for a Senior Full-Stack AI Engineer to join our Creative Platform team. You will be instrumental in building and shipping features for our AI-driven ad campaign platform.
Responsibilities
- 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 creation, ad set configuration, 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.
Requirements
Must Have
- 5+ years building production web apps end to end.
- Strong TypeScript and React 19 patterns.
- Comfort with server-side technologies: 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
Education
BSc in Computer Science or equivalent experience.
Experience
5+ years
Skills
TypeScript, React 19, Cloudflare Workers, D1, R2, Tailwind v4, Meta Business API, Stripe, Zustand, TanStack Query
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.
About the Company
We expect you to use AI tools daily. We hire engineers who multiply themselves with AI, not engineers who resist it.
Apply for this position
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Coinis is a successful ad tech company that puts emphasis primarily on personal development and career challenges with innovative projects.The collective consists of hot-blooded, passionate, and hard-powered professionals who indulge in every task with devotion and enthusiasm.