Anwendungsentwickler:in – Full‑Stack Remote Contractor

About the role

We are an early‑stage stealth startup building a disruptive B2B2C SaaS platform. We seek a highly skilled, autonomous Full‑Stack Developer to create our MVP from scratch on a fully remote basis.

Key responsibilities

• Develop a cross‑platform mobile container app (iOS/Android) that dynamically loads tenant‑specific branding, themes, and catalogs.
• Build a responsive web admin dashboard for business owners to manage clients, track MRR, configure membership tiers, and view analytics.
• Integrate Stripe (Connect, Billing, Checkout) and local payment methods such as Apple Pay, SEPA, and Klarna.
• Design a secure, scalable multi‑tenant relational database and associated APIs.
• Set up DevOps pipelines on AWS, Vercel, Firebase, or Supabase for rapid MVP deployment.

Required profile

• Proven experience shipping full‑stack SaaS MVPs (portfolio or GitHub links required).
• Ability to balance rapid delivery with clean, scalable code.
• Proactive problem‑solver who proposes technical solutions when specifications are vague.
• Fluent written and spoken English.

Required skills

• Mobile: React Native or Flutter (white‑label, multi‑tenant apps).
• Web Frontend: React, Next.js, or Vue.js (Tailwind CSS preferred).
• Backend: Node.js (Express/NestJS) or Python (FastAPI/Django).
• Database: PostgreSQL or MongoDB with multi‑tenant data isolation.
• Payments: Deep expertise with Stripe API (Billing, Connect, Checkout).
• Third‑party APIs: Twilio/WhatsApp, OpenAI.
• DevOps/Cloud: AWS, Vercel, Firebase, Supabase.

What we offer

• 100% remote work.
• Contract / freelance engagement with a monthly rate of 80,000.
• Potential transition to a long‑term CTO or Lead Developer role.