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SaaS & Product Development

Multi-Tenant AuthStripe BillingAdmin Panel

SaaS MVP Development

Your SaaS Idea Stays Stuck Until You Ship Something Real

4–6

Weeks to Launch

Production-ready

100%

Code Ownership

No vendor lock-in

95+

Lighthouse Score

Performance target

Replatforming Cost

Scales past $10K MRR

What SaaS MVP Development Actually Delivers — And What It Skips

Your MVP ships in 4–6 weeks with auth, billing, and a working dashboard—not a prototype riddled with placeholder screens. We build on Next.js, Supabase, and Stripe because your stack needs to survive first revenue, not collapse when you hit your first hundred users. Multi-tenant row-level security ships from day one so you're not retrofitting data isolation after a breach scare. Subscription webhooks are tested against failure states most boilerplates ignore—silent charge failures, plan downgrades during billing cycles, seat enforcement when a user invites their sixth teammate. You own the repo, deploy to Vercel or your own infra, and your team can extend it without decoding someone else's framework. This isn't about cramming features—it's about shipping the core loop that lets you charge money and gather feedback before your runway burns out.

Wo Projekte scheitern

No-code tools hit a wall around $5K–$10K MRR Replatforming mid-growth is expensive, slow, and burns runway you can't afford to waste.

Boilerplate starters skip multi-tenancy and row-level security When data leaks between tenants, you lose trust fast — and the liability exposure is real.

Stripe looks straightforward until webhooks start failing silently Customers get charged but lose access. Or they get free access indefinitely. Neither is good.

Hiring a full-stack team for an MVP eats 3–6 months of runway You run out of money before you've even validated whether anyone wants the thing.

Without audit logging or an admin panel from day one, support tickets pile up and your team has zero visibility into what's actually happening with user accounts. Support tickets pile up with zero visibility into user state

Transactional emails are almost always an afterthought Users miss onboarding steps, don't see trial expiration warnings, and churn over billing failures that a simple email would've prevented.

Compliance

Multi-Tenant Row-Level Security

Supabase RLS policies enforce data isolation at the database level. Doesn't matter what the application does — one tenant can't read or touch another tenant's data.

Stripe Webhook Resilience

Idempotent webhook handlers with signature verification and retry logic. Failed events get logged and reprocessed automatically. No silent billing failures, no manual digging through logs.

Authentication & Authorization

Supabase Auth with magic links, OAuth providers, and role-based access control. Team invitations, seat management, and session handling are built in from day one — not bolted on later.

Subscription Billing Engine

Monthly, annual, and usage-based billing through Stripe with customer portal integration. Proration, trial periods, and dunning flows all handled correctly, not approximately.

Audit Logging

Every state change — plan upgrades, permission changes, data modifications — gets logged with a timestamp, the actor who made it, and the relevant context. Essential for debugging. Increasingly necessary for compliance.

Transactional Email via Resend

Welcome sequences, trial expiration warnings, billing receipts, and password resets. Templated, branded, and actually deliverable — not landing in spam folders.

Was wir bauen

Build multi-step onboarding that activates your core feature in under 90 seconds

Your users finish onboarding and hit value in one session instead of abandoning mid-flow

Ship a dashboard with real-time usage metrics your users check daily

Your dashboard becomes the daily login destination that drives retention and expansion

Deploy an admin panel with user impersonation and subscription override controls

Your support team resolves account issues in 60 seconds instead of escalating to engineering

Integrate Stripe with webhook handling that survives payment failures and retries

Your billing runs silently—customers stay active through card failures and plan changes

Enforce team seats and role permissions tied directly to subscription tier

Your team collaboration features scale from solo founders to 20-seat enterprise trials

Expose API routes with rate limiting and key management ready for third-party tools

Your API attracts integration partners and power users without a second build phase

Unser Prozess

Product Scoping

We map your core user journey, define the data model, and nail down the billing logic before anything gets built. You get a technical blueprint and a Figma wireframe kit before a single line of code gets written.

Week 1

Infrastructure & Auth

Supabase project setup with RLS policies, authentication flows, Stripe account connection, and a CI/CD pipeline on Vercel. The foundation ships first.

Week 2

Core Features & Billing

User dashboard, onboarding flow, subscription billing with webhook handlers, and transactional email templates. This is where the product actually starts to feel real.

Weeks 3–4

Admin Panel & Polish

Internal admin tooling, audit logging, error monitoring, and UI polish. Every edge case in the billing flow gets tested against Stripe's test clock.

Week 5

Launch & Handoff

Production deployment, domain configuration, monitoring dashboards, and full documentation. Then we stick around for 30 days of post-launch support.

Week 6

Next.js App RouterSupabaseStripeResendVercelTypeScriptTailwind CSS

Häufige Fragen

Wie unterscheidet sich das von einem SaaS-Boilerplate oder Starter Kit?

Boilerplates geben dir einen Ausgangspunkt, überspringen aber die schwierigen Teile — Multi-tenant RLS, Webhook-Zuverlässigkeit, Admin-Tools und deine eigentliche Produktlogik. Wir liefern eine produktionsreife Anwendung, die um dein spezifisches Geschäftsmodell herum entwickelt wurde, nicht ein Template voller TODO-Kommentare, wo der wichtige Code sein sollte.

Können nicht-technische Gründer mit euch zusammenarbeiten?

Absolut. Wir treffen alle technischen Entscheidungen und erklären sie während der wöchentlichen Synchronisationen in verständlicher Sprache. Du konzentrierst dich auf Nutzer und Geschäftsmodell. Die Codebasis, die wir übergeben, kommt mit einer Dokumentation, die klar genug ist, dass jeder Senior Developer sie übernehmen und weiterlaufen lassen kann.

Was passiert, wenn ich über das MVP hinauswachse?

Die Architektur ist darauf ausgelegt, mit dir zu wachsen. Next.js App Router auf Vercel skaliert horizontal. Supabase verwaltet Millionen von Zeilen mit ordnungsgemäßer Indexierung. Stripe verarbeitet jedes Billing-Volumen, das du ihm zuwirf. Wenn du bereit für V2-Features bist, können wir die Zusammenarbeit fortsetzen oder an dein internes Team übergeben — je nachdem, was mehr Sinn macht.

Besitze ich den Quellcode?

Ja, vollständig. Das Repository befindet sich von Tag eins an in deiner GitHub-Organisation. Du besitzt jede Codezeile, jede Datenbankmigrationen und jede Deployment-Konfiguration. Keine Lizenzgebühren, keine wiederkehrenden Plattformgebühren von uns, keine Vendor Lock-in.

Wie handhabt ihr Stripe-Webhook-Ausfälle?

Jeder Webhook-Endpunkt verifiziert Stripes Signatur, verarbeitet Events idempotent und protokolliert Ausfälle in deinen Monitoring-Stack. Wir bauen Retry-Logik und Dead-Letter-Handling ein, damit fehlgeschlagene Events erkannt und erneut verarbeitet werden — nicht stillschweigend verworfen. Dann testen wir das alles anhand von Stripes Test Clock, um Edge Cases wie fehlgeschlagene Gebühren und Mid-Cycle-Planänderungen abzudecken.

Was ist in der 30-Tage-Post-Launch-Unterstützung enthalten?

Fehlerbehebungen, Billing-Flow-Probleme, Deployment-Support und kleinere Anpassungen basierend auf frühem Nutzer-Feedback. Wir überwachen Fehlerraten und Webhook-Health in diesem kritischen ersten Monat. Das ist kein bezahltes Add-on — es ist in jedem SaaS MVP Engagement enthalten, weil die ersten 30 Tage immer Edge Cases aufdecken. So läuft das eben.

SaaS MVP Development from $12,000

Fixed-fee. 30-day post-launch support included.

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