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SERVICE 02 • WEB APPLICATIONS & SAAS

Production-Grade Web Applications & SaaS MVPs Built in Weeks.

We engineer scalable web software, customer portals, and multi-tenant SaaS dashboards tailored to your exact business model. Clean TypeScript architecture, rock-solid PostgreSQL databases, and 100% intellectual property ownership transferred to you.

2 to 4 Week Delivery100% Code OwnershipLive Private Staging
Custom Web Apps by Swaynx
FULL-STACK STACKPRODUCTION READY
Next.js 14TypeScriptPostgreSQLSupabaseStripe Billing
SYSTEM ARCHITECTURE

Engineered for Reliability & Scale

We structure your software with modular, enterprise-grade architecture so adding new features in Month 6 is as fast as Day 1.

01. Presentation Layer

Next.js 14 + React + TypeScript

Server-side rendered responsive interfaces with instant client-side transitions and zero UI lag.

02. Identity & Permissions

Supabase Auth / JWT / NextAuth

Granular Role-Based Access Control (RBAC) with secure session handling and MFA support.

03. Data & Persistence

PostgreSQL + Supabase + Drizzle ORM

ACID-compliant relational schemas structured for zero latency queries and horizontal scale.

04. Monetization & Events

Stripe Subscriptions + Webhooks

Automated recurring billing, seat tiers, customer invoicing portal, and payment failure retries.

WHAT WE BUILD

End-to-End Application Engineering

SaaS Platforms & MVPs

Validate and launch your software startup in 2 to 4 weeks with authentication, payment tiers, user onboarding, and core functional workflows built to scale.

B2B Client Portals

Provide your enterprise clients with a secure, private dashboard to track project status, share confidential deliverables, make payments, and communicate.

Internal Operations Tools

Replace fragile Google Sheets and disjointed spreadsheets with custom web software tailored to your company's exact operational logic and employee workflows.

Automated Workflow Engines

Connect user actions to automated transactional emails, webhook triggers, PDF generation, and real-time alerts across WhatsApp and Slack.

Role-Based Permissions (RBAC)

Custom permission matrices giving superadmins, team managers, and external guests strict view and edit access to sensitive company data.

REST & GraphQL APIs

Clean, documented API endpoints with rate-limiting, JWT authentication, and automated error logging for external partner integrations.

SPRINT METHODOLOGY

The 4-Week MVP Sprint Protocol

We work in focused weekly milestone sprints with working staging builds published every Friday.

Week 01Milestone 01

Architecture & Schema

Specification breakdown, database entity-relationship design, API contracts, and high-fidelity wireframes.

Week 02Milestone 02

Authentication & Core CRUD

Database migration, user registration, role authorization, and primary interactive product workflows.

Week 03Milestone 03

Billing, Integrations & Staging

Stripe subscription setup, automated email queues, webhook synchronization, and live staging test link.

Week 04Milestone 04

Hardening & Production Launch

Edge security audit, stress testing, zero-downtime deployment, and complete source code transfer to your GitHub.

SECTOR SPECIALIZATIONS

Web Applications Tailored for HealthTech, FinTech, PropTech, Automotive Mobility & Enterprise Portals

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START AN APPLICATION

Have a Web App or SaaS Idea to Build?

Discuss your technical roadmap, database requirements, and milestone timeline with our senior engineering team.