IntelliTaskPro

SaaS

IntelliTaskPro

Multi-tenant project management and collaboration SaaS

OVERVIEW

Summary

A full-stack SaaS platform for managing projects, teams, tasks, sprints, recurring work, integrations, and subscription billing. IntelliTaskPro combines multi-tenant architecture, role-based permissions, real-time collaboration, AI-assisted workflows, automation, and external integrations within a production-oriented project management system.

SaaS PlatformProject ManagementMulti-Tenant ArchitectureCollaboration PlatformAI IntegrationWorkflow Automation

EVIDENCE

Metrics

Signals from building and operating the system—not vanity counters.

Organizations / Tenancy

Multi-tenant

Organization-scoped data and permissions

External Integrations

Multiple

GitHub, Slack, Jira, Linear, Zapier, Stripe and real-time services

Authorization Model

RBAC

Organization and project-level access controls

Billing Model

Subscription SaaS

Stripe subscription lifecycle and webhook-driven state

AI Architecture

Provider abstraction

AI functionality isolated behind reusable provider interfaces

Testing

E2E + Accessibility

Playwright coverage for core workflows and accessibility

STORY

Engineering story

How the platform was scoped, built, and refined.

Problem

Project management applications often treat tasks as isolated CRUD records, while actual team workflows involve permissions, project context, recurring work, notifications, billing, integrations, automation, and collaboration. I wanted to build a system around those relationships rather than simply creating another task board.

Solution

I developed IntelliTaskPro as a multi-tenant SaaS platform where organizations can manage projects, boards, tasks, sprints, recurring work, and team access from one system. The platform combines project management with real-time updates, AI-assisted planning, subscription billing, automation, notifications, and integrations while maintaining clear tenant and permission boundaries.

System design

Architecture

IntelliTaskPro uses a Next.js and TypeScript application architecture backed by PostgreSQL through Prisma. Organizations provide the tenant boundary, with role and permission checks controlling access to application resources. Business capabilities such as billing, AI providers, integrations, notifications, automation, and data access are separated into dedicated services rather than being embedded directly into UI components.

External systems including Stripe, GitHub, Slack, Jira, Linear, Zapier, Pusher, and AI providers are handled through integration or abstraction layers so application workflows are not tightly coupled to individual providers.

Challenges

The largest challenge has been managing the interactions between features as the platform expanded. Adding organizations, permissions, billing, recurring tasks, AI workflows, real-time updates, and integrations meant that individual features could no longer be designed in isolation.

Changes increasingly had to account for tenant boundaries, authorization, subscription state, asynchronous work, external services, and existing workflows. This pushed the architecture toward clearer service boundaries and reusable domain logic.

Lessons learned

Building IntelliTaskPro reinforced that SaaS complexity comes less from individual features than from the relationships between them. A task may involve permissions, billing limits, notifications, automation, synchronization, and real-time state at the same time.

The project also reinforced the value of provider abstractions and separating business logic from presentation code. Those boundaries make it much easier to evolve a system without rewriting unrelated functionality.

Future improvements

Continue strengthening the platform architecture, expand automation capabilities, improve integration workflows, increase observability, extend AI-assisted project workflows, and continue refining the application around real team usage.

Product

Features

What the product or platform delivers.

  • Multi-tenant organizations
  • Kanban project boards
  • Task and sprint management
  • Role-based access control
  • AI-assisted task and sprint generation
  • Real-time collaboration
  • Recurring tasks
  • Automation workflows
  • Stripe subscriptions and billing
  • Usage tracking
  • GitHub synchronization
  • External integrations
  • Notifications
  • Audit logging
  • Full-text search
  • Accessibility and E2E testing
Ownership

Responsibilities

What I personally designed, built, or owned.

  • Product architecture
  • Database design
  • Multi-tenant architecture
  • Backend development
  • Frontend development
  • Authentication
  • Authorization and RBAC
  • Subscription billing
  • Stripe webhook processing
  • AI integration
  • Provider abstraction
  • Real-time collaboration
  • Background processing
  • Workflow automation
  • Third-party integrations
  • Testing and accessibility
  • Deployment
  • Technical documentation

EVOLUTION

How it evolved

Major milestones across the project lifecycle.

  1. 2025

    Foundation

    Initial Project Management App

    Initial Next.js application created Authentication implemented Core project and task management established Early application structure and database model created

  2. 2026

    SaaS Architecture

    Multi-Tenant & RBAC

    Converted the application into a multi-tenant SaaS Added organizations and board-level roles Implemented role and permission management Added user assignment and permission enforcement Improved mobile drag-and-drop behavior

  3. 2026

    Integration Platform

    GitHub & External Integrations

    Added GitHub project synchronization Implemented webhook processing and event handling Added repository/project synchronization Added Slack, Jira, Linear, and Zapier integration support Introduced integration management UI

  4. 2026

    Commercial SaaS

    Billing & Subscription Management

    Added Stripe subscription billing Built plans and billing management UI Added subscription lifecycle handling Connected organization lifecycle with Stripe Added Redis and Resend infrastructure

  5. 2026

    Product Expansion

    AI, Automation & Advanced Workflows

    Added AI-assisted task functionality Expanded the platform with roughly 30 additional capabilities Added templates and recurring workflow functionality Improved task creation and project workflows Expanded developer and administrative functionality

  6. 2026

    Production Hardening

    Testing, Security & Reliability

    Added Playwright testing and CI support Strengthened linting and application security Improved role and permission handling Fixed mobile responsiveness across complex workflows Refined production error handling and reliability

  7. 2026

    Architecture Refactor

    Maintainability & Service Boundaries

    Refactored large dashboard and Kanban components Extracted API clients, hooks, and shared UI Split billing, email, GitHub sync, and AI logic into domain modules Reduced client-side responsibilities with server-side data fetching Established stronger rules for maintainable code organization

  8. 2026

    Continued Maintenance

    Platform Stabilization

    Removed obsolete Stripe logic Resolved dependency issues Updated development standards and project rules Continued reliability and maintenance work

PLATFORM

Platform capabilities

Engineering capabilities demonstrated by this project.

  • Admin shell & auth hardening

  • Multi-tenant organization architecture

  • Organization and project RBAC

  • Kanban project management

  • Real-time collaboration

  • Subscription billing

  • Webhook-driven billing state

  • AI provider abstraction

  • AI-assisted workflows

  • Background job processing

  • Recurring task engine

  • Workflow automation

  • GitHub synchronization

  • Third-party integrations

  • Notification system

  • Audit logging

  • Usage tracking

  • Full-text search

  • Accessible application workflows

  • End-to-end testing