Solo Full-Stack Architect · Jan 2025 — Mar 2025

One platform. Every team. Zero silos.

Nexus gives your business a single workspace for projects, clients, finances, HR, and inventory — with full isolation between teams and clients.

Case Study →

Built for: Agencies managing multiple client accounts, growing SMBs with 10-200 employees who have outgrown spreadsheets but cannot justify five separate SaaS subscriptions.

The Why

The Problem

Running a business means juggling five or more SaaS tools that do not talk to each other — a project tracker here, a CRM there, invoicing somewhere else, HR in a spreadsheet. Every tool has its own login, its own export format, and its own monthly fee.

The Solution

Nexus replaces the patchwork with a single platform where every module shares the same data model, the same team roster, and the same login. Client A data never touches Client B. Roles are as granular as you need.

What it does

Key Features

🏢

Multi-Tenant Workspaces

Each client or business unit gets a fully isolated workspace with its own data, roles, and branding — all from one deployment.

Project & Task Management

Track projects from kickoff to delivery with priority levels, assignees, and status pipelines that keep every team aligned.

📈

CRM & Lead Pipeline

Manage leads through a scored pipeline from first contact to close, with activity tracking and follow-up scheduling built in.

💰

Finance & Invoicing

Create invoices, track expenses, generate PDFs, and get a real-time revenue vs. expense view — no accountant required.

👥

HR & Payroll

Manage employees, approve leave requests, track attendance with clock in/out, and run payroll — all in one place.

📦

Inventory Management

Track products, suppliers, and purchase orders with real-time stock level alerts before you run out.

🌐

Website Builder

Publish a branded website for each tenant with customizable content blocks, SEO fields, and multi-page support.

🔐

Granular Permissions

Create custom roles with exactly the right access — a finance manager can see invoices without seeing payroll.

Technology

Built with

Next.js 16React 19TypeScriptPostgreSQLPrisma ORMNextAuth v5StripeResendTanStack QueryZustandTailwind CSS v4Shadcn UIRadix UIFramer MotionRechartsZodjsPDFDOMPurifyDocker

Results

Impact

6
business modules in one platform
50+
granular RBAC permissions
34+
database models with tenant isolation
tenants from a single deployment

Interested in working together?

This is one of many projects by Mudassir Mohammed. See the full portfolio or get in touch.

View Portfolio ↗Get in Touch →