Calen360
Sync all your calendars with minimal effort

Product Overview
Product Overview
Calen360 is an appointment scheduling and calendar syncing platform that seamlessly integrates Google Calendar and Microsoft Calendar APIs. The platform eliminates the hassle of managing multiple calendars by providing a unified view and two-way sync across all your scheduling tools. Built with secure OAuth authentication for both Google and Microsoft accounts, and deployed on GCP with Docker containerization for scalability.

OBJECTIVES

Seamless Calendar Integration
Implement two-way sync with Google and Microsoft Calendar APIs for real-time availability across platforms.

Secure Authentication
Use OAuth 2.0 flows for both Google and Microsoft to ensure secure, permission-based calendar access.

Unified Scheduling View
Present all calendars in a single, clean interface that makes it easy to spot conflicts and open time slots.

Cloud-Native Deployment
Deploy on GCP with Docker containerization for reliable, scalable infrastructure that handles growing user demand.
Our Solutions
DESIGN PHASE
- Conducted extensive market research on competing platforms
- Defined success metrics and performance indicators to guide development
- Performed competitive analysis of hourly space rental models
- Built responsive layouts optimized for both mobile and desktop use
- Developed a comprehensive design system for scalable UI consistency


DEVELOPMENT PHASE
- Built a scalable frontend with React using a modular component structure
- Developed a secure Node.js backend with MongoDB database
- Established API architecture for future scalability and integration
- Created comprehensive notification systems for hosts and guests
- Installed analytics tracking for monitoring behavior and engagement
- Developed regular performance optimization routines focusing on load times.

Impact
IMPACT

500+ Spaces listed
Shuttrd quickly became a go-to platform for space owners, attracting a wide variety of listings across multiple cities.

2,000+ Registered guests
In just weeks, Shuttrd built a thriving community of creatives, all using the platform to reserve venues tailored to their needs.

2,000+ Successful bookings
With seamless booking flows, guests confidently booked spaces for everything, leading to early revenue and high retention.

CLIENT'S TESTIMONIAL
EntityQ didn't just build what we asked for—they elevated the entire product. Their design sense, clear communication, and fast execution gave us a platform users actually love.
Cynthia Hills - CEO Shuttrd
Got an idea brewing? Let's make it real.
Whether you have an idea, a problem, or just need some clarity — we're here to help. Let's figure it out together.

