ClickUp: Scaling Global Productivity
Engineering high-performance backend integrations and scalable database architectures for a world-class productivity platform. Our work focused on transitioning backend systems to shard-aware architectures to support millions of concurrent users while maintaining sub-second latency for real-time task management.
3+ Major Platforms
Integrations
Millions of Users
Scalability
Challenge & Scope
Requirements
Architecting shard-aware webhooks for high-throughput task notifications
Ensuring strict data integrity during massive multi-region migrations
Minimizing tool-switching friction through deep-link authentication
Meeting EU-specific data privacy (GDPR) and regional isolation requirements
Strategic Objectives
Scale backend infrastructure and develop complex third-party ecosystem integrations.
Key Deliverables
Technical Execution
Shard-Aware Infrastructure
Redesigned core webhooks and database schemas to recognize data shards, ensuring horizontal scalability that supports millions of concurrent tasks without performance degradation.
Deep HubSpot-ClickUp Sync
Developed a ground-up integration that handles complex mapping of CRM entities to task hierarchies, enabling automated sales-to-project-management workflows.
Multi-Region Data Splicing
Implemented secure data splicing logic to route sensitive information to specific regional databases (EU/US), fulfilling strict regulatory and security compliance needs.
Technical Stack
Languages
Javascript
Typescript
Backend
Node.js
NestJS
Frontend
Angular
Database
PostgreSQL (Sharded)
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Features & Outcomes
HubSpot Integration
Automated data flow between CRM and project management.
Miro Visual Auth
Unified visual whiteboarding within the ClickUp workspace.
Regional Compliance
100% adherence to EU data residency laws via database isolation.
Client Benefits
Drastic reduction in tool-switching friction for internal and external users
Access to specialized backend engineering talent without high US recruitment overhead
Mitigated legal risks by adhering to regional data residency and GDPR standards
Consistent high-quality delivery across time zones (UTC+3)
Strategic Outcomes
Enabled seamless bi-directional data flow with industry-leading CRM and visual tools
Successful production-scale migration of millions of records to compliant regional zones
Engineered high-performance webhooks capable of handling viral traffic spikes
Significantly improved system reliability through expanded automated test coverage
System Interfaces
Project Team
Keber
Technical Lead
Integration Team Architecture & Leadership