Apr 2019 – Oct 2019
FlowFact GmbH · Backend Engineer
3
Office Apps
2
Cloud Providers
SSO
Cross-Cloud Auth
0
Context Switches
~60%
API Response Time Reduced
30+
Manual Workflows Eliminated
1000s
Real-time Synced Users
At FlowFact GmbH, I developed Microsoft Office add-ins integrated with CRM systems, while implementing cross-cloud identity federation between Azure Active Directory and AWS Cognito. The solution enabled seamless access to CRM data within Office applications with secure, unified authentication.
Users had to switch between CRM and Office tools
No seamless access to CRM data within Office applications
Complex authentication across Azure and AWS ecosystems
Lack of unified identity management
Security risks in handling cross-platform authentication
Developed Office add-ins for Outlook, Word, and Excel
Integrated CRM data directly within Office workflows
Implemented Azure AD ↔ AWS Cognito federation using OAuth/OIDC
Built secure API communication with token-based authentication
Designed unified identity experience across platforms
Developed Office add-ins across multiple applications
Designed and implemented identity federation (Azure AD ↔ Cognito)
Built secure API integration layer
Implemented OAuth/OIDC authentication flows
Integrated CRM data into Office interfaces
Ensured secure token handling and access control
Delivered consistent UX across Office applications
Built multi-app Office add-in suite (Outlook, Word, Excel)
Implemented cross-cloud identity federation (Azure + AWS)
Enabled seamless SSO across platforms
Integrated CRM data directly within Office workflows
Delivered secure, enterprise-grade authentication system
Eliminated context switching between CRM and Office tools
Improved productivity through in-app data access
Simplified authentication with unified SSO experience
Strengthened security across multi-cloud systems
Enabled scalable identity management architecture
Frontend
JavaScript, TypeScript, Office JS API
Backend
Node.js
Cloud
AWS (Lambda, RDS, S3, IAM)
Identity
Azure Active Directory, AWS Cognito, OAuth, OIDC
DevOps
CloudFormation
Other
Office365 APIs
High-performance APIs and microservices
Stripe, Shopify, Microsoft Graph, telecom
LLM workflows, document processing
OAuth, Entra ID, Cognito
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