Clear API contracts and domain boundaries
BACKEND · API · CLOUD · INTEGRATIONS
The reliable systems behind the interface.
Mahmoud designs integration boundaries around security, observability, maintainability, and the real operational needs of mobile and web products.
OUTCOMES
What the engagement is designed to deliver.
Secure identity, permissions, and data flows
Reliable third-party and real-time integrations
Monitoring, error handling, and operational handoff
CAPABILITIES
Focused expertise around the product.
REST API designFirebase & real-time dataAuthentication & permissionsPayments & subscriptionsMaps, messaging & notificationsAdmin and operations dashboards
PROCESS
From a clear decision to a dependable launch.
Contract
Define domain rules, data ownership, roles, API behavior, and failure expectations.
Foundation
Build secure services, persistence, permissions, validation, and observability.
Integrate
Connect external providers through controlled adapters, retries, and clear error handling.
Operate
Document the system, monitor production, and protect future maintenance and scale.
A STRONG FIT FOR
Work that needs clarity and technical ownership.
- Apps that need a dependable backend
- Products integrating payments, maps, or messaging
- Teams modernizing fragile APIs or Firebase flows
RELATED WORK
Evidence from real products.
Syrians in UAE
A production community platform connecting Syrians across the UAE through services, content, businesses, and real-time communication.
View case study
Sharekni
A multi-sided business platform connecting investors, companies, merchants, and brokers around companies, deals, development projects, and partnership opportunities.
View case studyCONNECTED SERVICES
Build the complete system.
Ready to turn requirements into a real product?