Inturn: Legacy PHP Monolith Migration to Golang Microservices with Temporal
Challenge
Inturn’s rapid growth exposed limitations in its PHP monolithic architecture. The tightly coupled system made it difficult to scale services independently, introduce new functionality, and support increasing platform demand without affecting the entire application.
Moving to microservices introduced additional complexity around workflow coordination, state management, and reliability of distributed operations. The company also needed to modernize its backend architecture without slowing active product development or disrupting operations during migration.
At the same time, Inturn required experienced engineers capable of executing a large-scale migration to Golang and implementing a production-grade orchestration layer.
Inturn’s rapid growth exposed limitations in its PHP monolithic architecture. The tightly coupled system made it difficult to scale services independently, introduce new functionality, and support increasing platform demand without affecting the entire application.
Moving to microservices introduced additional complexity around workflow coordination, state management, and reliability of distributed operations. The company also needed to modernize its backend architecture without slowing active product development or disrupting operations during migration.
At the same time, Inturn required experienced engineers capable of executing a large-scale migration to Golang and implementing a production-grade orchestration layer.
Solution
The legacy PHP monolith was decomposed into independent microservices built in Golang. The new architecture allows services to scale separately while improving maintainability and operational flexibility.
Temporal was integrated as the orchestration layer to manage long-running workflows, distributed transactions, retries, and stateful execution across services. This eliminated synchronization issues between microservices and introduced fault-tolerant workflow handling for complex operations.
A phased migration strategy was designed collaboratively with Inturn’s leadership to minimize operational risk and downtime during the transition. AWS infrastructure, distributed storage systems, and asynchronous service communication patterns were incorporated to support scalability and reliability.
To support delivery, a dedicated engineering organization was assembled with backend engineers experienced in Golang, Temporal, and distributed systems, alongside a specialized QA automation team responsible for validating performance and reliability across the new architecture.
The legacy PHP monolith was decomposed into independent microservices built in Golang. The new architecture allows services to scale separately while improving maintainability and operational flexibility.
Temporal was integrated as the orchestration layer to manage long-running workflows, distributed transactions, retries, and stateful execution across services. This eliminated synchronization issues between microservices and introduced fault-tolerant workflow handling for complex operations.
A phased migration strategy was designed collaboratively with Inturn’s leadership to minimize operational risk and downtime during the transition. AWS infrastructure, distributed storage systems, and asynchronous service communication patterns were incorporated to support scalability and reliability.
To support delivery, a dedicated engineering organization was assembled with backend engineers experienced in Golang, Temporal, and distributed systems, alongside a specialized QA automation team responsible for validating performance and reliability across the new architecture.
Results
The platform now runs on a scalable microservices architecture capable of supporting increased traffic and onboarding additional enterprise retailers without relying on the original monolithic structure.
Temporal orchestration introduced reliable workflow execution and resolved state management challenges across distributed services. Feature deployment speed improved by 50%, allowing faster iteration and product development.
The migration established a durable technical foundation for future growth while enabling Inturn to scale services independently and operate a more maintainable production environment.
The platform now runs on a scalable microservices architecture capable of supporting increased traffic and onboarding additional enterprise retailers without relying on the original monolithic structure.
Temporal orchestration introduced reliable workflow execution and resolved state management challenges across distributed services. Feature deployment speed improved by 50%, allowing faster iteration and product development.
The migration established a durable technical foundation for future growth while enabling Inturn to scale services independently and operate a more maintainable production environment.
