
Max Herbert developed two core backend features for the DiamondLightSource/workflows repository over a two-month period, focusing on real-time observability and developer experience. He implemented GraphQL subscriptions using Rust and the Axum web framework, integrating with the Kubernetes and Argo Workflows APIs to enable live monitoring of workflow events. This provided immediate visibility into workflow state changes for operators and developers. Max also created a local development environment for the Sessionspaces backend, leveraging Docker and docker-compose to streamline onboarding and testing. His work demonstrated depth in backend integration, event streaming, and environment setup, addressing both operational monitoring and developer productivity.

September 2025: Delivered a local development environment for the Sessionspaces backend in DiamondLightSource/workflows, enabling developers to spin up a realistic, containerized backend locally with a mock ISPYB database. The setup includes a Dockerfile, docker-compose.yml, and a comprehensive README with setup and usage instructions. No major bugs were fixed this month; existing issues remain tracked for future sprints. This work reduces onboarding time, standardizes dev/test environments, and accelerates feature validation, representing a meaningful step toward faster delivery and improved collaboration.
September 2025: Delivered a local development environment for the Sessionspaces backend in DiamondLightSource/workflows, enabling developers to spin up a realistic, containerized backend locally with a mock ISPYB database. The setup includes a Dockerfile, docker-compose.yml, and a comprehensive README with setup and usage instructions. No major bugs were fixed this month; existing issues remain tracked for future sprints. This work reduces onboarding time, standardizes dev/test environments, and accelerates feature validation, representing a meaningful step toward faster delivery and improved collaboration.
June 2025: Focused on delivering real-time observability for workflows via Graph-Proxy subscriptions. Implemented GraphQL real-time subscriptions for workflow events, integrated with Kubernetes API and Argo Workflows API, and wired into the Axum web framework to enable live monitoring and dashboards. This provides immediate visibility into workflow state changes, accelerates incident response and debugging, and lays the foundation for real-time dashboards and alerts. Deliverable center: Graph-Proxy Real-time Workflow Subscriptions in DiamondLightSource/workflows.
June 2025: Focused on delivering real-time observability for workflows via Graph-Proxy subscriptions. Implemented GraphQL real-time subscriptions for workflow events, integrated with Kubernetes API and Argo Workflows API, and wired into the Axum web framework to enable live monitoring and dashboards. This provides immediate visibility into workflow state changes, accelerates incident response and debugging, and lays the foundation for real-time dashboards and alerts. Deliverable center: Graph-Proxy Real-time Workflow Subscriptions in DiamondLightSource/workflows.
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