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Case study

PushMaster: enterprise-grade push notification server

PushMaster is an enterprise-grade push notification server for reliable, multi-channel message delivery across web and mobile.

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Tech stack
Java, HTTP/2, Kubernetes, Kafka, RabbitMQ, REST API.
Timeline
6 months
OutcomeWhat the work delivered
Dynamic
load management under spikes
Native + flexible
integration methods
Enterprise-grade
push delivery
The challengeThe brief, and what was at stake

Businesses everywhere rely on fast, reliable push notifications to engage and keep users, run operations and manage critical workflows.

PushMaster is an enterprise-grade push notification server for multi-channel delivery across web and mobile. It runs on a lightweight, microservice-based Java stack and uses HTTP/2 Server Push for strong performance.

Key benefits

  • Faster time to market, with pre-built, proven delivery mechanisms.
  • Lower risk, through solid error handling and reliable delivery.
  • Lower total cost of ownership (TCO), with no spend on unused infrastructure or SaaS overhead.
Notifications at scalePush infrastructure buckling under load?

An enterprise-grade notification server with dynamic load management and flexible integration.

Scope your push server
How we built itWhat WislaCode designed and shipped
01Native integration

Supports APNs (iOS), FCM (Android + Web), and Huawei Push Kit.

Multi-device support with integrated user-device mapping:

• Manages multiple devices per user.

• Tracks active and inactive devices automatically.

• Provides delivery confirmation via app callbacks, enabling business-critical workflows and backup channel triggering (e.g., SMS, email).

PushMaster Native Integration
02Flexible integration methods

• REST API for straightforward integration with client systems.

• Asynchronous messaging via Kafka or RabbitMQ for enhanced flexibility.

• Seamless integration with customer BI tools or workflow systems.

PushMaster Flexible Integration Methods
03Dynamic load management

• Asynchronous interface ensures high throughput during peak loads.

• Built-in parallelisation of outbound requests optimises queue management.

• Horizontal scaling on Kubernetes ensures fast adaptation to increased load while keeping minimal infrastructure footprint for low load.

• Automatic platform and device detection with streamlined message routing and formatting.

PushMaster Dynamic Load Management
04Designed for seamless integration

• Embeds effortlessly into the client’s infrastructure without vendor lock-in.

• Avoids proprietary dashboards, allowing data streams to integrate with existing reporting systems.

PushMaster Designed for Seamless Integration
Related servicesThe capabilities behind this outcome
Configuring push notification servers

Enhance app engagement with WislaCode’s expert Push Notification Server configuration. We ensure fast, secure, and scalable push notification delivery.

See the service Mobile app modernisation

Performance, stack and UX modernisation for live mobile apps, without losing the user base.

See the service Mobile app development

Native, cross-platform and super app builds, with SDKs and push infrastructure.

See the service Cross-platform app development

Cross-platform apps from one codebase: onboarding, payments and self-service, with native modules where the browser cannot reach.

See the service
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