Supermarket app
microservices platform for millions of customers
Client
Creative Dock Group
Role
Kotlin backend developer at Creative Dock Group — microservice design and development, scaling and observability.
Year
2025—2026
Stack
Kotlin, Spring Boot, Apache Kafka, Elasticsearch, Kibana, Grafana, ArgoCD, Microservices
Project
The microservice backend behind a large retail chain's shopping and loyalty app, serving millions of active customers. It covers personalised promotions, order tracking and intelligent notifications, with the emphasis on scalability, real-time analytics and operational reliability.
Kotlin backend developer at Creative Dock Group — microservice design and development, scaling and observability.
What I built
Scaled the notification system from 100K to millions of notifications per hour while keeping delivery real-time.
A Kafka-based event-driven architecture — high-throughput asynchronous communication between services.
Elasticsearch-backed search and read paths on top of Spring Boot services for low-latency user queries.
Observability — Grafana and Kibana dashboards for proactive monitoring, performance tracking and reduced downtime.
Product features — personalised promotions, order tracking and intelligent notifications.
Let's talk about your project!
