Cosee GmbH · 02/2025 to 06/2025

Data and Research Platforms

Backend and platform · Platform work

Evolution of modular platforms with REST backend, worker processes, authentication, messaging, mobile clients and containerized operations.

Technology map

C#.NETPostgreSQLRabbitMQKeycloakFlutterDockerKubernetes

Technical context

The platforms combined REST APIs, authentication, worker/queue processing, PostgreSQL, mobile or web clients and Kubernetes operations. The backend focus was data flow, integration logic, stable interfaces and traceable processing.

Engineering highlights

Backend functionality for profiles, experiment logic and data processing

Messaging and worker flows for synchronization and data processing

Integration of external APIs for movement and route data

Kubernetes/Helm operations for multiple application components

Backend architecture

01Mobile App

02REST API

03Auth Service

04PostgreSQL

Infrastructure and delivery

QueuesWorkersKubernetesRabbitMQDocker