Senior Backend Developer — Smartbroker AG

Overview

Shared technical responsibility for backend, integration, and data solutions with a focus on architecture, solution design, and smooth production operations.
Agile development with Scrum and active participation in planning sessions and retrospectives.
High test coverage and a consistent commitment to quality in an environment where reliability and trust are essential.

Responsibilities

Design and continued development of APIs and integrations for customer-facing processes, CRM, and marketing systems
Safeguarding critical workflows through automated tests across multiple layers
Quality assurance and knowledge sharing through code reviews and pair programming

Selected work

Securities Account Registration

Continued development of a microservice-based registration process and its REST API for the frontend
Reliable asynchronous processing via RabbitMQ and Symfony Messenger
Safeguarding distributed workflows with retry mechanisms and idempotent processing
Integration of PostIdent and partner banks
Automated PDF generation using PDF forms and pdftk

PHP Symfony RabbitMQ / Symfony Messenger FOSRest PHPUnit Codeception

Data Integration & Middleware

Decoupling CRM and marketing systems through asynchronous middleware for Bloomreach, CleverReach, Sage, and Bitrix24
Reliable processing of potentially unordered events through a state-based Bitrix24 integration service

PHP Symfony RabbitMQ / Symfony Messenger PHPUnit

Data Warehouse

Creation of a shared analytics foundation for master, transaction, and portfolio data
Data transformation with dbt in BigQuery
Multi-layered data model comprising staging, intermediate, and curated layers
Reduction of BigQuery on-demand costs by 40 percent through targeted usage optimization
Provision of prepared data for Looker Studio

Python Airflow dbt BigQuery Looker Studio