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# Software Developer / Data Scientist

- **Company:** ilexius GmbH
- **Location:** Wiesbaden, Germany
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Airflow, Apache HTTP Server, Extract Transform Load (ETL), Data Warehousing, Database Queries, PostgreSQL, Query Optimization, Software Engineering, SQLAlchemy, Tableau (Software), TypeScript, Freeform SQL, ReactJS, Flask (Web Framework), Database Optimization, Backend, Fastapi, Kubernetes, Front End Software Development, Looker Analytics, Docker
- **Published:** May 18, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=5ebd861672f239b6

## About the Role

Do you have experience in Tableau?, Do you have a High school diploma or GED?, For a large European automotive manufacturer, we are building powerful Business Analytics solutions on top of a data warehouse. To grow this team, we are looking for an experienced Software Developer with a strong data-driven mindset., * Several years of professional experience as a software developer, data engineer or data scientist - we are looking for excellent mid-level to senior candidates

 * Strong SQL skills and deep, hands-on experience with PostgreSQL, including query tuning, indexing strategies and warehouse-scale data modeling
 * Practical experience with Apache Superset (configuration, customization, plugin development) or comparable BI tools (e.g. Metabase, Looker, Tableau)
 * Solid Python backend development skills (Flask / FastAPI, SQLAlchemy)
 * Nice to have: experience with Superset's React + TypeScript frontend, dbt, Airflow, Docker / Kubernetes
 * Fluent English, written and spoken; German is a plus
 * Analytical mindset, attention to detail, and the ability to work independently in a remote-first setup, * High school or equivalent (Preferred)

Experience:

 * Software Development / Data Science: 3 years (Required)

Language:

 * German (Preferred)

## Description

* Design and develop Business Analytics solutions on top of a high-volume PostgreSQL data warehouse for a large European automotive manufacturer
 * Build, customize and extend dashboards, visualizations and plugins for Apache Superset and adjacent BI tools
 * Write and tune complex SQL queries, materialized views and performance-critical analytical workloads
 * Develop Python backend services that complement Superset - custom APIs, authentication, data-quality checks and ETL hooks
 * Optionally contribute to Superset's React/TypeScript frontend to ship custom visualizations and UX improvements
 * Work closely with our developer team and the customer's analytics stakeholders to turn business questions into reliable, performant data products


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