Position: Senior Java Engineer for abl social federation (Germany)
Company: Daxx
Category: Java
Experience required: 3y
English level: upper

**About the company:**
abl social federation is a specialized provider of WiFi networks, which are together with Digital Signage and Location-based-services (Beacons) utilized to execute digital marketing campaigns on their own Omni-Channel-Marketing-Plattform (OCMP).

In cooperation with the market leaders in retail and consumer goods, abl developed the customer portal into an omni-channel marketing platform, to this day unrivaled in Europe. The goal is to capture all technologies such as WiFi, beacons, digital signage, cameras and sensors at points of sale and to make them usable for marketing.

The abl team offers interesting work, lots of responsibility and future-oriented projects. You will help to deliver the right content at the right place to the right person at the right time via the right channel. Becoming a part of our young and international team also means you get all the support you need for personal and professional growth and development.

**Responsibilities:**
- Work together with Data Scientist to improve and evolve ways to store, process and expose data
- Work together with the DevOps team to define Data Lake/Warehouse infrastructure
- Optimize and scale ideas that Data Scientist has to Big Data level (we have terabytes of data flow through a network)

**Requirements:**
- Bachelor's degree in computer science or adjacent field
- 4+ years of working experience as a Java/Scala Software Developer or Data Engineer or combined
- SQL
- English fluent speaking or at least Upper-Intermediate

**Nice to have:**
- OLAP databases (ClickHouse/Druid)
- Functional programming
- Familiarity with Java/Scala-based Apache world
- Hadoop + MapReduce/Spark/Hive
- RabbitMQ/Kafka
- Postgres