Contiamo is a Berlin-based, fast-growing tech company.
We are tech-driven and keep a close watch on recent scientific developments and emerging technologies. We love open-source. We are a very international team with interesting people from all over the world (95% of us have relocated to Berlin).
Our mission is to combine sophisticated data analysis with an intuitive interface to deliver an industry-leading user experience. We love what we do and are centered around a strong product and its value to our customers. If you want to tackle complex challenges with a team of smart and friendly people, then Contiamo is the right place for you.
The product: A sophisticated query engine
We are building a sophisticated OLAP/SQL query engine for advanced analytics, accessing data from many different data sources (RDBMS's, Hive, Impala, Druid, Elasticsearch and others). The query engine is written in Scala and builds on Apache Calcite. We are planning to open-source it during the course of this year with the goal of making it an Apache project eventually.
The stack
Scala, Java, Apache Calcite
The challenge
The project involves working with many interesting concepts related to data processing and querying such as query parsing and validation, relational algebra, creation of logical and physical plans and adapters to different database and execution engines. Your work will also involve participation in the communities of and development of contributions to Calcite and other open-source libraries we use.
Being fluent in Java and Scala is a must.
We highly appreciate experience in:
How we work
About the interview process
How we get to know each other
We see the interview process as a mutual opportunity to get to know each other — at eye level. That's why we won't ask you to work for free on any coding assignments and always strive for responding within hours, not weeks.
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