Must have

• pandas

• OLAP

• Data Lake

• Big data

• Hadoop

• Kafka

• Python

• English (B1)

Nice to have

• Data engineering

Offer description

Innowise is an international IT company founded in 2007. We have been developing software for 15 years and have implemented more than 600 projects for clients from 30+ countries. Innowise brings together about 1000 professionals, and our development centers are located in Poland, Lithuania, Belarus, Ukraine and Georgia.

What we expect:

— Python knowledge: OOP basics, threads and GIL, working with the pandas library;

— SQL knowledge: query language (DQL, DDL, DML, TCL), transactions and ACID principles, indexes;

— Big Data knowledge: basic concepts — OLAP vs. OLTP, Data Warehouse and Data Lake, data normalization and denormalization;

— Spoken English proficiency: B1+ level or higher.

Will be an advantage:

— Knowledge of Big Data frameworks: Spark, Hadoop, Kafka;

— Understanding distributed systems principles: MapReduce, MPP, sharding;

— Data modeling experience: Star and Snowflake schemas, Third Normal Form (3NF).