Big Data Engineer

Position Summary:

We are looking for a Data Engineer with a diverse background in data integration to join the Data Services team. Some data are small, some data are very large (1 trillion+ rows), some data is structured, some data is not. Our data comes in all kinds of sizes, shapes and formats. Traditional RDBMS like PostgreSQL, Oracle, SQL Server, MPPs like StarRocks, Vertica, Snowflake, Google BigQuery, and unstructured, key-value like MongoDB, Elasticsearch, to name a few.

We are looking for individuals who can design and solve any data problems using different types of databases and technologies supported within our team. We use MPP databases to analyze billions of rows in seconds. We use Spark and Iceberg, batch or streaming to process whatever the data needs are. We also use Trino to connect all different types of data without moving them around.

Responsibilities:

1) Implement ETL/ELT processes using various tools and programming languages (Scala, Python) against our MPP databases StarRocks, Vertica and Snowflake
2) Work with the Hadoop team and optimize Hive and Iceberg tables
3) Contribute to the existing Data Lake and Data Warehouse imitative using Hive, Spark, Iceberg, Presto/Trino
4) Analyze business requirements, design and implement required data models

Qualifications: (must have)

1) BA/BS in Computer Science or in related field
2) 1+ years of experience with MPP databases such as StarRocks, Vertica, Snowflake
3) 3+ years of experience with RDBMS databases such as Oracle, MSSQL or PostgreSQL
4) Programming background with Scala, Python, Java or C/C++
Strong in any of the Linux distributions, RHEL,CentOS or Fedora
5) Experience working in both OLAP and OLTP environments
6) Experience working on-prem, not just cloud environments

Desired: (nice to have)

1) Experience with Elasticsearch or ELK stack
2) Working knowledge of streaming technologies such as Kafka
3) Working knowledge of orchestration tools such Oozie and Airflow
4) Experience with Spark. PySpark, SparkSQL, Spark Streaming, etc…
5) Experience using ETL tools such as Informatica, Talend and/or Pentaho
6) Understanding of Healthcare data
7) Data Analyst or Business Intelligence would be a plus

About Mellivora Software

Mellivora Software helps SME and Enterprise businesses build custom IT solutions for a bunch of specific industries. Our core expertise is focused around:

★ Big Data and AWS technologies
★ DevOps practices
★ NLP/Machine Learning technologies

Company website:
https://www.mellivorasoft.com/

DOU company page:
https://jobs.dou.ua/companies/mellivora-software/