Middle Data Engineer │ DOU

B2B

Data Science

remote

GR8 Tech is a global product company that provides innovative, scalable platforms and business solutions for the iGaming industry.

We have а great experience: GR8 Tech platform successfully handles millions of active players and offers best practices to develop and grow in the gambling industry. We are here to provide great gaming tech to satisfy even greater ambition!

We develop complete tech coverage for gambling businesses worldwide, including iGaming platform solutions, consulting, integration, and long-lasting operation services.

We are driven by our ambition to make a great product with great people! Together we move the world of iGaming forward — join!

We invite those who fired up to:

Working with big enough datasets (200+ TB) which must be updated at least with hourly frequency;
DWH components: AWS (S3, Athena, Redshift), GCP(Cloud Storage, BigQuery), PostgreSQL;
Data collecting: Kafka, Google Analytics, Firebase, Appsflyer, Cloudflare, other 3rd party apps;
Data modelling: building centralised data catalog with well validated and documented data marts;
Data quality / integrity testing automation;
Designing and implementing REST based APIs;
Developing and supporting of ETL / ELT processes;
Creating and supporting of project documentation.

Essential professional experience:

3+ years experience Python / Data Engineer;
Hands-on experience with following technologies:
Designing, implementing RESTful API’s (Aiohttp, Flask, FastAPI);
Relational databases (PostgreSQL, Microsoft SQL Server);
Job scheduling, task queues;
Cloud providers: AWS (S3, Athena, Redshift), Google Cloud Platform (Cloud Storage, BigQuery), etc.;
Linux, Docker;
Incorporating and utilising BDD / TDD / Unit testing;
Exceptional problem solving, technical and data analysis skills;
Extensive knowledge of best practices in software design and design patterns;
Strong Computer Science fundamentals;
Knowledge in database theory: types, their pros and cons;
Knowledge in performance tuning of ETL Jobs, SQL’s, Partitioning, Indexing;
Hands-on experience with ETL, Data Warehousing tasks;
Solid understanding of git flow best practices.

Desirable skills and personal features:
Hands-on experience with following technologies:

Kubernetes;
Apache Airflow;
NoSQL databases (Elasticsearch, Redis, MongoDB);
Kafka, Kafka Connect, Kafka Streams;
NoSQL databases: MongoDB, ElasticSearch, Redis;
IaC: Terraform, Ansible;
Data visualisation tools (Tableau, PowerBI, Superset, Grafana, Kibana etc.).

We care of your:
Health

Medical compensation/Sport compensation;
Sport club participation (football, running, basketball or swimming clubs);
100% paid sick leaves;
20 working days of paid vacation.

Wealth

Competitive salary and сonstant encouragement for your efforts and contribution;
Bonuses according to company’s policy;
Welfare (financial support in critical situation);
Gifts for significant life events (marriage, childbirth).

Personal and professional growth

Individual annual training budget with an opportunity to visit paid conferences, training sessions, workshops etc.;
Free corporate library;
Opportunity to visit our non-stop internal meetups: open talks, IT Pump, etc. as a participant or a speaker and exchange knowledge;
A world-class team of T-shaped skilled professionals that share knowledge and support each other.

Leisure time