- 3+ years of experience in projects with large volumes of data
- Experience building and supporting a data warehouse as an ETL developer
- Extensive knowledge of ETL concept

About the vacancy

Our client is a British bank, one of the largest financial services companies in the world. The bank was founded three centuries ago, and today its assets are estimated to be worth trillions of US dollars.

DataArt's experts together with developers on the client's side are creating new banking apps and upgrading the old ones.

Working on this project will provide an opportunity to participate in the technological modernization of a large financial institution, to create a product for millions of users, and to obtain experience in agile software development.

We hire people not for a project but for the company. If the project (or your work on it) is over you go to another project or to a paid “Idle”.

Responsibilities
- Development of ETL streams using Informatica and PL/SQL
- Building dependency streams for downloads
- Data preparation and analysis
- Testing architectural hypotheses in practice/preparation of prototypes

Must have
- 3+ years of experience in projects with large volumes of data
- Experience building and supporting a data warehouse as an ETL developer
- Extensive knowledge of ETL concept
- Knowledge of the mechanisms of data transformation
- Experience in the optimization and parallelization of ETL processes
- Solid experience with Informatica PowerCenter
- Knowledge and experience working with Oracle DBMS as a developer
- Knowledge of SQL at the level of writing effective queries for fetching and transforming big data
- Ability to write complex SQL queries using PL/SQL
- Experience building load and download dependencies
- Understanding of Source-to-Target
- Understanding the principles of working with a "golden record"
- Experience implementing reused procedures and mapplets
- Experience with historical data, business history, technical history, including in the absence of Transaction date in the source, generation of surrogate keys
- Spoken English

Would be a plus
- Knowledge of shell scripts at the level of processing CSV files (Linux)
- Ability to collect and analyze requirements
- Experience designing databases and data warehouses

Learn more about our policy of equal opportunities in employment

About DataArt

DataArt с 1997 года проектирует, разрабатывает, модернизирует и поддерживает IT-решения в области финансов, здравоохранения, телекома, туризма, медиа и интернета вещей.

Клиенты DataArt — компании с уникальными бизнес-моделями — находятся в США и Великобритании, а распределенные команды специалистов — в центрах разработки в России, Украине, Польше, Аргентине и Болгарии.

Company website:
https://dataart.ua

DOU company page:
https://jobs.dou.ua/companies/dataart/

Job posted on 15 July 2021
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