Evgenii Samofalov
Bis 2022, Lead Specialist, Bercut
Berlin, Deutschland
Über mich
Skilled data engineer and database developer with 10+ years of professional experience. Several years of developing billing software for mobile operators in PL/SQL (Oracle RDBMS, TimesTen), accompanied by career growth from an ordinary developer to a team leader. Participated in the design and development of several corporate relational data warehouses in telecom and retail domains using various ETL-tools and Oracle BI as an analytical platform. I have experience in creating solutions for stream processing, data storage and analysis using Apache technology stack.
Werdegang
Berufserfahrung von Evgenii Samofalov
4 Jahre und 2 Monate, Aug. 2018 - Sep. 2022
Lead Specialist
Bercut
Return to the DATA group. Participation in R&D and integration projects, including: - creating a cache of subscriber parameters for Tele2 Russia using Oracle TimesTen; - implementation of DWH/BI for billing of various customers, including MOTIV (Yekaterinburg), Zet-mobile (Tajikistan) and others; - creating solutions for streaming data processing and big data analytics using the Hadoop ecosystem (Cloudera and RT.Hadoop distibutives). Participation in tenders and presale activities as an software expert.
5 Monate, März 2018 - Juli 2018
Lead Developer
Nexign
Refactoring and optimization of PL/SQL for dealer reward calculation module of Megafon Russia billing. Preparing datamarts for SAP BO universes. Scrum-team with 2-weeks sprints, gitflow, CI/CD-pipelines, but which had huge amount of legacy code and technical debt.
1 Jahr, März 2017 - Feb. 2018
Lead Software Developer
Bercut
Database development team leader. Distribution of tasks, mentoring, code review. Participated in job interviews. And even more programming on PL/SQL.
1 Jahr und 11 Monate, Apr. 2015 - Feb. 2017
Senior Software Developer
Bercut
Participation in the billing system development team for Tele2 Russia mobile operator as database developer. Database design, PL/SQL coding, SQL tuning. We used the waterfall software development model, but tried agile techniques such as JIRA, daily stand-up meetings, Kanban boards, etc.
1 Jahr und 10 Monate, Juni 2013 - März 2015
Software Developer
Bercut
In a team with my former leader from KORUS, in a few months we successfully created a ROLAP DWH for billing system with tens of millions of subscribers and an advanced analytical system with dozens of interactive dashboards and reports using Oracle software. Developed PL/SQL migration scripts that made it possible to transfer subscriber data from several billings of Rostelecom mobile operators to convergent billing of Tele2 Russia in a few hours.
2 Jahre und 11 Monate, Aug. 2010 - Juni 2013
DWH/BI Developer
KORUS Consulting
Participated in several successfully completed DWH/BI implementation projects in retail domain as an ETL developer, BI developer. Technology stack: Oracle RDBMS 12c, Oracle Warehouse Builder, Oracle Business Intelligence.
1 Jahr und 11 Monate, Aug. 2008 - Juni 2010
Senior Officer at Committee of Information Technologies
City Hall
Design and development of client-server applications for non-commercial usage. Technology stack: Oracle RDBMS 10g, Sybase PowerBuilder.
Ausbildung von Evgenii Samofalov
2004 - 2009
Software Engineering
Yaroslav-the-Wise Novgorod State University, Velikiy Novgorod, Russia
Anabin H+ A5 diploma
Sprachen
Russisch
Muttersprache
Englisch
Fließend
Deutsch
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