Denis Seliverstov

Denis Seliverstov Email and Phone Number

Data Migration \ ETL \ Oracle @ IT_One
Denis Seliverstov's Location
Russia, Russian Federation
About Denis Seliverstov

Dedicated, responsible and hardworking professional with extensive hands-on experience in software development, software engineering methodology and practices. Extensive hands-on experience in telecom data migration projects. Capable to deliver quality results in short terms.Works at Data and System Integration and Migration department.Taken part in company integration/migration projects with telecommunication world leaders.Development and support inner company products.Internal customer support as a part of company product support.Various production rollout support for company projects.Business trips to customer site for support customer on-site activities.Knowledge of skill programming:• Pascal• C++ (basic)• ObjectPascal (Delphi) (basic)• SQL (advanced)• PL/SQL (Oracle) (advanced)• ASM (basic)• PHP (basic)• HTML (basic)• JScript (basic)• 1C v.7.7 (Certificate 1С:Professional)• Java (beginner) • GO\Python - basicTools:Main: SQL, PL/SQL, Oracle, Postgres, JSON, Postman, Git, Jira, Oracle SQL Developer, PL/SQL Developer, SQL Plus, DBeaver, Apache Ni-Fi, Unix, bash, Putty, WinSCP, Jenkins.

Denis Seliverstov's Current Company Details
IT_One

It_One

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Data Migration \ ETL \ Oracle
Denis Seliverstov Work Experience Details
  • It_One
    Senior Software Engineer
    It_One Oct 2022 - Present
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  • Netcracker Technology
    Senior Software Engineer
    Netcracker Technology Dec 2021 - Oct 2022
    T-Mobile Netherlands.Data Migration stream :- Build Data Migration solution processing migration process using ETL, Oracle, SQL, PL/SQL, Postgres, NiFi, Git and etc.- SQL performance tuning- Support BA team- Developing solution for migrate legacy data in cloud (AWS) customer service
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  • Netcracker Technology
    Technical Manager
    Netcracker Technology Dec 2020 - Dec 2021
    Singtel Optus Pty Limited. Data Migration stream (Service Inventory):- Build Data Migration solution processing with source data (ETL, Oracle, SQL, PL/SQL)- SQL performance tuning- Support of End-to-end Data Migration delivery process (Analysis, Build, Testing, Rollout)- As mentor for transferring knowledge to other employees- Role - Technical Manager. Was involved in design, build, communicate with customer, testing the solution, deploy on internal environment… Show more Singtel Optus Pty Limited. Data Migration stream (Service Inventory):- Build Data Migration solution processing with source data (ETL, Oracle, SQL, PL/SQL)- SQL performance tuning- Support of End-to-end Data Migration delivery process (Analysis, Build, Testing, Rollout)- As mentor for transferring knowledge to other employees- Role - Technical Manager. Was involved in design, build, communicate with customer, testing the solution, deploy on internal environment, datafixes. and etc. Show less
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  • Netcracker Technology
    Software Engineer
    Netcracker Technology Dec 2015 - Dec 2020
    Singtel Optus Pty Limited.Data Migration stream (OSS domain):- Build Data Migration solution processing up to 1TB source data (ETL, Oracle, SQL, PL/SQL)- SQL performance tuning- Support of End-to-end QA testing over Migrated Data (data samples)- Data cleansing: Performing data migration iterations as part of iterative data cleansing strategy. Reviewing data validation fallouts with Customer, defining data cleansing plan, identifying data owners- During the project… Show more Singtel Optus Pty Limited.Data Migration stream (OSS domain):- Build Data Migration solution processing up to 1TB source data (ETL, Oracle, SQL, PL/SQL)- SQL performance tuning- Support of End-to-end QA testing over Migrated Data (data samples)- Data cleansing: Performing data migration iterations as part of iterative data cleansing strategy. Reviewing data validation fallouts with Customer, defining data cleansing plan, identifying data owners- During the project activities was few business trips in India and Australia. Pune, India - main pursone is for adapt and improve team which was involved in migration process (BA team). Few business trip to customer site (Sydney, Australia) for resolve any data migration issues and System Rollout. Managed a team for Data Cleansing and bugfixing activity- Support of End-to-end Data Migration delivery process (Analysis, Build, Testing, Rollout, Bug fixing, warranty, support, post-support)- Post Migration Warranty Support (Datafixes, hotfixes over real-life system) Project: Optus, Australia, Role: Developer of Migration stream (OSS domain) Show less
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  • Зао Фиабанк
    Инженер-Программист
    Зао Фиабанк Jun 2011 - Dec 2015
    Самарская Область, Россия
    • создание метаданных для текущих систем (Oracle);• реализация бизнес логики на языке RSL;• написание отчетов, библиотек, экранных форм и т.д. для RS-Bank v6, RS-Loans v5.1 в модуле "Кредитование".Реализация сбора и обработки информации из разрозненных систем для дальнейшей обработки в ПО Asv check для "Агенства страхования вкладов" в "автоматическом" режиме (реализация на PL\SQL) и дальнейшей обработки ошибок.Участвовал в миграции данных из RS-Bank v6 и RS-Loans v5.1 в… Show more • создание метаданных для текущих систем (Oracle);• реализация бизнес логики на языке RSL;• написание отчетов, библиотек, экранных форм и т.д. для RS-Bank v6, RS-Loans v5.1 в модуле "Кредитование".Реализация сбора и обработки информации из разрозненных систем для дальнейшей обработки в ПО Asv check для "Агенства страхования вкладов" в "автоматическом" режиме (реализация на PL\SQL) и дальнейшей обработки ошибок.Участвовал в миграции данных из RS-Bank v6 и RS-Loans v5.1 в ЦФТ-Банк (IBSO).Начальный уровень владения IBSO, PL plus. Show less
  • Ооо
    Инженер-Программист
    Ооо "Агролюкс" Sep 2010 - Jun 2011
    Самарская Область, Россия
    • обслуживание компьютерной техники;• администрирование 2-х серверов (интернет и 1С);• консультирование пользователей по работе с 1Сv8 и прикладных ПО.• поиск/устранение неполадок в сети• администрирование Active Directory• контроль и обслуживание лицензионного ПО• резервное копирование баз данных• сопровождение бухгалтерских программ• обслуживание оргтехники
  • Зао Аист
    Инженер-Программист
    Зао Аист Jun 2007 - Sep 2008
    Самарская Область, Россия
    PL/SQL:• написание функций/процедур для биллинговых систем.
  • Зао Автомобилист
    Инженер-Программист
    Зао Автомобилист Dec 2006 - Jun 2007
    • обслуживание компьютерной техники;• администрирование 2-х серверов (интернет и 1С);• написание отчётов и обработок на языке 1С;• консультирование пользователей по работе с 1С v7.7.
  • Infolada
    Инженер-Программист
    Infolada Jul 2006 - Dec 2006
    Самарская Область, Россия
    • модификация метаданных реализующих бизнес логику КИС «Илада»;• написание запросов и процедур/функций (PL/SQL);• создание отчетов в FastReport3.

Denis Seliverstov Education Details

  • Волжский Университет Им. В.Н. Татищева
    Волжский Университет Им. В.Н. Татищева
    Вычислительные Машины, Комплексы, Системы И Сети

Frequently Asked Questions about Denis Seliverstov

What company does Denis Seliverstov work for?

Denis Seliverstov works for It_one

What is Denis Seliverstov's role at the current company?

Denis Seliverstov's current role is Data Migration \ ETL \ Oracle.

What schools did Denis Seliverstov attend?

Denis Seliverstov attended Волжский Университет Им. В.н. Татищева.

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