Recommended expert

Aleksei Veremeev

Technical Expert

Aleksei Veremeev
Slovenia

Experience

May 2024 - Present
1 year 10 months

Technical Expert

PL Developments

  • Oracle E-Business Suite 12.2 and Oracle Database 19c migration to Cloud
  • Oracle Database TDE implementation
  • Oracle Database CDC using own tool which reads redo log files directly
  • Legacy Oracle DW (Oracle BI Apps) to AWS Cloud: Amazon Redshift, Amazon S3, AWS Lake Formation, Apache Iceberg, AWS Glue
Nov 2023 - Apr 2024
6 months

Technical Lead for Platform Migration

Ministry of Finance of Kazakhstan Republic

  • Platform Migration of Oracle E-Business Suite 12.1.3 and Oracle Database 11g (whole country budget execution system) from HP-UX Itanium to Linux x86_64
  • Oracle Change Data Capture for reduction Oracle license base
  • Oracle Database
  • Apache Kafka
  • Oracle Tools
Jun 2022 - Nov 2023
1 year 6 months

Database Expert

D-BASF

  • Cloud Database migration assessment and pilot
  • Oracle Change Data Capture for reduction Oracle license base
  • Oracle BI migration to Oracle AnalyticsServer and Apache SuperSet
  • MongoDB Atlas Cloud implementation
  • Various key-values and wide-column databases implementation and migration
  • Various DBaaS, PaaS solutions, especially MongoDB Atlas Cloud
  • IaC (Terraform, AWS Cloudformation)
  • Amazon RDS for MySQL, Amazon Aurora for MySQL, Amazon Aurora for PostgreSQL
  • Oracle Cloud Infrastructure, Oracle Database, Apache Kafka
  • Apache Cassandra, DataStax DDAC, Amazon DynamoDB, Microsoft CosmosDB
  • OEM, Graphana
Feb 2022 - Apr 2022
3 months

Integration Specialist

Würth Elektronik

  • Replication and transformation of SQL Server ERP data to MongoDB and Apache Kudu
  • Microsoft SQL Server
  • MongoDB
  • Cloudera Data Platform
  • Apache Hadoop, Apache Kafka, Apache Impala, Apache Kudu
Jan 2022 - Feb 2022
2 months

Relational Database Performance Specialist

Prime Source Kazakhstan

  • Performance tuning of HA PostgreSQL cluster
  • PostgreSQL, PG-Pool II, HA-Proxy
  • pg_profile
Dec 2021 - Feb 2022
3 months

Distributed Database Performance Specialist

Kazakhstan Development Bank

  • Performance tuning of Apache Cassandra cluster
  • Upgrade of Apache Cassandra cluster
  • BPM database migration from MySQL to MariaDB
  • Apache Cassandra
  • MySQL, MariaDB
Apr 2021 - Dec 2021
9 months

Big Data Engineer

Qliro AB

  • Infrastructure shift from on-premise to AWS
  • Hadoop/Spark upgrade and migrating some functionality, including Oozie to Airflow workflows change, to Snowflake
  • Merchant analytics
  • Apache Hadoop, Apache Kafka, Apache SPARK, Apache Airflow, Cloudera Data Platform
  • Amazon S3, Amazon Redshift, Amazon EC2, AWS Glue, AWS MSK, Amazon ALB
  • Snowflake
Jul 2017 - Oct 2020
3 years 4 months
Hybrid

Solutions Architect

SAS Russia

  • AML Hybrid Cloud Architecture for Société Générale group member in Russia
  • Technical architecture and implementation for marketing lead generation and customer insights system in biggest Russian private bank
  • Lift-and-shift transformation of on-premise SAS Analytics installation to AWS Cloud
  • AWS HA and DR facilities for SAS Analytics resilience
  • Migration of Apache Cassandra to DDAC
  • Solution sizing estimation
  • Performance tuning
  • Kerberizing SAS Analytics and Apache Hadoop using Microsoft Active Directory and FreeIPA
  • Apache Hadoop, Apache Kafka, Cloudera Data Platform, Confluent Platform, Hortonworks
  • Apache Cassandra, Amazon DynamoDB, DataStax DDAC
  • Amazon S3, Amazon EC2, Amazon ALB
  • SAS Analytics
  • Oracle, PostgreSQL, Microsoft SQL Server
  • Microsoft Active Directory, FreeIPA
Jun 2012 - Jun 2017
5 years 1 month
Hybrid

Enterprise Architect, Technical Advisor

Oracle Russia

  • Kazakhstan Treasury digital transformation
  • Engineered systems, hybrid, and private cloud for Sberbank
  • e-Commerce solution for retail - RS24: supply chain management, payments processing and product catalog using Oracle solutions for e-Commerce and retail
  • Oracle Cloud Infrastructure for Rostelecom
  • TCO modeling and HW sizing estimates for various Oracle customers in Russia and Kazakhstan
  • Performance problems solving for Oracle customers
  • Oracle Exadata, Oracle Supercluster, Oracle Exalogic, Oracle Exalytics
  • Oracle TCO calculator, Oracle Sizing Tool
  • Oracle E-Business Suite, Oracle Hyperion, Oracle Database, Oracle Weblogic, Oracle Primavera, Oracle Demantra, Oracle Business Intelligence, Oracle Endeca, Oracle ATG
  • Java, OAF, ADF, PL/SQL, SQL
Apr 2007 - May 2012
5 years 2 months

Sales Consulting Manager

Oracle Russia

  • NLS development (Oracle Database and Java) for Oracle customers in Kazakhstan, Azerbaijan and Republic of Georgia
  • Trusted advisor for Russian Federal Treasury, Kazakhstan Ministry of Finance, Rostelecom, and Vimpelcom
  • Transformation of Rostelecom IT systems after M&A
  • Upgrade and self-service (20000 self-service concurrent users) for Kazakhstan Treasury
  • Oracle TCO calculator, Oracle Sizing Tool
  • Oracle E-Business Suite, Oracle Siebel, Oracle Hyperion, Oracle Database, Oracle Weblogic, Oracle Primavera, Oracle Demantra, Oracle Business Intelligence and Oracle Business Intelligence Applications
  • Java, OAF, ADF, PL/SQL, SQL
Jul 1998 - Mar 2007
8 years 9 months

Principal Sales Consultant/Support Analyst

Oracle Russia

  • Advanced post-support for Kazakhstan Treasury
  • Technical and security architecture for Russian Federal Treasury project presale stage
  • Technical architect for Vimpelcom new financial system
  • Oracle TCO calculator, Oracle Sizing Tool
  • Oracle E-Business Suite, Oracle financial Analyzer, Oracle Database, Oracle Express Server, Oracle Discoverer
  • Java, OAF, ADF, PL/SQL, SQL, Oracle Forms, Oracle Reports
Jan 1998 - Jul 1998
7 months

IT Manager

D'Arcy Masius Benton & Bowles Eurasia

Jan 1997 - Jan 1998
1 year 1 month

IT Manager

Ogilvy & Mather Moscow

Oct 1995 - Dec 1997
2 years 3 months

IT Manager

BBDO Marketing Moscow

Dec 1990 - Sep 1995
4 years 10 months

Analyst

Ministry for Foreign Economic Relations of Russia

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Banking and Finance (18 years), Information Technology (15.5 years), Government and Administration (5 years), Retail (5 years), Telecommunication (5 years), and Advertising (3 years).

Banking and Finance
Information Technology
Government and Administration
Retail
Telecommunication
Advertising

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (29.5 years), Business Intelligence (15.5 years), Sales (14 years), Customer Service (8.5 years), Finance (5 years), and Supply Chain Management (5 years).

Information Technology
Business Intelligence
Sales
Customer Service
Finance
Supply Chain Management

Summary

Highly accomplished Enterprise and Cloud Solutions Architect with over 20 years of experience in strategic planning and technical execution of digital transformation initiatives. Proven ability to leverage technology to address complex business challenges, demonstrating exceptional performance, operational acumen, and a deep understanding of how information systems can optimize business functions.

Possesses extensive industry experience in the financial, public sector, and utilities domains, with expertise in translating intricate business requirements into precise technical specifications, developing comprehensive technical documentation, and outlining strategic roadmaps for successful digital transformations.

Demonstrates robust proficiency in Cloud platforms (Amazon Web Services, Oracle Cloud Infrastructure, Google Cloud Platform), Oracle Database and Oracle Business Applications, supported by more than 25 years of experience in enterprise IT. Possesses a comprehensive understanding of programming languages, Unix/Linux environments, ERP/CRM/IdM systems, and both SQL and NoSQL databases.

A highly motivated team player with exceptional interpersonal skills, capable of forging strong professional relationships and rapidly acquiring and applying new technologies.

Innovator and author of open-source solutions for Oracle Database Change Data Capture and ETL (leveraging Apache Kafka), as well as a data transfer solution for Oracle Database to Apache Iceberg tables (Amazon S3 Tables). Has published various articles on Oracle Database Internals and developed an alternative Single Sign-on solution for Oracle E-Business Suite, Oracle Hyperion, Oracle Primavera, Oracle Siebel, Oracle Demantra, and Oracle Business Intelligence, featuring direct integration with Microsoft Active Directory or FreeIPA KDC.

Skills

  • Cloud: Tco/business Case, Infrastructure As Service, Journey To Cloud
  • Methods: Ci/cd, Oracle Oum, Oracle Aim, Agile
  • Architecture: Oracle Ea, Togaf
  • Rdbms: Oracle, Postgresql, Microsoft Sql Server, Mysql, Yugabytedb, Amazon Aurora, Amazon Redshift
  • Nosql, Bigdata: Apache Hadoop, Apache Kafka, Mongodb, Amazon Emr, Amazon Managed Workflows For Apache Airflow, Apache Cassandra, Amazon Dynamodb, Amazon Documentdb, Apache Hive, Apache Impala, Apache Spark, Aws Lake Formation, Apache Iceberg, Amazon S3 Tables
  • Programming: Java, Kotlin, Scala, Jsf, Javascript, C++, Sql, Pl/sql, Python, Perl, Shell
  • Os/virtualization: Linux, Solaris, Aix, Docker, Kubernetes, Vmware
  • Domain Knowledge Of Fault-tolerant, And Highly-available Systems

Languages

English
Advanced
Russian
Advanced

Education

Oct 1985 - Jun 1990

Military Academy of Strategic Missile Forces

Combat Management Systems · Serpukhov, Russian Federation

Oct 1983 - Jun 1985

Moscow Suvorov Military School

Moscow, Russian Federation

Certifications & licenses

Apache Cassandra 3 Developer Associate

Cloud Practitioner

Data Analytics Speciality

Database Speciality

MongoDB Associate Developer

Neo4j Certified Professional

Oracle Cloud Infrastructure 2023 Certified Architect Professional

Oracle Cloud Infrastructure 2023 Multicloud Architect Certified Associate

Profile

Created
Last Update
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

Do you have questions? Here you can find further information.

What languages does Aleksei speak?

Aleksei speaks the following languages: English (Advanced), Russian (Advanced).

How many years of experience does Aleksei have?

Aleksei has at least 35 years of experience. During this time, Aleksei has worked in at least 13 different roles and for 13 different companies. The average length of individual experience is 2 years and 4 months. Note that Aleksei may not have shared all experience and actually has more experience.

What roles would Aleksei be best suited for?

Based on recent experience, Aleksei would be well-suited for roles such as: Technical Expert, Technical Lead for Platform Migration, Database Expert.

What is Aleksei's latest experience?

Aleksei's most recent position is Technical Expert at PL Developments.

What companies has Aleksei worked for in recent years?

In recent years, Aleksei has worked for PL Developments, Ministry of Finance of Kazakhstan Republic, D-BASF, Würth Elektronik, and Prime Source Kazakhstan.

Which industries is Aleksei most experienced in?

Aleksei is most experienced in industries like Banking and Finance, Information Technology (IT), and Government and Public Administration. Aleksei also has some experience in Retail, Telecommunication, and Advertising.

Which business areas is Aleksei most experienced in?

Aleksei is most experienced in business areas like Information Technology (IT), Business Intelligence, and Sales. Aleksei also has some experience in Customer Service, Finance, and Supply Chain Management.

Which industries has Aleksei worked in recently?

Aleksei has recently worked in industries like Information Technology (IT), Chemical, and Banking and Finance.

Which business areas has Aleksei worked in recently?

Aleksei has recently worked in business areas like Information Technology (IT) and Business Intelligence.

What is Aleksei's education?

Aleksei holds a Master in Combat Management Systems from Military Academy of Strategic Missile Forces.

Does Aleksei have any certificates?

Aleksei has 8 certificates. Among them, these include: Apache Cassandra 3 Developer Associate, Cloud Practitioner, and Data Analytics Speciality.

What is the availability of Aleksei?

Aleksei is immediately available full-time for suitable projects.

What is the rate of Aleksei?

Aleksei's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Aleksei?

To hire Aleksei, click the Meet button on the profile to request a meeting and discuss your project needs.