Alexander Ozertsov

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Registration: 08.11.2022

senior

Specialization: Big DataEngineer

MongoDB Docker Ansible Jenkins Amazon S3 Kafka Python Java AWS Spark Scala Apache Hadoop SQL

Portfolio

Lamoda

• Buildinging Data Platform. • Development Data Governance. • Data processing with Spark. • orchestration with airflow.

Raiffeisenbank

• Automatisation internal processes. • Generating programming standards. • Checking programming standard.

Epam Systems

• Project team leader. • Resources allocation. • ETL processing with PySpark. • CI/CD with Jenkins/Docker. • Backend with Spring-Boot. • Elastic search as skills storage.

Skills

ADO.Net

Airflow

Amazon EMR

Amazon S3

Amazon StepFunction

Ansible

ASP.Net MVC

Cassandra

Docker

Elastic Search

Entity Framework

Hadoop

Hive

Impala

Java

Jenkins

Kafka

MongoDB

MsSql

Node.js

Python

ReactJS

Scala

Snowflake

Spark

Work experience

Senior BigData developer

since 10.2021 - Till the present day |Lamoda

Scala, Python, Spark, Hive, Airflow, Kafka, ElasticSearch, S3, Oracle, Postgres, Cassandra, Kubernetes

• Buildinging Data Platform. • Development Data Governance. • Data processing with Spark. • orchestration with airflow.

Data Engineer

10.2020 - 10.2021 |Raiffeisenbank

Java, Python, Spring, ELK, Postgres, MongoDB, Docker, Kubernetes, GitlabCI, Gradle, Ansible

• Automatisation internal processes. • Generating programming standards. • Checking programming standard.

Java developer

since 2019 - Till the present day |Algotrader

Python

• Connection to cryptocurrency exchange platforms. • Python chart visualization. • Prediction algorithms.

Data Engineer

10.2019 - 10.2020 |Epam Systems

Python, Java, Scala, Spring, Spark, Elasticsearch, Amazon Cloud, Gitlab CI, Docker, Gradle

• Project team leader. • Resources allocation. • ETL processing with PySpark. • CI/CD with Jenkins/Docker. • Backend with Spring-Boot. • Elastic search as skills storage.

Big data engineer

10.2018 - 10.2020 |Epam Systems

Scala, Python ,Spark, Hive, Impala, Cloudera, Amazon EMR, Amazon S3, Amazon CloudWatch, Amazon StepFunctions

• Ingesting data with Streamsets. • Data processing with Spark. • ETL pipeline orchestration with Airflow.

Java developer

05.2018 - 10.2018 |DSX-Technologies

Java, Netty, Spring, Postgres, Gradle, Jenkins, Bitcoin, Ethereum

• Improve notifications architecture. • Support Ethereum/Bitcoin architecture. • Support EOS blockchain. • Introduce Kafka messaging system.

Java developer

08.2017 - 05.2018 |T-Systems RUS

Java, Spring, Postgres, Ant, Gradle, Docker

• Integrate gradle build. • Migrate web applications to spring framework (Spring MVC, Spring Data). • Rebuild platform architecture.

Java developer

2016 - 2017 |Linearization Checker

• Java Bytecode analysis to introduce synchronization points. • Developed library for checking thread safety data structures. • Results were presented at JokerConf and SECR.

Developer

2016 - 2016 |Oberon compiler

Oberon

• Developed compiler for Oberon language using generic-transformers library with Ocaml.

Full stack developer

07.2016 - 11.2016 |AutoTransInfo

JavaScript, ReactJS, .Net Framework, ASP .Net, LINQ, Entity Framework, MSSQL, MongoDB, Redis, Rabbit MQ

• Support and implementation of new functions in the API service. • Support BackEnd application. • FrontEnd support application. • Writing Unit tests.

Developer

2015 - 2015 |Digital Design

Angular

• Developer School at Digital Design. • Developed .Net application using Angular framework as frontend.

Developer

2014 - 2014 |Visual Studio plugin

Visual Studio

• Visual Studio plugin for Visualization code of built-in languages.

Educational background

Software and Administration of Information Systems

2013 - 2017

Saint Petersburg State University, Mathematics and Mechanics Department

Languages

GermanElementaryEnglishUpper IntermediateRussianNative