cv

EN

Artsiom Chuiko

06.08.1994, Belarus

Nowhere

https://github.com/artkostm

artkostm@gmail.com

I am a developer with more than 8 years of well-rounded experience in backend development, object-oriented design, microservices architecture, data processing, and functional programming. My skills span various fields of software engineering, including application, web, and system development. As a supportive and enthusiastic team player, I am dedicated to streamlining processes and efficiently resolving project issues. I always strive to build and improve reusable tools and solutions to achieve repeatable, high-quality results

Skill Highlights:

Expertise in performance and scalability optimization.
Fluent in Scala, Java and Python. Have expirience working with js/ts, haskell, purescript, c# and many more.
Agile and Scrum methodologies.
Advanced API design and implementation.
Knowledge of SQL Server, MongoDB, PostgreDB, Kafka, Cassandra, Hadoop, and Spark.
Experienced in Azure cloud services.
Deep interest in data stack technologies, including data engineering, operations, and artificial intelligence

Expirience

Sep - Dec, 2019 – Big Data Team

Project Roles: Developer, Tech Lead

Developing Data Platform for a customer on Azure.

Led the development of a Data Lake on Azure, enhancing data pipelines, modeling, spearheaded the transition from classic Data Lake to Lake House architecture, focusing on data quality and governance.

Project modularization;
Implementation of data pipelines;
API integrations;
Data modeling;
Data marts, BI Reporting;
Transition from classic Data Lake to Lake House;
Data Quality anf Government;
Implementing RAG using the latest Gen AI tech stack;
Interviewing candidates and onboarding new members;

Tools: Azure, Databricks, Azure Data Factory, Azure Batch, APIM, Event Hub, Kafka, NiFi, Spark, Log Analytics, Power BI, Sharepoint, Scala, Java, SQL, Python

Jul - Aug, 2019 – Big Data Team

Project Roles: Developer

New product analysis and predictions. Customer wanted high-profile Data Since work, but ended up putting the team into an archetecture/consultancy kind of way, so the project was effectively paused for lack of environment and data.

Implementation of data pipelines;
Data visualisation with Kibana dashboards;

Tools: AWS, Glue, Elasticsearch, Kibana, Lambda, Java, Python

Jan - Jul, 2019 – Big Data Team

Project Roles: Developer

The project re-thought how our customer allocated inventory to its stores. By exploring algorithmic techniques, we developed demand forecasting algorithms, and applyed business rules to those forecasts to deliver improved store-level allocations that consider sales forecasts and regional effects + ecommerce allocation optimization.

Ensured data quality and optimized cloud infrastructure using Airflow, GCP, Hive, and Python

Implementation of data pipelines;
Data quality checks;
Cloud infrastructure;

Tools: Airflow, GCP, Hive, Terraform, Python, Pyspark, Pandas

Oct, 2018 - Jan, 2019 – Big Data Team

Project Roles: Developer

Implemented “discounts on the fly” processing over 1Tb of data within an hour using Spark structured streaming. Conducted Spark and Kafka tuning and troubleshooting, ensuring optimal performance and reliability.

Tools: Spark, Kafka, Scala, Sbt, S3, HDFS, Jenkins, Qubole

Apr, 2017 - Oct, 2018 – Analyst tools team

Project Roles: Developer

Implementation of web tools for the analysts, new case management platform

Implementation of web tools for the analysts;
Working on the new Case Management platform;
Moving from .Net (aspx/classic asp) to Java + Angular 4;
Participating in onboarding of new members;
Working directly with customer developers from India during the last few months;

Tools: Spring, Angular 4/5, Gradle, Mybatis, Rabbit, Mongo, Ms Sql, Karma, QueryDsl

Jan, 2016 - Apr, 2017 – Fraud tools team

Project Roles: Developer

Implementation of an auth service (REST) with Admin UI, disputes/debit memos autoimport

Writing services to manage user roles/permissions;
Working on services to autoimport disputes from different banks;
Participating in communication with customer and in web app designing (REST api, ui mockups), database development, unit/integration/functional tests implementation;

Tools: Spring, Mybatis, JQuery, Gradle, RetsAssured, JUnit, Mockito, Selenium, Ms Sql

Feb, 2015 - Jan, 2016 – Fraud team

Project Roles: Developer

Implementation and support of sets of services to auto detect fraudulent transactions.

Performing integration with external and internal web services;
Developing applications for data processing using hive and hadooop java APIs;
Supporting code base and monitoring environment (for example, Splunk, AppDynamics);
Performing functional testing and dev unit testing;
Participating in app design activities;

Tools: Spring, Gradle, Ms Sql, MongoDB, Hadoop, JQuery, Splunk, Rabbit, Kibana, ElasticSearch, Jenkins, Stash, Guthub

Sep, 2014 – Feb, 2015 – Data preparation to retrain fraud models

Project Roles: Developer, Tester, Ops

Using the tools below, we developed MapReduce jobs and hive-scripts for data preparation, so data scientists can retrain their fraud models.

Partisipation:

Writing hadoop jobs to prepare some data for model retraining;
Writing functional tests for the mr jobs and hive scripts;
Working on func tests design;

Tools: Hadoop, Hive, Gradle, JUnit, Jsch, AngularJs

Certifications

Holder of numerous valid certifications in data engineering and operations: View Certifications

Education

Master of Technology (MTech), Engineering Psychology and Ergonomics, BSUIR – Faculty of Computer-Aided Design, 2016-2018
Bachelor of Science (BS), Information Systems and Technologies, BSUIR – Faculty of Engineering and Economics, 2011-2016

Outside of work

I have a keen interest in functional programming. In my free time, I love to play outdoor games, read books and blogs, and explore new technologies and features. I pay special attention to self-education. Below are some of my personal projects:

Scala on android (free monad + redux). Tools: Macroid, Gradle, FreeS, Diode
An android application with augmented reality support for the public transport schedule (Kotlin). Tools: Gradle, Anko, ObjectBox, Rx
Web framework for fast web app development. Tools: Netty, Akka (Java), Camel, Gradle, Level DB
An application to aggregate different events in Minsk and for visiting them together (REST api + android client app). Tools: Finatra, Slick, Sangria, Postgres, Circe, Dialog Flow, Swagger, Sbt, Heroku, Akka (Scala), Http4s, Doobie, Anko, Appolo, Gradle.
YARN application framework. Tools: Hadoop, yarn clients, zio, cats, mu.
Oracle Fusion HCM rest client. Tools: zio, sttp.
A few PoCs related to data and web (see my github profile)