Arakel Proshyan, Developer in Wrocław, Poland
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Arakel Proshyan

Verified Expert  in Engineering

Bio

Arakel is a full scope data expert with knowledge and experience in complete data lifecycle—end to end, covering collection, cleaning, processing, storing, securing, distributing, reporting and visualizing in an environment of the client's choice and budget.

Portfolio

GOG
Python, Apache Airflow, Apache Spark, HDFS, Scala, MySQL, Metabase, Tableau...
TransLoc (Modaxo) - Main
SQL, Data Warehousing, ETL, Google Cloud Platform (GCP), Data Pipelines...
Nokia
Python, SQL Server Analysis Services (SSAS), Microsoft Power BI, Azure...

Experience

  • Business Intelligence (BI) - 5 years
  • Data Engineering - 5 years
  • Microsoft Power BI - 5 years
  • Tableau - 4 years
  • Python - 4 years
  • Microsoft SQL Server - 3 years
  • PostgreSQL - 3 years
  • Azure - 2 years

Availability

Part-time

Preferred Environment

PostgreSQL, Microsoft Power BI, Python, Microsoft SQL Server, SQL Server Integration Services (SSIS)

The most amazing...

...thing I've built is a Power BI dashboard that helped a Fortune 500 company make effective decisions on its supply and delivery chain.

Work Experience

Data Analyst | Data Engineer

2020 - 2025
GOG
  • Guided the development process of Apache Airflow integration from a POC to a production-ready environment.
  • Automated the process of bonus code generation, saving around 15 hours of manual work per month.
  • Identified one of the reasons for user churn. Later, this created an opportunity to increase user retention by 5%.
  • Increased awareness of self-service data delivery using Google Analytics and internal tools.
Technologies: Python, Apache Airflow, Apache Spark, HDFS, Scala, MySQL, Metabase, Tableau, Docker, Google Cloud Platform (GCP), BigQuery, Google Data Studio, Google Analytics, Data Engineering, ETL, DB, Databases, SQL, Data Visualization, Microsoft Excel, Google BigQuery

Data Engineer

2022 - 2023
TransLoc (Modaxo) - Main
  • Created over 50 pages of technical documentation for an upcoming feature to guide developers in the implementation process.
  • Participated in the creation of a CDC pipeline using Debezium and Google Dataflow.
  • Designed a modernization of the reporting infrastructure in a lift and shift approach.
Technologies: SQL, Data Warehousing, ETL, Google Cloud Platform (GCP), Data Pipelines, Google BigQuery, Microsoft SQL Server, C#.NET, Data Engineering

Business Intelligence Engineer

2018 - 2020
Nokia
  • Introduced automation through Azure Logic Apps and Azure Data Studio to essential workflows.
  • Created a workflow of data operations to enable assisted decision-making in the supply and delivery chain using optimization techniques.
  • Contributed to a system of self-service data delivery for the end users.
  • Participated in the development and maintenance of a Power BI repository for reports and dashboards with 300+ monthly views.
Technologies: Python, SQL Server Analysis Services (SSAS), Microsoft Power BI, Azure, Microsoft SQL Server, SQL Server Integration Services (SSIS), ETL, Data Engineering, DB, Databases, SQL, Data Modeling, Data Pipelines, Data Visualization, Azure Analysis Services, Azure Data Factory (ADF), Databricks

Big Data Analyst

2016 - 2018
PicsArt
  • Automated the delivery of data from third parties to the internal KPI reporting environment.
  • Proposed a working PoC of CI/CD pipelines for Spark ETL jobs.
  • Participated in the identification of fraudulent users and removal of consequences of their actions.
  • Proposed a working application concept predicting a submission's chances of being irrelevant to the photo contest's topic.
Technologies: Python, Apache Spark, Google Cloud Platform (GCP), PostgreSQL, Tableau, Hadoop, MongoDB, ETL, DB, SQL, Data Visualization, Microsoft Excel

Experience

Demo Power BI Report

https://app.powerbi.com/view?r=eyJrIjoiMDc0MWVlZmEtYTlmZi00OGI3LTgzN2QtYTE3YTkzYmM5MjcyIiwidCI6Ijk3MDhlY2U4LWIyMjktNDIxNS04MzM0LTg0ZWZiYjkxM2YzNCIsImMiOjF9&pageName=ReportSection737daedd9160f69b081d
A demonstration of visualization skills using Power BI. The goal is to present the capabilities of Power BI and my ability to deliver data in a user-friendly format, enabling intelligent decision-making for the business.

Demo Tableau Report

https://public.tableau.com/app/profile/arakel/viz/Portfolio_30/DataScienceProject
A demonstration of visualization skills using Tableau. The first page contains a visualization of a specific search tree, where keywords with similar meanings are situated close to each other, enabling more intelligent search optimization. The rest of the pages contain a demonstrative dashboard for a fictional company.

Education

2010 - 2016

Bachelor's Degree in Management

French University in Armenia - Yerevan, Armenia

Certifications

FEBRUARY 2020 - PRESENT

MSCA: SQL 2016 BI Development

Microsoft

Skills

Tools

Microsoft Power BI, Tableau, Microsoft Excel, Apache Airflow, Power Query, BigQuery, Google Analytics

Languages

SQL, Python, Visual Basic for Applications (VBA), Excel VBA, Scala, C#.NET

Paradigms

Business Intelligence (BI), ETL

Storage

PostgreSQL, SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS), DB, Databases, Microsoft SQL Server, MySQL, Data Pipelines, MongoDB, HDFS

Frameworks

Apache Spark, Hadoop

Platforms

Azure, Google Cloud Platform (GCP), Docker, Databricks

Other

Data Warehousing, Data Modeling, Data Engineering, Data Visualization, Azure Analysis Services, Metabase, Web Scraping, Google Data Studio, Google BigQuery, Azure Databricks, Data Science, Azure Data Factory (ADF), Leadership

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