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Denys Yeromenko

Denys Yeromenko

Data Analyst

Self-employed | Ukraine

Technologies

My Portfolio Highlights

My New Track

Data Engineer

My New Project

Cleaning Bank Marketing Campaign Data

My New Dataset

Tableau Public

My New Track

Data Engineer

My Work

Take a look at my latest work.

track

Data Engineer

project

Cleaning Bank Marketing Campaign Data

course

Case Study: Analyzing Customer Churn in Tableau

dataset

Tableau Public

track

Data Engineer

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Sololearn Python 3 Core

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Data Science
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

Playtika | Jan 2019 - Jan 2023

Second Level Support Engineer

• Supported business, customer support, R&D, and cross-functional teams. • Managed the queue of production incidents, determined priorities, and addressed them appropriately. • Communicated highly technical, complex issues between business, customer support, and R&D.
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Ring | May 2018 - Jan 2019

Community Support Specialist

• Ensured the high level of community experience by providing technical support. • Provided proofreading and editing services for the support team agents.

PayPro Global Inc. | May 2017 - Oct 2017

Risk Analyst

identify fraud. • Took care of potentially fraudulent payments by performing transaction legitimacy verification. • Secured a high level of customers' payment experience by assisting them via phone, email and chat.

Namecheap, Inc | Mar 2015 - Sep 2016

Customer Fraud Control Representative

• Reduced the charge-back rate by scanning the transactions and filtering out the fraudulent payments. • Helped the customers with the ownership verification and access restore. • Decreased the company charge-back losses by handling the disputes at the payment processors level.

Namecheap, Inc | Jun 2014 - Mar 2015

Customer Support Representative

• Made the customers happy by helping them with their domains and websites technical operation.

LuckyWare Pro LTD | Aug 2011 - Jan 2013

Software Quality Assurance Test Engineer

• Developed the testing plans for network equipment embedded software. • Assured the quality of web-apps and automated their regression and functional testing scenarios. • Supported the testing process by creating auxiliary documentation.

ProfITSoft (VData Ukraine) | Jul 2008 - Apr 2010

Software Quality Assurance Test Engineer

• Secured the quality of the software system for German insurance brokers. • Supported the continuous development by automating the regression tests. • Made the fellow testers' work easier by creating automated UI testing scripts.

My Education

Take a look at my formal education

Master's degree in Applied LinguisticsV. N. Karazin Kharkiv National University | 2011

About Me

Denys Yeromenko

7 years of experience, with 4 years in Tier 2 production support & technical data analysis. Skills: SQL, Python, Tableau, MS Excel, Data Analysis, Data Visualization, Data Presentation, Databases, Data ETL, Advanced English (C1), intermediate German.

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