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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 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

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.

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

9 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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