Open to opportunities

Olha Yerchenko

@olhayerchenko

Message

Detail-oriented Junior Data Analyst passionate about actionable insights.

Poland

Message

What I'm looking for

I am looking for a role that offers growth opportunities and a collaborative environment.

I am a Junior Data Analyst with a strong passion for transforming complex datasets into actionable insights. My hands-on experience with SQL, Python, and Tableau has equipped me with the skills necessary to tackle data challenges effectively. Recently, I completed the Meta Data Analytics course, where I honed my abilities in data cleaning, visualization, and statistical analysis.

In my current role as a Data Annotator at Labelyourdata, I have successfully labeled and organized large datasets for machine learning models, maintaining an impressive annotation accuracy rate of 98%. My analytical thinking has contributed to improved data quality, which in turn enhances model performance. I thrive in collaborative environments, working with cross-functional teams to resolve complex issues and support data-driven decision-making.

Experience

Work history, roles, and key accomplishments

Current

Data Annotator

Current

Labelyourdata

Aug 2023 - Present (1 year 9 months)

As a Data Annotator, I labeled and organized large datasets for machine learning models, achieving a 98% annotation accuracy rate. I verified and validated data points, ensuring quality and consistency while applying analytical thinking to enhance data quality.

Data Annotation SQL Python Tableau Data Cleaning Data Visualization Machine Learning Quality Assurance Excel Analytical Thinking

Customer Service Representative

Customer airlines

Jul 2023 - Oct 2023 (3 months)

Managed over 100 customer inquiries daily through various channels, optimizing complaint resolution processes and improving customer satisfaction. Utilized Azure and Skyspeed for bookings and troubleshooting, while applying Excel for trend analysis and reporting.