- Developed and implemented data pipelines (Apache Beam, Google Datflow, BigQuery) that processed actual synchronization metrics between smart band and mobile app, as well as device wearing patterns and charging behavior data. All data was loaded into Data Warehouse (DWH) in formats ready for comprehensive analysis and reporting. - Defined methodology and calculated customer experience metrics (LT, churn, retention, reconnect, DAU/WAU/MAU, ANPS, etc.), created a CX dashboard (Google Looker Studio), enriched the technical support dashboard with new data dimensions. - Developed and implemented a user segmentation model (ML, clustering, K-means) to identify user segments with low engagement levels, which enabled targeted retention campaigns and directed marketing initiatives. - Conducted more than 20 comprehensive studies of user behavior and market potential analysis (SQL, Python, Google Colab, pandas, seaborn) for further product development and marketing strategy.

Podolsk Regional Clinical Hospital | Apr 2021 - Mar 2024

Lead Engineer

- Successfully transitioned to a new role as a data analyst with a strong engineering background, quickly adapted to new technologies and processes. - https://github.com/DragonSigh/pokb-airflow Organized ETL process with task orchestration using Apache Airflow with daily scheduled runs, Telegram reporting, which improved the timeliness of report delivery to departments. - https://github.com/DragonSigh/pokb-metrics-collector Designed and implemented Python programs to automate data collection and analysis of the hospital's key performance indicators (KPIs) with uploading to a simple Google Spreadsheets dashboard, which improved the hospital's ranking at the regional level. - Organized the analysis of incoming phone calls and tasks in the information technology department, allowing the supervisor to receive timely summary information. - Handled and organized data inside medical information system (EMIAS MO), analytical information systems (BI), keeping accurate and efficient data management.

Freelance | May 2010 - Dec 2022

Web Developer

1. Installed, configured, and administered various CMS (MODX, WordPress, OpenCart, Shop-Script, etc.), ensuring optimal performance and stability. 2. Managed server software via the Linux terminal (primarily Debian), consistently maintaining high levels of performance and stability. 3. Handled front-end development, creating themes, integrating custom HTML/CSS/JS templates, and optimizing code to ensure a seamless user experience.

Klimovsk Central City Hospital | Dec 2014 - Apr 2021

Lead Programmer

1. Installed and maintained a network of 80 computers with servers and office equipment in hospital, ensuring optimal performance and uptime. 2. Managed and organized data for medical information systems (EMIAS MO, Megaclinic, ERIS), analytical information systems (GASU, BI), and enterprise resource planning systems (1C, Smeta, URM), ensuring accurate and efficient data management. 3. Provided technical support for the national product labeling system "Chestny ZNAK" for drug inventory, ensuring smooth operation and compliance with regulations. 4. Issued electronic digital signatures, ensuring secure and efficient document management. 5. Prepared requests, technical specifications, and claims for the purchasing department, resulting in improved procurement processes. 6. Deployed an interdepartmental electronic document management system, streamlining manual processes and replacing pen and paper, ultimately increasing employee productivity. 7. Trained over 100 employees in medical and administrative information systems, conducted over 60 seminars and conferences, resulting in increased knowledge and skills of the workforce. 8. Developed and implemented information security documents and carried out evaluations to ensure the protection of sensitive data. 9. Ran the official website on VPS and managed it, maintained a strong social media presence.

About Me

Data Analyst | Background: IT System Administrator with 10+ years of experience in Healthcare | Enjoying biohacking and photography

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Vladislav Kovnerov

Data Analyst

HEALBE

My Work

Project: Analyzing Motorcycle Part Sales

Project: Investigating Netflix Movies

Project: Exploring NYC Public School Test Result Scores

Project: Exploring London's Travel Network

Project: Analyzing Crime in Los Angeles

Project: Analyzing Students' Mental Health

Investigating Guest Stars in The Office

Project: Analyzing Motorcycle Part Sales

My Certifications

Data Engineer Associate

DataCamp Course Completion

Courses

Courses

Tracks

Projects

My Work Experience

HEALBE | Mar 2024 - Present