Victor Lupaescu, Developer in Cluj-Napoca, Cluj County, Romania
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Victor Lupaescu

Verified Expert  in Engineering

Data Visualization Developer

Location
Cluj-Napoca, Cluj County, Romania
Toptal Member Since
November 2, 2022

Victor is a versatile big data and analytics consultant with 10+ years of experience helping companies shift from gut-based to data-driven decisions. He's a thought leader and data visualization best practices evangelist. He has spoken at various local and global events, showcasing his passion for data visualization. Victor has also managed big data and DevOps practices with 150+ engineers in a large digital transformation company.

Portfolio

Freelance Clients
Tableau, Google Data Studio, SQL, API Connectors, Business Intelligence (BI)...
Cognizant Softvision
Business Intelligence (BI), Big Data, Database Development, Reporting...
Softvision
Business Intelligence (BI), SQL, Tableau, ETL, Data Warehousing...

Experience

Availability

Part-time

Preferred Environment

Windows, Tableau

The most amazing...

...analysis that I've done determined how the website and application response times affect conversion, translating into a rise of $50 million in annual revenue.

Work Experience

Data Analytics Consultant

2022 - PRESENT
Freelance Clients
  • Drove the Tableau strategy for a company that develops integrations between various marketing data sources and reporting tools.
  • Built Tableau, Power BI, and Google Data Studio templates for customer-facing dashboards, integrating marketing data from various channels (Facebook Ads, Google Ads, LinkedIn Ads, Google Analytics, Google Search Console, and many others).
  • Created written and recorded documentation on how to connect Tableau to various data sources that are not already built-in with Tableau.
  • Built custom Power BI Desktop connectors, allowing users to bring data from Facebook Ads, Google Ads, Shopify, HubSpot, Salesforce, and many other data sources.
Technologies: Tableau, Google Data Studio, SQL, API Connectors, Business Intelligence (BI), Data Analytics, Web Analytics, Data Visualization, Reports, Data Engineering, User Experience (UX), ETL, Data Warehousing, Data Warehouse Design, Data Science, Microsoft SQL Server, Agile Software Development, Data Modeling, Windows, Big Data, Reporting, A/B Testing, Google Sheets, Databases, Client Management, Thought Leadership, Customer Analytics, Pitch Presentations, MySQL, PostgreSQL, Data Architecture, Big Data Architecture, Architecture, Web Marketing, Marketing Analytics, Facebook Ads, Google Ads, SQLite, Tableau Server, Tableau Desktop Pro, Interactive Charts, User Flows, Product Analytics, Database Design, Elevator Pitches, Technical Consulting, Data Analysis, Facebook API, Facebook Ads API, BI Reports, Google Analytics, Google Search Console, Salesforce, Analytics, Query Composition, Data Structures, SaaS, Data Cleansing, Data Profiling, Datasets, Excel 2016, User Interface (UI), Dashboards, Google BigQuery, BigQuery, Roadmaps, Data Strategy, Microsoft Power BI, Power Query M, Looker, DAX, Dashboard Design, APIs, Google Docs

Big Data and DevOps Community Manager

2019 - 2022
Cognizant Softvision
  • Grew the big data and DevOps practices from 50 to 170+ professionals. Acted as the direct manager for these professionals, handling finance, career growth, and project allocation.
  • Brought in over 20 new customers, pitched capabilities, and established the approach and team structure.
  • Defined and ran a fast-paced big data engineering conversion program, which helped in reskilling over 40 big data engineers with previous experience in traditional ETL development or software engineering.
  • Shifted the internal organization from gut-based to data-driven decisions while implementing a reporting solution from scratch in Google Data Studio, used by various layers across the business.
  • Created a customized, highly-granular, interactive career path used by professionals for auto-evaluating their skills and finding their strong points and areas to improve.
Technologies: Business Intelligence (BI), Big Data, Database Development, Reporting, Google Data Studio, Tableau, Reports, Data Engineering, SQL, ETL, Data Analytics, Data Warehouse Design, Data Visualization, Management, Leadership, Agile Software Development, Data Modeling, Windows, Web Analytics, Economics, Software Development, Google Sheets, Databases, Career Coaching, Client Management, Thought Leadership, Pitch Presentations, Public Speaking, Data Architecture, Big Data Architecture, Architecture, Google Apps Script, Tableau Server, Tableau Desktop Pro, Interactive Charts, Risk Management, Elevator Pitches, Technical Consulting, Data Analysis, BI Reports, Training, Analytics, Query Composition, Data Structures, Database Schema Design, Data Cleansing, Data Profiling, Datasets, Excel 2016, User Interface (UI), Dashboards, Roadmaps, Data Strategy, Dashboard Design, Google Docs

Business Intelligence Architect

2012 - 2019
Softvision
  • Pitched an end-to-end BI solution, obtained the budget, created a team, and led its implementation, including ETL, the data warehouse, and reporting (Tableau). This resulted in a 70% decrease in licensing costs for reporting.
  • Determined how the website and application response times affected the buying decision, allowing the performance engineering team to focus on what mattered, resulting in a 5% increase in conversion and an increase of $50 million in annual revenue.
  • Determined how the number of reviews and a product's overall rating influenced the buying decision. Translated the findings into UI/UX change suggestions.
  • Traveled for training purposes and to shift the clients' employees' perspective on how to use data more efficiently, translating to an increase in reports usage from 1% to over 50% of their employees.
  • Conducted 100+ interviews with various candidates, covering aspects of databases, data warehouses, and business intelligence.
  • Implemented Tableau from scratch for various companies and provided training for their employees.
Technologies: Business Intelligence (BI), SQL, Tableau, ETL, Data Warehousing, Data Warehouse Design, Leadership, Oracle Database, Performance Tuning, Data Modeling, Reports, Data Engineering, User Experience (UX), Data Analytics, Data Visualization, Data Science, Microsoft SQL Server, Agile Software Development, Windows, API Connectors, Web Analytics, Big Data, Database Development, Reporting, Hadoop, Apache Hive, Teradata, A/B Testing, Databases, Oracle Performance Tuning, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), Oracle Warehouse Builder (OWB), Career Coaching, Client Management, Thought Leadership, Oracle Business Intelligence Enterprise Edition 11g (OBIEE), Oracle Cloud, Customer Analytics, Pitch Presentations, Public Speaking, MySQL, Query Optimization, Partitioning, PostgreSQL, Data Architecture, Big Data Architecture, Architecture, Oracle 11g, Oracle SQL Data Modeler, Teradata SQL Assistant, SQL Server Analysis Services (SSAS), Web Marketing, Marketing Analytics, SQLite, Python, Tableau Server, Tableau Desktop Pro, Tabcmd, Interactive Charts, User Flows, Product Analytics, Oracle SQL Developer, Database Design, Risk Management, Elevator Pitches, Technical Consulting, SQL Performance, Oracle, Oracle 12c, Oracle SQL, Data Analysis, SSRS Reports, Facebook Ads API, Facebook API, BI Reports, Training, Analytics, Query Composition, Data Pipelines, Data Structures, Stored Procedure, SQL Stored Procedures, Data Lakes, Database Schema Design, SaaS, Data Cleansing, Data Profiling, Datasets, Excel 2016, User Interface (UI), Dashboards, Roadmaps, Data Strategy, Dashboard Design, APIs, Google Docs

Database Developer

2011 - 2012
Softvision
  • Developed the operational database for an application that centralized all POS data from franchisees.
  • Used various techniques, including indexing, partitioning, and archiving, to improve performance.
  • Came up with recommendations on how the application should read and write data in the Oracle database.
Technologies: SQL, Databases, Oracle Database, Microsoft SQL Server, PL/SQL, Performance Tuning, Oracle Performance Tuning, ETL, Data Analytics, Leadership, Agile Software Development, Data Modeling, Windows, Database Development, Software Development, MySQL, Query Optimization, Partitioning, Data Architecture, Oracle 11g, Oracle SQL Data Modeler, Oracle SQL Developer, Database Design, Elevator Pitches, SQL Performance, Oracle, Oracle 12c, Oracle SQL, Query Composition, Data Structures, Stored Procedure, SQL Stored Procedures, Database Schema Design, Data Cleansing, Datasets

Migration from Looker Studio to Tableau

Led a fully remote Toptal team across four continents to migrate dashboards from Google Data Studio to Tableau for a data analytics company. I prepared a migration plan, prioritized work based on the client's input, and successfully migrated over 40 dashboards within a short time frame. Also, I created a Tableau style guide and templates used by the entire team and documented the entire process.

BI Solution for a Private Jet Charter Organization

Architected and developed the end-to-end BI Solution in Tableau Cloud, covering flights, operators, clients, financial data, and payments, which helps the company make data-driven decisions.
Helped the client to choose the right tools & technologies.

Parasite Infections Tracking Dashboard

Collaborated closely with the client to build a dashboard that would serve as a POC of the analytics that can be done on top of their product. The dashboard was used during discussions with government officials and healthcare specialists.

I built a dashboard that allows seamless geographical drill-downs to pinpoint specific parasite infection outbursts across regions, provinces, municipalities, and neighborhoods. I also developed the underlying ETL in Tableau Prep for combining custom spatial files with infection data, overcoming the limitations of Tableau Cloud.

Migration from Sisense to Tableau for a Leading BNPL Provider

Migrated the entire solution for a leading BNPL provider. I worked closely with the client in order to fine-tune requirements and establish a timeline and scope.
Also, I created the required data sources in Snowflake, using dbt for ETL, and collaborated with the data engineering team to consolidate the existing data sources. Additionally, I created a template and established data visualization best practices, enabling consistency across all the dashboards. As part of this migration, I took the opportunity to redesign and elevate the quality of all our dashboards.

Tableau Dashboards for a Leading Cosmetics Brand

Created a series of dashboards covering international sales performance, product performance, holiday sales tracking, and many more. I used Tableau Prep for consolidating data from different sources. Further, I redesigned existing dashboards, following data visualization best practices.

Tableau Solution for Motorsport Industry Company

I architected and built a Tableau solution for an AI platform that helps gamers improve their simulator racing skills. I collaborated closely with the VP of Marketing and Operations to ensure the project's success.
Additionally, I built dashboards for monitoring the application usage, including metrics like active users, drivers, AI sessions, and retention.

Data Visualization Work for Windsor.ai

https://windsor.ai/tableau-templates/
I developed the Tableau strategy for Windsor.ai, a company that develops integrations for various marketing data sources. I worked with a CEO on defining and executing the strategy. I created dashboard templates in Tableau, Power BI, and Looker Studio for existing and potential customers. I also developed a custom connector for Power BI Desktop from scratch, using Power Query M language.

Data Analytics for Groupon (American Global eCommerce Marketplace)

Implemented Tableau reports across the business. I conducted discussions with various stakeholders, including C-level, on identifying ways of understanding customer behavior to increase conversion on the eCommerce platform. I helped define what kind of actions we can monitor, such as clicks, scrolls, page views, how fast a page loads, and how to translate those into relevant business metrics.

I worked on determining how the website and application response times affect the buying decision, which allowed the performance engineering team to focus on what mattered, resulting in a 5% increase in conversion and translating into an increase of $50 million in annual revenue.

I also determined how the number of reviews and a product's overall rating influence the buying decision, which translated findings into UI/UX change suggestions.

BI Solution for Cognizant Softvision

Shifted the internal organization from gut-based to data-driven decisions while implementing a BI solution from scratch in Google Data Studio and Google Sheets, used by various layers across the business.

Covered the following areas:

• People management.
• Hiring funnel.
• Attrition analysis.
• Project staffing.
• Marketing performance.

BI Solution for Snap-on | American Manufacturer of Tools and Equipment

Pitched a new data ecosystem to C-level executives to shift their approach toward data-driven decisions. I obtained the budget, created a team, and led the implementation of the end-to-end solution, including ETL, data warehouse (Oracle), and reporting (Tableau).

The implementation resulted in a 70% decrease in their licensing cost for reporting while switching from MicroStrategy to Tableau, with no additional costs on the back end.

Also, I traveled on-site for training and shifting their employees' perspective on how to use data more efficiently, translating to an increase in reports usage from 1% to over 50% of their employees.

BI Solution for eCommerce Website | Confidential Client

Led the development of an end-to-end BI solution for a US and South American eCommerce website. I designed a data warehouse and integrated various data sources, including marketing data (Facebook Ads and Google Ads), data from operational databases, and flat files. Also, I created various reports and conducted data analysis on top of that data.

Tableau Dashboards and Training for Pharmaceutical Company | Confidential Client

Drove a Tableau strategy for a pharmaceutical company. I built dashboards covering various departments, worked with the IT department to deploy the Tableau Server, and held training for data analysts on Tableau Desktop and Tableau Server.

BI Solution for Telecom Company | Confidential Client

Architected and led the implementation of an end-to-end BI solution for a German telecom company. I designed and developed a data warehouse and data marts in Oracle Autonomous Data Warehouse. ETL was created entirely using custom PL/SQL procedures and reporting in Tableau Desktop and Tableau Server. I worked in an Agile manner with the first data mart deployed in eight sprints (two months).

Google Data Studio Report Templates for Marketing Analytics | Confidential Client

Collaborated with a Canadian marketing analytics company on creating a series of Google Data Studio templates for their B2B customers. I made the underlying Google Sheets structure and corresponding data sources in Google Data Studio. Also, I developed various templates covering marketing performance for their clients' products.
2017 - 2020

Bachelor's Degree in Economic Informatics

Babeș-Bolyai University - Cluj-Napoca, Romania

2008 - 2012

Bachelor's Degree in Computer Science

Technical University of Cluj-Napoca - Cluj-Napoca, Romania

SEPTEMBER 2013 - PRESENT

Tableau Certified Associate

Tableau

Libraries/APIs

Facebook Ads API, Facebook API

Tools

Tableau, Oracle Business Intelligence Enterprise Edition 11g (OBIEE), Oracle SQL Data Modeler, Tableau Desktop Pro, Google Docs, Google Sheets, Oracle Warehouse Builder (OWB), Teradata SQL Assistant, Tabcmd, Google Analytics, Excel 2016, BigQuery, Microsoft Power BI, Looker, GIS, Web GIS

Languages

SQL, Stored Procedure, Google Apps Script, Python, Snowflake, Power Query M

Platforms

Oracle Database, Windows, Oracle, Salesforce

Paradigms

ETL, Business Intelligence (BI), Agile Software Development, Database Development, Database Design, Management, Data Science, User Behavioral Analytics (UBA)

Storage

Databases, PL/SQL, Oracle Cloud, Oracle 11g, Oracle SQL Developer, SQL Performance, Oracle 12c, Oracle SQL, Data Pipelines, SQL Stored Procedures, Data Lakes, Teradata, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), MySQL, PostgreSQL, SQL Server Analysis Services (SSAS), SQLite, Microsoft SQL Server, Apache Hive

Frameworks

Hadoop

Other

Data Analytics, Google Data Studio, Data Warehousing, Data Warehouse Design, Data Visualization, Performance Tuning, Web Analytics, Big Data, Reporting, Reports, Oracle Performance Tuning, Data Engineering, Career Coaching, Client Management, Thought Leadership, Customer Analytics, Pitch Presentations, Public Speaking, Query Optimization, Partitioning, Data Architecture, Big Data Architecture, Architecture, Interactive Charts, User Flows, Product Analytics, Elevator Pitches, Technical Consulting, Data Analysis, BI Reports, Analytics, Query Composition, Data Structures, Database Schema Design, Data Cleansing, Data Profiling, Datasets, User Interface (UI), Dashboards, Roadmaps, Data Strategy, Dashboard Design, Leadership, Data Modeling, Economics, Software Development, User Experience (UX), Web Marketing, Marketing Analytics, Tableau Server, Risk Management, Training, SaaS, Google BigQuery, Migration, Team Leadership, APIs, API Connectors, A/B Testing, Facebook Ads, Google Ads, SSRS Reports, Google Search Console, DAX, Geographic Information Systems, Maps, Data Wrangling, Data Munging, Data Build Tool (dbt)

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