Cristina Huruba
Verified Expert in Engineering
Data Warehousing Developer
Cluj-Napoca, Cluj County, Romania
Toptal member since July 7, 2022
Cristina is a competitive and ambitious data enthusiast having over 11 years of experience with databases and business intelligence solutions. Her first seven years were spent in the Microsoft stack of tools, and then she moved to open source PostgreSQL. Cristina is always prepared for a new challenge where she can exercise and improve her skills in a professional environment.
Portfolio
Experience
- SQL - 11 years
- Databases - 11 years
- Data Warehousing - 10 years
- SQL Stored Procedures - 10 years
- ETL - 7 years
- SQL Performance - 5 years
- Snowflake - 3 years
- Data Build Tool (dbt) - 2 years
Availability
Preferred Environment
SQL, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), Tableau, Sisense, Data Build Tool (dbt), Snowflake, Data Warehousing, PostgreSQL, Business Intelligence (BI)
The most amazing...
...thing I've developed is a complete analytics solution, taking data from over 30 sources and exposing it to the client in an easy-to-read manner using Tableau.
Work Experience
Senior Database/Data Warehouse Engineer
Crafting Software
- Improved the performance of the overall application queries by 70%.
- Transitioned to a full analytics solution written in SQL and JavaScript to Snowflake using Fivetran and a data build tool. Reduced costs by 50%.
- Planned and executed a data migration for two clients that merged into one.
- Engaged in team leading and project management activities by planning and organizing the team.
- Performed light database administration and tasks for CI/CD pipelines.
- Designed and developed ElastiCubes, reports, and dashboards in Sisense.
- Designed and implemented snowflake schema to be used by Sisense ElastiCubes.
Senior Database Engineer
Softvision
- Involved in database development and performance improvement operations for the overall application.
- Performed auditing operations on the database side. Proposed and implemented more performant and efficient solutions for existing features.
- Worked closely with the development team in implementing new features.
Senior Business Intelligence Developer
ISDC - A Member of the Endava Group
- Developed and maintained complete business intelligence (BI) solutions. Started from the source database and finished with creating reports for the customers.
- Created and maintained the whole process of loading data into cubes, error handling, and mail sending.
- Used data vaults to build and improve a reliable solution that serves as an input for an anti-fraud detection program.
- Did performance tuning for inefficient queries using ETL. Optimized database performance.
- Helped with database development, continuous monitoring of newly added database objects, data warehouse design and development, data cleanup and repair, and reporting and maintenance.
- Mentored two generations of database/data warehouse interns during a three-month summer internship organized by the company.
- Managed a team with four developers and two testers. Tracked their progress and performance.
- Created and maintained reporting solutions in SSRS, Power BI, and Qlik Sense.
SQL Developer
OSF Digital
- Implemented data warehouses using Kimball methodology.
- Worked with large volumes of data. Developed reports using Excel and SSRS for higher management.
- Created different stored procedures for automating mail sent from the web application and SQL agent jobs using database mail.
- Monitored, maintained, and administered acceptance and production databases for backup and recovery plans. Led performance monitoring and disaster recovery done through log shipping and mirroring.
Experience
Reva Technology
Blackline
https://www.blackline.com/NCOI Opleidingen
https://www.ncoi.nl/Database Project
Education
Master's Degree in Databases
Babes Bolyai University - Cluj-Napoca, Romania
Bachelor's Degree in Computer Science
Babes Bolyai University - Cluj-Napoca, Romania
Certifications
70-461: Querying Microsoft SQL Server 2012
Microsoft
70-451: PRO - Designing Database Solutions and Data Access Using SQL Server 2008
Microsoft
70-433: TS - Microsoft SQL Server 2008, Database Development
Microsoft
Skills
Tools
Tableau, Jira, Excel 2010, GitHub, Sisense, Git, SQL Server Profiler, Microsoft Power BI, Qlik Sense
Languages
SQL, Snowflake, Stored Procedure
Paradigms
Business Intelligence (BI), Database Design, ETL
Storage
Data Definition Languages (DDL), SQL Stored Procedures, Data Pipelines, Microsoft SQL Server, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), PostgreSQL, SQL Server 2012, SQL Performance, SQL Server Management Studio (SSMS), SQL Server 2008, Databases, SQL Server Agent, SQL Server 2008 R2, SQL Server 2016, DBeaver
Platforms
MacOS
Other
Data, Data Engineering, Data Modeling, Data Analytics, Analytics, Data Visualization, Data Analysis, Data Loading, Query Optimization, Data Warehousing, Optimization, Data Vaults, Team Leadership, Data Warehouse Design, Reporting, BI Reporting, Dashboards, Data Build Tool (dbt), Amazon RDS, Concurrency, Multidimensional Expressions (MDX), Mentorship & Coaching, Fivetran, DAX, Data Marts, ETL Tools
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