Cristina is available for hire

Cristina Huruba

Verified Expert in Engineering

Data Warehousing Developer

Location

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.

Data Engineering Data Modeling Data Analysis Analytics Data Analytics Data Visualization SQL Data Definition Languages (DDL)SQL Stored Procedures Business Intelligence (BI)Data Pipelines Microsoft SQL Server Snowflake Data Warehousing Data Warehouse Design Sisense DBT (Data Build Tool)

Portfolio

Crafting Software

PostgreSQL, Sisense, Data Build Tool (dbt), Snowflake, Git, Jira, Amazon RDS...

Softvision

SQL, SQL Server 2016, SQL Server Profiler, SQL Stored Procedures, Git, Jira...

ISDC - A Member of the Endava Group

SQL, SQL Server Reporting Services (SSRS)...

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

Part-time

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

2018 - PRESENT

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.

Technologies: PostgreSQL, Sisense, Data Build Tool (dbt), Snowflake, Git, Jira, Amazon RDS, Databases, Data Warehousing, ETL, ETL Tools, Database Design, Data Engineering, SQL Stored Procedures, MacOS, SQL, Optimization, Data, SQL Performance, Mentorship & Coaching, Team Leadership, Fivetran, Data Modeling, Business Intelligence (BI), Data Pipelines, Data Analytics, GitHub, Data Visualization, Analytics, DBeaver, Data Analysis, Data Loading, Data Warehouse Design, Query Optimization, Reporting, BI Reporting, Dashboards

Senior Database Engineer

2016 - 2018

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.

Technologies: SQL, SQL Server 2016, SQL Server Profiler, SQL Stored Procedures, Git, Jira, SQL Server 2012, Optimization, Data, SQL Performance, Databases, SQL Server Agent, Data Engineering, Data Modeling, GitHub, SQL Server Management Studio (SSMS), Data Analysis, Query Optimization, Microsoft SQL Server

Senior Business Intelligence Developer

2012 - 2016

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.

Technologies: SQL, SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), Data Warehousing, Data Vaults, Multidimensional Expressions (MDX), Tableau, Microsoft Power BI, Qlik Sense, ETL, Mentorship & Coaching, Team Leadership, SQL Stored Procedures, SQL Performance, Jira, SQL Server 2012, Optimization, Data, Databases, SQL Server Agent, Data Engineering, Data Modeling, Business Intelligence (BI), Data Pipelines, Data Analytics, Data Visualization, ETL Tools, Analytics, SQL Server Management Studio (SSMS), Data Analysis, Data Loading, Data Warehouse Design, Query Optimization, Reporting, BI Reporting, Dashboards, Microsoft SQL Server

SQL Developer

2010 - 2012

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.

Technologies: SQL Server 2008, SQL Server Reporting Services (SSRS), Excel 2010, Databases, Data Warehousing, SQL Server Agent, SQL, Data, SQL Stored Procedures, ETL, Business Intelligence (BI), Data Pipelines, Data Analytics, Data Visualization, ETL Tools, Analytics, SQL Server Management Studio (SSMS), Data Analysis, Data Warehouse Design, Reporting, BI Reporting, Dashboards, Microsoft SQL Server

Experience

Reva Technology

Developed an enterprise product suite for the real estate industry. I created the product for browser and mobile platforms. The project featured a leasing pipeline, a communication module, dynamic websites, a mobile app and a reporting solution. I was involved in maintaining the databases, optimizing the performance, data migration, and analytics solution

Blackline

https://www.blackline.com/

Blackline is a leading provider of cloud software that automates and controls critical accounting processes by unifying their data and processes, automating repetitive work, and driving accountability through visibility. My main focus here was to improve the performance of the application by auditing the existing features and proposing better solutions.

NCOI Opleidingen

https://www.ncoi.nl/

Created an application providing more than 1,250 training and education courses making the working Netherlands strong and keeping it strong. Twenty thousand workers here annually obtain an MBO, HBO, or Master's degree. NCOI can rightly call itself the largest educator in the Netherlands. I worked in creating and maintaining a pipeline and a reporting solution using ETL on top of data marts designed in the analytics services.

Database Project

Created and maintained databases, pipelines using ETL, and reporting solutions for higher management. I learned and utilized data vaults. The databases were used to match individuals with clients that needed their services.

Skills

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

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

Tools

Tableau, Jira, Excel 2010, GitHub, Sisense, Git, SQL Server Profiler, Microsoft Power BI, Qlik Sense

Platforms

MacOS

Education

2010 - 2012

Master's Degree in Databases

Babes Bolyai University - Cluj-Napoca, Romania

2007 - 2010

Bachelor's Degree in Computer Science

Babes Bolyai University - Cluj-Napoca, Romania

Certifications

OCTOBER 2013 - PRESENT

70-461: Querying Microsoft SQL Server 2012

Microsoft

OCTOBER 2011 - PRESENT

70-451: PRO - Designing Database Solutions and Data Access Using SQL Server 2008

Microsoft

MAY 2011 - PRESENT

70-433: TS - Microsoft SQL Server 2008, Database Development

Microsoft

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