Roxana Ibanez
Verified Expert in Engineering
Data Engineer and Developer
Winnipeg, MB, Canada
Toptal member since June 24, 2020
Roxana has more than 10 years of experience advising and assisting companies and clients in data warehousing, business intelligence, data governance, and digital transformation. She understands the benefits of good communication and clean code and how a well-projected architecture helps productivity and maintainability in the long term. Roxana's extensive experience in the data domain has been proven to help leverage applied analytics to manage complex problems.
Portfolio
Experience
- SQL - 10 years
- ETL - 10 years
- Data Modeling - 9 years
- Business Intelligence (BI) - 9 years
- Python - 5 years
- Data Architecture - 3 years
- Data Governance - 2 years
- Scrum Master - 2 years
Availability
Preferred Environment
Scrum, Databases, Python, Data Governance, Data Management, Master Data Management (MDM), Business Intelligence (BI), Analytics
The most amazing...
...thing I've developed was for a bank's data warehouse which handled warnings and errors on the input data which resulted in a 30% reduction of incidents.
Work Experience
Business Intelligence Analyst
Eileen Fisher, Inc.
- Designed and developed an employee survey using SurveyMonkey.
- Compared current survey results with past editions through Tableau visualizations.
- Performed sentiment analysis on text comments and word clouds, filtering by community and role to dive deep into feedback.
Data Management Specialist
FGI Ltd
- Surveyed the organization to understand their processes and pain points and determine the maturity level. Executed lunch-and-learns to promote continuous learning and provide a friendly environment to showcase new tools and expand their usability.
- Developed a transport-and-logistics rates tool and invoice auditing tool to analyze different carriers that obtained credit notes. The business estimates a $100,000 recovery in a year. The tools used are PostgreSQL, Python, and Power BI.
- Designed several initiatives to take steps towards data governance with agile teams to gather definitions, cleanse data, and improve quality while defining policies that will keep information trustworthy.
- Developed a data model (clients, sales, and orders) for an enterprise data warehouse; it ingested two years of information to start creating corporate KPIs.
- Created a Tableau dashboard that overlays information from Salesforce, Statistics Canada, and LinkedIn talent insights to understand where talent recruitment missions could occur.
- Designed and coordinated the development of a social media dashboard combining Google Analytics, Sprout Social, Pardot Tags, and partnership sales to understand audiences and improve the organization's content.
Data Manager
Banco Supervielle
- Led the design and deployment of the data governance plan which included hosting the steward council and forming an agile team to address changes along the organization to live by the business definition.
- Implemented scrum as a work methodology in the data warehouse.
- Generated training spaces on Python programming and Power BI and participated as a trainer of Python for beginners.
- Oversaw the expansion and usage of the API design to be the MDM (master data management) solution of customer data.
Data Architect
Banco Supervielle
- Managed the data assessment process within the company which included coordinating the RFP for the process and establishing the strategy for the data ecosystem within the company.
- Coordinated a data warehouse/database migration team and published updates to users; also kicked off the data warehouse data reengineering process.
- Participated in RFP for a campaign manager tool implementation by designing a data model for campaigns on the data warehouse.
Data Analytics and Reporting
Elementum SCM
- Designed and developed a transport data mart with Python by extracting data from Elasticsearch, MongoDB, and SQL Server, which provided insight for Carrier Managements and data quality improvement points.
- Refactored the application usage dashboard in Tableau, making it more user-friendly and efficient; also documented the information linage, gaining data transparency and trust.
- Gathered requirements from business areas and developed the processes in Python, Elasticsearch, MongoDB, SQL Server, and Tableau.
- Interacted with different areas within the organization to implement required data solutions.
- Mentored and trained new talents and business team members in the areas of data analytics and reporting in Python, SQL, and Tableau.
Associate
AlixPartners
- Worked on an analytics solution POC for an Asian retail company with Tableau, Netezza, and SQL Server.
- Enhanced analytical capabilities of a US healthcare company to detect fraud. This also involved a massive data migration from SQL Server using Abinitio to Hadoop with an agile team.
- Participated in the REOI and RFP process of a power company in the US and implemented a POC for fraud.
- Developed a lead management dashboard for private equity using Python and Tableau.
- Worked as scrum master in an implementation—removing blockers and helping teams achieve their goals.
Professional Services Consultant
Teradata
- Led the design and development of a process to control data quality on the input data to the data warehouse that decreased 30% incidents.
- Developed ETL process and design data models in the corporative data warehouse.
- Coordinated the team and software factory tasks.
- Gathered and documented business requirements, interact with outside data providers to incorporate new information into the enterprise data warehouse.
Data Warehouse and Business Intelligence Analyst
Claro (Telecommunications Company)
- Contributed to the implementation of an Informatica PowerCenter ETL tool.
- Automated the monthly accounting closing processes.
- Generated several data marts and optimized their ETL process.
Experience
Supervielle Bank
Tasks Accomplished:
• Implemented data governance.
• Established the road map for the data governance initiative.
• Kicked off the steward council and client definition.
• Implemented Campaign Manager.
• Performed the scrum master tasks.
• Implemented Jira for data projects.
• Migrated a data warehouse database from SQL Server 2008 to 2017.
• Coordinated and hosted Python training for beginners.
• Implemented Power BI for beginners' training coordination.
• Used RFP for a strategic data assessment project.
• Assessed data and composed scripts over business databases and data warehouse database to profile data.
• Established the baseline for the data governance and data strategy plan.
Data Governance Plan
I was the data management specialist, and based on their mission and goals, I assess their maturity and propose a detailed plan on how to implement data governance while working towards those goals.
I design the party data model, incorporated data from their systems for the data warehouse POC, and automated the invoice auditing for suppliers. This resulted in up to 54% of them obtaining credit notes that improved supplier management.
Transport and Logistics Auditing Tool
Data Architect - Data Governance
Education
Specialization in Data Science (Computer Science)
ITBA | Instituto Tecnológico de Buenos Aires - Buenos Aires, Argentina
Certificate of Completion in Machine Learning for Big Data and Text Processing (Computer Science)
MIT | Massachusetts Institute of Technology - Online
Master's Degree in Strategic Management and Technology (Computer Science)
ITBA | Instituto Tecnológico de Buenos Aires (EOI) - Buenos Aires, Argentina
Postgraduate Degree in Business Intelligence (Information Technology)
UTN | Universidad Tecnológica Nacional - Buenos Aires, Argentina
Bachelor's Degree in Business Administration and Management
UBA | Universidad de Buenos Aires - Buenos Aires, Argentina
Certifications
IELTS General Training
IELTS
Teradata 12 Certified Professional
Teradata
Skills
Tools
Tableau, Informatica PowerCenter, Microsoft Power BI, Microsoft Excel, Abinitio, Git, Talend ETL, Ab Initio, AWS CLI, Salesforce Sales Cloud, SurveyMonkey
Paradigms
ETL, Business Intelligence (BI), Requirements Analysis, Agile, Scrum, Change Management
Storage
Relational Databases, Teradata Databases, Data Integration, Elasticsearch, MongoDB, Databases, Microsoft SQL Server, Netezza, Teradata, Master Data Management (MDM), PostgreSQL, MySQL
Languages
Python, SQL, Python 3, SAS
Frameworks
Hadoop
Platforms
Oracle, Amazon Web Services (AWS), Salesforce
Industry Expertise
Healthcare
Other
Data Analysis, Data Management, Data Visualization, Data, Key Performance Indicators (KPIs), Data Warehousing, Dashboard Development, Data Analytics, Business Requirements, Reporting, Data Modeling, Data Governance, Data Architecture, Analytics, ETL Development, Dashboards, Data Engineering, Data Warehouse Design, Data Build Tool (dbt), Looker Studio, ELT, Scrum Master, MicroStrategy, SAP BusinessObjects (BO), Data Science, Cloud, Surveys, SOP Development, Relational Database Services (RDS)
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