Mihnea is available for hire
Hire MihneaMihnea Dinu
Verified Expert in Engineering
Data Modeling Developer
Bucharest, Romania
Toptal member since September 29, 2020
Bio
Mihnea has seven years of technical expertise implementing business intelligence solutions using SQL, Python for data analysis and curation, and DAX and Microsoft PowerBI for reporting. His colleagues describe him as a results-oriented, innovative thinker and open communicator. Mihnea looks forward to working in teams creating digital products that aim to improve the health, education, or money management aspects of life.
Portfolio
Commonwealth Financial Network - Main
Microsoft Power BI, DAX, Power Query M
Inspari A/S
SQL, Microsoft Power BI
ING Tech
SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS)...
Experience
- Data Modeling - 5 years
- SQL - 5 years
- IT Consulting - 3 years
- DAX - 2 years
- Microsoft Power Platform - 1 year
- Microsoft Power BI - 1 year
- IT Project Management - 1 year
- Team Management - 1 year
Availability
Part-time
Preferred Environment
Windows
The most amazing...
...thing I've done was reporting the lifecycle of logged tickets to identify bottlenecks in the business working process.
Work Experience
Power BI Developer
2021 - PRESENT
Commonwealth Financial Network - Main
- Created a data model for the reports and implemented dashboards as part of a team in the wealth management industry.
- Reported the lifecycle of logged tickets to identify bottlenecks in the working process. I validated data quality and logic in the source system, designed and implemented a data model for reporting, and the UI design of the reports.
- Maintained communication with business users to ensure report pages served the expected purpose.
Technologies: Microsoft Power BI, DAX, Power Query M
Business Intelligence Consultant
2019 - 2021
Inspari A/S
- Worked as a business intelligence consultant in different lifecycles of the projects, such as gathering requirements, implementing data models and reporting solutions, quality assurance, and maintaining the quality of deliverables.
- Projected the amount of money lost for a retail company for all goods during transit or delay in arrival. Gathered information from the customer about the desired solution, planned the deliverables and implementation, and did quality assurance.
- Migrated multidimensional cubes to tabular models for the insurance industry with reporting requirements for budgets. I migrated OLAP data models to tabular data models.
- Designed the database architecture and implemented a data warehouse for reporting national sports activities. Created a file management solution to centralize all information in the database model. Added business logic to meet reporting requirements.
- Created reporting solutions based on Power BI premium licenses. I developed the source queries for extracting data from the SQL data warehouse and Azure Databricks, the tabular model, and the report. Technology stack: Power BI.
- Involved in the front-end and UX development in Power BI: gathered reporting requirements from the product owner and adjusted the report interface to make it user-friendly.
Technologies: SQL, Microsoft Power BI
Business Intelligence Developer
2017 - 2019
ING Tech
- Provided DevOps maintenance for regulatory reporting, tracking file management, and loading.
- Implemented a file-based reporting workflow based on finance data sources: Bloomberg, Sophis, and Summit.
- Integrated all data sources in tabular and multidimensional cubes.
Technologies: SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS), SSAS Tabular
Business Intelligence Developer
2015 - 2017
Bearing Point
- Developed an HR solution to track the performance of consultants.
- Created sales pipeline reporting to show projects with the most promising leads.
- Designed balance sheet and profit/loss reporting for every quarter for top management.
Technologies: SQL
Experience
Reporting Sport Statistics
Designed the database architecture and implemented the data warehouse to report national sports activities statistics. Connects to on-premise, Azure databases, and flat-file sources. Loads all necessary data using Azure Data Factory. Centralized all information in a high-quality database model. Added business logic to meet reporting requirements by delivering data views to the front-end Tableau tool.
Projection of Money Lost for Goods in Transit
The use case was to project the amount of money lost for a retail company for all goods during transit or delay in arrival time. Integrated multiple ERP sources to report the inventory stock. I gathered information from the customer about the desired solution to better understand the problem, planned the deliverables, implemented the solution, and continuously maintained communication with the customer to receive feedback.
Education
2015 - 2015
Exchange Program Participant in Environmental Sciences
University of New South Wales - Sydney, Australia
2012 - 2015
Master's Degree in Environmental Sciences
Technical University of Hamburg - Hamburg, Germany
Certifications
JANUARY 2021 - JANUARY 2024
Power BI Data Analyst Associate
Microsoft
AUGUST 2020 - PRESENT
HelloAIRIS - Artificial Intelligence Online Training
EIT Health
Skills
Tools
Microsoft Power BI
Paradigms
Database Design
Languages
SQL, Python, Power Query M
Platforms
Microsoft Power Platform
Other
Data Modeling, IT Project Management, IT Consulting, DAX, Team Management, Conflict Resolution
Collaboration That Works
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