Bunget Alexandru Catalin
Verified Expert in Engineering
Business Intelligence Developer
Alexandru excels in adaptability and in the ability to connect the dots. He is passionate about data, big data, performance tuning, automation of processes, and programming challenges overall, embracing concepts such as problem prediction and solving, teamwork, and clear communication. With over six years of experience as a software developer, Alexandru's main strengths are back-end and database development, data engineering, and building business intelligence solutions.
Portfolio
Experience
Availability
Preferred Environment
Visual Studio, Business Intelligence (BI), SQL Server Data Tools (SSDT), C#, Microsoft SQL Server, Microsoft Power BI
The most amazing...
...project I've built is an Android app in Java and Android Studio to simulate graph algorithms with visualizations to understand how algorithms work.
Work Experience
Senior Data Engineer
Freelance
- Helped the client, an insurance company, develop a DWH to combine data from the two systems for continuous reporting purposes. They originally had two core systems in place, such as Oracle databases.
- Built the Data Warehouse with SCD2 design in Azure Synapse Analytics and then migrated to Azure SQL database, combining data from two core systems with different structures and logic. Analyze and define requirements.
- Developed ETL processes with ADF to gather data from Oracle databases to Azure Data Lake Storage Gen2 Parquet files and load the DWH daily.
Senior Business Intelligence DevOps
ING HUBS Romania
- Developed CI/CD pipelines in Azure DevOps to support building and deploying business intelligence applications built with Microsoft on Prem stack (SQL Server Data Tools: SSAS, SSRS, SSIS, SQL Server 2019 ).
- Automated deployment of SQL Server database, SSIS, SSAS, SSRS projects, custom SQL pre/post deployment scripts, and XMLA files through PowerShell scripts.
- Worked on the automation through PowerShell scripts tasks such as configuring SQL proxies, mail alerting, and changing nonpersonal accounts passwords through Active Directory.
Software Engineer
Google Cloud
- Worked as part of the GCP networking team as a back-end developer, developing APIs for load balancer products in GCP.
- Familiarized with and worked with Google Cloud Platform product offerings.
- Worked on a feature that enhanced feedback received through CLI for users when creating HTTP(S) L7 load balancer resources.
- Developed a URL map tests feature and provided E2E feedback to customers on wrong configurations of global external HTTP(S) L7 load balancer products. Used URL maps, load balancing, and Google Cloud.
SSIS and SSRS Expert for Server Reporting Setup
Weekends Only ()
- Developed an SSIS job to move files from one SFTP server to another and parse JSON files.
- Configured SMTP in SQL Server and enabled mail alerts for SSIS job failures.
- Implemented logging and exception handling in the SSIS package.
Business Intelligence Developer
ING HUBS Romania
- Developed and maintained end-to-end reporting solutions, starting from raw data to complex dashboards for projects such as customer experience, transaction services, transaction screening, know your customer, product management, and data analytics.
- Designed and developed performant ETL/ELT processes, complex data warehouses ranging from GBs to TBs of data, analysis services models, and user-friendly and efficient data display SSRS and Power BI reports.
- Worked with database design principles and patterns such as star schema, snowflake schema, constellation schema, and data vault.
- Created and implemented index strategies and database partitioning mechanisms to improve the performance of our databases.
- Configured automated database logging, monitoring, testing tools and CI/CD pipelines in Azure DevOps.
Experience
Cryptocurrency Bot
I developed the back end of the application, working closely with another front-end developer to expose the relevant API endpoints for the UI.
Competitive Programming Experience
Graph Simulator App
I developed both the UI and the back end of the application.
Mu Online Server
Education
Bachelor's Degree in Computer Science
University of Bucharest - Bucharest, Romania
Certifications
Microsoft Certified: Azure Data Engineer Associate
Microsoft
Data Engineering, Big Data, and Machine Learning on GCP
Coursera
Networking in Google Cloud
Coursera
Microsoft Certified Solutions Associate: SQL Server 2012/2014
Microsoft
Skills
Languages
SQL, T-SQL (Transact-SQL), C#, MDX, C++, Python, Bash, XML, Java, PHP, HTML, CSS, Pascal
Tools
Visual Studio, Git, Microsoft Power BI, Microsoft Excel, BigQuery, Logging, Google Compute Engine (GCE), Android Studio, Microsoft Access, Envoy Proxy, Cloud Dataflow, WinSCP, Terraform, Google Stackdriver
Paradigms
Business Intelligence (BI), Agile Software Development, ETL, Unit Testing, Azure DevOps, Automation, Code First
Storage
SQL Server Data Tools (SSDT), Microsoft SQL Server, SQL Server 2016, SQL Server 2012, SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS), SQL Server Reporting Services (SSRS), Database Performance, SQL Server 2008 R2, JSON, Azure Active Directory, Azure SQL, Google Cloud Spanner, Azure SQL Databases
Other
Algorithms, Data Structures, ServiceNow, Data Warehousing, Data Warehouse Design, Data Modeling, ELT, DAX, Data Engineering, Google BigQuery, Monitoring, Identity & Access Management (IAM), Deployment, Private Clouds, Azure Data Factory, Parquet, Cloud Storage, Load Balancers, Networking, Google Data Studio, HTTPS, HTTP, Azure Virtual Machines, Azure Databricks
Frameworks
Windows PowerShell, gRPC, Entity Framework Core, .NET Core, .NET, Swagger
Libraries/APIs
Protobuf, REST APIs
Platforms
Azure, Visual Studio Code (VS Code), Google Cloud Platform (GCP), Azure Synapse, Docker, Linux, XAMPP, Azure SQL Data Warehouse, Dedicated SQL Pool (formerly SQL DW)
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