Mihai Anghel - Senior ETL Developer

Q: Where is Mihai based?

Mihai is based in Măgurele, Romania and can operate in on-site , hybrid , and remote work models.

Q: What languages does Mihai speak?

Mihai speaks the following languages: Romanian (Native), English (Advanced) .

Q: How many years of experience does Mihai have?

Mihai has at least 17 years of experience. During this time, Mihai has worked in at least 10 different roles and for 10 different companies . The average length of individual experience is 2 years and 6 months . Note that Mihai may not have shared all experience and actually has more experience.

Q: What is Mihai's latest experience?

Mihai's most recent position is Senior ETL Developer | Team Lead at Unicredit Bank Austria .

Q: What companies has Mihai worked for in recent years?

In recent years, Mihai has worked for Unicredit Bank Austria and Deutsche Bank .

Q: Which industries is Mihai most experienced in?

Mihai is most experienced in industries like Banking and Finance , Media, Entertainment and Publishing , and Telecommunication . Mihai also has some experience in Information Technology (IT) .

Q: Which business areas is Mihai most experienced in?

Mihai is most experienced in business areas like Information Technology (IT) , Business Intelligence , and Quality Assurance (QA) . Mihai also has some experience in Project Management and Accounting .

Q: Which industries has Mihai worked in recently?

Mihai has recently worked in industries like Banking and Finance .

Q: Which business areas has Mihai worked in recently?

Mihai has recently worked in business areas like Business Intelligence and Information Technology (IT) .

Recommended expert

Măgurele, Romania

Experience

Mar 2022 - Present

4 years

Vienna, Austria

Senior ETL Developer | Team Lead

Unicredit Bank Austria

Handling and managing data warehousing system with emphasis on business requirements analysis, application design, development, coding, testing, implementation and maintenance of client/server data warehouse and data mart systems
Developed complex Teradata SQL code in BTEQ script using OLAP and aggregate functions, analytical functions and recursive CTEs
Extensive knowledge with Teradata SQL Assistant and Teradata Viewpoint
Building recursive and iterative algorithms using Teradata stored procedures and Python
Unix for file handling on server side
Host On Demand for scheduling and running processes
Datastage used as wrapper for scripts triggering
ALM QC, SVN and GIT
Basic skills in cloud computing: ADF (Azure Data Factory), ADLS, Python, Databricks (SparkSQL and PySpark), Azure Synapse Analytics

Nov 2020 - Dec 2023

3 years 2 months

Bucharest, Romania

Data Warehouse Engineer

Deutsche Bank

Design, develop, test and support new capabilities and ongoing changes within various application data marts using Informatica PowerCenter and Oracle SQL & PL/SQL (packages and procedures)
Design and develop workflows, worklets, mappings, mapplets, sessions, tasks and transformations
Use Jira, SVN, ALM QC, GitHub and TeamCity/Jenkins
Unix and Unix Shell scripting
Perform and implement tuning processes
Use ControlM for simplifying application and data workflow orchestration on premises or as a service
Agile and Scrum methodology
Cognos for business reporting
Extract data from Oracle, DB2, CSV, flat files and JSON
TOAD and SQL Developer
Assisted in the design and development of SCD type 1 and type 2 mappings improving the efficiency of ETL jobs

Oct 2019 - Nov 2020

1 year 2 months

Bucharest, Romania

Senior ETL Developer

Raiffeisen Bank

Work closely with the business and IT application owners to understand, document and design ETL processes and needs
Participate in defining, developing and implementing data warehouse and data mart databases and their content
Develop and maintain mapping logic to move data content from varied source systems to the data warehouse and data marts
ETL and data conversion design and implementation for other data integration scenarios
Design, develop, test, optimize and deploy ODI packages and Oracle stored procedures to perform all ETL related functions
Plan and coordinate ETL and database roll-outs with project team members, development and database engineers
Provide support, maintenance and issue investigation and resolution for ETL processes
Design and implement BI technical and operational architecture and frameworks
End-user report development, from requirement gathering to design, build, test and deploy

Apr 2018 - Aug 2018

5 months

Vienna, Austria

Senior ETL Developer

Erste Bank

Contribute to the design and development of an overall data exchange solution, including review of existing processes to confirm technical feasibility of ODI integration
Ensure standards and best practices for all current and new frameworks are followed
Create technical documentation and build instructions for onsite and offsite global teams
Assist with code reviews, deployment and validation of the technical solution
Develop and maintain SQL and PL/SQL code as needed for Oracle database
Maintain, monitor and support ETL/ELT integrations using ODI
Work with PowerDesigner and create Groovy scripts
Data Vault methodology: Hub, Links, Satellite, Event, History (SCD, Snapshot, Bitemporal)

Nov 2016 - Apr 2018

1 year 6 months

Bucharest, Romania

Senior DWH/BI Developer

Unicredit Business Integrated Solutions

Performance tuning of sources, targets, mappings and SQL queries in transformations
Created BTEQ scripts to extract data from warehouse for downstream applications
Develop ETL programs with an enterprise-grade tool (Datastage)
Contribute substantially to the DataWarehouse ETL development lifecycle, including developing and testing ETL programs
Hands-on database development with SQL and stored procedures, such as Teradata procedures
Develop data transformations involving SQL, data-type conversions, joins, filters, translations, aggregation, de-/normalization and custom database stored procedures
Work with Teradata Services, Teradata SQL Developer and Teradata Viewpoint
Involvement in database optimization
Implemented Agile methodology for deliveries
Generated ad-hoc reports for users

Aug 2015 - Nov 2016

1 year 4 months

Bucharest, Romania

PL/SQL Developer

Unicredit Business Integrated Solutions

Database programming and analysis, including cursors, ref-cursors, procedures, functions and packages, Oracle Forms, Oracle supplied packages, collections, partitioned tables, objects, records and views
Complex SQL queries, dynamic SQL, analytical functions and various Oracle objects
Troubleshoot and provide system and user support
Analyze, design, code, test and implement complex applications based on elicited specifications
PL/SQL language specific exception handling
SQL optimization

May 2013 - Aug 2015

2 years 4 months

Bucharest, Romania

Senior QA Warehouse/Reporting (Business Intelligence)

Romanian Commercial Bank; Play Solutions

Prepare test cases based on ETL specification document, use cases and low level design document
Extensively use SQL and PL/SQL queries for data validation and backend testing
Validate data files from source to ensure correct data capture to target tables
Develop test plans and scripts, prepare test data, reconcile data sources and execute functional tests
Support multiple code branches, build and deliver releases
Act as lead of testing activities and manage time and tasks to provide visibility
Experience working with IBM Cognos for reporting and ETL systems (Oracle Warehouse Builder, Oracle Workflow)
Work with Oracle database and bug-tracking systems (QualityCenter and ALM)
Perform multiple tasks in test database administration
SQL tuning using hints and RDBMS concepts
ETL concepts and working with database objects: packages, functions, procedures and anonymous blocks
Interview potential candidates on technical database knowledge
Plan and estimate various projects and transfer knowledge to juniors
Perform ETL and data manipulation techniques
Document source to target mappings, process flows, data flows, technical specifications and unit test documents
Support running processes on closing banking day in test environments

Jul 2012 - May 2013

11 months

Bucharest, Romania

QA Warehouse/Reporting (Business Intelligence)

Vodafone Romania

Work with ETL systems (Informatica PowerCenter) and perform data warehouse systems analysis
Knowledge of performance measurement methodology and experience with Business Objects reporting
Strong SQL, PL/SQL and Unix skills (Oracle database)
Solid knowledge of web services (SOAP using Eclipse tools)
Analyze impact of patches and releases applied on test environments
Experience with billing and customer relationship management systems
Support operational area and development of BI through entire development cycle from requirements definition, ETL and delivering user reports
Test ETL data warehouse components to verify functionality and standards conformance
Create, design and execute test plans
Identify, troubleshoot and resolve potential issues
Approve requirements and design specifications
Test flat file data transfers

May 2010 - Jul 2012

2 years 3 months

Bucharest, Romania

Testing Programmer

Romanian Commercial Bank

Develop, improve and extend automated test frameworks and test scripts using QTP automation and SQL/PL SQL scripting
Maintain and manage testing environments and Oracle Forms
Track and manage database sessions and check deployment of patches and releases
Start and stop SQL environment engines
Maintain automatic jobs using DBMS_JOBS.SUBMIT and automatic execution processes for operational core banking on test environments
Analyze tables, schemas and indexes
Develop scripts to bring data from production to test environment via database links
Populate database with test or real data after environment rewriting

Oct 2009 - May 2010

8 months

Freelancer

Independent Projects

Design and develop custom web applications and websites
Work with MySQL and Oracle databases
PHP (Symfony framework), HTML, CSS and XML
Visual Studio, ASP.NET, C# and JavaScript

May 2008 - Oct 2009

1 year 6 months

Bucharest, Romania

Accounting Developer

S.C. Pagini Aurii S.A. (Golden Pages)

Created C# application for Oracle data transfer (Wizcount)
Exported revenues to Oracle and handled computing errors
Imported customer contracts and related rates from Oracle into accounting and management program and corrected errors
Transferred promissory notes and checks to Oracle application
Analyzed and corrected double payments, penalties, increases or cancellations of invoiced contracts
Supported applications based on bank cashing statements from BancPost, RBS Bank, Credit Europe Bank and Transylvania
Issued reports (Report Viewer) such as revenues in the period, cashing for major clients in Oracle, uncollected invoicing after publication of books and issuing discount invoices
Contributed to site redesign (CSS, XML and HTML)

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Banking and Finance (14 years), Media and Entertainment (1.5 years), Telecommunication (1 year), and Information Technology (0.5 years).

Banking and Finance

Media and Entertainment

Telecommunication

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (14.5 years), Business Intelligence (11 years), Quality Assurance (5.5 years), Project Management (2.5 years), and Accounting (1.5 years).

Information Technology

Business Intelligence

Quality Assurance

Project Management

Accounting

Skills

Team Spirit
Good Ability To Adapt To Multicultural Environments
Good Communication Skills
Trainer Skills
Adaptability And Flexibility
Attention To Details
Multi Tasking Skills
Communications Skills
Decision Making Skills
It
Banking
Telecommunications
E-commerce
Rdbms
Scripting
Oop
Query Language
Procedural Language
Driving Licence B

Languages

Romanian

Native

English

Advanced

Education

Sep 2005 - Jul 2008

Faculty of Cybernetics Statistics and Economic Informatics (Bucharest Academy of Economic Studies)

Graduate Degree · Economical Informatics · Bucharest, Romania

Profile

Created

February 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Mihai based?

Mihai is based in Măgurele, Romania and can operate in on-site, hybrid, and remote work models.

What languages does Mihai speak?

Mihai speaks the following languages: Romanian (Native), English (Advanced).

How many years of experience does Mihai have?

Mihai has at least 17 years of experience. During this time, Mihai has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 2 years and 6 months. Note that Mihai may not have shared all experience and actually has more experience.

What roles would Mihai be best suited for?

Based on recent experience, Mihai would be well-suited for roles such as: Senior ETL Developer | Team Lead, Data Warehouse Engineer, Senior ETL Developer.

What is Mihai's latest experience?

Mihai's most recent position is Senior ETL Developer | Team Lead at Unicredit Bank Austria.

What companies has Mihai worked for in recent years?

In recent years, Mihai has worked for Unicredit Bank Austria and Deutsche Bank.

Which industries is Mihai most experienced in?

Mihai is most experienced in industries like Banking and Finance, Media, Entertainment and Publishing, and Telecommunication. Mihai also has some experience in Information Technology (IT).

Which business areas is Mihai most experienced in?

Mihai is most experienced in business areas like Information Technology (IT), Business Intelligence, and Quality Assurance (QA). Mihai also has some experience in Project Management and Accounting.

Which industries has Mihai worked in recently?

Mihai has recently worked in industries like Banking and Finance.

Which business areas has Mihai worked in recently?

Mihai has recently worked in business areas like Business Intelligence and Information Technology (IT).

What is Mihai's education?

Mihai attended Faculty of Cybernetics Statistics and Economic Informatics (Bucharest Academy of Economic Studies) for Economical Informatics.

What is the availability of Mihai?

Mihai is immediately available full-time for suitable projects.

What is the rate of Mihai?

Mihai's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.