Geanina Toma-Jercaianu

Experience

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  Enea

  Oct 2011 - Apr 2013

  Testing Analyst

  - Developing system test plans/scripts for testing of the software on all assigned projects. - Perform data migration audit, SQL reconciliation scripts and exception reporting - Executing system test and validating the applications against defined requirements according to the documented scripts and success criteria. - Generating program trouble reports for requirements that failed during test. - Developing final test reports. - Testing applications using specific software tools; - Logged, maintained & tracked defects, assigned type & severity levels Show less

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  Squant Development

  Apr 2013 - Aug 2014

  Software Developer

  - Assist in determining time and cost estimates for assigned projects. - Use programming principles, tools and techniques to write application codes. - Develop applications according to specification - Design data layer according to technical requirements - Testing sample data-sets to check that output from the program works as intended; - Installing the application into production; - Reacting to problems and correcting the program as necessary - Updating, repairing, modifying and developing existing software - Creating and maintaining business activity reports for our clients - Offer technical support to end users when needed Show less

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  Teamnet

  Sept 2014 - Aug 2015

  .NET Software Developer

  - Designing, coding and testing software modules that meet design specifications - Design stable, reliable and effective databases - Modify databases according to requests - Solve database usage issues and malfunctions, performing preventive maintenance activities; - Maintaining, tuning and repairing applications in order to keep them performing according to technical and functional specifications; - Reacting to problems and correcting the program as necessary - Updating, repairing, modifying and developing existing software - Offer technical support for our clients Show less

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  Enea AB

  Aug 2015 - Mar 2017

  Data Migration IT Analyst - for Vodafone Romania

  - Perform source system data analysis to manage source to target data mapping.- Assist in designing, planning and managing the data migration process.- Assist in data migration plans including volume details and scheduling- Perform data migration audit, SQL reconciliation scripts and exception reporting.- Oracle PL/SQL fine tuning to avoid system bottleneck.- Analyzing the transforming methods, existing data format for the new environment and the loading of this data into another DB.- Work across multiple functional projects to understand data usage and implications for data migration. Show less

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  EMAG

  Mar 2017 - Jan 2024

  My role is to help the team grow. The challenges I face:· to inspire and motivate the team· to create an organizational culture based on communication and learning· to set clear and measurable objectives· to fulfill the company's objectives· to resolve conflicts· to unite the team· to recognize and reward talentsI maintain close contact with colleagues in the team through periodic meetings, 1to1, coordination meetings, guidance or administrative, operational tasks.My role involves half of the time dealing with technical activities and the rest of the time with team management and support.As we are currently going through a transition from DWH Developers to Data Engineers we also face the challenge of a new technological stack. I was and am involved in creating POCs in order to test new tools, languages and platforms. To name a few: dbt, Impala, pyspark(Zeppelin, Visual Code), Gitlab, Yarn, Airflow, Dremio, Tableau. For me being a team leader also means it is important to have a solid technical background, to be able to offer the team the support it needs. That is why I try to stay up-to-date with the trends of our field and share my knowledge with my peers. I believe in continuous learning in order to be able to provide useful and relevant input.Solid technical knowledge, soft skills, conflict management, flexibility in thinking and approach, and the ability to be a good listener are just some of the requirements I see necessary to succeed in this role. Show less - Creating star schema data models, performing ETLs and validating results with business representatives- Ability to understand business requirements and business rules and translate it into stored procedures.- Monitoring and tuning queries and data loads to improve performance, addressing user questions concerning data integrity- Design data models and define both logical and physical models- Prepare various code designs and ensure efficient implementation of same- Evaluate all codes and ensure quality of all project deliverables.- Monitor data warehouse work and provide subject matter expertise.- Ability in constructing triggers, user defined functions, jobs, views, dynamic sql- Extracting, Transforming and Loading (ETL) data from MySQL, MongoDB, Excel, Flat files, Oracle, MongoDB to MS SQL Server by using SSIS- Used SSRS to generate formatted parameterized reports- Managing, monitoring and troubleshooting SQL Server 2012/2014/2016.- Experience in code review.- Prepared and updated documentations to ensure all procedure and knowledge are traceable in future cycles. Show less

  • Data Warehouse Team Leader

    Dec 2019 - Jan 2024

  • Senior DWH Developer

    Mar 2017 - Nov 2019
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  UiPath

  Jan 2024 - now

  Principal DWH Developer