Liudmila Santos Email and Phone Number

I’m a Data Engineer with experience working on Goggle Cloud Platform (GCP) and Amazon Web Services platform (AWS). I’m fluent in the data engineering languages of Python and SQL, and enough experience as a Backend Engineer to build or work building APIs. Some of my duties are:* Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability, using Pandas and PySpark tools.* Analyzed complex data and identified anomalies, trends, and risks to provide useful insights to improve internal controls.* Employed data cleansing methods, and significantly Enhanced data quality.* Developed analytical data structures.As a Backend :* Developed web platform back ends using Flask framework.* Managed efficient SQL queries and data transport.* Built databases and table structures for web applications.* Defined and maintained databases to deliver responsiveness to data client requests.* Troubleshot and tested software and debugged to clean up code and improve efficiency.* Create automation test for the APIs with an agile approach (BDD) using Behave Pyhamcrest, Allure-behave, and Requests tools.* Create clear and professional standardized documentation with Swagger.

- SQA engineering solutions.- Team management.- Definition and implementation of test architectures.- Support and mentoring in testing automations.- IT (SQA) technical support.- Marketing.- SQA consulting.- Training.- Performed interviews for personnel selection.

Defined processes and procedures; provided SQA solutions and testing architectures in a Continuous Integration environment.

- Definition and implementation of test architectures.- SQA Consultant services for different clients.- Elaboration of technical proposals for presales.- Management of QA Expert Center tasks at AtSistemas.- Building partnerships with third companies.- Interlocution with QA tools and services suppliers for the development of custom fitted proposals for our clients.- Study and analysis of the different tools applicable to the specific characteristics of our clients.- Implementation of procedures for QA improvement with the application of recognized international ISO standards.- Work control and management of testing teams.- Definition of new courses related to the area of Testing and QA.- Definition and elaboration of commercial material related to the Company's QA Expert Center.- Definition, elaboration and presentation of practical demos for clients and company publications.- Participation in international events on behalf of the company.

- Management of the QA team within the Service Assurance team.- Design and development of Microsoft Visio system processes (flow diagrams, causes and effects diagrams and process diagrams).- Design of several working procedures with their respective diagrams for the SQA team.- Preparation of tests documentation.- Development of test plans.- Test cases, web automation definition.- Definition and configuration of test tools (Selenium Web Driver, Eclipse with JUnit)- Provide training to the testing team for automated tests execution of with Selenium Web Driver.- Programming of automated test cases with Java / J2EE.- Working with Dev-Ops tools, web services and servers (New Relic, IPlabel, Nagios, Incapsula)- Traffic analysis, usability (UI and UX), SEO positioning (Google Analytics)- Reporting with QlikWiew, Google Analytics, Quisma- Error analysis, traceability tracking, DDBB queries for trace revisions. Inspeclet, MySQL and SQL Server.- Issue reporting with Team Foundation Server (TFS) Visual Studio and Service Now.- Web optimization analysis.- Meetings with all directors for functional requirements gathering.- KPIs calculation.

- Software Quality Assurance on the client´s web and desktop (PST [Point of Sale Terminal]) applications. - Performing management, analysis, tests administration, tests automation and software test cases execution tasks on JavaScript, using HP´s ALM tools: RFT (Rational Functional Testing), RQM (Rational Quality Manager).- Preparation of RFT and RQM courses used by the company to train the client’s users