David Xavier Email & Phone Number

As the Manager of Software Development Consulting Services, I'm responsible for delivering products and solutions tailored to clients needs using the most recent technology and best practices. Our offering includes the full SDLC of custom applications (Digital Transformation, Analytics & Big Data, Apps & Web Portals, Business Architecture, RPA, CMS, Azure, AI and ML).- Assisted the Head of Application Development by managing products, people and projects;- Participated in strategic planning, demand management, business development activities and portfolio management;- Functioned as a Technical Project Manager, Scrum Master and Business Analyst for software development projects;- Worked closely with clients to determine the needs, architect and implement solutions;- Established and implemented agile principles to drive team performance and create cross-functional collaboration in the delivery of continuous improvement initiatives;- Leveraged a technical background to deliver scalable designs: performed code reviews, mentored junior developers, and participated in technical design and architecture;- Led and mentored offshore teams using Agile practices with developers distributed across 4 countries that delivered a digital asset Marketplace;- Architected and led the development of Big Data solutions (ASP.NET, SQL Server, SSIS and DevExpress for the Dashboards);- Architected and led the development of software for Oil & Gas company (Angular, ASP.NET Web API, and Azure Services); - Architected and implemented an internal Project Management Information System on Azure ecosystem to streamline the processes and ensure consistency through the introduction of standardized tools and templates adherent to PMI best practices.

- Researched, architected and developed multiple Proof of Concepts using .NET Core, Azure PaaS, Python (Numpy, Pandas and Tensorflow) and other technologies;- Architected and developed Android and iOS Apps to monitor Contact Center KPIs using Xamarin Forms and Syncfusion;- Developed Web Portals using Drupal, PHP, MySQL and ASP.NET Web API. - Developed a POS and Member Management system using ASP.NET and SQL Server;- Developed an Android App that connected to handheld printer to print invoices using Android SDK;- Developed REST APIs with ASP.NET Web API.- Created custom Qlik Sense visualization extensions using D3.js;- Architected and developed a set of web applications which are part of Reditus’ services using .NET Core and Azure. Integrated best practices: CI/CD, unit testing, automated testing, pull requests, and reviews.- Transferred a large set of applications (services, legacy and new applications) to Azure, using such services as Azure SQL Database, BLOB Storage, Data Factory, Azure Functions and Azure Web Apps.- Performed Data Migrations using SSIS and T-SQL; - Designed reports/dashboards using SSRS and PowerBI;- Managed internal cloud infrastructure (Azure).

Prepared and lectured the module "Introduction to Python for Data Science" which included the following topics:- Python fundamentals & Jupyter Notebook- Introduction to Matplotlib, Numpy and Pandas- Plotting and Visualization

- Lead and mentor a team of data engineers in designing, implementing, and optimizing data pipelines and systems.- Provide technical leadership and guidance to the team, including code reviews, best practices, and knowledge sharing sessions.- Drive technical design discussions and provide guidance on selecting appropriatetechnologies and tools for data processing, storage, and analytics

- Design data pipelines using GCP tools such as Cloud Dataflow, and Cloud Composer.- Store and process data in GCP using Big Query, Cloud SQL, and Cloud Storage.- Automate the deployment of data pipelines and systems using GCP's Cloud Build and Cloud Functions.- Monitor data pipelines and troubleshoot any issues or bottlenecks to ensure smoothdata flow and timely delivery- Implemented several tools such as dbt, Airbyte, Liquibase and FastAPI

- Conducted a market research;- Conducted product-market fit by interviewing potential users to understand their needs and how the product concept could meet their needs;- Developed content while always keeping in mind of SEO;- Worked with web analytics and sales;- Amassed the data, analyzed it, and wrote up reports summarizing the data and the conclusions drawn.

Lisboa E Região, Portugal

Software Engineer on the Integrated Channels Platform of Caixa Geral de Depósitos. This platform supports several banking channels like: Online Banking desktop and mobile websites, BackOffice used at branches, Contact Center applications- Developed and maintained mature and new BackOffice applications used by bank branches;- Performed code corrections in the Android, iOS Apps and IVR System;- Created and maintained technical documentation;Technologies: Java EE, EJB, JSP, JBoss, Hibernate, JBoss Seam, Oracle 11g, Maven, Objective-C, iOS, Javascript, JQuery

Master'S Degree, Cognitive Science

Bachelor'S Degree, Data Science

Bachelor'S Degree, Marketing And Advertising

Técnico De Gestão De Equipamentos Informáticos, Informatics