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Leticia Vasconcellos

Full Stack C# on .NET Engineer | Software Developer | ETL | SQL | Angular | TypeScript | Git | GitHub

Taboão da Serra - SP, Brazil leticiavasconcellos@yahoo.com

Profile

I am a Full Stack C# on .NET Engineer with over 15 years of experience in software development, focusing on ETL processes and .NET and JavaScript frameworks.

I have expertise in designing efficient ETL pipelines, integrating data across diverse sources, and automating workflows for MS SQL and MySQL.

I have experience working with RabbitMQ, Kafka, MassTransit, and DevOps practices, including CI/CD pipelines.

I strengthened my skills in .NET and Angular at Stefanini Brasil and contributed to ETL-focused projects at Grupo EASE and LTS Soluções Tecnológicas.

I am passionate about Agile methodologies, including Scrum, and I am committed to delivering innovative and impactful solutions. I am ready to collaborate with teams and organizations that value data-driven excellence.

Education

Technical degree in data science

Descomplica Faculdade Digital2023 - 2025

Skills

  • C# , VB.NET
  • ASP.NET MVC, ASP.NET Web API, .NET Core
  • SQL Server, Oracle, MySQL, PostgreSQL, MongoDB
  • HTML, CSS, JavaScript, jQuery, Bootstrap
  • Angular, React, TypeScript
  • Unit Testing, CI/CD (GitLab)
  • Scrum, Kanban
  • Power BI, ETL (Talend, Data Factory)

Experience

Senior Software Engineer

Aug 2024 - Present | Poatek
At Poatek, I’ve been contributing to the development of an educational platform for medical students. My focus has been on front-end development with Angular and SCSS, implementing features like Progressive Web Application (PWA) and managing state with NgRx. On the backend, I’ve worked with Nest.js APIs, ensuring reliable functionality. Additionally, I’ve been expanding my knowledge in web accessibility (A11y) to create more inclusive experiences. Collaborating with international teammates and using tools like GitHub and GitHub Actions for CI/CD workflows has been an enriching professional experience.

Software Engineer

March 2023 - August 2024 | Stefanini Brasil
At Stefanini, I worked on applications for invoicing and post-sale processes for Dell, focusing on maintaining and enhancing these systems to ensure compliance and efficiency. This role allowed me to deepen my knowledge of .NET Core 6 and Angular while exploring messaging technologies like RabbitMQ and Kafka, as well as DevOps practices, including CI/CD pipelines. Collaborating with international teams further developed my communication skills and adaptability in a multicultural environment.

Software Engineer

March 2022 - March 2023 | Agência Molla
During my time at Agência Molla, I developed customized websites for marketing campaigns, incorporating secure authentication and dynamic features to monitor performance. My work involved technologies like .NET Core 3, REST APIs, and Entity Framework Core, as well as front-end tools like Razor, jQuery, and JWT. This role allowed me to balance functionality with design to deliver tailored solutions for client needs.

Software Engineer

July 2019 - March 2022 | Grupo Ease
At Grupo Ease, I focused on improving ERP systems for shopping centers, optimizing lease contract management and budgeting processes. I also developed Power BI dashboards to provide stakeholders with actionable insights. Leveraging tools like VB.NET, SQL Server, and Azure Data Factory, I contributed to creating efficient ETL processes that enhanced business operations.

Software Engineer

April 2011 - July 2019 | LTS - Soluções Tecnológicas
At LTS, a company I co-founded, I developed tools like 'Consulte' to automate business data collection through web scraping and ETL processes. I also led the development of a VB.NET desktop application for automated data capture and validation, which is still in use today. This experience allowed me to deepen my expertise in data automation and create practical solutions that streamlined business processes.

Jr Software Engineer

June 2005 - August 2010 | CIVS - Assessoria Sindical
My development journey began at CIVS, where I transitioned from an administrative assistant to a software developer. I designed a desktop application in VB.NET to automate union contribution processes, reducing manual tasks and improving data accuracy. I also worked on ETL workflows to connect various data sources to SQL Server, building a solid foundation in business requirements and data integration.

Certification

Developer Thinking, Nov 2023

Part of the Data Science program, these courses focused on enhancing my communication skills, understanding the principles of agile methodologies, and developing a problem-solving mindset.

Programming and Communication, Sep 2023

Part of the Data Science program, these courses focused on developing my coaching and career planning skills, as well as enhancing my understanding of data intelligence and its applications.

Math Computing Basics, May 2023

Part of the Data Science program, these courses focused on developing my understanding of computer architecture and applied differential equations, enhancing my mathematical and computational skills.

.NET Microservices: CQRS & Event Sourcing with Kafka, Apr 2023

Focused on learning Kafka and Docker within a .NET framework, gaining insights into CQRS and Event Sourcing, and enhancing my understanding of microservices architecture.

Agile Scrum Master, Mar 2022

Acquired foundational knowledge and practical skills in Scrum methodologies, which complemented my experience with agile practices in software development.

The Complete ASP.NET MVC 5 Course, Jan 2022

Deepened my expertise in ASP.NET MVC, focusing on advanced features and best practices to enhance web application development skills.

Unit Testing for C# Developers, Sep 2021

Gained comprehensive knowledge in unit testing for C#, emphasizing the importance of testing in ensuring code quality and application reliability.

SQL 2008, Dec 2010

Strengthened my SQL Server skills, focusing on fundamental concepts and practical applications in database management.

VB.NET 2005, Jul 2009

Entered the realm of programming with VB.NET, building a foundational understanding of programming concepts and application development.

Languages

  • Portuguese - Native
  • English - Proficient

Interests

Pets
Writing
Drawing
Books