Cesar Wen Email & Phone Number

State Of São Paulo, Brazil

Pompeia, São Paulo, Brasil

Responsible to lead a team that create automatized solutions for operations of agricultural processes. Develop people through challenges and encourage learning. I'm also responsible for ensure both the highest quality of software and service with the goal of optimizing availability of all resources.Responsible for the development of vehicle display software for over all produced machines.

As a team, we built a versatile chatbot for wine sales and support. This scalable, customizable product holds potential for diverse applications. Led a four-member team in developing an advanced Python-based chatbot, resulting in these achievements:• Architected a modular, customizable and scalable product, designing a flexible system that could adapt to varying requirements and future expansion.• Lead the deployment and continuous maintenance of AWS (ECS) to host Docker containers, ensuring a reliable and efficient infrastructure for operation.• Utilized Memcache to optimize response times, ensuring smooth and responsive user interactions.• Enhanced user engagement by seamlessly integrating the OpenAI API, delivering natural and contextually relevant interactions.• Developed a secure SSL-integrated webhook for the WhatsApp Business API, ensuring data security and privacy while enabling seamless communication.• Simplified user engagement and data management by skillfully integrating HubSpot, serving as a comprehensive database and CRM solution.

During this timeframe, we accomplished several significant milestones. We successfully crafted an application for optimal restaurant selection, catering to diverse experiences within São Paulo City. Additionally, we engineered a recommendation system designed to propose ideal travel destinations tailored to individual user preferences.Our application garnered substantial traction, boasting a user base of more than 300 recurring users and 1000 active weekly users. These achievements paved the way for securing a noteworthy R$100k investment, valuing our venture at R$1000k. Led a team of two in the development achieving:• Developed a Docker server with Python (Flask), using AWS ECS.• Implemented AWS S3 (with Load Balancers) to manage extensive media content.• Streamlined the development process with GitHub actions (CI/CD) enabling continuous development practices.• Maintained data operations with Google Firestore, ensuring low latency and efficient data handling.• Migrated and sustained services from Google to AWS platforms (Lambda, S3, load balancers), resulting in an average monthly cost reduction of 80% on cloud expenses.• Integrated with various Google products like microservices, databases, storage, and cloud distribution systems (Cloud Functions, Firestore, Cloud Storage, Cloud CDN).• Collected and managed data to generate Google Data Studio dashboards, enabling the monitoring of performance metrics for the developed application.

São Paulo, Brasil

• Optimized analyst work hours by automating Google Sheets dashboard updates using Python and Airflow, resulting in streamlined routines.• Pioneered the creation of multiple dashboards utilized by Rappi’s global leadership, along with real-time tracking dashboards for swift management of critical demands.

São Paulo, Brasil

Developed Power BI/Google Sheets dashboards for Growth campaigns, enabling performance tracking and informed decision-making.

São Paulo, São Paulo, Brasil

Developed Power BI, Google Sheets and Microsoft Excel dashboards, extracting insights from SQL database to generate business logic and track key performance indicators (KPIs) across various business segments.

São Paulo, Brasil

- Acquisition and storage of data from meteorological station for environmental comfort (Java, MySQL).- Development of web services for communication with app (Java, JSON, Apache Tomcat).

Engenharia Mecatrônica

Sandwich Program, Engineering

Ensino Funcamental E Médio, Conhecimentos Gerais