Wladimir G.

I provide fast-paced, first-class code to solve different e-commerce problems, and also guidance and mentoring on:

• Optimizing and improving Nest.js API's through the proper use of its resources like Guardians, Decorators, Interceptors, Pipes;
• Developing using Flutter framework;

Achievements:

• Developed a Givex SDK in a couple of weeks, including fail-over strategies in case of server failure using project patterns and principles like Single Responsibility and Separation of Concerns.
• Provided consulting to a third-party company in charge of Vivara's website to help find a client-side major bug affecting sales. Instead of hiring additional expensive tools, we solved the problem using existing contracted infrastructure within weeks.
• In a few months, I developed an in-house mobile app and its back-end using the Flutter framework to secure the new pickup-in-store delivery. The store's sellers can now confirm if they can deliver the product, validating the token sent to the customer.
• Created a system using an Azure pipeline and code implementation to build, distribute, and update the mobile in-house app through a single web page. This system resolved significant problems in updating many corporation smartphones manually sending the link to update it.
• Design and Developed an entire new centralized customer notification system responsible to send all the customer e-mail, and WhatsApp messages. This system provided many improvements, among them: Full compatibility with WhatsApp templates, allowing to create beautiful templates being consistent with the brand values; Historical data report to the Customer Service Team; Centralized service written with Domain Drive Design in mind provides easy plug-in and replacement of services to send e-mail and instant messages;

Working in an Agile (Scrum) environment as a senior developer with the following responsibilities, but not limited to:

● Collaborate with other engineers and teams to implement new features, improvements, and fixes;

● Help with design and code reviews. Ensuring good engineering practices are being applied;

● Create secure and high-performance integration with 3rd party APIs and database engines;

● Work with Product Designers and Product Owners to iterate and implement designs & build new apps designed for iOS / Android and Web apps;

● Develop and maintain SSR web apps;

Achievements:

● Solved a complex problem within two weeks that had been causing problems for more than a year without a fix. This problem drove me to propose logging mobiles apps exceptions and events on Azure Insights;

● Planned and Proposed mobile app/server/web client telemetry logging using Azure Monitoring infrastructure which stakeholders accepted with enthusiasm;

● Accomplished the first planned step of monitoring users' mobile application exceptions, which provided immediate reports of mobile app failures and user experience usability events.

Projects: Data to Invoice System to a Big Health Care Brazilian Company.

Tech Stack: React.JS, Node.JS, React Native, Next.JS, Nest.JS, Jest, PostgreSQL, Azure DevOps (Repositories, Pipelines), Sendgrid, Azure Insights.