Software Engineer at MRM Brazil, since 2024

João Vitorda Silva

Full-Stack / AI Engineer

I turn business challenges into digital products. Today my focus is backend, APIs and generative AI applied to real products.

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São Paulo, Brazil

Black and white portrait of João Vitor da Silva

Selected work

Professional case studies and technical projects presented through what matters most: context, contribution, architecture and impact.

Applied AI • MRM McCann
Lens Analytics
An internal platform using generative AI to turn client data and reports into actionable insights.
AWS Bedrock, Generative AI, Full Stack, AWS
View case
AWS Bedrock
Hours → seconds
Corporate case • limited public details
AI + Mobile • FIAP Global Solution
Requalify
Full-stack career reskilling platform: it analyzes the résumé with GPT-4 and generates, in real time, a career roadmap with courses, checkpoints and learning resources.
Java, Spring Boot, Spring Security, JWT, React Native, GPT-4
View case
PDF résumé
GPT-4 analysis
Personalized roadmap
Backend • FIAP x Mottu Challenge
Motorcycle Rental API
RESTful API to manage Mottu's fleet: users, motorcycles and rentals, tracking each contract's status and the fleet's availability.
C#, ASP.NET Core, EF Core, Oracle, Swagger
View case
ASP.NET Core • Oracle
REST + HATEOAS
Pending
Approved
Completed
Cancelled
Backend • Java
Bank System API
A banking API supporting account management, deposits, withdrawals, queries and PIX transfers protected by business rules.
Java, Spring Boot, REST API
View case

About

I’m a Software Engineer with 2+ years of experience building enterprise digital products for GM, Mastercard, Leroy Merlin, LATAM Airlines, Stellantis, L’Oréal and Diageo.

At MRM McCann Worldgroup, I work in agile squads and currently build Lens Analytics, an internal generative AI product powered by AWS Bedrock that turns hours of manual reporting into insights delivered in seconds.

years building enterprise products: 2+
global brands served: 7
in reporting with generative AI at Lens Analytics: Hours → seconds

Journey

- Developed responsive, high-performance interfaces using React, Next.js and TypeScript for digital campaigns and platforms serving global brands (GM, Mastercard, Leroy Merlin, LATAM Airlines, Diageo).
- Currently developing Lens Analytics, an internal analytics platform built with Next.js 15, TypeScript and MySQL, integrating AWS Bedrock (Claude) to enable natural language querying over marketing campaign data, replacing manual reporting for clients including Leroy Merlin, GM and Abbott.
- Led front-end development of Dealer 4.0, an interactive vehicle configurator for the Blazer EV RS deployed at GM dealership events, built for TV-scale touchscreens, with full car customization, financing simulation and real-time 3D visualization.
- Contributed to a large-scale government digital platform (PRODESP) using Adobe Experience Manager, delivering a CMS-driven system for enterprise content management.
- Implemented scalable front-end architecture across 7+ brand campaigns, supporting digital experiences for millions of end users.
- Work within cross-functional agile squads using Scrum, Jira and Bitbucket, consistently delivering on tight campaign timelines.
- Software architecture with Java and Spring Boot: Clean Architecture, SOLID and design patterns.
- Microservices, messaging and service-to-service communication.
- Automated testing, code quality and API security.
- Containers, CI/CD pipelines with Azure DevOps and cloud deployment.
- Programming and object-oriented design with Java, C# and Python.
- Data modeling and relational databases with SQL and Oracle.
- Web and mobile development, from REST APIs to React and React Native interfaces.
- Software engineering: requirements, UML, agile methods and microservices.
- Hands-on projects with partner companies, such as the FIAP x Mottu Challenge and Requalify.

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How I build products

Technology creates value when it solves a real problem. These are the capabilities I apply, focused on generative AI, backend and cloud, on top of a solid frontend foundation.

Business-focused AI

AWS Bedrock
Claude API
Generative AI
Prompt Engineering
APIs

Backend and architecture

Java
Spring Boot
REST APIs
Microservices
SQL
Docker
Design Patterns

Frontend foundation

React
Next.js
TypeScript
JavaScript
Tailwind
SCSS
AEM

Cloud and delivery

AWS
Azure
Git
GitFlow
CI/CD
Scrum

Let's talk

I’m open to partnerships and new projects.

joaosilvatech@gmail.com

João Vitorda Silva

Selected work

Lens Analytics

Requalify

Motorcycle Rental API

Bank System API