São Paulo, Brazil · --:-- · UTC

Giovanni
Braga Bernardo

I build backend services and the integrations between them — Java, Kotlin, Spring, cloud and messaging.

Certifications

  • Amazon Web Services

    AWS Certified Cloud Practitioner

    Issued
    Apr 2026
    Expires
    Apr 2029
    Validation no.
    1a6eb40174ca401f8996f144b36db7c2
    Verify credential ↗

  • Oracle

    OCI 2025 Certified AI Foundations Associate

    Issued
    Sep 2025
    Expires
    Sep 2027
    Verify credential ↗

Selected results

  • 45% → 95%

    Correct results on Confluence and Jira workflows in a reviewed sample, after contributing MCP servers and reusable skills to an internal agentic AI platform.

  • D+1

    Employee and store hierarchy changes now land on the next daily sync, through a service integrating SAP Commissions and Azure Blob Storage.

Trail

  1. Today

  2. 2026

    Project · May 2026

    OrbitFire

    REST microservice that queries, filters and aggregates wildfire hotspot data from INPE. Daily and monthly CSVs are ingested into S3 and loaded on demand, with in-memory caching.

    Java 17 / Spring Boot / AWS S3 / Caffeine / Docker

    code ↗video ↗

  3. Project · Mar 2026

    Vitalis

    Medication tracking app for patients and caregivers — dose reminders, adherence monitoring and history — plus its marketing site.

    React Native / Expo / TypeScript / Next.js

    code ↗site ↗

  4. 2025

    Project · Nov 2025

    BalancedMind API

    Spring Boot gateway that authenticates users and securely forwards chat requests to an external AI service.

    Java / Spring Security / Firebase Auth / OpenAPI

    code ↗

  5. Project · Oct 2025

    NourishNet

    Backend for coordinating food donations end to end — matching with recipient organisations, delivery tracking with proof of delivery, alerts and audit logs.

    Java 17 / Spring Boot / Oracle DB / Firebase Auth

    code ↗

  6. Work · Jan 2025 — now

    Integration Architect, Accenture

    I define API contracts, data mappings and C4 diagrams for cloud microservices and external systems, and guide the teams implementing them.

    • Designed PostgreSQL access flows and indexes, and moved rating aggregation into a single optimised query — less data over the wire, faster responses.
    • Designed data flows for a hierarchy-processing service in a telecom environment, with automatic and manual synchronisation.

    Java / Spring / Camunda / PostgreSQL / Azure / Kafka

  7. 2024

    Work · Apr 2024 — Dec 2024

    Full Stack Developer, 3S Informática

    Built a Kotlin backend with Ktor to modernise a legacy business system, deployed a CRUD API on AWS with Docker, and built the company website in React.

    Kotlin / Ktor / AWS / Docker / React

  8. 2023

    Education · Feb 2023 — Dec 2026

    B.S. Information Systems, FIAP

    Where the trail started. Expected graduation in December 2026.

everything else on GitHub ↗

Toolbox

Languages
Java, Kotlin, TypeScript, JavaScript, SQL
Frameworks
Spring Boot, Ktor, React, Next.js
Integration
REST, OpenAPI, Kafka, Azure Service Bus, Event Hubs, Camunda, MCP
Data
PostgreSQL, MySQL, indexing, query tuning, Azure Blob Storage
Infra
AWS, Azure, Docker, Azure DevOps, Git

Portuguese (native) · English (professional)

Contact

Always up for a good conversation about backend, integrations and architecture — wherever in the world you are. Let’s talk.