Full Stack Developer

Transforming
Ideas into
Code

Full stack developer specialized in creating digital experiences that impact real companies and real users.

Profile picture of Rodrigo Sousa, full stack developer

Featured Projects

Real solutions running in production, impacting thousands of users daily

Preview of WhatsApp Enterprise Automation System
Featured

WhatsApp Enterprise Automation System

WhatsApp automation platform for clinics and laboratories, integrating with legacy systems (Firebird) and processing exam confirmations in real-time.

Node.jsTypeScriptFastifyRedisBullFirebird
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Preview of Smart Scheduling System for Public Services
Featured

Smart Scheduling System for Public Services

Multi-tenant platform that digitizes municipal service scheduling, integrating web, mobile, and WhatsApp channels. Reduced in-person queues and optimized service for thousands of citizens.

Node.jsTypeScriptFastifyReactRedisPostgreSQLPrismaGupShup API
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Preview of Legal Assistant - Automation of Legal Notices and Case Queries
Featured

Legal Assistant - Automation of Legal Notices and Case Queries

Full-stack platform that automates the generation of legal notices and case queries, integrating with the DataJud API (ElasticSearch) and generating DOCX/PDF documents from dynamic templates. Reduced an 8-hour process to 15 minutes, eliminating human errors and standardizing documents.

ReactTypeScriptTailwindCSSFirebaseElasticSearchhtml-docx-js
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Featured

Medical Report Automation System

Complete automation of laboratory exam workflow with SOAP/XML integration to Hermes Pardini Laboratory, eliminating 15% of manual errors and reducing report issuance time from 5 minutes to seconds.

Node.jsTypeScriptFastifyFirebirdRedisBull QueueReactViteTailwindSOAP/XML
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Featured

Access Control System with Biometric Turnstiles

Corporate desktop system in Delphi for access control via Topdata biometric turnstiles, with TCP/IP communication, asynchronous state machine, and automatic fingerprint synchronization.

Delphi 12Firebird 2.5.9FireDACSDK EasyInner.dllTCP/IPVCLThreadsObserver Pattern
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Preview of DigiAnalise - AI-Powered Analytics Platform
Featured

DigiAnalise - AI-Powered Analytics Platform

Full-stack platform that transforms unstructured WhatsApp conversations into actionable insights with generative AI, executive dashboards, and intelligent alerts for the public sector.

Next.js 14TypeScriptPrisma ORMReactTailwind CSSshadcn/uiRechartsGoogle Gemini 2.5 FlashZod
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Experience

Journey building solutions that truly matter

2024 — 2025

Digigov - Management and Innovation Services

Tech Lead & CTO

Responsible for leading the technical architecture and innovation strategy at Digigov, driving digital transformation of public services with generative AI, automation, and multichannel integrations.

  • Conception and technical leadership of products like DigiAnalise, DigiGov API, and Cidadão Digital.
  • Creation of AI pipelines for conversation analysis and service insights with GDPR compliance.
  • Definition of scalable architecture standards and multi-environment deployment automation (Next.js + AWS).
  • Developer mentorship and implementation of engineering best practices (CI/CD, code review, Zod, ESLint).
  • Participation in pitches and demonstrations to government agencies and partners (BNB, SEFIN).
Next.js 14TypeScriptReactNode.jsPrismaPostgreSQLGoogle CloudAWSTailwind CSSshadcn/uiGemini AIZodETL Automation
2022 — 2024

Digigov - Management and Innovation Services

Full Stack Developer

Worked on full-stack development of govtech solutions for municipalities, focusing on service automation, data intelligence, and integration with public services.

  • Development of WhatsApp Enterprise automation system for citizen service.
  • Implementation of DigiGov API for data unification and authentication across multiple municipal services.
  • Creation of executive dashboards and AI-based analytics modules (DigiAnalise).
  • Integration of chatbots with NLP for demand triage and prioritization.
  • Performance and security optimization of applications (GDPR, caching, metrics pre-aggregation).
Next.jsReactNode.jsTypeScriptPostgreSQLPrismaTailwind CSSRechartsshadcn/uiGoogle Gemini
2022 — 2024

Digigov - Management and Innovation Services

Software Quality Analyst

Worked on ensuring the quality of web systems and digital products, participating throughout the entire development cycle to deliver stable, functional, and user-centered solutions aligned with product acceptance criteria.

  • Planned, executed, and documented manual and exploratory functional tests for web applications.
  • Created and maintained test plans and scenarios focused on traceability and reusability.
  • Validated user story acceptance criteria in collaboration with product and development teams.
  • Implemented and executed E2E test automation using Cypress and Playwright.
  • Organized and maintained QA documentation, including test evidence, coverage status, and test reports.
  • Actively participated in agile ceremonies (planning, refinement, daily meetings) to ensure quality across all deliveries.
CypressPlaywrightJiraConfluencePostmanGitScrumKanbanJavaScriptTypeScript
2019 — 2022

CPC Brasil Sistemas

Full Stack Developer

Responsible for developing and maintaining corporate systems and custom solutions, focusing on automation and integration between ERP modules and access control.

  • Development of laboratory management system with exam control, patient management, and automated reports.
  • Creation of turnstile automation system integrated with central database and real-time access control.
  • Refactoring of legacy Delphi modules to new versions compatible with Firebird 3.x.
  • Implementation of dynamic reports and internal dashboards for operational management.
DelphiFirebirdREST APIsJavaScriptHTML/CSSWindows Server
2019 — 2022

CPC Brasil Sistemas

Database Administrator

Responsible for administration, optimization, and maintenance of Firebird databases used by corporate management systems.

  • Planning and execution of Firebird backup and restore routines in Windows Server environments.
  • Optimization of complex SQL queries and index creation for performance improvement.
  • Diagnosis and resolution of failures in connections, authentication, and data replication.
  • Automation of maintenance routines and migration scripts between Firebird versions.
FirebirdSQLWindows ServerDelphiIBExpert

Tech Stack

Tools and technologies I master to create high-quality solutions

React

Expert

Next.js

Advanced

TypeScript

Expert

JavaScript (ES6+)

Expert

Tailwind CSS

Advanced

shadcn/ui

Advanced

Recharts

Advanced

Node.js

Expert

Express.js

Advanced

Prisma ORM

Advanced

REST API Design

Advanced

Zod (Runtime Validation)

Advanced

PostgreSQL

Advanced

SQLite

Advanced

Firebird

Advanced

SQL Optimization

Advanced

AWS

Intermediate

Google Cloud

Advanced

Docker

Advanced

Git & Version Control

Advanced

CI/CD Automation

Advanced

Google Gemini AI

Advanced

OpenAI / LLMs

Intermediate

Prompt Engineering

Advanced

Natural Language Processing (NLP)

Intermediate

ETL & Data Pipelines

Advanced

Figma / UI Design

Intermediate

UX for Digital Products

Advanced

Delphi

Advanced

LGPD Compliance

Advanced

Tech Leadership & Strategy

Advanced

Data Analytics & Dashboards

Advanced

Let's Work
Together?

Always open to new challenges, interesting projects and collaborations

Get in Touch
Portfolio - Full Stack Developer | React, TypeScript, Node.js