Logo
Ricardo – Flutter, Dart, C++, experts in Lemon.io

Ricardo

From Brazil (UTC-3)

flag
Mobile DeveloperSenior
25 years of commercial experience
Administration
Agritech
Data analytics
Farming
Legal tech
Public services
Retail
GIS software
Mobile apps
Lemon.io stats
2
projects done
3561
hours worked
1
offers now 🔥

Ricardo – Flutter, Dart, C++

Ricardo is a Senior Mobile developer with over 22 years of experience in the industry, demonstrating excellence as both a developer and a team/tech lead. His extensive expertise shines through, particularly in his mastery of Flutter. Ricardo is committed to producing clean code, reflecting his dedication to quality. His impressive background includes managing teams of 12-14 people!

Main technologies
Flutter
2.5 years
Dart
6 years
C++
3 years
Additional skills
GCP
Linux
Algorithms and Data Structures
Kubernetes
JavaScript
Docker
Microsoft SQL Server
Java
jQuery
Spring
Oracle
PostGIS
API
Typescript
Testimonials
#34892376601Flutter Dev for agritech project
"I would recommend Ricardo for future projects that may exist. He has been amazing to work with, and we would look forward to the opportunity to work with him again."
Direct hire
Possible
Ready to get matched with vetted developers fast?
Let’s get started today!

Experience Highlights

Senior Developer
Jun 2023 - Mar 20251 year 9 months
Project Overview

Cross-platform (web and mobile) application for the largest retail agribusiness in the USA. This user application aids crop planning, planting, and harvesting, both in farming and retail areas. The application is used by crop managers and field agents. The server-side infrastructure allows to process delivery receipts and track yield and payment data.

Responsibilities:
  • Developed new features with data modeling and front-end code;
  • Implemented common widgets for web and mobile applications;
  • Restructured critical server-side processing functions;
  • Restructured the main data import facility;
  • Contributed to styling standards;
  • Active code reviewer;
  • Wrote unit tests and contributed to improvements for the test library;
Project Tech stack:
Flutter
Typescript
Cloud Firestore
System architect, Designer and Developer.
Feb 2022 - May 20223 months
Project Overview

This is an open-source weather application developed in Flutter. It has been released to the Android Playstore and tested on Windows and Linux desktop environments. The app presents weather information from OpenWeather with a beautiful rich interface using Semantic Coloring and Syncfusion Charts.

Responsibilities:
  • Consolidated multi-city weather information onto a single page;
  • Designed a detailed weather page that includes weather data, weather alerts, and visually appealing Syncfusion charts;
  • Instructed on Layered Architecture and development best practices;
  • Instructed on practical use of popular Flutter libraries such as Riverpod, Syncfusion, and ObjectBox;
  • Demonstrated how to use Riverpod for State Management and Dependency Injection;
  • Taught Flutter's main localization approach using (flutter gen-l10n).
Project Tech stack:
Flutter
API
System Architect, C++ Developer, Tech Lead
Jun 2016 - Jun 20204 years
Project Overview

Geographic Information System (GIS) software solution for sugar cane plantation planning and engineering. This C++ application is built on top of the TNT Mips GIS platform with unique tools that empower technical staff to produce plantation projects with design automation and instant graphical feedback regarding soil preservation, drainage, machine efficiency, and more.

Responsibilities:
  • Incorporated all basic tools from TNTmips into a specialized GUI Front-end;
  • Designed new tools for plantation engineering, empowering plantation tech designers to produce sophisticated projects that consider 3D terrain landscapes, topographic properties, satellite imagery, machine efficiency, water flow paths, and more;
  • Exported plantation lines to tractor auto-pilot systems for precise execution of planned projects.
Project Tech stack:
C++
PostGIS
TNTmips
Dart
Tech lead
Jan 2007 - Jul 20136 years 5 months
Project Overview

Solutions for the Brazilian Justice digital process with services for both Court and Attorneys and integrations with D.A. Offices, Prosecution Offices, and other public parts.

Responsibilities:
  • Transformed the web development team into the reference team for the entire company by introducing best practices, modular architectures, separation of concerns, and microservices;
  • Ditched monolithic implementations and privately brewed frameworks;
  • Adopted Spring, Spring Boot, Rest services, and rich JavaScript front ends;
  • Encouraged new developers with innovative ideas to join the team;
  • Initiated the practice of pair programming and code reviews;
  • Defined unit testing best practices and code standards;
  • Wrote complex and critical code in Java and JavaScript;
  • Created automated tools to help developers and DevOps with daily chores.
Project Tech stack:
Java
Spring
Oracle
Microsoft SQL Server
JavaScript
jQuery

Languages

English
Advanced

Hire Ricardo or someone with similar qualifications in days
All developers are ready for interview and are are just waiting for your requestdream dev illustration
Copyright © 2025 lemon.io. All rights reserved.