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Joao G.
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Joao G.

Expert in React Native | React | Next.js | Django | openAI | Base44

Over the past eight years, I have worked as a Mobile & Website & Web scraping Developer, and I began specialising in AI-related project too three years ago. I have extensive experience working both independently and collaboratively on time-sensitive and technically challenging projects. These have often required a combination of creative problem-solving and strong technical expertise, along with the ability to ensure optimal performance across a broad range of platforms. Always focused on producing well-documented, well-architectured, well-designed projects based on efficient and clean code. My tech stacks: - Mobile/Web: React Native - CLI & Expo, React, Redux, Context API, Hook, Next, Xamarin, JavaScript/TypeScript, HTML/CSS, SCSS/SASS/LESS, Tailwind CSS, Bootstrap, MUI, Ant-design, NativeBase, React-native-paper, C#, Python - Git: Gtihub, GitLab, Bitbucket - Backend: Laravel, Node.js - DataBase: MySQL, MongoDB, PostgreSQL, Firebase Cloud Firestore - Cloud Server: AWS(S3, EC2, Lambda), Azure, Firebase, Docker - API: REST, GraphQL(Apollo, Helix, AWS Amplify) - Xamarin to React Native or Flutter - AI/ML, openAI, chatGPT, LLM, Big Data, LangChain, Claude, DeepSeek, Azure, Pytorch, Tensorflow - AI Speech-to-Text, AI Text-to-Image, AI video generation, AI Agent Development From my expertise experience, I can provide the perfect solutions and creative ideas. Looking forward to discussing your project and business. Thanks!

🇧🇷Londrina, Brazil$30/hr100% JSS4.90 (20)Since Jul 2022

Earnings and projects

MRR
$277

Last 6 months ÷ 6

World#101,498 / 412k
🇧🇷Country#1,211 / 4,647
Revenue, last 30 days
$5

Last 6 months: $1.7k

World#106,030 / 412k
🇧🇷Country#1,283 / 4,647
Total earnings
$6.9k

Billed in all: $6.9k

World#227,771 / 412k
🇧🇷Country#2,424 / 4,647
Per project
$313

$415 in the last 6 months

World#227,426 / 412k
🇧🇷Country#2,508 / 4,647
Projects, last 6 months
4
100% fixed0% hourly
World#51,813 / 412k
🇧🇷Country#490 / 4,647
Projects in all
22

Across 23 contracts

96% fixed4% hourly
World#124,452 / 412k
🇧🇷Country#928 / 4,647

Earnings, last 30 days

$6.9k+$5 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6.9k$6.9k$6.9k$6.9kOct 8Oct 23Nov 7

Skill rankings: Top 20% in Android

Ranked by MRR among everyone on Upwork with the skill.

  1. #16Base4439 freelancers · 🇧🇷 #1Top 41%
  2. #113PostgreSQL Programming511 freelancers · 🇧🇷 #2Top 22%
  3. #179Expo.io581 freelancers · 🇧🇷 #2Top 31%
  4. #733App Development2,592 freelancers · 🇧🇷 #10Top 28%
  5. #873iOS3,908 freelancers · 🇧🇷 #3Top 22%
  6. #1,000Android4,975 freelancers · 🇧🇷 #5Top 20%
  7. #1,411REST API5,062 freelancers · 🇧🇷 #10Top 28%
  8. #1,477Android App Development6,395 freelancers · 🇧🇷 #9Top 23%