Johnvhel

Hi, I am Johnvhel Arellano

3 D W e b G I S D e v e l o p e r

Specialized in CesiumJS | Potree | QGIS | ArcGIS

Highly experienced GIS Developer with over 8 years of expertise in 3D web GIS platforms, spatial data analysis, and geospatial application development. Proficient in CesiumJS, Potree, ArcGIS, QGIS, and Python, with a strong background in geodatabase management, remote sensing, and cartography. Proven ability to design and implement innovative GIS solutions that enhance decision-making, optimize workflows, and improve operational efficiency. Adept at managing large-scale geospatial datasets and collaborating with cross-functional teams to deliver impactful results.

skills

Three.js

95%

CesiumJS

95%

React.js

95%

C/C++

75%

Angular.js

70%

Vue.js

85%

Python

70%

PHP

95%

SERVICES

3D Web GIS Development

8 years of experience in 3D Web GIS development.
- Extensive skills in Three.js, WebGL, CesiumJS and Potree - Strong HTML + CSS, SCSS, Tailwind CSS, TypeScript
- Node.js, express, hapi, Nest
- React, Redux, React Hooks, Next, React Native
- Apollo, GraphQL, Firebase
- MongoDB, mongoose, postgreSQL, MySQL
- ArcGIS, qGIS
- Responsive Web design
- Chrome extension, bot development with NodeJS and Python
- Restful, API integration, headless
- Socket programming, socket.io, websocket
- AWS services, Git, Bitbucket
- Jira, Agile

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3D Animations

I'm very proficient in 3D Animation development as I have got an artistic eye for design.
- 3D Animation with Three.js and WebGL
- Graphic animation with Canvas
- SVG graphic animation design
- parallx scroll animation
- ParticlesJS, GreenSockJS and so on.

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Blockchain Development

I have been working as a Blockchain developer for 4 years.
Mostly work as a Blockchain Fronend Developer.
- React + Web3JS, React + EthersJS
- Smart Contract, Solidity, Rust
- Ethereum, Solana
- NFT mint, NFT marketplace
- Discord & Telegram NFT Bot
- Binance, Cryptocurrency

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