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$37 USD / hour
Flag of SERBIA
beograd, serbia
$37 USD / hour
It's currently 5:31 PM here
Joined November 7, 2020
3 Recommendations

Jovan K.

@jovandevelopero1

annual-level-three.svg
5.0 (10 reviews)
4.8
4.8
$37 USD / hour
Flag of SERBIA
beograd, serbia
$37 USD / hour
90%
Jobs Completed
100%
On Budget
100%
On Time
21%
Repeat Hire Rate

Senior Python/Blockchain/Javascript/PHP Developer

I have 9+ years of experience writing web apps that experience working on enterprise and startup projects. I am passionate about learning, expanding knowledge, building high quality software, and automation. I have extensive knowledge of front-end JavaScript and browser APIs as well as significant experience with popular frameworks and libraries like React and Vue. My deep full-stack experience includes Node.js and Express, MongoDB as well as more traditional technologies like PHP, and MySQL. 1) React/ React Native/ Flutter/ Firebase 2) Javascript and their frameworks(MERN, MEAN, MEVN, MESN) 3) Python 3.8 and 3.9 Web Frameworks- Flask, Django, FastAPI 4) Shopify/ Ecommerce / Laravel / Codeigniter 5) Three.js, D3.js, WebGL 6) API Intergration(payment gateway, google API Intergration, google map api) 7) Google Cloud Platform (AWS, ML-Engine, VISION API, Cloud Machine Learning Cloudstorage API, CloudSQL, datastore). 8) Database management( MongoDB, MySQL, noSQL, Oracle, PostgresSQL, MS SQL) I have also strong technical understanding of various blockchain, smart contract, solidity, ethereum, crypto currency, and web3.js. I develop Blockchain networks and applications using Hyperledger Fabric, automate network deployment using Ansible, write chaincodes in Solidity, and use ReactJS for Client Web Apps. ✔️ERC20 ETH & BSC Tokens, ICO ✔️NFT minting website, Smart contract, Generating NFT images ✔️NFT metaverse game ✔️Decentralized Exchange Platforms ✔️Crypto currency swap platform ✔️Coin bridge, Crypto lending platform ✔️P2P crypto exchange platform like localbitcoin ✔️Blockchain gambling ✔️Familiar with several networks: Solana, Polygon, Wax, Cardano, KCC If you work with me, I will give you the best results you can get and show your true creative ability to deliver on time and on budget, and your dreams will come true. W. Regards and thanks for visiting my profile.
Freelancer PHP Developers Serbia

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Portfolio Items

Frontend : React Native backend & db : Firebase
This app is an online dating service presented through a mobile phone application, often taking advantage of a smartphone's GPS location capabilities, always on-hand presence, and easy access to digital photo galleries and mobile wallets to enhance the traditional nature of online dating.
Dating APP
Frontend : React Native backend & db : Firebase
This app is an online dating service presented through a mobile phone application, often taking advantage of a smartphone's GPS location capabilities, always on-hand presence, and easy access to digital photo galleries and mobile wallets to enhance the traditional nature of online dating.
Dating APP
Frontend is Next and tailwindcss, backend is solidity, gateway is w3.js
A dark galaxy is a hypothesized galaxy with no, or very few, stars. They received their name because they have no visible stars, but may be detectable if they contain significant amounts of gas. Astronomers have long theorized the existence of dark galaxies, but there are no confirmed examples to date.
darkgalaxies
Frontend is Next and tailwindcss, backend is solidity, gateway is w3.js
A dark galaxy is a hypothesized galaxy with no, or very few, stars. They received their name because they have no visible stars, but may be detectable if they contain significant amounts of gas. Astronomers have long theorized the existence of dark galaxies, but there are no confirmed examples to date.
darkgalaxies
Frontend is Next and tailwindcss, backend is solidity, gateway is w3.js
A dark galaxy is a hypothesized galaxy with no, or very few, stars. They received their name because they have no visible stars, but may be detectable if they contain significant amounts of gas. Astronomers have long theorized the existence of dark galaxies, but there are no confirmed examples to date.
darkgalaxies
this website is design for Social Media Marketing. Thousands of new likes, automatically, within days!
SM conexion
This is selling store for drug. You can find drugstore nearby you to easy. This porject made by Larvavel and MS sql. I have done this project during 3 month from scratch.
https://programalongevidade.com.br/
This is selling store for drug. You can find drugstore nearby you to easy. This porject made by Larvavel and MS sql. I have done this project during 3 month from scratch.
https://programalongevidade.com.br/
This is selling store for drug. You can find drugstore nearby you to easy. This porject made by Larvavel and MS sql. I have done this project during 3 month from scratch.
https://programalongevidade.com.br/
This is selling store for drug. You can find drugstore nearby you to easy. This porject made by Larvavel and MS sql. I have done this project during 3 month from scratch.
https://programalongevidade.com.br/
Dynamic minting NFTs
Dynamic mint NFTs
Dynamic minting NFTs
Dynamic mint NFTs
mobile.cambira[android&ios]
mobile.cambira[android&ios]

Reviews

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Showing 1 - 5 out of 10 reviews
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5.0
$42.40 USD
Professional Developer. Excellent skills, great communication and very responsive! Will hire him soon.
PHP MySQL HTML5 HTML
+1 more
I
Flag of Ivanka G. @IvankaGalic311
5 months ago
5.0
$49.50 USD
Professional developer! He passed our exam and we will continue works. Very recommended.
JavaScript Python React.js Ember.js Typescript
I
Flag of Ivanka G. @IvankaGalic311
5 months ago
5.0
$400.00 USD
Jovan is great. He completed my job on time and with great skill. He took my feedback and made timely updates to the software. I want to work with him again in the future. He will not disappoint.
PHP JavaScript Python Web Scraping Software Architecture
C
Flag of Conley C. @carrcocarr
6 months ago
5.0
£25.00 GBP
Great working with you, I definitely work with in the future. thx very much
JavaScript React.js React.js Framework
User Avatar
Flag of Magic Productions Ltd @Hafidweb
6 months ago
5.0
$70.00 USD
Excellent freelancer. Worked extremely quickly and comprehensively. Started project immediately and provided a good standard of code. Would recommend.
PHP JavaScript Website Design MySQL HTML
G
Flag of Graeme M. @graememiller
10 months ago

Education

Bachelor

Belgrade University, Serbia 2006 - 2010
(4 years)

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Certifications

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Top Skills

PHP 5 JavaScript 5 HTML 5 MySQL 4 HTML5 3

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