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$35 USD / hour
Flag of SERBIA
$35 USD / hour
It's currently 5:37 PM here
Joined December 14, 2021
0 Recommendations

Nikola S.

@stefanovicn300

annual-level-three.svg
3.2 (5 reviews)
3.7
3.7
$35 USD / hour
Flag of SERBIA
$35 USD / hour
86%
Jobs Completed
29%
On Budget
38%
On Time
11%
Repeat Hire Rate

Professional Web and Mobile Developer.

I'm a Professional Web and Mobile Developer with 7+ years of experience in Blockchain, data science, desktop, mobile apps development. I have been building stable, optimized codes and writing documentation with creative developing methodology, high skill and team work. I'm working hard with flexible hours and don't hesitate to learn new technologies and enjoy challenge with passion. I can work with full-time or part-time for clients. also i can always communicate with clients and reply quickly. Blockchain developer - Token Building(ERC20, ERC721) based on blockchain(Ethereum, BSC, solana) - DEX, DeFi building(Fork unwip, pancakewap, sushiswap) - NFT Market Place on Ethereum, solana - Game development using smart contract. Mobile Application Developer • IPhone application development with Objective-C, Swift, React-native, Flutter. • Android application development with Java, Kotlin. Full Stack Web Developer - Javascript, PHP, HTML5, CSS3, Bootstrap4. - Java, spring boot, Hibernate, maven, gradle - JavaScript, Express, Node, React, Vue, Angular. - MERN stack Development - Php, Laravel, Yii, Wordpress. - Python, Django, Flask. - Asp.net, C#, .net core. - MySQL, MongoDB, PostgresSQL. - Firebase serverless Project. - AWS amplify, DevOps. -SEO, Yoast Data Science developer - data scraping, mining, analysis, visualization - Computer vision and OenCV - AI, machine learning, deep learning , natural processing, predictive analysis Desktop application develper - C, C++, C#, VB.net, Java, Python, UML, Design Pattern. - Windows application development with win32 sdk / mfc. - Linux application developement with qt. - MacOS application development with cocoa / Objective-c. - Reversing application with IDA, Ollydbg. I look forward to hearing from you!
Freelancer Python Developers Serbia

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Portfolio Items

Mobile App Development
Mobile App Development
Mobile App Development
Mobile App Development
React, Express, MongoDB, Node.js
I have rich experience of mern stack develoment.
MERN STACK DEVELOPMENT
React, Express, MongoDB, Node.js
I have rich experience of mern stack develoment.
MERN STACK DEVELOPMENT
React, Express, MongoDB, Node.js
I have rich experience of mern stack develoment.
MERN STACK DEVELOPMENT
built this website including backend with MERN stack from scratch.
React Website
Built this website with laravel + vue.js
Laravel + Vue Website
Built smart contract with solidity and integrated them with web3.js
front-end was built with react.js
NFT Marketplace
Built smart contract with solidity and integrated them with web3.js
front-end was built with react.js
NFT Marketplace

Reviews

Changes saved
Showing 1 - 5 out of 5 reviews
Filter reviews by: 2.4
$150.00 USD
Communication was challenging due to the time difference. The deliverable had an issue but it was promptly addressed by the freelancer.
Python Web Scraping
D
Flag of Debora F. @dfxx
1 month ago
1.8
$270.00 USD
He knows what to do, he's a good developer. but unfortunately didn't deliever the project. hope he gets better.
PHP JavaScript Website Design MySQL HTML
M
Flag of Muhammed B. @MbinSaeed
2 months ago
5.0
$100.00 USD
That is great! Strong recommend! He is an excellent developer. I will hire again in the future.
C Programming Java Python Software Architecture
+1 more
User Avatar
Flag of Vadim D. @vadimdamka
3 months ago
5.0
£60.00 GBP
An excellent person who does a great job, according to all indications. Recommended.
Python Software Testing Flow Charts
J
Flag of Jenny S. @Jenny570
5 months ago
5.0
£90.00 GBP
He is a great person, educated... and above all he tries to understand everything you need... I am sure that anyone would feel comfortable working with him...
C Programming Java UML Design JavaFX Software Architecture
J
Flag of Jenny S. @Jenny570
6 months ago

Experience

Blockchain Developer

MAINSTREAM
May 2021 - May 2022 (1 year)
experience in Blockchain, Ethereum, NFT, and TradingView Chart with modern, trend technology such as React, Vue, and Node.js.

Software Engineer

LotusFlare
Jan 2020 - Mar 2021 (1 year, 2 months)
- Work closely with app development team including project and product manager, developers and QA to determine problems, testing methods and best practices. - Played a key role in the development, improvement and operation of web-based software. Skills: HTML, CSS, Bootstrap, JavaScript, jQuery, ReactJS, Node and PHP Databases: MongoDB, SQL and PostgreSQL

Mobile App Developer

ZESIUM
Apr 2018 - Nov 2019 (1 year, 7 months)
Mobile App development experience. • IPhone application development with Objective-C, Swift, react-native, Flutter. • Android application development with Java, Kotlin.

Education

master degree

Belgrade University, Serbia 2014 - 2017
(3 years)

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Top Skills

Python 4 Java 3 Software Architecture 3 C Programming 2 MongoDB 2

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