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 $30 USD / hour
Flag of UKRAINE
c. ladyzhyn, ukraine
$30 USD / hour
It's currently 2:38 PM here
Joined August 24, 2021
1 Recommendation

Roman B.

@rbilozor

 4.9 (20 reviews)
5.2
5.2
$30 USD / hour
Flag of UKRAINE
c. ladyzhyn, ukraine
$30 USD / hour
90%
Jobs Completed
91%
On Budget
92%
On Time
11%
Repeat Hire Rate

React & Node & PHP & Mobile App developer

I am a CS graduate and a full stack developer with a wide range of skills. I have delivered performant solutions across the following domains: - Financial Trading - Applied Machine Learning - Web Development - Mobile Apps - Game Development Languages: C# | C/C++ | Python | Javascript/Typescript | Rust | PHP Frameworks: .NET | React | Next | Vue | Django | Flask | Express | Unity | Unreal | Laravel I highly prioritize clear communication and client satisfaction. I am a solo developer and work on every aspect of the project myself so you can rest assured you are directly interacting with me.
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Portfolio Items

This was a very interesting project for me. first, it started with no backend Arwes framework, my job was to create a responsive web design with it, add an image gallery, and create a responsive timeline. The next thing to do was to integrate Mailchimp, and after this integrate Wax and Paddle blockchain wallets
React Project(https://darkgalaxies.io)
This was a very interesting project for me. first, it started with no backend Arwes framework, my job was to create a responsive web design with it, add an image gallery, and create a responsive timeline. The next thing to do was to integrate Mailchimp, and after this integrate Wax and Paddle blockchain wallets
React Project(https://darkgalaxies.io)
This was a very interesting project for me. first, it started with no backend Arwes framework, my job was to create a responsive web design with it, add an image gallery, and create a responsive timeline. The next thing to do was to integrate Mailchimp, and after this integrate Wax and Paddle blockchain wallets
React Project(https://darkgalaxies.io)
Salonista is a platform where users can search and book their favorite salons around them. Shop owners can list their barbers and services in the app through a web dashboard. Barbers can manage their services, appointments, profile, availability and more. Users can manage their appointments, favorites, profile etc. https://apps.apple.com/pk/app/salonista-salon-booking-app/id1521804032
React Native project(https://apps.apple.com/pk/app/salonist)
Salonista is a platform where users can search and book their favorite salons around them. Shop owners can list their barbers and services in the app through a web dashboard. Barbers can manage their services, appointments, profile, availability and more. Users can manage their appointments, favorites, profile etc. https://apps.apple.com/pk/app/salonista-salon-booking-app/id1521804032
React Native project(https://apps.apple.com/pk/app/salonist)
Salonista is a platform where users can search and book their favorite salons around them. Shop owners can list their barbers and services in the app through a web dashboard. Barbers can manage their services, appointments, profile, availability and more. Users can manage their appointments, favorites, profile etc. https://apps.apple.com/pk/app/salonista-salon-booking-app/id1521804032
React Native project(https://apps.apple.com/pk/app/salonist)
Salonista is a platform where users can search and book their favorite salons around them. Shop owners can list their barbers and services in the app through a web dashboard. Barbers can manage their services, appointments, profile, availability and more. Users can manage their appointments, favorites, profile etc. https://apps.apple.com/pk/app/salonista-salon-booking-app/id1521804032
React Native project(https://apps.apple.com/pk/app/salonist)
Weather Forecast iOS/Android app. It had been written by React Native. - React Native - Integrating Weather API - Google AdMob
IOS development(https://apps.apple.com/us/app/weather-perfe)
Weather Forecast iOS/Android app. It had been written by React Native. - React Native - Integrating Weather API - Google AdMob
IOS development(https://apps.apple.com/us/app/weather-perfe)
Designed whole homepage based on provided designs.
Shopify project(https://www.funyshopper.com)
Designed whole homepage based on provided designs.
Shopify project(https://www.funyshopper.com)
I designed a landing page according to client requirement and used the logo colours in a full website also I gave the slider effect on the frontpage and client likes it very much I developed login functionalities, payment integration, Booking and info page and also customize the WordPress plugin for the booking page.
Responsive web design(https://www.pampherlux.com)
I designed a landing page according to client requirement and used the logo colours in a full website also I gave the slider effect on the frontpage and client likes it very much I developed login functionalities, payment integration, Booking and info page and also customize the WordPress plugin for the booking page.
Responsive web design(https://www.pampherlux.com)
I designed a landing page according to client requirement and used the logo colours in a full website also I gave the slider effect on the frontpage and client likes it very much I developed login functionalities, payment integration, Booking and info page and also customize the WordPress plugin for the booking page.
Responsive web design(https://www.pampherlux.com)
Development of the media library about Ellen Gould White and the Seventh-day Adventist Church. Key features: • Online viewer of PDF-files • Storing files on Selectel storage • Dashboard for managing content and search information • Advanced search, which works as a Single Page Application and includes: – Complicated system of filters and sorters – Availability of making search in pdf files with highlighting – Using many types of viewers based on type of content (pdf, audio, images, etc.) • Custom audio player • Machine book’s translations via Google API
Laravel+Vue project (https://ellenwhite.org)
Development of the media library about Ellen Gould White and the Seventh-day Adventist Church. Key features: • Online viewer of PDF-files • Storing files on Selectel storage • Dashboard for managing content and search information • Advanced search, which works as a Single Page Application and includes: – Complicated system of filters and sorters – Availability of making search in pdf files with highlighting – Using many types of viewers based on type of content (pdf, audio, images, etc.) • Custom audio player • Machine book’s translations via Google API
Laravel+Vue project (https://ellenwhite.org)

Reviews

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Showing 1 - 5 out of 20 reviews
Filter reviews by: 5.0
$200.00 USD
BrowserQuest Open Source HTML5 Game Setup -- 3
Did his job very quickly. Very happy to work again :)
PHP JavaScript HTML5 Web Hosting Game Development
User Avatar
Flag of Mikail D. @Dobro92
•
9 months ago 5.0
$300.00 USD
Win and Win Website -- 2
Great work with Roman and his follow up and update with me daily.
PHP JavaScript Website Design Graphic Design HTML
M
Flag of Ahmed A. @misternaqbi
•
10 months ago 5.0
$170.00 USD
Maquetador o diseñador WEB para casino
Excellent work and of good quality, delivered in the agreed terms
JavaScript Website Design CSS HTML5 HTML
User Avatar
Flag of Diego M. @gowticsas
•
10 months ago 4.6
$1,000.00 USD
Criação de tela com tabela (grid) com 10mil+ registros, sendo cada célula um componente
Roman tem um ótimo conhecimento técnico em React e Node, as tecnologias que utilizamos no projeto e manteve sempre um canal aberto para entender às demandas e validar entregas.
JavaScript CSS HTML5 React.js
User Avatar
Flag of Emerson L. @emersonaredes
•
10 months ago 4.6
$40.00 USD
Develop 1 static page using Bootstrap 5 (design provided)
He can deliver amazing work within the expected deadline. Quality of work was superb as well, strongly recommend him
CSS HTML Bootstrap
User Avatar
Flag of Galactech L. @galactechlb
•
11 months ago

Experience

Senior Web/App developer

GEARHEART
Jan 2019 - Aug 2021 (2 years, 7 months)
● Built a hotel and travel booking websites using Laravel & Vue.js ● Built a Twilio chatbot using python ● Switched an old airhob API to new booking API and updated the Stripe payment API and webhook for booking payment system ● Built a betting sites from scratch. ● Built web app using React Native, Flutter and Lonic

Backend developer

TEPLIN
Feb 2017 - Nov 2018 (1 year, 9 months)
● Built a dating websites using Laravel and node.js ● Built a live chat module by using Express.js, Socket.io and React.js ● Built a shopping sites using Laravel, shopify and Wordpress

UX/UI designer/Frontend developer

SE7ENSKY frontend studio
Feb 2015 - Jan 2017 (1 year, 11 months)
● Building user-friendly web frontend using React.js, Vue.js, Angular and Next.js ● Implementing UX/UI to the responsive React.js, Vue.js, React Native frontend ● Performing Logo design, Landing page design, Figma design using Photoshop, Illustrator.

Education

Bachelor in Computer Science

Kyiv National Economics University, Ukraine 2011 - 2015
(4 years)

Qualifications

President's Young Scientists Grant

National Academy of Sciences of Ukraine
2012
This Award is given for the most perspective young scientists in different scientific directions annually.

The 1st prize as the best oral presentation at Signal Processing Symposium (SPSympo-2015, Poland)

Warsaw University of Technology
2015
The award is given for the best presentation of scientific results. Two papers of mine have won simultaneously: 1. Efficient Data Focusing and Trajectory Reconstruction in Airborne SAR systems 2. Robust Numper Plate Detector based on Stroke Width Transform and Neural Network

Publications

Multi-Look Stripmap SAR Processing Algorithm with Built-In Correction of Geometric Distortions

Proceedings of the European Conference on Synthetic Aperture Radar (EuSAR'2010)
An efficient time-domain algorithm for synthetic aperture radar (SAR) is proposed. The advantage of given method is an improved multi-look processing scheme with possibility to obtain the radar image not in ''radar coordinates', but directly on the ground plane.

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Certifications

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Top Skills

JavaScript 16 HTML 12 PHP 11 CSS 10 MySQL 8

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