Romeo Onisim, Developer in Sibiu, Romania
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Romeo Onisim

Verified Expert  in Engineering

Full-stack Developer

Sibiu, Romania
Toptal Member Since
February 12, 2019

Since 2011, Romeo has been making a living as a full-stack web developer. He's passionate about what he does and enjoys fast-paced, energetic environments that startups often have. Romeo builds things fast, loves to code, and thrives working alone and also within a team. The ideal types of projects that Romeo would like to work on are the ones with the most positive impact.


Code News
Git, MySQL, Laravel, PHP, Full-stack, CodeIgniter, JavaScript, CSS, HTML
Antena TV Group
Git, REST APIs, MySQL, Laravel, PHP, Full-stack, Lumen, Angular, JavaScript...
uVibe App
MySQL, PHP, React, JavaScript, CSS, HTML




Preferred Environment

Git, Sublime Text, MacOS, PHP, Laravel, MySQL, JavaScript

The most amazing...

...project I've built is a news app for programmers to stay up-to-date with their coding languages.

Work Experience


2019 - PRESENT
Code News
  • Created a REST API for our native applications in order to access the data from our database.
  • Developed an admin panel to manage all the entries and our users.
  • Enabled the hobs to automatically grab news from RSS sources and manipulate them into our database.
  • Implemented a way to receive money using Stripe SDK.
  • Split the work using multiple servers: one for the API and another for the processing side of the RSS sources.
  • Developed the front-end part of the website, the landing page.
Technologies: Git, MySQL, Laravel, PHP, Full-stack, CodeIgniter, JavaScript, CSS, HTML

Full-stack Web Developer

2016 - 2020
Antena TV Group
  • Coded on both the front-end and back-end side of web applications, including an API.
  • Implemented basic database duties, including database and code optimization for dealing with high traffic.
  • Fixed bugs, studied up on the latest technologies, and applied new things.
  • Enabled real estate agents to add their own ads from their CMS to our website through an API.
  • Created custom promotions bundles for users that separated the items by industry and type (such as real estate, automotive, jobs, and so on) into separated projects and also had them integrated seamlessly.
Technologies: Git, REST APIs, MySQL, Laravel, PHP, Full-stack, Lumen, Angular, JavaScript, CSS, HTML


2018 - 2019
uVibe App
  • Co-founded this startup along with some friends to solve our issue.
  • Developed the front-end side of the admin panel using React.
  • Built the back end by creating the API for the mobile app.
  • Worked with a lot of big data manipulation.
Technologies: MySQL, PHP, React, JavaScript, CSS, HTML

Full-stack Web Developer

2014 - 2016
  • Created features for the software download platform.
  • Coded an Angular-based front end of a download manager.
  • Developed features and an admin panel for an online travel agency.
  • Learned to created Google AdWords and Sheets Scripts.
Technologies: Git, MySQL, PHP, Full-stack, PhalconPHP, Zend Framework, Angular, JavaScript, CSS, HTML

Web Developer

2012 - 2014
  • Learned a lot of the basics of front-end and back-end development by building them.
  • Worked directly with multiple clients.
  • Developed projects both solo and in a team.
  • Worked with several frameworks and became familiar with working with MVC.
Technologies: MySQL, PHP, CodeIgniter, Linux, WordPress, Yii, jQuery, JavaScript, CSS, HTML

Web Developer

2011 - 2012
  • Learned the basics of front-end and back-end development.
  • Coded in PHP without any frameworks.
  • Developed with the jQuery framework.
  • Completed a couple of solo projects.
Technologies: MySQL, PHP, jQuery, JavaScript, CSS, HTML

CodeNews | News App for Developers with CMS
CodeNews is perfect for those who want a simple news web app to target either developers or other specific targets. The project was mainly created for importing news from different sources and publishing them on the web app. The web app supports importing news from valid RSS and Atom feeds and also from subreddits. The main audience for this web app consists of developers.

uVibe: Real Time City Guide

With uVibe, you can now check what’s happening in the best clubs, pubs, and restaurants around you, and you’ll be able to make the best decision based on real-time information! Either as a local or a tourist, get ready to have the best time with uVibe. | Classifieds Ads Platform
This is a classifieds ads platform where users can add the items they wish to sell/rent or offer a service. I mainly worked on the front-end side of the project but also did a bit of back-end development when launching new features. I also worked on a new API for the real estate agencies.

Travelgator | Online Travel Agency

This is an online travel agency where users can book their hotel room easily. I worked on the front- and back-end side of the project—mainly on the admin panel but also on the website and the API.

Soft32 | Software Download Platform
Soft32 is an online software platform that facilitates the distribution and sales of apps for Windows, Mac, and mobile. The platform now attracts more than 10 million visitors per month from all over the world, becoming one of the top web destinations in the world.

Computer Planet | Custom Computers eCommerce

Computer Planet is a UK-registered company and leading builder of custom PCs and workstations in the UK. Since 2007, they have shipped more than 50,000 computers to satisfied customers across the UK and Europe.


HTML, CSS, JavaScript, PHP


Laravel, Lumen, Ember.js, CodeIgniter, Zend Framework, PhalconPHP, Yii, Angular


Full-stack, PSD to HTML, Computer Science, Informatics


REST APIs, jQuery, React


Terminal, Git, Sublime Text, Adobe Photoshop


Agile Software Development


MacOS, Linux, WordPress


PostgreSQL, MySQL

2013 - 2015

Master's Degree in Computer Science

Lucian Blaga University of Sibiu - Sibiu, Romania

2010 - 2013

Bachelor's Degree in Computer Science

Lucian Blaga University of Sibiu - Sibiu, Romania

2006 - 2010

High School Diploma in Informatics

Economy High School - Râmnicu Vâlcea, Romania

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