Ionut is available for hire

Ionut Cristian Paraschiv

Verified Expert in Engineering

Software Developer

Location

Bucharest, Romania

Toptal Member Since

October 22, 2016

Ionut is a tech enthusiast with an extensive background in software engineering. He started out creating servers and virtual machines as well as developing using Java and Oracle. Since then, he's co-founded 3angleTECH—working with Angular, Node.js, iOS (Objective-C/Swift), MongoDB, MySQL, and recently, Django and Rails. His focus is on creating quality iterative solutions that are easy-to-use—he loves designing everything from scratch.

Java SQL Agile Xcode MongoDB TypeScript Node.js Visual Studio Code (VS Code)RxJS WebLogic BPM Objective-C Swift MySQL Mocha

Portfolio

3angleTech

Ruby on Rails (RoR), Ruby, TypeScript, RxJS, Objective-C, Swift, Angular...

Advahoo

Oracle WebLogic Application Server, Objective-C, Activiti BPM, Jakarta EE

Asseco See Romania

Jakarta EE

Experience

Java - 6 years SQL - 6 years Swift - 4 years Objective-C - 4 years TypeScript - 3 years MongoDB - 3 years Node.js - 3 years Angular - 1 year

Availability

Part-time

Preferred Environment

GitLab, GitHub, Visual Studio Code (VS Code), Xcode

The most amazing...

...thing was developing NowYouSpeak—a collaborative mobile app for learning English.

Work Experience

Co-Founder | Software Engineer

2015 - PRESENT

3angleTech

Developed SmileExpert, a native iPad app written in Objective-C.
Implemented the system design and iOS app for NowYouSpeak, a collaborative app for learning English.
Created and implemented the system design for UnitPal, a web-based CMS for the hotel industry.
Supported and developed features for Loyalsnap (www.loyalsnap.com), a Ruby on Rails application.

Technologies: Ruby on Rails (RoR), Ruby, TypeScript, RxJS, Objective-C, Swift, Angular, AngularJS, MongoDB, Node.js

Multichannel Solution Architect

2011 - 2015

Advahoo

Setup the infrastructure for: Oracle VM, WebLogic, SOA, and MQ Configurations.
Integrated a BIRT Report Engine on the WebLogic platform and developed a custom module to support a report queue and a configurable number of thread workers.
Integrated an Activiti BPM Engine on the WebLogic platform and created an API to easily start, run, and test the status of the processes.
Developed a lot of BPM processed and reusable Managed Beans.
Built a native iOS mobile banking application written in Objective-C, where I implemented features such as: payment, direct debit, transfer, foreign exchange, OTP generator using Vasco DIGIPASS for Mobile SDK, standing order, and a market place. The app is currently in the App Store for a Romanian bank.

Technologies: Oracle WebLogic Application Server, Objective-C, Activiti BPM, Jakarta EE

J2EE Developer

2010 - 2011

Asseco See Romania

Developed a few model applications on the Oracle WebLogic platform and a download servlet used in production inside the CIP application at the National Bank of Romania (BNR).

Technologies: Jakarta EE

Experience

Mobile@YOU

This is a mobile banking application built for Porsche Bank Romania. I was responsible for building the iOS client, the server REST API, and the integration with the bank's core banking system.

Technologies employed: iOS, Objective C, iOS, J2EE, ADF Business Components, SOA (Activiti), REST (Jersey), JMS.

Allergy Food Finder

https://youtu.be/kcBpVtD-qUk

Allergy Food Finder is an iPhone application that uses social login to view restaurants by user typed tags.

Technologies employed: iOS, Objective-C, OAuth, Push Notifications, MongoDB, Node.js.

HourlyBase

A platform for the web, iOS, and Android used by professionals who want to hire or to get hired on a hourly base; the app features English and Arabic (right-to-left) languages. It was developed for the market in Saudi Arabia.

Technologies employed: Node.js, Angular, MongoDB, Hybrid iOS and Android apps, Push Notifications.

Smile Expert

Smile Expert is a native iPad application designed for dentists. It can be used to add patients to show them how they might look with new teeth. The app allows dentists to either import full teeth, or a single one from the tablet's library.

Technologies Employed: iOS, iPad Development, Objective-C, Core Image, Local Storage, Image Filters.

NowYouSpeak

NowYouSpeak is an app that helps you prepare effectively for the speaking section of English tests, such as the TOEFL. I've implemented the native iOS application and helped with creating the back-end architecture.

Technologies Employed: Native iOS, Swift, Node.js, MongoDB, Push Notifications, Facebook, Google, Twitter, OAuth.

UnitPal

https://youtu.be/mM28Vr8hG8Q

UnitPal is a property management system created for hotels to allow the management of daily activities such as bookings, invoices, and contains a revenue management module with yield management.

Technologies Employed: Node.js, MongoDB, Angular 2, TypeScript, RxJS, Mocha.

Skills

Languages

Java, SQL, TypeScript, JavaScript, Objective-C, Swift, Python, Ruby

Frameworks

Angular, Activiti BPM, AngularJS, Django, Ruby on Rails (RoR)

Libraries/APIs

RxJS, Node.js

Tools

Xcode, Mocha, GitHub, GitLab, Apache

Paradigms

Agile

Platforms

Oracle Database, Visual Studio Code (VS Code), Jakarta EE, Linux, NetBeans

Storage

MongoDB, MySQL

Other

WebLogic, BPM, Oracle WebLogic Application Server, GlassFish

Education

2014 - 2017

PhD in Artificial Intelligence

Politehnica University of Bucharest - Bucharest, Romania

2012 - 2014

Master's Degree in Internet Systems Engineering

Politehnica University Bucharest - Bucharest, Romania

2012 - 2013

Master's Degree in Data Mining

École polytechnique de l'université de Nantes et Université Lyon 2 - Nantes, France

2008 - 2012

Bachelor's Degree in Computer Engineering

Politehnica University Bucharest - Bucharest, Romania

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