Andrei is available for hire

Andrei Tara

Verified Expert in Engineering

Software Developer

Location

Sibiu, Romania

Toptal Member Since

January 29, 2014

Andrei has built enterprise-level applications for 5+ years used by top companies like Siemens, Volkswagen, AVL, and NXP semiconductors. He excels at building great applications with flexible architectures regardless of technology and technical stack. Currently, he is the founder and owner of TransylvaniaLabs, where he develops custom intelligent solutions that brings real value to the customers.

PHP Java Enterprise Java Beans (EJB) 3 JBoss Seam Java EE JBoss Hibernate Spring Boot C#AngularJS jQuery Blockchain Blockchain Platforms IBM Db2 MySQL Sencha

Portfolio

Transylvania Labs

Amazon Web Services (AWS), WordPress, Android, Swift 3, iOS, Java, Angular...

Paragon Creations, Ltd. (via Toptal)

Angular, JPA, Microsoft SQL Server, Hibernate, Quartz, Spring Boot, Spring MVC...

Government Connect (via Toptal)

Firebase, Spring Boot, Ionic 3, Angular

Experience

Java - 6 years PHP - 6 years Java EE - 5 years JavaScript - 4 years Laravel 5 - 3 years Blockchain - 1 year Blockchain Platforms - 1 year

Availability

Part-time

Preferred Environment

Subversion (SVN), Git, Visual Studio, PhpStorm, Eclipse

The most amazing...

...thing I've coded is a small army of crawlers used to gather and classify information of user perception and feelings about a social media event.

Work Experience

Founder & Software Architect

2015 - PRESENT

Transylvania Labs

Created a web-based B2B portal used by companies across Germany to trade goods and services on high-volume sales.
Implemented a web-based micro-financing platform and Android app used to provide better loans for everyday people in Indonesia.
Created an iOS application used to track user data consumption and propose better plans for their phones.
Developed a WordPress platform used by users in Australia to find the best phone plans.
Created an AI conversational chatbot for retail used to help users find the best fitting products.
Created a web-based platform that allows users to create and share their unique traveling experience and visited objectives.
Created an iOS school attendance application used by parents and teachers from US.

Technologies: Amazon Web Services (AWS), WordPress, Android, Swift 3, iOS, Java, Angular, Node.js, Laravel

Java Back-end Developer

2018 - 2019

Paragon Creations, Ltd. (via Toptal)

Implemented a food industry application used to manage recipes in an enterprise context.
Created back-end REST API endpoints.

Technologies: Angular, JPA, Microsoft SQL Server, Hibernate, Quartz, Spring Boot, Spring MVC, Java

Ionic Developer

2018 - 2018

Government Connect (via Toptal)

Implemented a secure chat application to be used in government.
Implemented a P2P encryption layer for the messages.
Created a back-end on Firebase.

Technologies: Firebase, Spring Boot, Ionic 3, Angular

eCommerce Developer

2017 - 2018

TeePublic (via Toptal)

Created a multi-task project designed to upgrade a custom-built PHP eCommerce application.

Technologies: Amazon Web Services (AWS), Docker, SSL, MongoDB, MySQL, LAMP, PHP

Core Developer

2017 - 2018

Elrond Network

Researched and developed on the world’s first high throughput blockchain platform implementing adaptive state sharding and secure proof of stake.

Technologies: Sharding, Adaptive, Blockchain

Supply Chain Management Application Developer

2012 - 2017

Paradine Development

Developed a supply chain management business application using Java EE and DB2 on a JBoss application server.
Handled back-end development using SEAM, Hibernate, and EJB.
Handled front-end development using HTML, CSS, XML, JavaScript, and JSF.
Implemented complex business processes and rules over large data sets.

Technologies: JavaScript, Enterprise Java Beans (EJB), Hibernate, Java EE

Social Web Applications Developer

2011 - 2012

Mayabo

Developed social applications (like Facebook and Twitter) using PHP and MySQL.
Developed, migrated, and deployed web applications on Amazon AWS cloud infrastructure.
Handled front-end development using HTML, CSS, XML, and JavaScript.
Handled back-end development using Kohana and Zend.
Developed a Magento extension.

Technologies: Kohana, Zend Framework, JavaScript, PHP

Business Application Developer

2010 - 2011

Sotec

Developed Java and Python web applications under the Google App Engine platform.
Developed C# ASP.NET web applications under the Microsoft Windows Azure cloud.
Created front-end solutions using HTML, CSS, XML, and JavaScript.

Technologies: JavaScript, ASP.NET, C#, Python, Java

Experience

Eptos

A framework of software modules to set up product master data repositories. Product master data repositories are used for the development, maintenance, and publication of organization-wide multilingual and cross-system product master data.

Its main responsibility is modeling items according to the ISO29002, ontoML and eCl@ss connected to external systems (SAP, TeamCenter, etc.).

Tech stack: Jave EE, Hibernate, Seam, JBoss, WebSphere, JSF, Richfaces, Oracle, DB2, SOAP, REST, JAXB, Ant, JBoss cluster, Infinispan

BSC

An acquisition solution for industry.

Tech stack: PHP, Laravel 5, MySQL, HTML/CSS, Node.js

WhatBot

A Facebook bot used to assist users in the process of product purchasing.

Tech stack: PHP, WordPress, NLP, machine learning, Facebook API

Trailsofwonders

A travel website.

Tech stack: PHP, Laravel 5, MySQL, JavaScript, iQuery

Whooparoo

A social media sales accelerator platform that allows integration with eCommerce platforms (Magento and osCommerce) as well as monitoring and optimizing of the sale funnel.

Tech stack: PHP, Kohana, Facebook API, Twitter API, Magento, MySQL, Amazon AWS, Ubuntu

What Phone

A startup founded in 2012 meant to offer the best solutions for telephony subscriptions for users in Australia and the UK. It allows the user to make an informed decision assisted by an intelligent algorithm.

Tech stack: PHP, WordPress, MySQL, Amazon AWS, Ubuntu, Google Analytics API

Data Mining Rresearch Tool

A research tool used to study the network topology, user perception, and user feelings about a social media event.

Tech stack: Python, CouchDB, NLTK, and NetworkX

1locate

A mobile application seeking to connect users with nearby deals on restaurants and pubs.

Tech stack: JavaScript, Sencha Touch

maCouples

A social game where users can create tops of friends couples.

Tech stack: PHP, Kohana, MySQL, JavaScript, jQuery

Another Eight

A London-based fashion eCommerce solution.

Tech stack: PHP, Magento, HTML/CSS, MySQL, Amazon AWS, Ubuntu

Amahi Sync

A mobile application used to manage files on the Amahi private cloud platform.

Teach stack: Ruby, Ruby on Rails, JavasScript, Sencha Touch 2.0, Fedora

Simplified Google Maps Plugin

A WordPress plugin that allows users to easily create, administrate, and customize maps on a WordPress site.

Teach stack: Backbone, jQuery, jQueryUI, WordPress

Trakr

An iOS application that allows tracking of mobile data and voice consumption providing statistics and recommendations for appropriate telephony services.

Tech stack: iOS, Xcode, Swift 2, Objective-C

Pol-Ger

A desktop application used to manage the business process on a carrier company.

Tech stack: C#, WinForms, MS SQL Server, Crystal Reports

mSign

A mobile iOS application used to track the students attendance history.

Tech stack: HTML/CSS, AngularJS, Ionic Framework, Cordova

CEVA

An eCommerce solution used for vet pharmaceutical products.

Tech Stack: WooCommerce, WordPress, HTML/CSS

Education

2010 - 2012

Master's Degree in Computer Science

Lucian Blaga University - Sibiu, Romania

2006 - 2010

Bachelor's Degree in Computer Science

Lucian Blaga University - Sibiu, Romania

Skills

Libraries/APIs

jQuery, Node.js, Quartz

Tools

Eclipse IDE, PhpStorm, Visual Studio, Git, Subversion (SVN)

Frameworks

Spring Boot, JBoss Seam, Laravel 5, AngularJS, Hibernate, Seam, ASP.NET, Zend Framework, Kohana, Laravel, Angular, Ionic 3, Spring MVC, JPA, .NET 4, Android SDK, Sencha Touch

Languages

PHP, Java, C#, JavaScript, Python, Swift 3, Swift

Platforms

Blockchain, Blockchain Platforms, Java EE, JBoss, Eclipse, WordPress, Docker, Firebase, Amazon Web Services (AWS), Linux, Visual Studio 2016, iOS, Android, Oracle Database, LAMP

Storage

JBoss AS, MongoDB, Microsoft SQL Server, PostgreSQL, IBM Db2, Memcached, MySQL

Paradigms

Adaptive, Agile Software Development

Other

Enterprise Java Beans (EJB) 3, Sharding, SSL, Enterprise Java Beans (EJB)

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring