Helen Jullien

France

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Hourly Rate$15-25 / Hr
Total Earned$22303
Experience8 Years

Skills

HTML5
CSS3
JavaScript
jQuery
Ajax
Bootstrap
Foundation
UI / UX
React js
React Native
ANGULAR 2
ANGULAR 4
ANGULAR 1
Node js
Wordpress
PHP
MySql
Magento
Opencart
Shopify
Woocommerce
Laravel
Codeigniter
Object-oriented Programming (OOP)
SEO
SVG
C++
C#
Java
Python
Ruby
Jade
Web Developers
Software Developers
Software Engineer
Front-end developer
Back-end developer
.NET developer
Game Developer
3D Animator
Motion Graphics Designer
Mobile Developer
Designer
Mendix Developer
QA
Data science
Flutter
DotNET
Blockchain
XHTML
Vue.js
IoT
Augmented
GraphQL
Hadoop
Yii
Mern
VR
Software QA
Digital marketing
MATLAB
Powershell
Assembly
MQL4
Desktop
W3E
Delphi
PineScript
Metatrader
Binance
AutoHotkey
DAT
Icon
UAT
Data
Typography
Business card
Simplicity
Rchain
Vyper
Rholang
Erlang
CoffeeScript
Microsoft Access
CRO
Lisp
Shell
SAS
Code
Haskell
MODX
Perl
GO
Scala
Microsoft power BI
Network
Squarespace
Volusion
Big Cartel
Shopware
Ecwid
Webflow
Project management
Swift
Flutter Dart
Apache groovy
Clojure
Julia
Crystal
R
Fortran
COBOL
Elixir
Mongodb
PostgreSQL
OCaml
SQLite
Apache Cassandra

Full Stack Developer

I am a professional Full Stack and Web app Developer. I have been working for different organizations for more than 8 years in both front-end and back-end development. I also can design websites and develop different mobile apps. My skills are: HTML/CSS, JavaScript, PHP, Laravel, React JS;Git and Github, Web architecture; UI/UX, 2D and 3D design, Photoshop, Illustration;Python, Java, Spring, Hibernate, C#, C, C++, Swift, Ruby; MySQL, SQL, MongoDB, Orade, Microsoft SQL Server; eCommerce-Shopify, Woocommerce, Prestashop;CMS- Wordpress, Wix, Squarespace, Webflow; Data Structure and Algorithm;IDEs-VSCode, Intellij IDEA, NetBeans, Eclipse; Cloud platform-AWS, GCP, Azure; Notepad++. My target is to look for best and clear solutions to develop the app, so don’t hesitate to contact me.

Reviews

Need a React developer with strong experience in class-based development

August 12, 2020 - September 14, 2020

165 Hours | $21 / hr

Helen is excellent to work with and we highly recommend her. We felt fairly confident in knowing how much work our project was going to take, and she beat our time estimates and produced excellent work. She is highly skilled in React (what we needed), and is incredibly easy to work with, even with us all being in different time zones. She was excellent at communication. It has been a fabulous experience all around. We hope that if we have projects in the future, she will be available to work with us

Need Mobile app Developer

November 4, 2020 - November 30, 2020

142 Hours | $21 / hr

Helen did a great job on my app project built on React Native. Not only she fulfills the requirements, she also gives a lot of feedback and ideas for the app to go better. The foundation of the app was well built, make it easy to onboard more developers if needed to speed up the overall process. Highly recommended

Developer to create Bots for buying on online shops

February 7, 2021 - February 23, 2021

89 Hours | $20 / hr

Helen is very professional and confident developer, which utilises moderne technologies to achieve the target. She developed for us a Bot Management service with integrated bots to automate web shipping prozesses. It was really pleasure to work with her. She was always ready to help even if it was not her task. We want strongly recommend Helen, if you want really professional and fast work.

Migrate Wordpress Site

April 15, 2021 - May 13, 2021

157 Hours | $22 / hr

Helen did great work on this Wordpress migration. I enjoyed working with her. Amazing communication, timely response and professional skills. Helen is willing to go the extra mile and was very responsive and helpful. I enjoyed working with Helen and will certainly work with her again.

Developer to move custom posts from one site to another

August 21, 2021 - September 20, 2021

161 Hours | $22 / hr

Helen was a pleasure to work with - she's skilled at what she does and is a great professional! Highly recommended

Full Stack Flutter Developer for Web First Software Build

October 26, 2021 - November 18, 2021

128 Hours | $20 / hr

Helen has been a great hire. Very impressed with her work. Everything so far has been fantastic.

Need UI/UX Designer for new website

March 14, 2022 - March 29, 2022

91 Hours | $20 / hr

Helen was super helpful in understanding what we needed. She had all the skills we needed. The quality of the work was excellent. She was always available when needed and communicated clearly and openly. Super helpful. I would recommend her fully

Modification of React Next application

May 20, 2022 - June 11, 2022

135 Hours | $20 / hr

Great working with Helen. Debugged the code in addition to the assigned tasks. Responded super quick and completed everything a day after the requirements were finalised