Profile cover photo
You're now following
Error following user.
This user does not allow users to follow them.
You are already following this user.
Your membership plan only allows 0 follows. Upgrade here.
Successfully unfollowed
Error unfollowing user.
You have successfully recommended
Error recommending user.
Something went wrong. Please refresh the page and try again.
Email successfully verified.
User Avatar
$25 USD / hour
Flag of IRELAND
bray, ireland
$25 USD / hour
It's currently 5:03 PM here
Joined July 27, 2006
0 Recommendations

John O.

@johnosullivan

5.0 (53 reviews)
5.6
5.6
97%
97%
$25 USD / hour
Flag of IRELAND
bray, ireland
$25 USD / hour
93%
Jobs Completed
100%
On Budget
100%
On Time
15%
Repeat Hire Rate

Software Engineer

Software Engineer

Contact John O. about your job

Log in to discuss any details over chat.

Reviews

Changes saved
Showing 1 - 5 out of 50+ reviews
Filter reviews by:
5.0
$300.00 USD
One of the best freelancers I hired. Very smart and reliable. Recommended 100%
PHP
Python
Software Architecture
MySQL
Amazon Web Services
User Avatar
Flag of Vlad R.
@vlad307
•
6 years ago
5.0
$15.00 USD
Nice work
SQL
Software Architecture
Microsoft SQL Server
V
Flag of Bader S.
@vw2159709vw
•
6 years ago
5.0
$20.00 USD
Excellent job!
PHP
Linux
MySQL
Database Administration
Database Programming
User Avatar
Flag of 1Easycommerce-New Jersey
@manager2015
•
6 years ago
5.0
$30.00 USD
Great professional expert. Good communicator and delivered on time.
SQL
Software Architecture
Windows Server
Microsoft SQL Server
Powershell
P
Flag of Pramod P.
@pramodgunner
•
6 years ago
5.0
$138.00 USD
Great - no issues. He understood the scope of the project and met it perfectly.
Powershell
Coding
J
Flag of Jon S.
@jon1919
•
6 years ago

Education

BSc Maths

Dublin Institute of Technology, Ireland 2012 - 2016
(4 years)

Qualifications

MCPS: Microsoft Certified Professional

Microsoft
2014
MCPS: Microsoft Certified Professional

MCTS: SQL Server 2008, Database Development

Microsoft
2014
MCTS: SQL Server 2008, Database Development

Contact John O. about your job

Log in to discuss any details over chat.

Verifications

Preferred Freelancer
Identity Verified
Payment Verified
Phone Verified
Email Verified
Facebook Connected

Certifications

us_eng_1.png US English 1 98%
SQL_1.png SQL 1 92%
html_1.png HTML 1 88%
java_1.png Java 1 88%
javascript_1.png JavaScript 1 80%
Previous User Next User
Invite sent successfully!
Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.