Graphic designers
Website designers
Mobile app developers
Software developers
3D artists
Illustration
Other popular skills
Working with international freelancers
Where to find the best developers
Do you need a local freelancer?
Building an international team
Featured jobs
Explore our current list of excited top featured projects.
Find contests
Unleash your talent and find freelancer contests to enter.
Website jobs
Graphic design jobs
Data entry jobs
Mobile app development jobs
Internet marketing jobs
Local jobs
Other popular jobs
Find work in different languages
Enterprise
Power your competitive advantage with Freelancer Enterprise.
Field Services
Deliver expertise anywhere in the world at scale - on demand.
AI for business
Let experts in the latest AI technology transform your business.
Freelancer products
Innovation Challenges
Turn challenges into breakthroughs with the largest innovation hub.
Freelancer API
Use the Freelancer API to access a cloud workforce of skilled freelancers.
Local jobs
Get help in any location, anywhere in the world.
Freelancer services
How it works
How to hire the perfect freelancer for your project
Get ideas
How to get started earning money freelancing
Resources
EXPLORE
4.1
4.1
89%
$50 USD / Hour
・
Switzerland (2:37 AM)
・
Joined on June 25, 2010
$50 USD / Hour
・
Hi, Client I am a software engineer with experience in building real-time event-driven applications, context-aware applications and web and mobile applications. I have a lot of experience in developing, supporting and maintaining complex, scalable web applications. Also I am a specialist in AI, ML, Computer Vision and Data Science. Because I mastered these fields when I was in university. The Most important thing for me is that I Love to hate missing the deadline and try to prefer 100%. Improve your business with me!!!
Verifications
On time
100%
On budget
100%
Accept rate
100%
Repeat hire rate
27%
Java Senior Developer with Automation Tests
Web developing(Angular JS)
Web developing(Angular JS)
Web developing (Laravel, Vue JS)
Front end development(React JS)
Front end developing(React JS)
Wordpress website
Java Senior Developer with Automation Tests
Web developing(Angular JS)
Web developing(Angular JS)
Web developing (Laravel, Vue JS)
Front end development(React JS)
Front end developing(React JS)
Wordpress website
Yan Z.
€80 EUR
The project is not completed according to the dispute
Share
Yan Z.
€145 EUR
great experience. would hire again.
Share
Knew more than anyone else i have worked with in the past and completed the job on time over a weekend for me last minute! His results were actually better than I was expecting. A true pro!!! He was very responsive during the process and I highly recomend him.
Share
Highly Recommend Developer, I have posted this project several times. But only this guy met my requirements perfectly. Design skill is good. I recommend Osvaldo. Will give 6 stars. Thanks +++++AAAAA+++++
Share
NTOS
$130 USD
Very good, thanks for your support
Share
Experience
Software Engineer Fullstack
Jun, 2015 - Jun, 2019
•
4 years
IHS Markit (USA Company in UK) Sr.
Jun, 2015 - Jun, 2019
•
4 years
I worked daily creating callbacks functions in JavaScript using intensely map, filter and reduce functions to manipulate data in MVVM pattern in pure JavaScript and also with Knockout framework. Also rewritten razor pages from old ASP net to C # MVC 5. I also held responsibilities to do code review from other developers and for monitoring the environments against break down, using Team City to track the raised problems and solve them. As TDD Selenium with .Net.
Jun, 2015 - Jun, 2019
•
4 years
Web development
Jun, 2012 - May, 2014
•
1 year, 11 months
Self employed
Jun, 2012 - May, 2014
•
1 year, 11 months
Building responsive web development Joomla, Wordpress, Drupal
Jun, 2012 - May, 2014
•
1 year, 11 months
Software Developer C#/Liferay J2EE
Nov, 2005 - Aug, 2011
•
5 years, 9 months
Carrefour Financial Group Sr.
Nov, 2005 - Aug, 2011
•
5 years, 9 months
Design and creation of new Interfaces and contracts for a new feature called Positive Credit Registration (Control of customer Scores) and new functionality called reinstatement of debt payments online (Liferay). The main responsibility was Re-Write WSDL rules, writing the contracts (classes and interfaces) for the TSYS Company, against updating thousands of Web Services transactions As TDD SOAP UI.
Nov, 2005 - Aug, 2011
•
5 years, 9 months
Education
Bachelor
2001 - 2005
•
4 years
United Kingdom
2001 - 2005
•
4 years
Freelancer
About
Terms
Partners
Apps
