Sergey Gerdel
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Sergey Gerdel

Java / PHP / Backend development / API / RESTful


Kyiv, Ukraine


3 years ago i started create API backend (fullrest and soap) system for mobile applications. Work with popular customers for b2b system. Last year i working with JAVA language and create api for one of the popular OTT platform in C.I.S. countries (protected NDA). I like Java for it static types and very nice performance. For example in php (one project) we created 20 servers but in Java - 3 servers. I am backend developer, I decided that i want develop backend api, multi service architecture projects. I don't like frontend coding (i like js html but it is not interested code ... morefor frontend). I have worked with many people on many projects. Got a lot of experience in web developing (php/mysql xhtml/css). I like coding on php and java, it is my life, hobby and business. I have worked with developer teams. I use powerful frameworks, code unit tests. Have a lot exp with many cms. less

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Name Score (out of 5) Time to Complete
Upwork Readiness Test for Independent Contractors and Company Managers 4.60 Above Average 18 mins

Work History

589 hours worked
2 jobs


More than 30 hrs/week


Phone Number: Verified

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