Sergey K.

Sergey K.

Java and Python Developer

Ldn, United Kingdom

$30.00/hr

(4.86)

What's the difference
Overview

low latency high volumes data systems
nosql and bigdata
distributed calculations and machine learning
Derivatives pricing and risk models
FIX protocol
Exchange and clearing systems integrations
STP
low latency trade processing systems

Work History & Feedback

Seniour Java/J2EE developer with FIX

“We were very happy with Sergey's work and will definitely hire him again in the future.”
4.85
1,061 hrs @ $21.00/hr
Earned $23,072

OAuth Integration with Java

“Sergey did a nice job. He responded to a last minute request and delivered a prototype for the requirements within days. Very reliable.”
5.00
Fixed Price $56

Demo for Amazon Flexible Payments Service (Amazon FPS)

“Sergey completed all project objectives successfully and provided clear well-organized code. Very professional communication and effective support when we needed it fast.”
5.00
Fixed Price $457

Demo for Camel Dynamic Routing EIP

“A truly gifted & professional software engineer. This assignment entailed sophisticated technology and he delivered a clean elegant solution, on time and with excellent communication.”
5.00
Fixed Price $176

Senior Java Developer

No feedback given

180 hrs @ $30.00/hr
Earned $5,400

JAVA Servlet/Service

No feedback given

14 hrs @ $30.00/hr
Earned $405

Database server development

Job in progress

58 hrs @ $30.00/hr
Earned $1,730
Tests Taken
Name Percentile Score