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$50 USD / hour
Flag of RUFlag of RU
$50 USD / hour
It's currently 8:08 PM here
Joined October 6, 2003
6 Recommendations

Sergey Alekseyevich I.

@SovDyn

monthly-level-three.svgpreferred-freelancer.svg
5.0
(127 reviews)
5.0
(127 reviews)
8.5
8.5
$50 USD / hour
Flag of RUFlag of RU
$50 USD / hour
99%
Jobs Completed
100%
On Budget
100%
On Time
25%
Repeat Hire Rate

Beyond simple coding

I have 15 years of experience implementing non-trivial solutions: machine learning, neural networks, artificial intelligence, genetic algorithms, distributed calculations, blockchain, 3D visualization, spatial algorithms, constructive solid geometry, volume sculpting, pattern recognition and more. I provide full implementation cycle for any software, including requirement analysis, coding, testing and deployment. Web development - HTML/CSS, Node.js, ReactJS, Wordpress, PHP. Mobile development - PWA, React Native. Game development (including mobile, AR/VR) - OpenGL, Unreal Engine 4. Desktop & Server software development - Java, C++ QT, CUDA. Machine learning projects - Python. DevOps in the clouds - AWS, GCP, Azure
Freelancer
PHP Developers
Russian Federation

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Portfolio Items

Web-based visual warehouse designer with data import/export features
Warehouse Designer
ERC20 smart contract with custom features and ICO control panel (programming only, no graphic design applied on screenshot).
ICO Scripts
Advanced data engine and API with visual ORM designer and client access UI.
Data Designer and Access API
Advanced spatial algorithm that optimally distributes large sets of cargo on platforms and inside containers. 3D visualisation module is also included.
Spatial Distribution Algorithm
Specific graph layout algorithm for one particular applied task.
Mercava Flowcharts
An innovative app that represents worldwide news on an interactive 3D globe.
Global Feed

Reviews

Changes saved
Showing 1 - 5 out of 50+ reviews
Filter reviews by: 5.0
$250.00 USD
Sergey is phenomenal and extremely professional. He did what he promised whatever it costs. On top of that, the final delivered product was flawless. Thank you, Sergey. Keep up your good work.
User Avatar
Flag of CN Guorong D. @dudu009
1 month ago
5.0
$640.00 USD
Fantastic Programmer- Understood my requirements well and did a great job
PHP
Website Design
SQL
MySQL
HTML
User Avatar
Flag of KE Jass K. @oyejass
2 months ago
5.0
$100.00 AUD
Outstanding. Delivered exactly what was expected. Great communication.
Website Design
Azure
Node.js
Express JS
OAuth
B
Flag of AU Benjamin B. @benmathtutoring3
3 months ago
5.0
$588.00 USD
Great working with him.
PHP
Linux
MySQL
HTML
Laravel
B
Flag of US Barbara H. @barbara15
3 years ago
5.0
$500.00 USD
Professional and works quickly. Effective problem solving. Fast turnaround on defect resolution. Easy to work with and a good communicator.
PHP
Java
Software Architecture
Software Testing
MySQL
Hire me
O
Flag of US Aharon P. @opventures
3 years ago

Qualifications

Microsoft Certified Trainer

Microsoft
2011
Officially trained local developers in Microsoft .NET and SQL Server technologies during the period of 2002-2011

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Verifications

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Certifications

php_1.png PHP 1 98% us_eng_1.png US English 1 95% preferredfreelancer-1.png Preferred Freelancer Program SLA 1 94% java_1.png Java 1 93% SQL_1.png SQL 1 93%

Top Skills

PHP
81
Software Architecture
65
MySQL
51
Java
32
Mobile App Development
18

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