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$25 USD / hour
Flag of CANADA
burlington, canada
$25 USD / hour
It's currently 6:32 PM here
Joined July 30, 2016
3 Recommendations

Denis P.


5.0 (57 reviews)
$25 USD / hour
Flag of CANADA
burlington, canada
$25 USD / hour
Jobs Completed
On Budget
On Time
Repeat Hire Rate

Software developer, Automation expert

I'm a software developer mainly for industrial automation with more than 10 years of experience. Over 8 years of experience Windows and Linux software development: C#, Java, JavaScript, Python, MySQL, MS SQL Server. Over 3 years of web programming - Node.JS, Angular Over 5 years of electronics design and programming - Arduino, Raspberry, ESP8266, smart home, IoT. Over 7 years of experience in Siemens PLC, HMI, and SCADA development: PCS7, CFC, SFC, LAD, SCL, WinCC Over 3 years of experience in Allen-Bradley PLC programming and Factory Talk View HMI and SCADA design. Microsoft Excel and office automation expert with a lot of experience in VBA scripting and advanced formulas. Have strong mathematical and scientific background.
Freelancer Software Architecture Developers Canada

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Portfolio Items

Web based SCADA from scratch
- Siemens Logo 8 programming
- Data server for communication between the PLC and MySQL database
- ASP.NET - authorization and MySQL database interface
- Angular Material JavaScript frontend
Web based SCADA
LCD Screen
PID speed regulator
Rotary position encoder
Speed controller
- Ionic mobile application
- NodeRed for Web services and hardware integration
- Slave devices - ESP8266, MQTT communication
Mobile application for home automation
- WiFi connected wearable device based on ESP8266. Sleep mode, low energy consumption. NeoPixel control. Web service client. Configuration via embedded web pages.
- Web service server. Java running on Raspberry Pi 3
- Android and iOS mobile application. Ionic, JavaScript. Web service client.
WiFi connected wearable device based on ESP8266
Java desktop application for Zoho CRM records management via API.
Zoho CRM API management.
Made from scratch in 1 month
- Realtime demonstration and archiving production data
- Data collection in PLCs with buffering
- C# service collecting data from the PLCs and storing to MS SQL Server
- .NET server backend
- Frontend UI - Javascript, jQuery, Angular, Chart
Web based MES System


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Showing 1 - 5 out of 50+ reviews
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$210.00 USD
Very professional and a pleasure to work with.
Electronics Microcontroller Electrical Engineering PCB Layout
Flag of Peter S. @aggogle
7 months ago
$290.00 USD
Denis is a very competent and have a wide range os skills and sets that help us clear how our project should be implemented. we are very satisfied with the work and definitely we recommend working with him.
C Programming Electronics Microcontroller Electrical Engineering Arduino
Flag of Mohamed B. @mohamedbahammou
2 years ago
$1,125.00 USD
Awesome Freelancer, Denis continues to exceed our expectations!
Java Linux Electronics
Flag of Donald B. @dbman16
2 years ago
$333.00 USD
Denis is a great programmer, he is responsive and reliable. His knowledge of both the software and related hardware makes him a great addition to our team. We will definitely continue to work with him in the future.
Java JavaScript Software Testing
Flag of Donald B. @dbman16
3 years ago
$277.00 CAD
Denis was an exceptional person to work with, the project had mechanical delays, none of which had to do with Denis and he was extremely patient and helpful in trying to overcome these obstacles that were outside his scope of the project.
C Programming Electronics Microcontroller Software Architecture Arduino
Flag of Mike T. @mikethouin
3 years ago

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Top Skills

Software Architecture 27 Excel 24 Visual Basic 16 Python 15 C# Programming 11

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