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Oleksii Mihaylov

Reliable Plus holder
Offer Oleksii work on your next project.

Ukraine Kharkiv, Ukraine
1 day 21 hours back
Available for hire available for hire
28 Safes completed
25 days 23 hours back
25 clients
2 proposals made
age 52 years
on the service 3 years

Rating

Successful projects
100%
Average rating
9.95 out of 10
Rating
4071
C & C++
4 place out of 1373
Desktop Apps
15 place out of 471
9 projects
Embedded Systems & Microcontrollers
8 projects
C & C++
3 projects
Object Design
3 projects
Engineering

Skills and abilities

Programming

Services

Mobile development


Administration

Portfolio


Reviews and compliments on completed projects 28

  • Real expert
  • Craft master
  • Quick answers
  • First-class quality
  • Nice communication
  • High responsibility
  • Great price
  • Lightning fast
Quality
Professionalism
Cost
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Deadlines

Extremely experienced specialist who knows their craft. I recommend collaboration, clean work, good feedback, excellent brainstorming, and understanding of the client and the project.

Quality
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Deadlines

Olexiy helped redo the board after the previous developer who disappeared. He completed the work very quickly - in just 3 days, while we had spent several months on it before. Everything was done well and without unnecessary questions. I recommend him for collaboration.

Quality
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I am very glad that I contacted Alexey. The work was completed in the shortest possible time and with understanding. I recommend for cooperation!

12 September 2025 339 USD
Development of firmware for ESP32

Quality
Professionalism
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Everything is fine, I am satisfied with the work.

15 May 2025 451 USD
Development of a printed circuit board (PCB). NMEA retransmission from GNSS receiver via Bluetooth/BLE

Quality
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Thank you Oleksii for the cooperation. Everything was done quickly and professionally. I will contact you again.

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The work was done lightning-fast) Very professional and with wise advice on the project. I recommend!

3 April 2025 451 USD
STM

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Everything is done according to the specifications, I recommend as a professional.

18 March 2025 45 USD
PlatformIO with STM32F303RET6

Quality
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Deadlines

The person knows what they are talking about! I am satisfied!

Quality
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Deadlines

Quickly, professionally, on time.

20 December 2023 68 USD
Парсінг, розрахунок контрольної суми.

Quality
Professionalism
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Deadlines

The task is carried out quickly in full volume. pleased with cooperation.

19 December 2023 45 USD
Parsing UART (STM32, Mbed)

Quality
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___________________________________________________________________________________________________________________

17 December 2023 68 USD
Solution 10 tasks on C++

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Deadlines

A good executor. I did everything in time, very quickly and efficiently.

3 November 2023 226 USD
Program Development (Slayer 3D Model)

Quality
Professionalism
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Deadlines

The professional, completely immersed in the solution of a non-trivial task and completed the project much faster than the scheduled deadlines. As a customer, I am pleased with the cooperation, I recommend and if there are other projects, I already know to whom to contact.

Quality
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Deadlines

Alexey solved a difficult task in a short time. He broke down in the code of another person written on the assembly, and made the necessary changes to me. Thank you ! I am pleased to cooperate!

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Deadlines

Excellent quality and fast implementation times.

Profile deleted | Safe Safe | Response review

Quality
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Deadlines

Very fast and quality.
a professional approach.
I will definitely address more.

Profile deleted | Safe Safe | Response review

Quality
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Deadlines

Everything is done quickly and well. I’ll go again.

30 July 2023 271 USD
Processing of Printed Payment

Quality
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Deadlines

Alexey performed everything timely, quality, at a good price. Easy to understand the task. I consulted. I recommend it. I’m going to get back again!)

27 June 2023 23 USD
Set up Open VPN

Quality
Professionalism
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Deadlines

Everything is done quickly and quality!

Mr Mr | Personal | Response review

25 June 2023 45 USD
Change an IP address to Linux (Ubuntu)

Quality
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Deadlines

Made at the highest level. Fast and quality. I strongly recommend cooperation!

Mr Mr | Personal | Response review

12 June 2023 497 USD
REST API и Websocket клиент для embedded девайса на С/C++ или Golang

Quality
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Deadlines

Alexey did everything faster than I expected and everything strictly according to the specifications. Very satisfied both in terms of communication and quality of work. Thank you !

Quality
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Everything is done as quickly and correctly as possible.
satisfied with work

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The work was done in time, everything was done as agreed and even more.

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Professional approach and quick implementation. The work was completed with 12 points out of 10 possible. I am very pleased and I will definitely address this executive again.
I recommend !

29 December 2022 11 USD
Help to gather data into a CSV file

Quality
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Everything was done quickly. thank you.

25 December 2022 45 USD
Starting Python script

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I can’t evaluate “quality of work” and “professionalism”. “Cost”, “Contact” and “Times” are in order.

5 December 2022 9 USD
The Microtik CHR

Quality
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I did everything quickly and well.
Recommend as a responsible manager.

3 December 2022 5 USD
Modernizing the script

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Deadlines

thank you. Helped to understand

Activity

  Latest proposals 10
Freelance project
451 USD
Freelance project
Freelance project
Freelance project
226 USD
Freelance project
Freelance project
Freelance project
45 USD
Freelance project
451 USD
Freelance project
25 USD
Freelance project
135 USD