Sergey Hevoyan
Private message 
Offer work 
Kyiv,
Ukraine
available for hire
Rating
Language proficiency level
English: advanced
Skills and abilities
Programming
Mobile development
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App Development for Android
from 14 USD for hour
- Hybrid Mobile Apps
Portfolio
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Logotype
Logo Design
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The Bigboard
Print Design
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Package for Tea
Packaging and label design
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Illustration for Coverage
3D Modeling
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Cover of the catalogue
Print Design
Reviews and compliments on completed projects 20
19 January
113 USD
Android application
I want to leave a positive review about the developer's work. Everything was done professionally, with quality, and within the agreed deadlines. The developer paid close attention to all requirements, offered competent solutions, and brought the project to an excellent result. I definitely recommend collaborating.
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16 December 2025
45 USD
Java Android розробник для апдейту
Everything is always great. It's nice to work further.
| Personal | Response review
5 December 2025
23 USD
Java Android розробник. app bug fixing
Great job. We have been working together for a while now.
| Personal | Response review
29 November 2025
90 USD
Java Android developer. Android app bug fixing
Very professional and fast. Glad to collaborate. I will reach out again.
| Personal | Response review
24 November 2025
90 USD
Java Android розробник forgot password), 5 (report export), 6 (delete event)
Everything is great. Thank you for the work. Let's keep working.
| Personal | Response review
18 November 2025
113 USD
Java Android developer for the project.
Professionally executed work. It is clear that I am working with a developer who has extensive experience.
30 September 2025
256 USD
Life Tracker
I can recommend the developer. Everything was done according to the plan, looks as expected.
3 September 2025
23 USD
Fix the text recognition function - OCR
Everything is great, the task has been completed in full, I am satisfied with the result, I recommend for work.
27 August 2025
16 USD
Update the payment library Android mobile App
I am very satisfied with the work, helped to fix several additional issues in the application. I definitely recommend the performer for work!
4 November 2024
180 USD
Development of a mobile application on Android Studio for financial management
Everything is great, the project was completed successfully with a detailed explanation of everything. I recommend!!! I will reach out again in the future)
12 October 2024
113 USD
Develop a simple Android application
Sergiy did an excellent job with the task, everything was done in the best possible way, communication was easy and pleasant.
I hope to work with Sergiy again in the future.
4 September 2024
11 USD
Help with publishing the app in Play Store / App Store
Thank you very much, Sergey! Everything is great.
28 July 2024
5 USD
Changes in the program
As always, everything is excellent! I recommend for collaboration!
13 June 2024
23 USD
Create 1 page C# Xamarin Android
The project was excellently completed in a very short time. I recommend for cooperation!
20 May 2024
451 USD
Application EIT
Great performer. Fast, high-quality, reliable.
9 March 2024
79 USD
Developing app for Android
The project is done quickly and efficiently with a minimum number of rectangles.
30 January 2024
79 USD
Android Studio Project
Работа над разработкой приложения-планировщика на Android Studio была впечатляющей. Исполнитель продемонстрировал высокий уровень профессионализма и технической грамотности.
Во-первых, исполнитель эффективно использовал инструменты Android Studio, что позволило ему создать функциональное и привлекательное приложение. Он умело использовал редактор кода, эмулятор Android и другие инструменты, чтобы ускорить процесс разработки и улучшить качество продукта.
Во-вторых, исполнитель использовал язык программирования Java/Kotlin, что позволило ему создать безопасное и эффективное приложение. Он продемонстрировал глубокое понимание этого языка и его возможностей, что помогло ему избежать ошибок и улучшить производительность приложения.
В-третьих, исполнитель продемонстрировал отличные навыки решения проблем. Он был способен быстро и эффективно решать возникающие проблемы, что помогло ему сохранить высокий темп работы и обеспечить стабильность приложения.
В целом, работа исполнителя была великолепной. Он продемонстрировал высокий уровень технической грамотности, профессионализма и умения решать проблемы. Его работа над приложением-планировщиком на Android Studio является отличным примером качественной разработки программного обеспечения.
27 October 2014
0 USD
Creating one picture from several
The project was successfully completed. I liked the freelancer work.
26 June 2014
20 cups for Miralinx (3-1)
Great work. thank you. Good, executive author, text quality. We continue cooperation. I recommend.
16 June 2014
10 Articles for Miramistin. RAYT
Written quality and ECHA quickly, easy to read, practically no errors, complete compliance with the TZ. A good author. I hope to continue cooperation. I recommend it.