Stanislav Zubritsky
Rating
Language proficiency level
Skills and abilities
Programming
-
AI & Machine Learning
from 67 USD for hour
-
Bot Development
from 56 USD for hour
-
Gaming Apps
from 56 USD for hour
Services
-
AI Consulting
from 56 USD for hour
-
Enterprise Resource Planning (ERP)
from 67 USD for hour
-
Payment Systems Integration
from 45 USD for hour
Mobile development
-
App Development for Android
from 39 USD for hour
-
Apps for iOS (iPhone and iPad)
from 39 USD for hour
-
Hybrid Mobile Apps
from 39 USD for hour
Outsourcing & consulting
-
Project Management
from 45 USD for hour
Translation
-
English
from 45 USD for hour
-
Text Translation
from 45 USD for hour
-
Ukrainian
from 45 USD for hour
Writing
-
Technical Documentation
from 45 USD for hour
Portfolio
-
3500 USD UDT Exam Tests — from zero to 10,000+ users
Hybrid Mobile AppsUDT Exam Tests — is a mobile application that I developed from scratch for the Polish company Operator Szkolenia, which specializes in training and preparation for UDT technical exams.
Task
The client approached with a specific request: to create a simple, user-friendly, effective mobile tool that would allow their students to prepare for the certification exam without the need for paper materials or third-party websites.
…
Solution
I independently designed and implemented the application on Flutter, adapted for Android and iOS. It allows:
Taking tests by categories
Analyzing results
Tracking preparation progress
The application is fully branded for the client, contains an official question database, and works offline.
Results
Published in Google Play and App Store
Over 10,000 downloads
High user engagement
Hundreds of positive reviews
Daily use by students of Operator Szkolenia company
-
2500 USD Big Foot
Gaming AppsLet's spend another weekend together, plunging into the atmosphere of action and horror from the Ukrainian game developer and publisher CyberLight Game Studio.We at Senika Group like to play cooperative games, but most of all - to participate in their development.This time, we developed art for the game #BigFoot for CyberLight Game Studio.In it our artists participated in the creation of modular building assets for various environmental locations.#BigFoot is a survival game set in endless forest spaces and the chance to hunt unsuspecting tourists.Try yourself as a hunter or a victim: the game modes give you the opportunity to choose.Save yourself or go on a rampage in the arms of the beast.Hide in buildings or set up a hot spot in them.But do not be mistaken, looking at the realism of the picture, - these massive walls will not save you from danger.Support our guys and relive these feelings with us in the new #BigFoot update, which will be released very soon.Let’s go together to spend the weekend, immersing in the atmosphere of action and horror from the Ukrainian developer and game creator CyberLight Game Studio.We in Senika Group really love to play in cooperative games, and above all - to participate in their development.This time we developed the art for the game #BigFoot from CyberLight Game Studio, in which our artists participated in creating modular assets of buildings for different locations around.#BigFoot is a game to survive in endless forest houses and the opportunity to become a hunter on unprotected tourists.Thinker or victim: game modes give you the opportunity to choose your role.Save yourself or go on the lease in the #BigFoot Circles Hide yourself in the buildings or install a firepoint in them, but don't catch the hills and don't think, looking at the realism of the picture that massive walls save you from danger.Support our guys and experience these feelings with us in the new #BigFoot update that will be released soon.Let’s go together to carry out a очередные выходные, immersed in the atmosphere of exhaust and horror from the Ukrainian developer and publisher of games CyberLight Game Studio.We in Senika Group really like to play in cooperative games, but most of all - to participate in their development.This time we developed art games #BigFoot for the company CyberLight Game Studio, in which our artists participated in the creation of modular assets built for different locations of the environment.#BigFoot is a game of survival on endless forest spaces and a chance to arrange the hunt for nothing-no-discussive tourists.Try yourself as a hunter or victim: the game modes give you the opportunity to choose.Rescue yourself or go to the rose in the arm of the beast.It is in the building or is a hot spot in it.But don’t mislead, looking at the realism of the picture, these massive walls won’t save you from danger.Support our kids and experience these feelings together with us in the new #BigFoot update, which will come out very soon.
-
1000 USD Interactive Presentation (VR)
Gaming AppsDevelopment, assembly and level setting for interactive presentation in VR in UE4.
Reviews and compliments on completed projects 59
22 March
49 USD
Flutter application for polygraph examiners - review of the technical specifications + budget assessment
Collaboration with Stas turned out to be extremely productive. I received deep technical expertise in Flutter architecture, data transmission protocols, storage models, and hardware integration. All questions were addressed clearly and substantively, without unnecessary fluff. Thanks to this consultation, the technical task received the necessary level of detail to engage developers. I recommend Stas as a reliable partner for complex technical projects.
![]()
10 March
574 USD
Technical Specification for the Website / Back Office of the Diving Center Network: Stage 1/4
A good performer, we continue to work.
![]()
4 March
770 USD
Project workspace for AR application enhancement (CMS+APP+Publish) (Stage 2.2)
This is the second year we are working with Stanislav and his team. I am satisfied with the results! Due to personal issues on my side, there have been significant delays. Thank you to Stanislav for his patience and waiting. As soon as the situation stabilizes, we will continue working!
![]()
| Personal | Response review
1 March
4000 USD
AroundU connect
Very professional and fast
18 February
557 USD
Ebay listing
I ordered a data export from the database to eBay! The difficulty was that it was necessary to add categories and create product descriptions and shipping rates, and all of this needed to be translated into Polish! I believe that Stanislav handled the task one hundred percent and even suggested how to do it better! Excellent work! Everything was correct with explanations, without fluff, and responsible! Thank you for the collaboration.
13 February
47 USD
Specialist for consultation on mobile application development
Thank you for the quality and professional consultation regarding the development of the mobile application. Stanislav answered all questions and provided constructive recommendations for the next steps in the project's implementation.
I recommend for collaboration)
![]()
9 July 2025
550 USD
Refinement of AR application (CMS+APP+Publish) (Stage 1.1)
The first stage of revisions has been completed in strict accordance with the technical specifications. We continue the work. Thank you for your cooperation!
![]()
| Personal | Response review
19 May 2025
22 USD
Development of the game demo version
I really liked the work done. Professionalism is felt literally from the first seconds of dialogue with Stanislav. Everything was done qualitatively and quickly. I recommend everyone to work with him)
9 May 2025
27 USD
Consultation on the development of a personal mobile game
I ordered a consultation on the development of a personalized mobile game. Got answers to all my questions, very competent specialist, I recommend!
![]()
1 May 2025
89 USD
Audit of the Back-end part of the application (with the possibility of further collaboration on improvements and bug fixes)
Thank you for the conducted audit. Promptly, detailed and understandable) Thank you for the cooperation. I recommend.
![]()
24 April 2025
101 USD
Development of functionality for a mobile application on Flutter
Collaboration with Stanislav was pleasant and effective. He completed the tasks responsibly, adhering to deadlines and technical requirements. Always in touch, responds quickly to feedback. I recommend!
![]()
17 March 2025
16 USD
Test screens - fitness app with gamification
It was a pleasure to collaborate, everything was quick and good!
![]()
17 September 2024
91 USD
Flutter developer
The developer responded quickly and even did more than we agreed upon, as I did not expect that there were problems in the code and the backend that the previous developer handed over to us.
2 July 2024
161 USD
Display application project in Play Store and App Store
Great cooperation. I recommend 100%.
![]()
22 June 2024
215 USD
Changes in the application
Great cooperation. Good and fast contact. Professional execution of work.
![]()
21 June 2024
1614 USD
Testy UDT
Best. Lots of patience and professionalism.
6 June 2024
788 USD
Unity 2D Game
Completely satisfied with the project and communication with the developers.
Contact team that responds well to requests.
23 February 2024
867 USD
Advancement of the AR application (Project 15.2)
Thank you to Stanislav and his team for the next successfully completed stage and for great improvements!
There is no doubt in the professionalism of the developers. I strongly recommend cooperation!
![]()
| Personal | Response review
19 February 2024
21 USD
Mobile Applications Consulting
The consultation is great. Everybody is pleased. I’ve told you a lot of faithful moments I have to think about.
thank you
![]()
7 February 2024
464 USD
Development of the AR application (Project 15)
Successfully incorporated the application. We continue our work...
![]()
| Personal | Response review
20 November 2023
151 USD
Development of the AR application (Project 14.1)
The stage was successfully completed! As always, it was a pleasure to work together.
![]()
| Personal | Response review
14 November 2023
715 USD
Development of documentation and scenarios for the game
Thank you for cooperation. I recommend Stanislav.
![]()
9 November 2023
274 USD
Development of the AR application (Project 13)
Professional approach, compliance with deadlines and clear compliance with requirements. I recommend !
![]()
| Personal | Response review
25 October 2023
275 USD
Development of the AR application (Project 12)
The stage was successfully completed! Excellent work, the result fully meets the expectations.
![]()
| Personal | Response review
19 September 2023
530 USD
AR application (Project 11)
The project was successfully completed! Thank you to Stanislav and all his team for the fruitful cooperation for 3 months. It is always pleasant to work with professionals.
![]()
| Personal | Response review
12 September 2023
571 USD
AR application (Project 10)
The application meets expectations, the work is done in accurate accordance with the plan!
All the comments were taken into account, also from the developers there was a lot of recordings and advice in the development process. I would like to point out a high level of responsibility and professionalism! Good developers with their vision, with whom it is pleasant to work and be on the same wave!
Thank you very much for a well-established project! We will definitely continue our collaboration on all the subsequent improvements of the application!
![]()
| Personal | Response review
8 September 2023
89 USD
The Project 02
The work was done greatly!
I will be happy to cooperate with this executive.
![]()
23 August 2023
533 USD
Quest Additional
The work was very successful and exceeded all the expectations. The work is done well despite the correction of the task. The colleagues are always in contact and ready to help with advice and advice. I will cooperate again.
![]()
22 August 2023
401 USD
Pre-working AR add-on
Very good work! Thank you ! Every moment was done very carefully and a lot of advice was given.
I will work again!
![]()
21 August 2023
489 USD
AR application (Project 9)
Great results, we continue to work!
![]()
| Personal | Response review
21 August 2023
326 USD
AR application (Project 8)
Great results, we continue to work!
![]()
| Personal | Response review
21 August 2023
489 USD
AR application (Project 7)
Great results, we continue to work!
![]()
| Personal | Response review
4 August 2023
189 USD
Level for mobile games.
Everything is done at the highest level, according to the plan and time. We are very happy and we will contact you in the future!
![]()
20 July 2023
490 USD
AR application (Project 6)
Great results, we are working on!
![]()
| Personal | Response review
20 July 2023
570 USD
AR application (Project 5)
Great results, we are working on!
![]()
| Personal | Response review
20 July 2023
570 USD
AR application (Project 4)
Great results, we are working on!
![]()
| Personal | Response review
8 July 2023
533 USD
Additional
Very good work of the team. Thank you for the successful collaboration. I recommend it.
![]()
5 July 2023
533 USD
Additional maps
Untouchable work.
Experts are always in contact and competent to answer questions.
I’m going to work again.
![]()
26 June 2023
570 USD
AR application (Project 3)
Thank you for cooperation. The result is, we continue to work.
![]()
| Personal | Response review
23 June 2023
570 USD
AR application (Project 2)
Thank you for cooperation, the result is, we continue to work.
![]()
| Personal | Response review
23 June 2023
529 USD
AR application (Project 1)
Thank you for cooperation, the result is, we continue to work.
![]()
| Personal | Response review
15 June 2023
533 USD
Design of Additional
Excellent work with timetables. I will work again.
![]()
6 June 2023
490 USD
The logic of gaming, the setting of animations, the interface, audio and effects.
Interest in the result is impressive!
![]()
6 June 2023
327 USD
Advertising and analysis settings, metrics and analytics, game balance
Fidelity at a high level!
![]()
25 May 2023
60 USD
Unity C# script
The work was done greatly!
I will be happy to cooperate with this executive.
![]()
15 March 2023
11 USD
Work with text (English) - personal project for Stanislav Zubritsky
Qualitative results, compliance with all conditions and pleasant communication. I recommend cooperation!
![]()
31 July 2022
223 USD
Mobile application for a children ' s book with AR graphics
Qualitative detailed fast work, good communication, with dedication to the idea of the project. A professional multiplayer team. All questions are faced. We continue to work on the second part of the project. I recommend it!
27 June 2022
31 USD
Unity Developer
Everything is great, fast and quality, I recommend.
17 June 2022
223 USD
UX/UI for mobile application
Everything was done quality and in time.
10 June 2022
395 USD
There's a "Fuck Lesson" game.
Everything according to agreement. The deadlines were delayed due to correction of many errors with advertising, but corrected quickly. Communication at a high level.
![]()
9 June 2022
69 USD
Game Development - Unity 3D
Everything is great, quality and fast, always happy to work.
15 February 2022
194 USD
The Secondary Process
The second project with the team. It was done quickly and quality.
18 January 2022
1563 USD
Unity Game - Stage #1
Everything is fine, the result is exactly what we expected. Quick, quality, without any problems. We will be happy to work again!
![]()
10 January 2022
34 USD
Анимация 3D моделей
Everything is great, fast and quality.
![]()
6 December 2021
194 USD
Разработка игры на Unity - #1
Все отлично, требования выполнены
![]()
3 December 2021
194 USD
Working with the VR Capture Asset on Unity3D - Remove the recording problem
The first project - the correction of bugs in the Unity application - was successfully completed and accurately in time. We continue cooperation!
4 October 2021
11 USD
The development of the hypercasual game on Unity
The boys young! Reasonable, with a good understanding of their affairs. It was easy and quick to accomplish a task that was very pleased.
Say that there is no rating of 10 out of 10? This is how you can evaluate your work this time.
I recommend their team to everyone.
27 September 2021
11 USD
Writing of Game Mechanics
I am very surprised by the contact and simplicity of communication with the Senika Group team.
As a mediator, I don’t understand the nuances of fulfilling the tasks, but the guys were always suggesting, commenting, and sometimes making suggestions themselves, creating a favourable working atmosphere.
Thank you very much for the work done.
Everyone who is looking for appropriate and professional executives. I recommend this team!
16 September 2021
74 USD
Sci-Fi weapons for ready blocking
In general, everything is fine. The guys were quite rapidly introducing the directions according to the comments from our art director.
![]()
| Response review
Winning contests 1
Activity
| Projects underway 1 | Budget | Added | Deadlines | Proposal | |
|---|---|---|---|---|---|
|
ТЗ для Сайта / Бэкофиса Сети Дайвинг центро: Этап 2/4
574 USD
|
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
|---|---|---|---|---|---|
|
Coursework on augmented reality
|
|||||
|
Flutter app + website
601 USD
|
|||||
|
Corrections in the mobile app (flutter)
134 USD
|
|||||
|
Game development
223 USD
|
|||||
|
Freelance project
601 USD
|
|||||
|
Freelance project
178 USD
|
|||||
|
Freelance project |
|||||
|
Freelance project
150 USD
|
|||||
|
Flutter application for polygraph examiners - review of the technical specifications + budget assessment
49 USD
|
|||||
|
Military facility
45 USD
|