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Sergey Valko

Reliable Plus owner
Offer Sergey to work on your next project.

Ukraine Kyiv, Ukraine
3 hours 6 minutes ago
Available for hire available for hire
10 Safe completed
23 days 15 hours ago
4 Clients
added 3 bids
registered for 2 years

Rating

Successful projects
100%
Average rating
9.98 of 10
Rating
1486
Web programming
HTML and CSS
7 projects
JavaScript
6 projects
Hybrid mobile apps
4 projects
Web programming
1 project
Application programming

Skills

Portfolio


  • 76 USD

    Product-Fit

    HTML and CSS
    Adaptive website for Figma Maket
    The stake:
    HTML and Pug
    CSS / SCSS
    Gulp
    by JS
    #Javascript #html #css
  • by CS.MONEY

    Website development
    Trade CS: GO skins
    Buy, sell, and trade skin easier and faster. All deals are secured with the highest level protection methods.

    Stack: Next.js, Is (testing), Mobx, Redux, Scss, Storybook
  • Autocool

    Web design
    Web and Mobile Design
  • 80 USD

    crud

    HTML and CSS
    HTML5, CSS3, Bootstrap 5, JS, React, Webpuck
  • Sales Site of Sushi (ReactJs)

    Web programming
    Creating a website on ReactJS:

Reviews and compliments on completed projects 10

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

23 March 434 USD
Mobile app front react native

Quality
Professionalism
Price
Availability
Terms

A great professional, we will work further.

5 March 289 USD
Do on react (write the layer to the backs) + correct error

Quality
Professionalism
Price
Availability
Terms

A very good man, I will definitely go again.

8 August 2023 53 USD
Multi-language processing in React Native

Quality
Professionalism
Price
Availability
Terms

I am very pleased to collaborate with the specialist!
Everything is clear in accordance with the requirements, quick execution of the routes and a quality, responsible approach.
I recommend everyone to cooperate!

5 August 2023 58 USD
Creation of site

Quality
Professionalism
Price
Availability
Terms

Everything was done in time, and very quality, listened to every wish, great young

2 August 2023 81 USD
Pricing

Quality
Professionalism
Price
Availability
Terms

Excellent quality of work!
The specialist once performed everything clearly on the TZ and succeeded in a short time. I am pleased with the collaboration, I recommend it to everyone!

26 July 2023 30 USD
Implementation of QR Scanner

Quality
Professionalism
Price
Availability
Terms

Great cooperation! Responsible execution! At which time he takes the task and performs in accordance with absolute quality.
I look forward to the professionalism of every collaboration and strongly recommend it to everyone!

26 July 2023 38 USD
Developing new components of the project on React Native

Quality
Professionalism
Price
Availability
Terms

Excellently performed task! In accordance with the terms and terms. I am pleased to work, I recommend work!

25 July 2023 30 USD
React Native QR Scanner

Quality
Professionalism
Price
Availability
Terms

I have worked with Sergey for a long time, I have not yet to doubt the professional approach of the specialist to each task.
Very good feedback and initiative participation in many decisions.
A person can be confident to a responsible project / difficult task and be confident in the quality result.
I recommend !

16 July 2023 38 USD
React Native QR Scanner

Quality
Professionalism
Price
Availability
Terms

I will notice that on the stock market for a long time, I work with a specialist for the first time.
I can really recommend Sergey. Despite the short deadlines from the moment of receipt of the order responsibly approached to its fulfillment. The work is done clearly according to quality and really short time!
I am very pleased with the start and hope to continue!

14 November 2022 25 USD
React Developer with Working Experience

Quality
Professionalism
Price
Availability
Terms

The executor is more than satisfied, has done everything, has clarified all the nuances, has also given advice on optimization, I will contact more.
I recommend to everyone.

Activity

  Recent proposals 10
Build a React Native application for iOS
21 USD
Freelance-project
63 USD
Freelance-project
Website layout according to the design.
508 USD
Freelance-project
119 USD
Freelance-project
305 USD
Freelance-project
Freelance-project
63 USD
Make a Lendos to Test the Product
51 USD
Freelance-project
102 USD