Switch to English?
Yes
Переключитись на українську?
Так
Переключиться на русскую?
Да
Przełączyć się na polską?
Tak

Sergey Serdyuk

Offer Sergey to work on your next project.

Ukraine Kharkiv, Ukraine
4 days 3 hours ago
Temporarily not working temporarily not working
74 Safe completed
1 month 28 days ago
63 Clients
registered for 1 year
  • postgresql
  • jquery
  • composer
  • php-fpm
  • Vue.js
  • Apache/Nginx
  • php laravel

Rating

Successful projects
99%
Average rating
10 of 10
Rating
2661
PHP
Web programming
43 projects
Web programming
33 projects
PHP
10 projects
Databases
6 projects
JavaScript

Language Proficiency Level

Українська Українська: fluent
Русский Русский: advanced
English English: upper-intermediate

CV

Hello. I am a back-end developer with over 10 years of experience.

My main development language is php.

In my work, I use the Laravel framework, but it is also possible to work with other frameworks and CMS.


I also use the following languages, frameworks and technologies in my work:


DB: MySQL, PostgreSQL, Redis

Web servers: Apache, Nginx

Other: Javascript (Vue, jQuery, Native JS, Node.js)


My main operating system is Ubuntu linux, I also work with different versions of Windows.


What do I do in development?


- Creation of online stores, web applications, websites, APIs

- Setting up integrations with various APIs and systems (1C, various CRM systems)

- Refinement of existing projects

- Transfer sites to hosting/vps/server

- Site optimization

- Consultation on various issues related to web development

- Basic VPS/server setup

- Installation and basic configuration of server control panels (cPanel, ISPmanager, HestiaCP, VestaCP, BrainyCP, FastPanel and others)

- Other web development services


I will be glad to cooperate.

Skills

Programming

Administration

Portfolio


  • Adding English to the Website

    PHP
    On the site, developed using Laravel and Livewire, it was necessary to add Ukrainian language and make it language by order. The standard Laravel localization mechanism is used.
  • Correction of errors after changing hosting

    PHP
    The client addressed the problem that after hosting changes, API data ceased to update.
    A problem analysis was carried out, it was found that one of the parser modules needed to change the settings and enter the routes in the parser code. The work of the parcel is restored.
  • Fixing server errors

    Web programming
    The client reported the problem that the website pages stopped opening on the Yii2 framework. A hosting analysis was performed, changes were made to the LiteSpeed web server configuration, .htaccess files, and site configuration files. Work has been resumed.
  • Site integration with KeyCRM

    PHP
    Site integration on Laravel and S-Cart with the KeyCRM system - send orders to CRM, bilateral (site ->CRM and CRM->site) update of orders and new mail numbers

    #laravel #php #s-cart #web-programming #web-programming
  • Laravel-admin admin improvements

    PHP
    Dynamic side builder based on z-song/laravel-admin admin panel for the quest room website

    #laravel #php #laravel-admin #encore #encore/laravel-admin #z-song #Web programming #web programming
  • InteractiveDesign

    PHP
    Realised "micro-week" - sending applications to e-mail and telegram, logging failure sendings separately by channels (especially telegram, separately email) in CSV.
  • Shop of Elit.ua

    PHP
    Updated version of PHP (5.2 -> 8.0)
    Updated framework Yii
    - Correction of errors in the code and adaptation of the existing code to the new version of php

    - Updated version of PHP (5.2 -> 8.0)
    Updated Framework Yii
    - Removing errors in the code and adapting the existing code to the new php version
  • Arizzo - the online store of women's clothing

    PHP
    Complete implementation of the backend (laravel 8) + administrator-paneel of the site (encore/laravel-admin), automatic integration with 1C and CRM
  • Online store of radio components and electronic components

    PHP
    Fully implemented site backend (Laravel 9, Redis, Postgresql) + admin panel based on encore/laravel-admin.

    #laravel #php #redis #postgresql #vue #Vue.js #nginx #php-fpm #php8 #php8.1

Reviews and compliments on completed projects 71

29 December 2023 13 USD
Create a website for hosting

Quality
Professionalism
Price
Availability
Terms

Thank you very much for the work done well, all quickly and well.

23 October 2023 21 USD
The Dinoera 3

Quality
Professionalism
Price
Availability
Terms

For all parameters - 10 out of 10! Specially high professionalism and attractive cost.

24 September 2023 20 USD
Transfer the subdomain to the VPS server

Quality
Professionalism
Price
Availability
Terms

Sergey thank you for the work done! Specialist of the highest level !!The !
In addition to a high level as a specialist, Sergey can still understand the problem of the customer and offer the best solutions !!The !
I recommend !

20 September 2023 65 USD
The D-TAC Online Shop

Quality
Professionalism
Price
Availability
Terms

It’s not the first time I work with this executive, 5 out of 5, the work is done greatly.

Quality
Professionalism
Price
Availability
Terms

Thank you, the task is done.

3 September 2023 26 USD
Transfer of websites to a new host

Quality
Professionalism
Price
Availability
Terms

Thank you very much for your good work and your patience 😉

1 September 2023 130 USD
Developing a site based on a ready-made design and unfabricated site.

Quality
Professionalism
Price
Availability
Terms

He is truly a professional in his business. I quickly made an administrator for the site, suggested a lot of interesting solutions. It is 10/10.

Quality
Professionalism
Price
Availability
Terms

Thank you for the rapid work. Everything went quickly without any more questions.
I recommend cooperation. The developer was always in touch.

Quality
Professionalism
Price
Availability
Terms

He did everything quickly and quality, the real professional of his business.

Quality
Professionalism
Price
Availability
Terms

Everything is perfect. The task was not easy, the selection of a new server was difficult, tested a few, all this took time. Finally, everything went out greatly. In a week of communication only one pleasant impressions. I recommend it.

1 August 2023 13 USD
Put a drop on the site.

Quality
Professionalism
Price
Availability
Terms

I liked it quickly and clearly.)

Quality
Professionalism
Price
Availability
Terms

The work is done in time and quality.

11 July 2023 78 USD
Implement Multi-Language at Nutra-opt.com

Quality
Professionalism
Price
Availability
Terms

I work with Sergey for the second time, which I can say, quickly, quality, responsible. No problem with communication, a flexible expert enough, I recommend!

Quality
Professionalism
Price
Availability
Terms

Thank you for cooperation! Everything quickly and clearly.

Profile deleted | Safe Safe | Response feedback

30 June 2023 13 USD
Send form from the site to telegram

Quality
Professionalism
Price
Availability
Terms

A good specialist, everything quickly and without any extra shell. I recommend !

15 June 2023 13 USD
Contact with phpmailer

Quality
Professionalism
Price
Availability
Terms

It’s clear and fast. It is clear that a good specialist is in his direction. I recommend cooperation!

30 May 2023 13 USD
Package on Yii2

Quality
Professionalism
Price
Availability
Terms

Thank you Sergey for the fastest possible solution to the problem with the site on yii2.
A compassionate and responsible execution. I recommend)

30 May 2023 18 USD
Перестал обновляться прас по API после смены сервера

Quality
Professionalism
Price
Availability
Terms

In 10 minutes, the problem was solved, which caused the entire work of the site. A great specialist who knows his work.

25 May 2023 26 USD
Problems with Inods on hosting Ukraine.com.ua

Quality
Professionalism
Price
Availability
Terms

Everything is great. remained satisfied

Quality
Professionalism
Price
Availability
Terms

An incredibly communicating person and a specialist in his business! The problem has been corrected, as well as a modified system of messages from the lead-form of the site. I recommend this specialist to everyone!

17 May 2023 23 USD
Потрібен програміст для виконання задач по сайта на php

Quality
Professionalism
Price
Availability
Terms

A very good specialist. If you need a baker with knowledge and skills then I recommend that specialist. Everything is done quickly and efficiently.

17 May 2023 13 USD
Відредагувати текст та формат сповіщень листів на пошту з сайту

Quality
Professionalism
Price
Availability
Terms

It’s all fast and quality. + + + + + + +

16 May 2023 13 USD
Добавить код событий FB на сайт

Quality
Professionalism
Price
Availability
Terms

Qualitatively and quickly. I advise

11 May 2023 23 USD
Поднять сайт с бекапа на сервере

Quality
Professionalism
Price
Availability
Terms

Very quick and quality implementation of the project! Recommendation for cooperation

Quality
Professionalism
Price
Availability
Terms

He did everything quickly and with the repair.

13 April 2023 13 USD
Help from the survey on the English language website - personal project for Sergei Serdjuk

Quality
Professionalism
Price
Availability
Terms

Professional approach, quality result, rapidly. I recommend cooperation!

Quality
Professionalism
Price
Availability
Terms

Very satisfied with the work of Seregem his business, found the problem why it didn’t work, started working before I brought the money all fixed.
I recommend the work.

Quality
Professionalism
Price
Availability
Terms

Thank you for your work, everything is fast and quality! I recommend

Quality
Professionalism
Price
Availability
Terms

Very quickly and clearly, in accordance with the assigned task. I strongly recommend.

7 April 2023 17 USD
Integration of PHP with the KeyCRM CRM system

Quality
Professionalism
Price
Availability
Terms

This is not the first time I work with this programming.
Always on line, operational feedback, all projects are carried out without delay and correctly

28 March 2023 156 USD
Information on the Lavarel

Quality
Professionalism
Price
Availability
Terms

All is great
Made professionally and quality
I recommend

25 March 2023 13 USD
Parking of data

Quality
Professionalism
Price
Availability
Terms

It’s nice to deal with a professional.

22 March 2023 26 USD
Installation of Recovery.

Quality
Professionalism
Price
Availability
Terms

Thank you for work. The specialist knows his work well, is well oriented and can perform complex tasks.
Communicable, has experience with large projects. We wish growth and prosperity!

Profile deleted | Safe Safe | Response feedback

Quality
Professionalism
Price
Availability
Terms

Thank you Sergey for the work done!
Maximally efficiently and in a short time resolved the assigned task.

I highly recommend cooperation, the specialist fully understands what he does.

Quality
Professionalism
Price
Availability
Terms

The task was more difficult than expected. Sergey has done everything. and repaired. I recommend cooperation.

21 March 2023 16 USD
Restore the site

Quality
Professionalism
Price
Availability
Terms

Thank you very much for your cooperation, very quickly.

20 March 2023 52 USD
Screenshots based on PHP

Quality
Professionalism
Price
Availability
Terms

Thank you for your excellent work, I recommend it as an honest and reliable freelancer!

Quality
Professionalism
Price
Availability
Terms

Thank you very much. The work is done quickly and quality. They were constantly in the process of performing the work.

18 March 2023 130 USD
Доработки CRM

Quality
Professionalism
Price
Availability
Terms

It’s easy to find a common language, it’s well understood in the question of creating castoms for pleasant money and time! I recommend !

15 March 2023 13 USD
Transfer the site to a new hosting

Quality
Professionalism
Price
Availability
Terms

Thank you very much for helping, I recommend you to all!

21 February 2023 13 USD
Installing the Laravel script

Quality
Professionalism
Price
Availability
Terms

Thank you very much for cooperation. All superb

17 February 2023 52 USD
Configuration of GEOIR in PHP

Quality
Professionalism
Price
Availability
Terms

It came very quickly, that I didn’t even expect it.

17 February 2023 26 USD
Stabilization of long-term storage of goods in the IM basket

Quality
Professionalism
Price
Availability
Terms

In the circumstances in which this was realised, there is a positive result, thank you.

Quality
Professionalism
Price
Availability
Terms

Freelancer Sergey is very responsible, gives a few options as it can be done, deepen into the problem, performs clearly and quality. That is why I recommend.

9 February 2023 13 USD
Creating a DOP page

Quality
Professionalism
Price
Availability
Terms

Quality code, fast development. We have a pleasant collaboration with Sergio. If necessary, I will go on!

Quality
Professionalism
Price
Availability
Terms

Thank you for your help with PHP!

8 February 2023 13 USD
You need a PHP script to process xml.

Quality
Professionalism
Price
Availability
Terms

Everything quickly and professionally! Thank you for your work, I will contact you again.

Quality
Professionalism
Price
Availability
Terms

A good specialist, done quickly, repaired on request

7 February 2023 39 USD
Оптимізація сайту / покращення швидкості завантаження

Quality
Professionalism
Price
Availability
Terms

Everything is fine, fast, always in contact. I recommend cooperation!

4 February 2023 130 USD
Creation of CRM

Quality
Professionalism
Price
Availability
Terms

Золотой человек!
Все подскажет по теме, опыта у него прилично. На любой вопрос идет сразу 3 варианта его решения. Все оперативно, никаких кормлений завтраками и отмазками. Обращусь еще)

30 January 2023 13 USD
Working with a simple PHP script

Quality
Professionalism
Price
Availability
Terms

Everything is wonderful! Fast and high quality!

29 January 2023 16 USD
Transfer of WP to VPS server

Quality
Professionalism
Price
Availability
Terms

Quick and high-quality solution to the issue!
I will contact!

25 January 2023 261 USD
Panel admin on 3 sites

Quality
Professionalism
Price
Availability
Terms

Everything is done on the TZ, thank you Sergey for the work. We will work on this project.

25 January 2023 52 USD
Laravel Part 2

Quality
Professionalism
Price
Availability
Terms

Thank you Sergey for the work done.
Responsible and contacting execution.
He knows his work, I recommend him to cooperate.
I wish you more successful projects 🙂

13 January 2023 26 USD
Course work

Quality
Professionalism
Price
Availability
Terms

Everything was done at a high level. I answered quickly and consulted.
The most important thing is that the work is done and very quality, better cannot be. I recommend it!

13 January 2023 13 USD
Integration of the site with the CRM system through the API

Quality
Professionalism
Price
Availability
Terms

As always at the height, the specialist dealt with the task faster than the specified deadlines

16 December 2022 391 USD
Backend on Laravel Part 1

Quality
Professionalism
Price
Availability
Terms

A great specialist, active, contactful, initiative, responsible! I have done it before, we hope for further cooperation. 🙂
Of course, I recommend cooperation.

Quality
Professionalism
Price
Availability
Terms

Pleasantly surprised and very happy. The task was performed quickly, accurately and at a pleasant price. I strongly recommend it.)
I hope for further cooperation with you.

13 November 2022 10 USD
Installation of OS, Panels, Basic Configuration.

Quality
Professionalism
Price
Availability
Terms

I work with him for the second time. Everything was good. Recommendation

Quality
Professionalism
Price
Availability
Terms

He is really a professional. It works very quickly. I hope we can work together again in the future.

4 November 2022 8 USD
Implementation of the widget

Quality
Professionalism
Price
Availability
Terms

Everything is great, and as always professional, I recommend it!

Quality
Professionalism
Price
Availability
Terms

Everything is great, professional, found solutions for this setting, I recommend )

20 October 2022 10 USD
Placing an editor on the site

Quality
Professionalism
Price
Availability
Terms

Everything was done clearly and quickly.
Everything was done clearly and quickly.
Everything was done clearly and quickly.
Everything was done clearly and quickly.

Quality
Professionalism
Price
Availability
Terms

Very fast and without excessive conversations. Simple and well performed work. I recommend it!

Quality
Professionalism
Price
Availability
Terms

Thanks to the executive I quickly solved my problem, thank you!

12 October 2022 13 USD
Set the download from the site to Google Merchandise

Quality
Professionalism
Price
Availability
Terms

Strong professional, pleasant to work, quickly performed

4 October 2022 16 USD
Minor links to html/css/js

Quality
Professionalism
Price
Availability
Terms

Sergey is a great professional. It was pleasant to work with him. I hope to work on other projects again.

1 October 2022 5 USD
Fix SSL for the Hestia Panel

Quality
Professionalism
Price
Availability
Terms

They quickly and professionally resolved the issue of setting the Hestia and VPS consoles + some other fixes.

23 September 2022 21 USD
I need a Laravel designer.

Quality
Professionalism
Price
Availability
Terms

Everything is done well and in time!

22 September 2022 78 USD
Changing PHP version from 5.2 to 8.0

Quality
Professionalism
Price
Availability
Terms

Thank you for work! It is clear and according to the plan.

Quality
Professionalism
Price
Availability
Terms

My hand strongly. very strongly

Activity

  Recent proposals 10
Set the order form on the website
21 USD
Create a website in WordPress
13 USD
Create a website for hosting
13 USD
Make a Google Map on the Website
13 USD
Transfer the site to a new hosting
130 USD
Відновлення CRM системи з архіву
104 USD
OcStore
13 USD
Create a form in PHP
13 USD
Correction of HTTP ERROR 500 error on the Laravel framework
22 USD
Transfer of the site to another hosting
13 USD