Viktor B.
Private message 
Offer work 
Odessa,
Ukraine
available for hire
Rating
Language proficiency level
Українська: fluent
Русский: advanced
Skills and abilities
Programming
Administration
Outsourcing & consulting
Translation
Portfolio
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1158 USD Online clothing store
Optimization of performance and loading speed for the e-commerce platform onebyone.ua
The project focused on technical auditing and improving key metrics (Core Web Vitals) to enhance search rankings and improve user experience.
Key tasks and implemented solutions:
… Problem: Low LCP (Largest Contentful Paint) score due to a large number of unoptimized images and resource-intensive scripts on category pages.
Solution: Implementation of WebP technology for images and Lazy Loading for content below the first screen. Refactoring critical CSS styles and minimizing JavaScript bundles.
Problem: Long server response time (TTFB) during high load (sale periods).
Solution: Configuration and optimization of caching at the CDN level (e.g., Cloudflare) and optimization of database queries (if this is Back-end work).
Problem (Optional, if this is your specialization): Need for integration of a third-party service (e.g., a new loyalty system or delivery calculator).
Solution: Development of a reliable API interface for seamless synchronization of order and customer data with the external service.
Results:
Increase in LCP score (loading speed) by 35%.
Reduction in page loading time on mobile devices by 1.5-2 seconds.
Improvement of overall Core Web Vitals score to the green zone, positively impacting SEO.
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1425 USD Online clothing store
Online Stores & E-commerce
The store is built on the CMS Opencart, all necessary modules are installed: Nova Poshta, SEO modules, integration with CRM, etc.
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178 USD Online shop on OpenCart
Online Stores & E-commerce
Internet store on open card with the use of template, SEO optimization, installation of the necessary modules such as delivery, payment, import export goods, generation of feed under the site and site map.
Reviews and compliments on completed projects 5
10 April
271 USD
Create 2 websites on Opencart as a copy of the existing website.
Overall good.
Done what was agreed upon.
31 March
237 USD
Create 2 websites on OpenCart and fix duplicate products on another existing one.
We have slightly delayed the deadlines. Everything we agreed upon has been done. I continue to work further.
15 January
16 USD
Consultation on OpenCart
Super consultation, thank you!)
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4 April 2025
16 USD
SMTP mail configuration in OpenCart
Task completed, we are satisfied with the cooperation. We recommend!
31 January 2025
33 USD
OsStore 2.3 (500 error in admin panel)
Quickly and efficiently. Thank you.
Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
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Implementation of a technical SEO audit on OpenCart
178 USD
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Execution of work after SEO audit
334 USD
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Industrial Sewing Equipment Store
490 USD
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Restoration of the OpenCart 3 online store is needed.
267 USD
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Online shoe store
601 USD
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No applications are coming to TG ocStore (OpenCart)
38 USD
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It is necessary to implement the transfer of offline conversions from SalesDrive to Google Ads and Google Analytics.
445 USD
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Website optimization
89 USD
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Content creator. Electronics. Opencart
178 USD
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OpenCart — rental catalog of special equipment
223 USD
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