Web development case studies

All the projects I’ve delivered are covered by non-disclosure agreements (NDA). I don’t publish my work publicly — for the security and confidentiality of my clients. So below you’ll find only descriptions of the work, without screenshots or links. Thank you for understanding.

Project 01

CRM for a manufacturing enterprise

Step-by-step planning of complex, multi-component production

I built a CRM for step-by-step planning of the production process, accounting for the interdependencies between departments and product lines. The system is used for daily planning, control, and tracking of complex, multi-component manufacturing.

  • Step-by-step planning that accounts for interdependencies between departments and product lines
  • Daily planning, control, and production tracking
  • Role-based access and a personal dashboard for every employee
  • Recording each specialist’s work results
  • Separate databases for tracking production processes and staff
CRMManufacturingPlanningTrackingUser dashboards
Project 02

Automated SEO platform

200+ site parameters under control with a built-in AI assistant

A custom platform for full control over promotion: from daily monitoring of every page’s source code to task management and integration with rank-tracking systems.

  • Full control over every page — daily change history of the source code
  • Dynamic, per-page, in-depth SEO analysis
  • Semantic core management
  • Rank tracking and integration with external monitoring systems
  • SEO task management: kanban, timeline, and other views
  • Site control and analysis across more than 200 parameters
  • Alerts about issues and errors
  • Built-in AI assistant for writing tags, texts, and analyzing pages
SEOAutomationAI assistantRank trackingAnalytics
Project 03

Web app and Telegram Mini App for copy trading

Instant trade copying via popular exchange APIs

A multifunctional application that combines several technologies for copy trading through the APIs of popular crypto exchanges, with access both from the web interface and via Telegram.

  • Copy trading via the APIs of popular exchanges
  • Instant order execution for all subscribers with no time lag
  • API key encryption, hardened security, and data integrity control
  • Telegram API integration — quick access through a bot and Mini App
Copy tradingExchange APIsReal-timeTelegram Mini AppSecurity
Project 04

Custom CRM for a meat producer

Production tracking, warehouse, document flow, and payroll

An industry-specific CRM for a particular production facility: from automatic payroll calculation based on completed volumes to online orders from counterparties and summary analytics for management.

  • Automatic payroll calculation for completed work volumes
  • Tracking of produced and sold goods
  • Warehouse accounting and product movement
  • Automated generation and printing of accompanying product documents
  • Tracking of employees, wages, and bonuses
  • Online orders from counterparties with automated intake and fulfillment
  • KPI and revenue analytics and summaries for management
CRMWarehousePayrollDocument flowKPI
Project 05

Online store with an integrated micro-CRM

A custom Drupal store with its own order-management CRM

Custom development of the store and programming of a CRM to track and process orders from both the store itself and offline points of sale. This is not WordPress with WooCommerce — the store is built on Drupal, and the CRM is a separate, fully custom development.

  • Custom store development on Drupal
  • A dedicated CRM for tracking and processing orders
  • Unified order handling from the online store and offline points of sale
  • Full control over functionality without the limits of off-the-shelf solutions
E-commerceMicro-CRMOrder trackingOnline + offlineCustom development
Project 06

Decentralized Web3.0 app on the Base network

True Web3 with no servers or hosting

An implementation of a complex, non-standard idea: all content is stored on IPFS nodes and managed through a master smart contract. Interface gamification and interaction with multiple contracts to record data — true Web3 with no servers or hosting.

  • All content stored on IPFS nodes
  • Managed through a master smart contract
  • Interaction with multiple contracts to record data
  • Interface gamification and a non-standard UX
  • True Web3 — no servers or hosting
Web3Smart contractsDecentralizationIPFSGamification
Project 07

Classic service aggregator

Requests, providers, ratings, and mapping in a single portal

A two-sided marketplace: providers register, customers create requests and choose a contractor, and an administrator oversees the whole process. All requests go only through the portal — provider contacts are revealed only after selection.

  • Provider registration and request creation by customers
  • Provider selection with full administrator oversight
  • Built-in rating system, reviews, and mapping
  • Personal provider profiles with a photo gallery and description
  • Requests only through the portal, with no contact details published until selection
Service marketplaceRatingsMappingReviewsModeration
Project 08

B2B collaboration and team augmentation

Strengthening teams and building the functional layer as a remote member

I join projects to strengthen teams and build the functional layer. I work as a remote team member: taking part in discussions, implementing complex third-party design solutions, and delivering both large modules and pinpoint micro-tasks.

  • Joining a project to strengthen the team and build the functional layer
  • Implementing complex third-party design solutions
  • Participating in project discussions as a remote team member
  • Integrating online payments with transaction and payment-gateway response logging
  • Building a backend for a specific task or problem
  • Coding the frontend from Figma designs
B2BWhite LabelRemote memberOutsourcingMicro-tasks
Project 09

Websites of varying complexity

Landing pages, corporate sites, stores, catalogs, blogs, and forums

Beyond the large systems — many simpler projects: landing pages, company sites, online stores, catalogs, blogs, forums, and more.

  • Landing pages and promo pages
  • Corporate and company websites
  • Online stores and catalogs
  • Blogs, forums, and content platforms
Landing pagesCorporate sitesStoresCatalogsBlogs & forums
Project 10

LIUPAG — my SaaS: an admin panel for websites

A LIUKIT product — manage any site’s content like a CMS, without its limits

LIUPAG is my own SaaS, and it’s constantly evolving. It’s a lightweight admin panel and file manager for static, exported, AI-generated, PHP, and custom-coded sites. It turns a plain HTML site into a manageable product with a built-in WYSIWYG editor, code editor, and SEO analyzer — as if you had a modern CMS, but without its limitations. The key principle: all data is stored only on the client’s server, and I have no access to it.

  • WYSIWYG page editor and code editor: HTML, CSS, JavaScript, XML, and even PHP
  • File manager: create, delete, move, upload, and download files and folders
  • Built-in image editor
  • Real-time SEO analysis right in the editor — errors and warnings visible even in drafts
  • sitemap.xml generator and full site analysis across key parameters
  • Drafts, versioning, and a backup-and-restore system
  • Data stored only on the client’s server — the panel is easy to install and remove
  • Automatic updates of the interface and features with no manual work
  • A fast React interface with async server communication, responsive on mobile
  • Commercial licenses and White Label for agencies and developers
SaaSAdmin panelWYSIWYGSEO analyzerWhite Label
Open LIUPAG

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Viktar Liukevich

About me

I'm Viktar Liukevich

Full-stack developer · 15+ years creating web

For over 15 years, I have been creating and growing web projects. Each one is a tailored solution with an individual approach - from the first discussion to launch and long-term support.
LIUKIT is my personal brand. I build websites, web applications, and automation systems hands-on - architecture, code, deployment, and maintenance. 300+ projects for clients across Europe, the UAE, and the USA.
No staff - when a project needs to move faster or scale up, I bring in trusted, highly specialized professionals. Every partner works under NDA. You still communicate with me directly, and I'm personally responsible for deadlines, quality, and the final result.
I'm from Belarus and currently live in Warsaw, Poland. I work with clients worldwide.
300+
Completed Projects
90+
Clients
10+
Partners

Advantages

  • 15+ years working for myself
  • Wide technology stack
  • Rapid development
  • Warranty and support
  • Global quality standards
  • Working with clients worldwide
  • Innovative technological solutions