DEV Community: Vladyslav Havrylevskyj

Tvorba e-shopu kórejskej kozmetiky

Vladyslav Havrylevskyj — Mon, 16 Feb 2026 16:42:32 +0000

Analýza trhu a ciele projektu

Slovenský trh kórejskej kozmetiky v rokoch 2024-2025 je vysoko konkurenčné prostredie s niekoľkými zakotvenými hráčmi. K-beauty prestala byť výklenkom: zákazníci dobre poznají kultové značky ako COSRX, Beauty of Joseon a ANUA, čo znamená, že konkurencia nejde o vzdelávanie publika, ale o jeho pozornosť.

Hlavnou úlohou projektu MoonSkin je vyniknúť medzi konkurentmi nie cenou, ale kvalitou užívateľskej skúsenosti. V podmienkach, keď má každý podobný sortiment, vyhrá ten, kto ponúka lepší vizuál, intuitívnejšiu navigáciu a maximálne optimalizovaný predajný lievik. Každé kliknutie, každá sekunda na stránke musí pracovať na konverzii.

Výber platformy: prečo Shopify

Pre vstup na konkurenčný trh bola zvolená platforma Shopify z niekoľkých dôvodov:

Rýchlosť vývoja pri zachovaní flexibility. Shopify umožňuje spustiť profesionálny obchod za 1,5 mesiaca namiesto 4-6 mesiacov vývoja naCustom riešení. Zároveň platforma poskytuje dostatok nástrojov na prispôsobenie vzhľadu a funkcionality.

Vstavaná bezpečnosť a spoľahlivý hosting. Shopify preberá otázky bezpečnosti, SSL certifikátov, zálohovania a aktualizácií. To je kritické pre e-commerce, kde od stability práce priamo závisia predaje.

Bohatý ekosystém aplikácií. V Shopify App Store sú dostupné tisíce hotových riešení na integráciu funkcionality — od systémov recenzií až po pokročilé odporúčacie systémy. To umožňuje rýchlo testovať hypotézy a škálovať projekt.

Možnosť vytvoriť vizuálne vynikajúci obchod. Shopify poskytuje výkonné nástroje na prácu s dizajnom, čo je obzvlášť dôležité pre beauty segment, kde vizuál predáva nie menej ako samotný produkt.

Stratégia zvyšovania priemernej hodnoty košíka

Jednou z kľúčových úloh projektu je maximalizovať priemernú hodnotu košíka každej objednávky. Na tento účel bol implementovaný komplexný systém upsell a cross-sell mechaník:

Odporúčané produkty na stránke produktu. Blok "Frequently bought together" zobrazuje produkty, ktoré zákazníci najčastejšie kupujú spolu s aktuálnym produktom. Napríklad k čistiacemu gélu COSRX sa odporúča toner alebo sérum z rovnakej línie. Zákazník vidí hotovú kombináciu a môže pridať všetky produkty do košíka jedným kliknutím.

Odporúčania v košíku. Pred dokončením objednávky sú zákazníkovi ponúknuté ďalšie produkty založené na obsahu jeho košíka. To je posledná príležitosť zvýšiť hodnotu košíka pred tým, ako klient prejde k platbe.

Progress bar pre bezplatnú dopravu. Vizuálna škála ukazuje, koľko ešte treba pridať do košíka, aby zákazník získal bezplatnú dopravu. Napríklad: "Pridajte produkty za €5, aby ste získali bezplatnú dopravu". To je silný psychologický spúšťač, ktorý motivuje zákazníka zvýšiť hodnotu košíka.

Systém darčekov pri dosiahnutí prahu. Okrem bezplatnej dopravy zákazníci získavajú darčeky pri objednávke na určitú sumu. Progress bar zobrazuje nielen prah dopravy, ale aj ďalšiu úroveň — získanie vzoriek alebo plnohodnotného darčeka. To vytvára efekt gamifikácie a stimuluje k nákupu.

Nástroje pre maximálnu konverziu

Každý prvok stránky pracuje na zvýšenie konverzie:

Product reviews. Integrovaný je systém recenzií s možnosťou pridania fotografií od zákazníkov. Skutočné fotografie výsledkov používania produktov sú jedným z najsilnejších faktorov pri rozhodovaní o kúpe, najmä v beauty segmente.

Vizuálne spúšťače dôvery. Na stránke sú umiestnené trust badges — ikony bezpečnej platby, politiky vrátenia, európskych štandardov kvality. Taktiež sa používajú počítadlá zostatku tovaru na sklade, ktoré vytvárajú efekt naliehavosti.

Vizuál a UX ako konkurenčná výhoda

V segmente kórejskej kozmetiky je vizuál nielen pekné obrázky, je to jazyk komunikácie s publikom.

Kvalitná vizualizácia produktov. Každý produkt je prezentovaný vo vysokej kvalite z viacerých uhlov. Obrázky prenášajú textúru produktu, jeho konzistenciu a balenie — zákazník môže vizuálne posúdiť tovar rovnako ako v offline obchode.

Minimalistický dizajn v štýle kórejskych značiek. Dizajn stránky je inšpirovaný estetikou K-beauty: čisté línie, veľa vzduchu, pastelové akcenty, dôraz na samotný produkt. To vytvára pocit prémiového charakteru a dôvery k značke.

Intuitívna navigácia. Štruktúra katalógu je premyslená tak, aby zákazník mohol nájsť produkt tromi rôznymi spôsobmi: podľa značky, podľa typu produktu alebo podľa problému pleti. To zohľadňuje rôzne scenáre používania stránky.

Mobile-first prístup. Viac ako 70% prevádzky v beauty segmente prichádza z mobilných zariadení. Stránka je vyvinutá s prioritou na mobilnú skúsenosť: veľké tlačidlá, pohodlné formuláre, rýchle načítanie obrázkov.

Výsledky projektu

Čas spustenia: 1,5 mesiaca od začiatku vývoja po plnohodnotné spustenie obchodu s kompletnou funkčnosťou.

Všetky implementované mechaniky pracujú v komplexe a vytvárajú ucelenú skúsenosť pre zákazníka — od prvej návštevy stránky až po opakované nákupy. Osobitná pozornosť venovaná detailom umožnila vytvoriť obchod, ktorý organicky zapadá do očakávaní slovenského publika od moderného internetového obchodu s kórejskou kozmetikou.

Záver

V podmienkach vysokej konkurencie na slovenskom trhu kórejskej kozmetiky víťazstvo prináša zameranie sa na detaily — od kvality vizuálneho obsahu až po každý mikroelement zvyšujúci konverziu.

Správna kombinácia možností Shopify a premyslených upsell mechaník umožnila vytvoriť obchod, ktorý nielen konkuruje, ale vyniká na pozadí ostatných hráčov trhu.

Kľúčový záver projektu: v e-commerce už nestačí len mať dobrý sortiment. Je potrebné vytvárať skúsenosť, ktorá robí proces nákupu príjemným, intuitívnym a výhodným pre zákazníka. Práve takýto prístup zabezpečuje udržateľný rast v dlhodobom horizonte.

STB Union — a fintech startup for money transfers from Israel abroad

Vladyslav Havrylevskyj — Thu, 20 Nov 2025 12:17:44 +0000

In today’s global world, more and more people in Israel face the need to send money abroad: some require regular transfers to family, others pay for studies, rent, medical expenses overseas, while some manage international business. In such cases, a service that allows fast, convenient, secure, and cost-effective transfers becomes especially valuable. One of these solutions is the fintech startup STB Union, a technological platform offering modern money transfers from Israel abroad.

STB Union’s fintech approach

STB Union has been operating on the market for more than 15 years, actively using next-generation technological solutions. The company focuses on making international financial operations simple and accessible to everyone. Today, it works with dozens of global financial partners and enables money transfers to approximately 150 countries around the world.

The main idea of the service is to combine the reliability of financial instruments with the convenience of digital technology. Therefore, the key element of the ecosystem is an innovative mobile application, which many users consider one of the most convenient and intuitive in Israel.

Innovative mobile application: convenience and technology

The STB Union mobile application is the result of modern development based on technological solutions such as React Native and Java infrastructure. It is not just an interface for transfers but a full-scale multi-currency financial tool.

The application allows users to:

make international transfers 24/7
choose a convenient receiving method: bank account, card, or cash pickup
control finances, view transaction history, and manage the card
use a multi-currency account (shekels, dollars, euros)
see the advantageous exchange rate and final amount in advance

One of the strong advantages is the simplicity and speed of use. To register, you need only an Israeli phone number and a passport. No complicated procedures: download the app, complete registration — and you can send money immediately.

Customer support in three languages

Understanding the multilingual nature of Israeli society, STB Union offers support in three main languages: Hebrew, Russian, and English.

This is especially important because financial questions require accuracy. A client can contact support through chat, phone call, or WhatsApp and receive a prompt response in a familiar language.

Transfers from Israel abroad: fast, convenient, and cost-effective

The core service of STB Union is money transfers from Israel abroad.

Users select the destination country, amount, and receiving method. The application immediately displays the rate, commission, and final amount — transparent and without hidden fees.

STB Union constantly emphasizes that it works with an advantageous exchange rate, displayed in real time. For many users, this is one of the most important factors — sometimes the exchange rate difference can significantly influence the final received amount.

The service has become popular thanks to its ease of use: any resident of Israel can complete a transfer in just a couple of minutes, even for the first time.

User reviews and reputation

STB Union has an active presence on Google Play and the App Store, where many reviews from real customers are available.

Many of them highlight:

the convenience of the mobile app
the speed of transfers
the favorable exchange rate
the quality of customer support
the transparency of conditions

Before using the service, it’s always useful to look at real opinions — they provide a clear picture of the practical experience with the platform.

Conclusion

STB Union is a modern fintech startup that makes money transfers from Israel abroad fast, convenient, and accessible.

The innovative mobile application, three-language support, advantageous exchange rate, simple registration, and wide transfer geography make the service an attractive solution both for private clients and for those who frequently engage in international financial operations.

If you need fast and convenient international transfers from Israel — STB Union definitely deserves attention.

Peekaping — a modern alternative for Uptime Kuma

Vladyslav Havrylevskyj — Tue, 11 Nov 2025 12:22:11 +0000

Peekaping — a modern alternative for Uptime Kuma

Uptime Kuma is one of the most popular tools for monitoring websites and servers with open source code.

It is simple, convenient, and perfectly suitable for home or small infrastructures.

However, it has limitations in scalability and flexibility.

If you are looking for a new alternative for Uptime Kuma, you should pay attention to Peekaping — a modern, high-performance, and extensible monitoring platform written in Go.

What is Peekaping — an alternative for Uptime Kuma with Go architecture and API-first approach

Peekaping is an open monitoring system focused on performance and extensibility.

It allows tracking the availability of websites, APIs, databases, message brokers, containers, and other services, providing flexible tools for notifications and status pages.

GitHub: Peekaping on GitHub
Documentation: Peekaping Docs

Peekaping is currently in beta version, but already offers rich functionality that surpasses Uptime Kuma in several areas.

Capabilities of Peekaping as an alternative for Uptime Kuma

Peekaping provides the full set of features expected from a modern monitoring solution:

Types of checks: HTTP/HTTPS, TCP, Ping, DNS, Docker containers, PostgreSQL, MySQL/MariaDB, MongoDB, Redis, Kafka, RabbitMQ, MQTT, SNMP, gRPC, and many more.
Notifications: Telegram, Slack, Discord, Signal, Email, Webhook, PagerDuty, Opsgenie, Grafana OnCall, Twilio, WhatsApp, Gotify, Pushover, and others.
Database support: SQLite, PostgreSQL, MongoDB.
Public status pages and SVG badges for visual display of service states.
Modern stack: Go on backend, React + TypeScript on frontend, live updates via WebSocket.
API-first architecture: the entire functionality is available through REST API, which opens the way to automation and integration.

Advantages of Peekaping as an alternative for Uptime Kuma

💡 Criterion	Peekaping	Uptime Kuma
Performance	Go — compiled language, minimal resources	Node.js — higher CPU and memory load
Architecture	API-first, modular	Monolithic
Data storage	SQLite, PostgreSQL, MongoDB	Only SQLite
Integrations and notifications	More than 20 channels, including enterprise ones	Fewer options
Monitoring types	Support for databases, brokers, containers	Mainly HTTP/TCP/DNS
UI/UX	React + TypeScript, modern interface	Vue.js
Scalability	Suitable for large installations	Optimal for small usage

Why Peekaping is a promising alternative for Uptime Kuma

Peekaping is oriented toward corporate scenarios and large infrastructures.

Its Go-based architecture ensures stability, high performance, and low resource consumption, and the ability to use different databases makes the solution flexible for integration into existing environments.

If Uptime Kuma fits well for a home server or a small project, then Peekaping can be seen as the next step — a more technological and scalable platform.

When it is worth choosing Peekaping as an alternative for Uptime Kuma

Choosing Peekaping will be justified if you need to:

Monitor many different systems (APIs, databases, message brokers, containers, etc.)
Deploy monitoring in a corporate environment
Integrate checks through REST API
Store data in PostgreSQL or MongoDB
Use a lightweight and fast Go server

When Uptime Kuma remains the best choice

Uptime Kuma still perfectly suits you if you are looking for:

A simple “out of the box” solution without complex settings
A reliable and time-tested tool
Support of a large community and ready-made guides
Minimal system requirements and easy installation

Result: Peekaping — a worthy alternative for Uptime Kuma

Peekaping is a young but promising tool that offers a more modern stack, powerful API, and flexibility in configuration.

It is created for those who want not just “to monitor uptime,” but to build a reliable and scalable observation system for the whole infrastructure.

If you are searching for a modern alternative for Uptime Kuma, try Peekaping — perhaps this is exactly the step forward you were looking for.

Introduction to the VoIP Solution for Flutter by SIPRIX

Vladyslav Havrylevskyj — Tue, 21 Oct 2025 14:27:29 +0000

Introduction to the VoIP Solution for Flutter by SIPRIX

Modern mobile and cross-platform applications increasingly require built-in voice and video communication. Implementing these features from scratch is not easy: it requires considering protocols, security, and connection stability. The company SIPRIX offers a ready-made solution — the VoIP SDK for Flutter, which allows developers to quickly integrate SIP calls, video communication, and conferencing into their applications without unnecessary technical complexity.

Capabilities of the VoIP SDK on Flutter

The VoIP SDK from SIPRIX provides a full set of tools for building professional communication services.

Among the main features are:

Support for Android, iOS, Windows, macOS, and Linux
Simultaneous operation with multiple SIP accounts
Concurrent calls and video conferences
Secure connections using TLS and SRTP encryption
Integration with any SIP providers and servers
Free trial mode without time limits (restriction only on call duration — 60 seconds)
One license for an unlimited number of applications and devices

These capabilities make the SDK a universal tool for implementing reliable VoIP communication in any project.

Advantages of Using the VoIP SDK for Flutter by SIPRIX

The main advantage of the VoIP platform from SIPRIX is its simplicity and speed of implementation. Developers do not need to delve into complex protocols and server configurations — the SDK handles all the technical details.

Key advantages

Cross-platform compatibility — A single Flutter codebase allows developers to create applications for all major operating systems.
High level of security — SIPRIX uses modern encryption standards to protect data and calls.
Scalability — Suitable for both small startups and large corporate communication systems.
Integration flexibility — Any SIP server can be connected, or a custom infrastructure can be used.
Convenient trial mode — The ability to test the SDK indefinitely before purchasing a license.

Use Cases of the VoIP SDK from SIPRIX

The VoIP SDK for Flutter by SIPRIX can be applied in a wide variety of scenarios:

Mobile communication apps – adding voice and video calls to messengers, social networks, or corporate chat platforms
Business applications – integrating calling functionality directly into CRM systems, customer support apps, or internal business tools
Call centers and support services – enabling inbound and outbound calls without the need for third-party solutions
IoT and smart home systems – enabling voice or video communication between devices, cameras, and users

Thanks to its flexible architecture and support for all platforms, the SDK easily adapts to any industry.

Licensing and Usage Terms of the VoIP SDK by SIPRIX

SIPRIX offers a simple and transparent licensing model.

The trial version of the VoIP SDK on Flutter is available without any time restrictions, allowing for detailed testing of the solution.

The only limitation applies to the duration of a single call (up to 60 seconds). After purchasing a license, this restriction is removed.

The license applies to an unlimited number of applications and devices, making it especially beneficial for developers and companies building multiple Flutter-based products.

Technical Aspects of Integrating the VoIP SDK on Flutter

Before implementing the SDK, it is important to consider a few technical points:

A SIP infrastructure is required (server, user accounts, routing)
Check compatibility of the SDK with your current Flutter version and target platforms
Test call quality and connection stability under different network conditions
Ensure TLS/SRTP encryption is enabled if the application processes confidential data
Review SIPRIX’s code examples and documentation to speed up integration

Why Choose the VoIP SDK for Flutter by SIPRIX

The VoIP solution from SIPRIX is a reliable tool for implementing voice and video communication in applications developed with Flutter. It combines simplicity, security, and flexibility, reducing development time and costs.

By using the SDK from SIPRIX, developers gain the ability to quickly add modern communication features to their products — from mobile messengers to enterprise systems. The unlimited trial mode and flexible licensing make this solution one of the most attractive options in the market of VoIP technologies for Flutter.