Freelance Frontend Engineers in Masovian VoivodeshipFreelance Frontend Engineers in Masovian Voivodeship
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Konrad Nowak's avatar
Konrad Nowak
proWarsaw, Poland
Full Stack Developer | Mobile Developer | AI Expert
5.0
Rating
10
Followers
Full Stack Developer | Mobile Developer | AI Expert
Cover image for E-commerce Shopping App | Flutterflow | Superbase
E-commerce Shopping App | Flutterflow | Superbase
2
22
Cover image for Olympus Mobile Wallet | Flutter | Flutterflow
Olympus Mobile Wallet | Flutter | Flutterflow
0
20
Cover image for Pathwright Learning Platform | React | Framer | Firebase
Pathwright Learning Platform | React | Framer | Firebase
0
11
Cover image for FACEIT | Next.js | TypeScript | Tailwind CSS
FACEIT | Next.js | TypeScript | Tailwind CSS
0
12
Frontend Engineer(4)
Pawel Boguta's avatar
Pawel Boguta
Warsaw, Poland
Framer / React Developer
5.0
Rating
1
Followers
Framer / React Developer
Cover image for Animated select [Micro Interactions]
Animated select [Micro Interactions]
0
9
Cover image for Dock component [Micro Interactions]
Dock component [Micro Interactions]
0
5
Cover image for Subscription Tracker MVP
Subscription Tracker MVP
0
8
Cover image for Codetive App MVP
Codetive App MVP
0
15
Frontend Engineer(4)
Jacek Adamski's avatar
Jacek Adamski
Warsaw, Poland
Frontend-Driven AI Full Stack | AI Automation & Headless CMS
New to Contra
Frontend-Driven AI Full Stack | AI Automation & Headless CMS
Cover image for Paramark SaaS Marketing Analytics Platform Redesign
Paramark SaaS Marketing Analytics Platform Redesign
1
4
Cover image for Travala Online Booking Platform Redesign and Optimization
Travala Online Booking Platform Redesign and Optimization
1
6
Cover image for Secure Crypto Brokerage Platform Development
Secure Crypto Brokerage Platform Development
1
7
Cover image for Luaka Bop Digital Music Platform
Luaka Bop Digital Music Platform
1
6
Frontend Engineer(4)
Emerald Empire's avatar
Emerald Empire
Warsaw, Poland
We are studio that create dynamic premium sites and webapps
New to Contra
We are studio that create dynamic premium sites and webapps
Cover image for Symbolic Rocks Premium Landing Client Story The
Symbolic Rocks Premium Landing Client Story The artist initially sold unique paintings through Telegram. However, to reach a wider audience and test demand outside of the messenger, he needed a website. Emerald Empire Solution We developed a premium prototype landing page that became a tool for market validation and artwork presentation. The design was tailored to the client’s vision: highlighting the visual aesthetics and ensuring easy navigation. Results The landing page allowed testing demand beyond Telegram. While the main online store is still under development, the landing serves as a showcase and sales point. The paintings impressed the Emerald Empire team so much that we purchased 50% of his business, becoming partners in its growth. Key Features of the Landing Page Premium design emphasizing the artistic works. Simple structure for quick navigation. Future integration with the upcoming online store. Conclusion This case demonstrates how a premium prototype can serve not only as a market validation tool but also as the beginning of a strategic partnership between the studio and the client.
1
51
Cover image for Benefits of a business card
Benefits of a business card website Premium image: A website deployed on Netlify is perceived as modern and fast, and the emerald-colored design enhances the feeling of exclusivity. 24/7 availability: The business card is always online, so clients can find contact information and service descriptions at any time. Technological advancement: The use of React, Node.js, and Netlify demonstrates that the project is built on top technologies, making it reliable and scalable. Customer convenience: Simple navigation, quick response times, and mobile responsiveness. Marketing impact: The business card serves as an entry point—it can be used in advertising, social media, and business negotiations.
2
103
Cover image for Symbolic Rocks Format: A full-fledged
Symbolic Rocks Format: A full-fledged SPA application in React 18 with 11+ pages. Features: Centralized state management (cart, user, chats, language, theme) via modern React hooks. Architecture: Functional components with advanced rendering logic, responsive product grids, custom routing. Localization: Automatic browser language detection + manual switching between RU, UZ, and EN. Features: Shopping cart, admin panel with CRUD operations, admin chat, authorization system, and user profile. Themes: A full-fledged light and dark theme with a signature purple-blue palette.
1
130
Cover image for Symbolic Rocks Format Full-featured SPA built with
Symbolic Rocks Format Full-featured SPA built with React 18, comprising 11+ pages and optimized for production deployment. Architecture and Stack Functional components with advanced rendering logic and performance optimizations. Centralized state management for cart, user, chats, language, and theme implemented via modern React hooks and context patterns. Responsive product grids, custom routing, and client-side caching for snappy UX. Modular component library designed for reuse across product and admin interfaces. Localization and Themes Automatic browser language detection plus manual switching between RU, UZ, and EN. Full light and dark themes with a signature purple-blue palette and tokenized design tokens for easy theming. Core Features Shopping cart with persisted state and checkout flows. Authorization system and user profile management. Admin panel with CRUD operations for products, users, and content. Admin chat for internal support and moderation. Advanced product mechanics: filters, sorting, variant support, and conversion-focused interactions. Release Update and Enhancements Chat authorization requirement — creating persistent chats now requires user authentication; authenticated chats are saved to user history and support extended features. Guest chat support — ephemeral chat mode allows unregistered users to start conversations with limited lifetime and reduced functionality. Updated product cards — redesigned card layout with improved interactive states, quick actions (buy, wishlist, preview), variant selectors, and analytics hooks for conversion tracking. Admin panel modernization — enhanced CRUD workflows, role-based access control, bulk actions, improved analytics and activity logging, and streamlined chat/content management tools. Implementation Notes Chat flows: token-based authentication for persistent chats; guest mode creates temporary contexts that expire and are not persisted to the main database. UX considerations: clear guest limitations and prompts to register for history and advanced features; progressive disclosure for admin bulk operations. Handoff: component library and Figma assets, API specs for chat, auth, roles, and bulk endpoints, plus test cases for chat persistence and guest expiry.
1
55
Frontend Engineer(3)
Sergei Serafimovich's avatar
Sergei Serafimovich
Warsaw, Poland
From vision to product, without the chaos: https://aegte.dev
From vision to product, without the chaos: https://aegte.dev
Cover image for Christmas Sweater Image Editor Development
Christmas Sweater Image Editor Development
1
5
Cover image for AI Assistant Backend Development for Comic Book App
AI Assistant Backend Development for Comic Book App
1
3
Cover image for Computer Vision Backend for Comic Book Cover Detection
Computer Vision Backend for Comic Book Cover Detection
1
9
Cover image for OctoSale
OctoSale
1
7
Frontend Engineer(1)