Web & Mobile Development Case Studies - Next.js, React, Flutter Projects

PlayDeck is a developer toolkit that helps game creators integrate Telegram features and reach its 700M+ users. It enables in-game interactions, automated community tools, and seamless social sharing. Our team led the backend architecture, built real-time modules, secure payment systems, and ensured deep Telegram integration — all designed for scalability and high performance in a growing gaming ecosystem.

Technology Stack

• React
• TypeScript
• Kotlin
• Spring
• PostgreSQL
• ClickHouse
• JOOQ ORM
• Telegram Bot API
• Apache Kafka

An e-commerce site for a surfboard brand. Built with Next.js 14 and React, featuring Swiper and Open Graph markup. Static generation with Vercel, Webpack build system, HTTP/3, HSTS, and Priority Hints ensure fast, secure page loads.

Technology Stack

• React
• Next.js
• Swiper
• Webpack
• Open Graph

A company in the leisure and tourism sector. We built the site with Next.js 15 and React, using GSAP for animations and Swiper for carousels. The platform is secured with Cloudflare, Google reCAPTCHA, HTTP/3 support, HSTS, and 301 redirects for maximum performance.

Technology Stack

• Next.js
• Webpack
• React
• Swiper

A project for an upscale residential complex. Built with Next.js 14 and React, featuring Swiper, lit-element, and a Storyblok CMS. Integrated Google Maps and WhatsApp Chat. Deployed on Vercel with static generation, analytics (GTM, GA, FB Pixel, Yandex) and performance optimizations.

Technology Stack

• Next.js
• Storyblok
• React
• Swiper
• lit-element

A creative web project using Next.js 14.2.5 and React. Hosted on Vercel with static generation and optimized for speed and scalability. Built with Webpack and secured by HSTS policies for modern, HTTPS-first web delivery.

Technology Stack

• React
• Next.js
• Webpack
• React
• HSTS

UX/UI website design and development for an architectural bureau. MIR globally transforms space and influences the cultural code, forming a new world.

Technology Stack

• Design & User Experience

Project Statistics

• Team Size: 3 people
• Duration: 6 months

A lightweight TOTP code provider was built for secure multi-factor authentication in corporate systems. Users can register a second factor and receive codes via email, Telegram, SMS, push, or authenticator apps. The service integrates with IAM platforms and supports session policies like device limits and timeouts.

Technology Stack

• Next.js
• TypeScript
• Telegram Bot API
• Redis
• PostgreSQL
• Docker
• CI/CD (GitHub Actions)

Forschungsmittel.com – Platform description will be added later.

Technology Stack

• Next.js 14
• React
• TypeScript
• GSAP

A curated mobile app showcasing Berlin's underground culture — from hidden bars to local art spaces. Built with Flutter and designed for smooth native iOS experience.

Includes real-time map with custom markers, offline caching, secure authentication (Apple/Google), and user personalization features like saved places and folders.

Technology Stack

• Flutter
• Dart
• Supabase
• Firebase Auth
• Google Maps API
• Apple/Google Sign-In