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Roman P.

@romanpotapcz

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5,0
3

3,4

3,4

100%

Senior Dev: Mobile, Web, Full-Stack, IoT, 3D

$25 USD / Stunde

Flagge von

Czech Republic (2:52 PM)

Joined on November 12, 2025

$25 USD / Stunde

I am a Senior Mobile & Full-Stack Developer with 9+ years of experience building high-performance mobile apps, AI-powered platforms, scalable web systems, and e-commerce solutions. I help startups, entrepreneurs, and businesses turn ideas into real products that drive engagement, efficiency, and sales. Over the past 4 years, I have expanded into automation, electronics, IoT systems, 3D modeling, and retail/store design, enabling me to deliver complete end-to-end solutions—from mobile apps and AI systems to online stores, connected devices, and immersive 3D store visualizations. Experienced full-stack web developer skilled in PHP, JavaScript, Python, C#/Java, WordPress, and modern frameworks. I deliver responsive, high-performance websites, custom plugins, and e-commerce solutions tailored for usability, scalability, and client success. I focus on secure, scalable, and user-centered solutions that support long-term business growth. Mobile Development: Swift, Kotlin, Java, Flutter, React Native, Xamarin, Unity 3D. Native & cross-platform iOS/Android apps with real-time features, push notifications, secure authentication, payment gateways, API integration, optimized for performance and UX. Web & Online Presence: HTML5, CSS3, JavaScript, PHP, Node.js, Python; Laravel, CodeIgniter, Express.js, Django. Professional, SEO-optimized websites, corporate & portfolio platforms, REST APIs, cloud deployment, scalable backend systems. E-Commerce & Store Networks: WordPress, WooCommerce, Shopify, Custom PHP. Multi-store platforms, product catalog management, secure checkout, payment integration, analytics dashboards, optimized for sales and performance. AI & Intelligent Systems: Python, TensorFlow, PyTorch, OpenCV, Scikit-learn. Generative AI, NLP, image recognition, OCR, smart automation. Automation, Electronics & IoT: C, C++, Arduino, ESP32, Raspberry Pi, MQTT. Smart devices, sensor integration, microcontroller programming, hardware-software connectivity. 3D Modeling & Store Design: Blender, 3ds Max, Rhino3D, Unity 3D, Fusion 360. 3D product visualization, AR/VR, interactive simulations, retail store layout. Let’s create innovative solutions that help your business grow.

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Pünktlich

100 %

Im Budget

100 %

Annahmequote

83 %

Portfolio

Portfolio

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5.0 · 3 Rezensionen
Bewertungen
T

Horse Video Auto-Cutter $300 AUD

Went above and beyond in the project to achieve what was asked. Extremely greatful for the time and effort put into the project adn could not recommend them more for any work.

Thomas J.

@TMJohnston8

Flagge von

Perth, Australia

vor 2 Monaten

Teilen

G

Modernize Legacy Borland C++ App $175 AUD

Good communication. He developed an innovation solution for a problem and provided a well structured final product.

Graham F.

@GrahamF

Flagge von

Brisbane, Australia

vor 3 Monaten

Teilen

J

React Native Bug Fixing (archived) $60 USD

Excellent experience working with this mobile developer. Communication was clear, delivery was on time, and the app quality exceeded expectations. Very professional, responsive, and technically strong. I highly recommend them and would gladly work together again.

Ehemaliger Kunde (inaktiv)

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Erfahrung

Senior Mobile Developer

Sept., 2020 - Nov., 2024

4 Jahre, 2 Monate

MyCloudGrocer

Sept., 2020 - Nov., 2024

4 Jahre, 2 Monate

As a Senior Mobile Developer at My Cloud Grocer, I have led the development of the company’s iOS and Android apps, building fast, scalable, and reliable shopping experiences. I have designed modular app architecture, developed key features such as recipe shopping and quick re-order, and collaborated with product, backend, and design teams to drive the roadmap and technical decisions.

Sept., 2020 - Nov., 2024

4 Jahre, 2 Monate

Bildung

Czech Technical University in Prague

1997 - 2001

4 Jahre

Bachelor’s in Informatics – Software Engineering

Flagge von

Czech Republic

1997 - 2001

4 Jahre

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