✅ Streamlit - Custom User Login & Authentication, S3 Integration, 2FA, API Integrations, Session Management, Efficient Caching. ✅ Meta Ray-Ban Web Apps - HTML/CSS/JS Integration, In-Lens Display Overlays, Meta Neural Band Gestures. ✅ Meta Wearables Device Access Toolkit (DAT) - Mobile App Extensions (iOS/Android), Native UI Components. ✅ Meta AI Platform - Muse Spark Integration, Hands-free Conversational Agents, Real-time Data Streaming. ✅ Snowflake - Snowpark API, Database Management ✅ Snowflake Container Services, Jobs, Snowpark Library ✅ Snowflake Native App Development, Data Connectors ✅ CI/CD pipelines for GitHub, GitLab, and Bitbucket integrations. ✅ Docker, Docker Compose, Apple Containers ✅ Reverse proxies (Traefik and Caddy), SSl/TLS Connections ✅ MCP (Model Context Protocol), Custom LLM Application Prototype, AI Agents ✅ Coolify, Caprover, Dokku ✅ Data Warehousing & Management - FiveTran, dBT ✅ Snowflake Native App + Snowflake Connector App + Snowpark Container Services ✅ Sagemaker | Hugging Face | AI Integration | Tensorflow | LLM Models ✅ OpenAI, Claude, Anthropic, Gemini, Llama Models Integration, Snowflake Cortex AI ✅ Reactflow + NodeJS + Express + ReactJS ✅ Supabase Expert - Databases, Functions, Storage ✅ Dockerize Streamlit Apps, Streamlit Desktop Application ✅ Python Developer - Streamlit Expert, Scripting, Selenium, BeautifulSoup, Pandas, Numpy ✅ Data Visualisation - Plotly, Matplotlib, Altair, Vega-Lite, Bohek, PyDeck, GraphViz ✅ Cloud Deployment - AWS, GCP, Digital Ocean, Heroku, Cloudflare ✅ Cloud Cost Optimization - AWS, GCP ✅ AWS Lambda, Amazon Cognito, S3 Buckets, EC2 ✅ Google IAM, Compute Engine, Big Query ✅ Vite, ThreeJS, ModelViewer ✅ 3D & AR Technology Development ✅ Redis Database, NoSQL, SQLite, MongoDB ✅ Langchain + Pinecone Development ✅ Power BI Dashboards to Streamlit Dashboards ✅ Cloudflare Expert - Cloudflare Pages, R2, Workers, D1 ✅ Pandas Langchain Development ✅ Python Frameworks - Flask, Django, FastAPI ✅ Workflow Automation & Simplification ✅ Open AI API Integration, GPT-4, Plugins Creations ✅ OpenAI Assistants + Chat Bots using Custom API endpoints ✅ Build Chat Interface UI, AI-Powered Tools, MVP using Streamlit ✅ Backend Development, Frontend Development, Full Stack Development ✅ DevOps - Nginx, Serverless Infrastructure, Docker ✅ Figma Design to Website Conversion ✅ Tally XML, Tally Prime - data manipulation, data processing etc. ✅ Technology Consultancy, Tech Stack Consultant ✅ TradingView - PineScripts, Pine Seeds, Indicators, Strategy ✅ Python GUIs - tkinter, PyQt, Kivy Support & Service ✅ Fast Turn Around Time ✅ Maximum 24 working hour's response time Expert in building Dashboards using Google Sheets, streamlit library, Google Data Studio and other such similar tools. ✅ Streamlit Dashboard Creation | Session State Management etc. ✅ Google Data Studio | Google Sheets | Google App Scripts ✅ Data Dashboard Creation ✅ Hugo Static-Site Development ✅ Product Market Research ✅ Website page speed Optimization ✅ Trading View Indicators & Strategy ✅ Shopify Store Page Speed, Theme Development & E-Commerce Platform Optimisation

I am a Mobile App Developer with hands-on experience creating intuitive, scalable applications using Flutter, Kotlin, and Firebase. I thrive on transforming complex challenges into user-friendly solutions while keeping my technical skills sharp and current with industry trends. My expertise spans beautiful UI/UX design, seamless backend integration, and performance optimization. I have successfully managed projects from concept to deployment, adhering to clean code practices, modular architecture, and agile methodologies. My professional certifications from top-tier companies like IBM, Meta, and Google underscore my commitment to excellence. If you need an innovative developer who delivers real value and engages users, let's connect and explore how I can help your project succeed.

“I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! 1.I’m experienced in HTML and CSS 3, PHP, jQuery, Word Press and SEO 2.I’ll fully project manage your brief from start to finish 3.Regular communication is really important to me, so let’s keep in touch!” 4.Experienced Flutter App Developer: A skilled Flutter app developer with a proven track record of creating high-performance, feature-rich mobile applications. Proficient in Dart programming language and well-versed in utilizing Flutter's UI toolkit for building visually appealing and responsive cross-platform apps. 5.Innovative Mobile Solutions: A creative Flutter app developer dedicated to crafting innovative and user-friendly mobile solutions. Capable of translating conceptual ideas into practical and aesthetically pleasing applications, ensuring a seamless user experience across various devices and platforms. 6.Cross-Platform Expertise: A cross-platform specialist proficient in leveraging Flutter's capabilities to develop applications that run seamlessly on both Android and iOS devices. Demonstrated expertise in optimizing code for performance and ensuring consistent functionality across different operating systems. 7.Collaborative Team Player: An effective team player who collaborates with designers, product managers, and other stakeholders to understand project requirements and deliver applications that meet or exceed expectations. Strong communication skills to facilitate smooth collaboration throughout the development process. 8.Up-to-Date with Flutter Trends: A dedicated Flutter app developer who stays abreast of the latest industry trends and Flutter updates. Continuously explores new features and functionalities offered by Flutter to implement cutting-edge solutions, ensuring that developed applications align with the latest mobile development standards.

✨ UI/UX & PRODUCT DESIGNER 🏆 12+ YEARS OF INDUSTRY-LEADING EXPERTISE 🥇 UPWORK'S TOP-PERFORMING DESIGNER FOR 8 YEARS 👋 Hello! As an accomplished UX/UI and Product Designer, I have a stellar track record in delivering user-friendly and impactful digital experiences for clients such as Meshimer, Upserve Inc., SourceSeek Inc., EccoBike Inc., DiscoverYourEvents, GoodRadiance Inc., and more. Boasting 🌍 12+ years of international experience, my passion lies in crafting user-centric, engaging, and inclusive interfaces for web, mobile, and SaaS platforms across diverse industries. MY SKILLSET: ✅ Cutting-edge UI/UX & User Interface Design, User Experience Design ✅ Advanced and Interactive Prototyping, Sketching & Wireframing ✅ Streamlined Interface Design ✅ Adaptable & Responsive Design Mastery ✅ In-Depth User Flow & Research ✅ Strategic Competitive Analysis ✅ Comprehensive Customer Journey Mapping ✅ Data-Driven User Persona Development ✅ A/B Testing & Conversion Optimization 💡 My holistic project methodology encompasses research, planning, design, quality assurance, and product delivery, guaranteeing a frictionless journey from concept to fruition. With an expert grasp of design guidelines for Mac OS/Windows and iOS/Android, I am dedicated to shaping extraordinary digital experiences that resonate with users. 🔔 Feel free to reach out if you have any inquiries or are eager to collaborate on a groundbreaking project. Let's join forces and create a lasting impact in the digital world!

Lorenzo Rheinicke is the director of LCR Technologies (PTY) Ltd. A company he founded in 2012 to service his existing customers in the mobile apps and financial industry. Lorenzo created the first Loadshedding app (http://www.loadsheddingapp.co.za) on iOS, earlier this year, 2015, with his business partner. He is responsible for developing the Loadshedding iOS and Android mobile app. This was a side project that grew into something big. The Loadshedding app has currently ±180 000 downloads and had the privilege of being on of the top 5 most downloaded apps in the SA App Store, earlier this year. This gave Lorenzo a lot of insights into the consumer app space in South Africa. He gained experience and skills on how to scale server infrastructure for a consumer app with high traffic demands and also how to monetise a consumer app in the South African environment. Lorenzo Rheinicke also co-founded a mobile magazine publishing platform for publishers, MagSense (http://www.magsense.co), where he is the lead mobile app developer. He has over 13 years of experience in the Card industry and +3 years in the mobile app space industry. Lorenzo started in the mobile app industry, because of his passion for solving problems for consumers and businesses, with mobile apps. Lorenzo develops native apps for iOS (iPhone, iPad) using Objective-C and Apple’s new programming language Swift. He also develops for Android (e.g. Samsung), using Titanium platform by Appcelerator, which is a cross platform development tool to create native apps. (http://www.appcelerator.com) and Java for Android. He also has access to wide network of qualified developers and UI/UX designers, if needed on any project. Lorenzo has had the privilege of developing and working with apps in the following sectors: Health and Insurance Corporate/Financial Transport Events Management Education Consumer Lorenzo’s mobile app development skills and experience comprise of the following: Business Analysis App wireframe and mockup designs App Store Optimisation (ASO) iOS App development using Swift, Objective C and Titanium Android app development using Titanium Angular JS, javascript and jQuery for web applications Node.js for back-end(server) development (Admin consoles for apps App analytics Lorenzo, was a business analyst for 5 years, where he managed a small team of business analysts and also played a subject matter expert role as a senior business analyst in the financial industry. Lorenzo’s card association skills and experience comprise of the following: Subject matter expert on card projects to ensure compliance with all association requirements and documentation. Prevent member banks from getting association penalties. Monitor, analyse and communicate business impacts on all MasterCard bulletins, Visa Member letters and American Express news letters. Manage the scope of association compliance releases. Compose and submit waivers to the associations for approval, where and when needed. Build effective relationships with the association brands. Ensure that all association operational requirements are managed and tracked. Assist project teams with PCI DSS scope and requirement clarification. Kind regards, Lorenzo Rheinicke Mobile App Developer & Consultant Mobile: +27 82 389 5201 Email: lorenzo@lcrtech.co.za

I’m a Web & Mobile App Developer dedicated to building modern, responsive, and high-performing digital solutions for businesses and entrepreneurs. I develop professional websites, web applications, and mobile apps that are secure, user-friendly, and designed to support business growth. I also provide branding, digital marketing, and IT consulting to help businesses strengthen their online presence. I focus on delivering quality work, clear communication, and projects completed on time.

Greetings! I am a senior Php, iOS & Android developer highly responsible, creative, with initiative and punctuality, I responsibly assume the challenges and goals that the organization assigns me, adaptability to change, an ability to work in teams, an ability to work under high pressure, as well as to solve problems efficiently. My Skills: - Beautiful UI/UX Wireframe Mockup Design - iOS by XCode; Swift/Objective-C on Cocoa-touch principles - React Native(Redux) and Xamarin - Android by Studio; Java - Backend Programming by PHP/NodeJS and MySQL/MSSQL/MongoDB/SQLite/Firebase on shared/dedicated/Amazon AWS/Cloud Hosting - Website Frontend Programming by HTML5/CSS3/PHP/JQuery/JS/AngularJS/Bootstrap based on MVC Frameworks such as WordPress/CodeIgniter/OpenCart etc - CMS (Admin Dashboard) by Bootstrap/AngularJS/HTML5/CSS3 based on PHP MVC Frameworks

Senior Full Stack ERP & WMS Developer | React.js | Node.js | Flutter | MySQL | SaaS | 3PL Logistics Overview I am a Full Stack Software Developer with extensive experience in building ERP, Warehouse Management Systems (WMS), CRM, Inventory Management, and SaaS applications for businesses. I specialize in designing scalable business applications from concept to deployment, with expertise in multi-tenant SaaS architecture, warehouse automation, logistics, finance, and enterprise process digitization. My expertise includes: - ERP Development - Warehouse Management System (WMS) - 3PL Logistics Software - Inventory & Stock Management - CRM Solutions - Flutter Mobile Applications - React.js Frontend Development - Node.js (Express.js) Backend Development - MySQL Database Design & Optimization - Firebase (Authentication, Firestore, Storage, FCM) - REST API Development & Integration What I can build - Complete ERP Systems - Warehouse & Inventory Management Systems - 3PL Logistics Platforms - SaaS Multi-Tenant Applications - CRM & Sales Management Systems - HRMS & Employee Management - Student/School/College ERP - Asset Management with Depreciation - Mobile Apps using Flutter - Admin Panels & Dashboards - Custom Business Automation Software Technical Skills Frontend - React.js - JavaScript - HTML5 - CSS3 Backend - Node.js - Express.js - PHP Mobile - Flutter Database - MySQL - Firebase Firestore - SQLite Cloud & Services - Firebase Authentication - Firebase Storage - Firebase Cloud Messaging (FCM) Other - REST APIs - Git & GitHub - Database Design - API Integration - Business Process Automation Why work with me? - Strong understanding of business workflows - Clean and scalable architecture - Optimized database design - Reliable communication - Quality-focused development - Long-term support and maintenance If you're looking for someone who can understand your business requirements and transform them into a scalable, reliable software solution, I'd be happy to help.

I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help.

Expert Mobile Developer with a demonstrated history of working in the computer software industry. Skilled in React Native, JavaScript, iOS, Swift. Strong engineering professional with a Bachelor's degree focused in Computer Science from Virginia Polytechnic Institute and State University.