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I’m a Frontend Developer specializing in creating professional websites for small and medium-sized businesses. Whether you need to showcase your services, attract new clients, or launch an online store, I’m here to turn your ideas into reality. Skills and Tools: Web Development: HTML5, CSS, Bootstrap, React.js, Redux, JavaScript, Styled-components, CSS Modules, Grid, FlexBox, Swiper.js Technologies & Frameworks: AJAX, REST APIs Development Environments: WebStorm, Eclipse, IntelliJ IDEA, GitHub, Firebase What I Offer: Comprehensive project management, from planning to final delivery Responsive, user-friendly designs tailored to your needs Clear and consistent communication throughout the project Let’s collaborate to create a website that achieves your goals. Feel free to get in touch anytime!

my website: yuvalpoliak.com I'm a React Native Developer with 2 years of experience in developing and implementing responsive design frameworks, optimizing app performance, and collaborating with cross-functional teams. * Main stack: React native, Tailwind, Node.js, Firebase, Expo, Xcode, Android Studio * Full app cycle management: from zero to publishing * with communication and understanding, helps the client exactly what he wants with lighning-speed efficancy.

Results-driven full stack developer with a proven track record. Currently working at Moon Holidays Co., Ltd., Bangkok, as lead developer. Specializing in building robust, scalable travel automations and business applications. With extensive expertise in modern frameworks and technologies such as Next.js, Node.js, and Python, I deliver high-performance solutions tailored to meet complex business needs. My commitment to staying at the forefront of technology is demonstrated through active participation in open-source projects and a continuous drive to learn and implement cutting-edge tools and best practices. I possess strong foundational knowledge of JavaScript/TypeScript and Python, along with a deep understanding of their ecosystems. In JavaScript, I am well-versed in front-end and back-end development, utilizing React, Next.js, and Node.js for building scalable web applications. In Python, I have a solid grasp of building RESTful APIs, working with FastAPI and Flask, and managing data with MongoDB and Redis. Additionally, I have experience with microservices architecture and cloud-based deployments, ensuring scalability and reliability. I bring a strong foundation in algorithms, data structures, and software engineering principles, ensuring optimized performance, maintainability, and efficiency in every project. Known for a creative, solutions-oriented mindset, I excel at transforming ideas into innovative, reliable applications that exceed expectations. Whether collaborating with cross-functional teams or taking ownership of full project lifecycles, I thrive in fast-paced, dynamic environments, consistently introducing new ideas and technologies to drive business success. I am passionate about leveraging my skills to build impactful software solutions and eager to take on challenging roles that push the boundaries of technology.

MOST AI AND BI INITIATIVES FAIL because the underlying data foundation is broken. I am an Expert-Vetted Principal Architect (Top 1%) and 15x US Patent Holder who builds "Agentic" data foundations. I specialize in turning multi-source chaos into a Single Source of Truth that doesn't just report data, it reasons over it. My latest build, AgentMaestro, achieved 97% accuracy in the volatile Miami Real Estate market by replacing legacy "Black Box" ML with a "Two-Brain" Reasoning Architecture. I HELP AMBITIOUS ORGANIZATIONS SOLVE THREE CRITICAL PROBLEMS: 1. COST & LATENCY: I re-engineer legacy warehouses using Dataform and modern ELT logic to reduce cloud bills by 30%+ while achieving sub-2-second dashboard latency. 2. DATA INTEGRITY & ATTRIBUTION: I unify fragmented silos (Shopify, Meta, CRM, GTM/CAPI) into high-integrity Customer Data Platforms (CDP) to provide 100% visibility into ROI and Attribution. 3. REASONING-AS-A-SERVICE (RaaS): I move beyond simple "predictive modeling" into Agentic AI. I deploy LLM-driven reasoning engines (Vertex AI) that provide "Glass Box" audit trails for high-stakes decision-making. THE "MAESTRO" DIFFERENCE: I am not a "task-taker." I am a strategic partner who owns the entire data lifecycle. I design the proprietary logic that ensures your data is an asset, not a liability. Let's connect to architect your Single Source of Truth. CERTIFICATIONS - Google Cloud Professional Data Engineer - Google Cloud Professional Machine Learning Engineer - Google Data Analytics Professional - Google Business Intelligence Professional SKILLS Cloud Platforms: - Google Cloud Platform (GCP) Data Warehousing & Big Data: - BigQuery - BigLake - PostgreSQL - MySQL - SqlServer Data Modeling: - Dataform - dbt Machine Learning & AI: - BigQueryML - Vertex AI - TensorFlow - H2O - Caret - Scikit-learn - ML Model Development & Deployment Business Intelligence & Visualization: - Looker - Looker Studio - Google Sheets - Apache Superset - Airtable Programming Languages: - SQL - R - Python Data Engineering ELT & ETL: - Dataflow - Cloud Pub/Sub - Data Pipelines - Dataform - Cloud Functions. Ecommerce Platforms: - Shopify Data Science: - Predictive Analytics - Customer Segmentation - Data Mining - Statistical Analysis - RFM Analysis - Contribution Analysis - LTV - Time series forecasting - Recommender Systems

I’m a solo software developer specializing in cross‑platform desktop applications, automation tools, and game development. I build fast, reliable utilities using C++, Python, and Flutter/Dart for both Windows and Linux, including CLI‑based tools and high‑performance executables. My experience includes developing a full Organizer application featuring a custom search engine, file‑management utilities, and system‑level tools optimized for speed and precision. I enjoy creating practical solutions that help clients automate tasks, improve workflows, and work more efficiently. I also develop 2D game systems in Godot using C#, including UI, tilemaps, NPC logic, and debugging tools. Whether you need a desktop utility, a small game system, or a custom automation script, I deliver clean, functional, and well‑structured results. Reliable, detail‑oriented, and focused on solving real problems.

AI | SaaS | MVP | Prototypes | Scaling | Production | Vibe | Automations | Chat Bots 🔥 Expert Full-Stack Developer for Web & Mobile – I Get It Done. Looking for someone who doesn’t just code — but understands the full picture, makes smart decisions, and delivers on time without hand-holding? ✅ Fluent English – no communication gaps ✅ Self-managed & reliable – no micro management ✅ Specialized in SaaS platforms & Mobile Apps that scale 🎯 What I Offer: 📌 Tech Strategy & Guidance Not sure how to start? I’ll break it down, fast — architecture, tools, edge cases, and all. 🐞 Bug? I’ll Find It. Dealing with a stubborn issue? I’ll review your code and tell you exactly what’s wrong and how to fix it. 🔎 Code Review with Insight I dig into security, scalability, and performance to make sure your code holds up. 💬 What My Bigesst Clients Say: ⭐️⭐️⭐️⭐️⭐️ Toyota Connected, Gal Melamed, Head of Division “Straight to the point and effective. Delivered exactly what we needed. We’ll keep working with him.” ⭐️⭐️⭐️⭐️⭐️ Compie Technologies, Ron Ulo, CEO “Expert-level quality, professional attitude, and more knowledge than we expected. A serious asset.” 🧩 My Core Services: 🟨 Custom Software Development Web, mobile, backend – full-cycle dev with clean code and real-world scalability in mind. 🟨 Project & Tech Leadership I manage timelines, specs, and developers with a sharp eye on quality, deadlines, and business goals. 🟨 Product Planning & Documentation I deliver crystal-clear specs, architecture, user flows, ERDs, and tech stack decisions — ready for dev. 🟨 UI/UX Wireframes Fast mockups to define your product’s look, flow, and experience — using Figma or Zeplin. 🟨 Infrastructure & Setup From local dev environments to cloud infra and Dockerized deployments — I’ll set it all up right. 🟨 Dev Docs That Make Sense Installation guides, troubleshooting manuals, API specs — clean, structured, and easy to follow. 💻 Full Tech Stack: Languages: JavaScript, TypeScript, PHP, Python, HTML/CSS, SQL Frontend: React, Angular, Next.js, React Native Backend: Node.js, NestJS, Flask, Django, Laravel Databases: PostgreSQL, MongoDB Cloud & DevOps: AWS, Docker, DigitalOcean, Azure Tools & APIs: Firebase, WebSockets, WebRTC, Google APIs, Figma, Zeplin, Git, PWA, Mapbox