Hire the Best Firebase Developers
in Israel

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

Hi, I’m Danny — a full-stack developer with 10+ years of experience, specializing in Node.js, TypeScript, and scalable web systems. That is what I have been doing so far and, recent a couple of years, I now focus on building AI-powered applications by combining solid backend architecture with modern tools like OpenAI, LangChain.js, and vector databases (Qdrant, Supabase). I don’t just build chatbots — I build AI agents that use tools, remember context, and automate real business workflows. With AI-assisted development tools like Copilot and Cursor.dev, I move 3–5× faster while still writing clean, modular code that’s easy to test and extend. Are you looking for a NodeJS expert? Yes! - 10+ years of exp in NodeJS/Typescript - REST-style and GraphQL APIs for mobile/web apps - Scripts to automate business flows I am committed to Drawing use-case diagrams closely connected with actual clients. Pulling robust db schema, architecturing the whole system. Composing tests cases for each use-case. Write clean, modular, and maintainable code. Maintaining and extending system module by module. Strong communication skills and ability to work in a fast-paced team environment. Capable of designing complex systems from ground up. You can rely on me with AI argmented system Backend - Express/NestJS Frontend - VueJs and React, React Native, ElectronJS DB - MongoDB, PostgreSQL, MySQL Deployment - AWS/Heroku/Azure/GCP I would be happy to add value to your team, product and company for great success.

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

Hi I'm Hadi, I specialize in delivering impactful solutions that drive measurable results. - I saved $4,000 annually for an online education academy by automating lead management with a seamless CRM integration. - I developed a Chatbot AI agent handling borrower insurance prospecting, handling all new lead communication, enrichment, nurture, objection handling, and appointment setting, saving the company hundreds of hours of manual work and simplifying the process. - I also developed a social media marketing and posting system for a small business, boosting lead generation by 250%—adding 120 extra leads in the first month alone. - I’ve spent over 100 hours training LLM models for top AI companies like ChatGPT, Gemini, and Claude, ensuring they meet high-performance standards. Here's my website: aisimpleflow.com (you can also find linkedin and github links in there) -------------------- The long version: Starting as a Software Engineer Coming from Front-end/Fullstack background (ReactJS), covering different scale projects (from independent clients to cooperate & startups). I've discovered a powerful way of utilizing AI to automate much of the manual work we face everyday, with a plethora of tools and services (Google, OpenAI, Meta, Microsoft, Supabase...). With the help of no-code/low-code tools like n8n, make.com, I help manage the following scenarios: - Handling Email and Calendar events - Communications with APIs of different Services - Updating CRMs and Databases - Social Media Integrations (Facebook, Instagram, LinkedIn, ..) - Chatting with AI assistant (Through Whatsapp, Telegram,..) - AI Voice Agents (Vapi, ElevenLabs) I get excited about working with AI to bring new creative solutions to our modern world.

I'm a Unity Developer specialized in Game and Simulation development. Have experience in VR/AR as well. What I can do for you? * Build a project from scratch * Build a quick prototype * Implement UI designs in your Unity project * Find and fix bugs * Design and build core/gameplay systems And more 😁

AI-focused Technical Leader and hands-on Engineer with 22+ years building products from zero to production. I architect and ship AI-powered SaaS, B2B/B2C platforms, and enterprise systems - writing code daily while leading teams and strategy. 📞 Invite me to your job for a FREE 15-minute consultation! 📞 Highlights: 🤝 56,000+ hours & 220+ jobs completed (with my Upwork agency), all with 5-star reviews 🤝 Top 1% of All Talent on Upwork & "Expert Vetted" Badge 🤝 $2M+ revenue generated on Upwork alone 🤝 18+ years of Senior Technology Executive management experience in roles such as CEO, CTO, VP R&D, Head of Engineering, Systems/Software/Cloud Architect, DevOps, PM, etc. Technical leadership and managing remote and on-site teams of up to 30 What I Do: I help companies build AI-first products - from initial architecture to production. Think of me as your remote, hands-on CTO and Lead Engineer: I design systems, write code, manage engineering teams, collaborate with designers on UX, and ship. My company builds large open-source platforms (ERP/CRM/HRM, Commerce, Work / Project Management), and I bring that same 0-to-1 product-building experience to every client engagement. Over the years, I've helped hundreds of companies, from startups to large international enterprises, and have conducted business in the US, Israel, Ukraine, and Bulgaria. Worked remotely with companies worldwide: US, UK, Norway, Ukraine, India, Australia, etc. Worked on multiple highly complex commercial projects, both in startup and enterprise environments, with small and large teams. I can work with the team or develop software independently from the ground (to production), keeping the software quality along the way extremely high! Rates: - Short-term / consulting: $180/hr - Long-term engagements: $120/hr Services: - AI strategy, architecture & implementation for existing and new products - Fractional CTO / technical leadership for startups and scale-ups - Product architecture, estimation & 0-to-1 builds - Code reviews, performance optimization & solving complex technical problems - Team mentoring and engineering process improvement (Agile/Lean) Short summary of software engineering expertise: ◾ AI Agents & Multi-Agent Systems (LangChain, CrewAI, AutoGen, custom orchestration) ◾ LLM Integration (OpenAI / ChatGPT, Anthropic / Claude, Gemini, local models) ◾ RAG Pipelines, Embeddings, Vector Search, AI Chatbots ◾ ML / Deep Learning (TensorFlow, PyTorch, Python) ◾ SaaS (B2B & B2C) / Multi-tenancy Architecture ◾ Cloud & DevOps: AWS, Azure, GCP, Docker, k8s, CI/CD, Serverless ◾ 15+ years with .NET / C# ◾ 10+ years with JavaScript / TypeScript ◾ 5+ years with Node.js / NestJS ◾ Python (AI/ML, Django, Serverless), Java, and more In technology, my focus spans AI-powered systems, Web, Mobile & Distributed Software: - AI & ML: LLM orchestration (OpenAI, Anthropic, Gemini), AI agents, RAG, vector databases, TensorFlow, PyTorch, prompt engineering, fine-tuning. - Backend: Node.js / NestJS, .NET / ASP.NET Core, Python, JS / TypeScript. - Frontend: React/ReactNative, Angular, Vue. - Data: PostgreSQL, MongoDB, MS SQL, MySQL, Kafka, RabbitMQ, ElasticSearch. - Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Serverless, CI/CD. Some of the latest OSS projects include: - An Agentic Runtime that Autonomously Builds and Maintains Web Apps - Orchestration System for Autonomous AI Companies - AI-powered Open-Source ERP/CRM/HRM Platform - Work and Project Management Platform with AI features - Modern Commerce Platform (reactive server, mobile & web apps) Feel free to message me to get more details about my experience relevant to your specific project, I am always open to new opportunities! 📞 Reach out by inviting me to your project right now! 📞 Looking forward to working with you on amazing projects, - Ruslan