Thank you for checking out my profile first. I'm a FULL-STACK developer with over 8 years of experience in web Apps and mobile app development. ❇️ MY MAIN EXPERTISE INCLUDES ❇️ ➡️FRONTEND ➔ Angular JS, React, Vue.js, Express.js, PSD, HTML, CSS, Bootstrap ➡️BACKEND ➔ PHP, NodeJS, Laravel, Cakephp, Codeigniter ➡️CMS ➔ WordPress ➡️DB ➔ MySQL, MongoDB, Redis ➡️Python ➔ Django, Flask, Scrapping, Scripting, Odoo, Pandas, Data Analysis, Trading Script (Pinescript) ➡️Mobility ➔ iOS & Android (Flutter, React Native) ➡️Shop ➔ Shopify (Liquid), Woocommerce ➡️AI & ML Tools ➔ GPT-3.5/4, OpenAI, LangChain, Whisper, ElevenLabs, Huggingface, Stable Diffusion, TensorFlow, Pandas, NumPy, and chatbot development (text + voice). ➡️Automation & Integration ➔ Web scraping, workflow automation, API integration, Airtable, Notion, Google Sheets, FastAPI, and trading bots (Pine Script). ➡️Servers ➔ Dedicated, Shared, VPS, Private Servers ➡️Design ➔ UI / UX Design, Photoshop, Adobe XD, Figma, Sketch, InVision ➡️Game ➔ UNITY 2D / 3D ❇️ WHAT YOU CAN EXPECT ❇️ ➔ Daily Communication With Quick Replies To Messages ➔ Daily Work Update Report On Worked Things Of That Day ➔ Bug-Free Work With Proper Testing As I Know That Client Is Not Tester ➔ Guaranteed Work ➔ Ongoing Support As Needed Bases Sounds interesting? Let's have a quick Freelancer call/chat to discuss your project.

👋 Hi there! I’m Biniyam Demissew, a developer with 3+ years of experience building mobile apps, and full-stack web platforms. I focus on delivering clean, functional, and user-friendly solutions that meet your goals. Let’s work together to create something awesome! 💡 Areas of expertise: 🎨 Front-End Development: HTML5, CSS3 (Bootstrap, Tailwind, Sass, MUI) JavaScript, TypeScript ReactJS (NextJS) 🔧 DevOps: Docker, GitHub Actions Microsoft Azure, AWS, GCP NGINX, PM2 📱 Mobile Development: Flutter, Dart, FlutterFlow 🗄️ Database Management: MySQL, PostgreSQL, MongoDB, Firebase VectorDB (PineCone) 🔍 Specialized Skills: AI/LLMs: ChatGPT, LangChain, YOLO Object Detection Web Scraping & Data Analysis: Selenium, BeautifulSoup Hybrid Mobile Apps, AI Chatbots 🌟 Why Work With Me? High-quality deliverables, always on time Clear and open communication Reliable and available for feedback 🤝 Let’s Connect! If you have a project in mind or need help with something, feel free to reach out. I’d love to hear from you! 🔑 Keywords: Flutter, Dart, Full-Stack Development, Front-End Development, Backend Development, Hybrid Mobile Apps, ReactJS, NextJS, HTML5, CSS3, JavaScript, TypeScript, Bootstrap, TailwindCSS, Material UI, Responsive Web Design, Docker, CI/CD, GitHub Actions, GCP, NGINX, MySQL, PostgreSQL, MongoDB, Firebase, Redis Cache, Web Scraping, Selenium, BeautifulSoup, Data Analysis, Agile Development, Prototyping, Version Control, Git, GitHub, AI/LLMs, YOLO Object Detection, Mobile App Development, UI/UX Design, Wireframing, User Experience Design, SaaS, E-commerce, Dashboard Design, Landing Page Design

I help businesses cut manual work and move faster using AI automation — and I bring 10 years of full-stack development and real product leadership to every engagement. At a YC-backed startup I wore both hats: Senior Product Manager and hands-on engineer. That dual perspective means I can spot the automation opportunity in your business, map the right solution, and build it myself — no hand-offs, no miscommunication. What I build: • AI agents and multi-step workflows (n8n, Make, Zapier + LLM APIs) • RAG systems that let your team query internal documents and data intelligently • LLM integrations (Claude, GPT-4) into existing products and ops workflows • Custom APIs and backend logic when no-code tools aren't enough • Internal tools and dashboards (Appsmith, Metabase, Airtable) Technologies — Automation: n8n · Make · Zapier · LangChain · Claude API · OpenAI API — Backend: Python · Django · PHP · REST APIs · PostgreSQL — Infrastructure: AWS · DigitalOcean · OpenShift — Product & ops: PostHog · Notion · Figma · Appsmith · Metabase I've shipped payment integrations, SaaS platforms, and data pipelines from scratch — so I know what breaks in production and how to build things that don't. Whether you need a quick automation win or a full AI workflow overhaul, I can take it from whiteboard to working system.

I build automation-first systems that save teams time and reduce manual work—especially around AI agents, workflow orchestration, data pipelines, and trading/analytics tooling. I focus on shipping production-ready solutions with clear scope, solid documentation, and reliable handover. What I do best AI automation & agents: Assistants that monitor sources, summarize updates, trigger workflows, and generate reports with human-in-the-loop approvals where needed. Workflow orchestration: n8n / Zapier / Make automations, webhooks, API integrations, retries, error handling, and observability. Data pipelines & integrations: Python/Node scripts for data extraction, normalization, enrichment, and delivery to Sheets/CRMs/DBs; scheduled jobs and alerting. Trading & analytics tools: TradingView Pine Script indicators/strategies, signal pipelines, risk controls, and integration to backends via webhooks. How I work Start with quick requirement clarification and a tight scope. Deliver incrementally (MVP → hardening → documentation). Prefer measurable outcomes: faster cycle time, fewer errors, lower ops overhead. Strong emphasis on maintainability: clean code, tests where appropriate, and clear runbooks. If you need an automation built quickly—but designed to keep working after launch—I’m a good fit.

Software Developer and Full Stack Expert (7 Years Experience) ✅ Proficient in Full Stack Development: Expertise in building robust applications using FastAPI, NestJS, Open AI, ChatGPT API, Gemini API, Vertex AI, TypeORM, Prisma, Next.js, React, Node.js, Express, Dotnet, SQL Server, MySql, MongoDB, PineCone, RAG, and PostgreSQL, Supabase AI Tools for Faster Development ✅ Windsurf ✅ ClaudeCode CLI ✅ GitHub Copilot ✅ Augment Code ✅ Cursor ✅ Bolt.new ✅ Lovable ✅ Document Management Specialist: Successfully developed sophisticated Document Management Systems, utilizing a versatile skill set to solve complex problems efficiently. ✅ Front-End and Back-End Expertise: Front-End: React, Nextjs, HTML, CSS, JavaScript, TypeScript, Ag Grid. Back-End: Node.js, Express.js, NestJS, with secure authentication using JWT tokens. ✅ Database Management: Skilled in relational databases like PostgreSQL, MySql and proficient in object-relational mapping (ORM) with TypeORM. ✅ Version Control and Collaboration: Proficient in Git, GitHub ✅ Performance-Driven UI/UX Development: Focused on building user-centric interfaces, ensuring scalability and seamless user experience. ✅ Cloud Services: Experienced in deploying applications using Amazon EC2 and managing assets via Amazon S3. ✅ Comprehensive Technical Skills: Web Development Tools: Webpack, NPM, Bun, ESLint, Prettier. UI Libraries: TailwindCss, Bootstrap. ✅ Problem Solving and Technical Design: Adept at troubleshooting, designing enterprise solutions, and balancing benefit-cost judgments. ✅ Communication and Availability: Proficient in English with availability for 24/7 communication to meet client needs. 👋 CV and Portfolio: Available in my profile. 👋 Let’s connect and discuss how I can add value to your project.

Over 30 years software architect and developer experience, with C#, c++, python, for Windows, MacOS and Unix. Focused on developing automated trading software with Interactive Brokers TWS, NinjaTrader, Binance, TD Ameritrade ThinkOrSwim ThinkScript, TradingView PineScript, MultiCharts, Sierra Charts, SaxoBank, Oanda, Trading Technologies, Sterling Trader Pro, DAStrader, Reuters, IQfeed, ActiveTick. I also have extensive experience with institutional systems, Bloomberg API (EMSX, BLP), FIX API (Reactive Markets, TradeWeb). I have a deep knowledge how to code and backtest trading systems. I have also performed numerous big data researches to help trading algorithms. Quite experienced with C# WPF, MVVM, Telerik, SciChart, ABP framework, Blazor, Angular Actively use AI for development (no vibe) improve quality and speed up routine tasks.

Full-stack Python developer with 6+ years of experience building high-performance web apps, APIs, and AI-powered automations. I specialize in Django, FastAPI, AI/ML bots, and voice/chat agents using Langchain, LangGraph, and CrewAI. Skilled in web scraping, automation, and seamless frontend-backend integration using React and modern tools. I thrive on solving complex problems and delivering scalable, production-ready solutions. KEY ACHIEVEMENTS Built high-throughput REST APIs with FastAPI/Django, improving system speed by 40%. Developed full-stack apps using React, Django, and FastAPI with clean UI/UX. Created AI voice & chat agents for real-time calling and support using Langchain & CrewAI. Automated workflows via N8N, Make.com, and custom Python scripts. Engineered scalable web scrapers and automation tools using Selenium/Playwright. Managed robust databases (PostgreSQL, MySQL) and cloud-ready deployments with Docker & Git.

I build production-grade algorithmic trading systems — from signal research through live execution. 15,600+ documented hours building systematic trading infrastructure across equities, options, and futures. Currently running a 20+ agent autonomous platform in production: real-time OCC options flow parsing, Bayesian self-improving signal engine, regime detection, multi-model LLM orchestration, and automated risk management. What I deliver: → Trading bots & execution engines — IBKR TWS/Gateway API, order management, circuit breakers, position sizing (Kelly criterion) → ML signal pipelines — LSTM/GRU, XGBoost, LightGBM, ensemble models, feature engineering, walk-forward optimization → Backtesting frameworks — realistic slippage, commission modeling, Monte Carlo simulation, strategy validation → Options intelligence — flow analysis, IV surface modeling, Greeks-based screening, sweep detection → Full-stack dashboards — React/TypeScript/Tailwind frontends, FastAPI backends, WebSocket real-time feeds, Telegram bot delivery Stack: Python, FastAPI, React, TypeScript, TensorFlow/Keras, scikit-learn, pandas, NumPy, SQL, Pine Script, NinjaTrader, Ollama/LLM orchestration, Docker. Background: MBA in AI & Business Analytics (4.0 GPA) · MSc Financial Engineering candidate · CMT Level 1 candidate · Published author (financial fiction). I combine quantitative finance theory with production systems engineering — not research notebooks, but deployed, monitored, self-improving systems. Async-first. Output-focused. Available for immediate start.

Yes I have big interest in develop new projects with Android Studio and Visual Studio iOS C## application .Using any TestFlight iOS App .Also possess skills on Flutter, Metatrader 5 , and TRADINGVIEW PINESCRIPT VIDEO .Please check on my portfolio here at upwork dot com / freelancers /alfonsof4 I would like have also interest in Visual C++ . I have known for JavaScript HTML , python and React Node.js , will show my skills with some previous work show sample on discuss chat . React projects . MY PORTFOLIO HAS SHOWS ARDUINO BUTTONS BARCODE SCANNER IDEAS PROJECT SKILL GENERATED FROM CLAUDE.AI VIDEO WITH CODES . I HAVE READ ABOUT ARDUINO ESP32 WiFi connection with BlueTooth card from github to share ideas with new arduino Upwork clients

AI Engineer • Software Developer • Trading Systems Specialist I build high-performance systems that solve real problems fast — from AI automation pipelines to backend APIs, Cloudflare worker queues, and custom trading bots. My work is built on precision, clarity, and results, not guesswork. I focus on delivering solutions that are fast, scalable, and cleanly engineered. What I can do for you: • AI pipelines (audio → lip-sync, video generation, preprocessing, MFCC workflows) • Backend APIs (Node.js / Python / Cloudflare Workers / WebSockets) • AI automation tools and custom model integrations • Custom indicators, MT4/MT5 bots, PineScript, risk modules • System architecture for SaaS or automation platforms If you need someone who can understand complex problems quickly and turn them into working systems — I’m the guy. Let’s build.