Hey reader Yohanes here! 👋 , I am a highly effective engineer and a quick learner. I excel at producing high-quality work, making suggestions for improvement, and coming up with creative solutions. I've worked with projects at various levels in my past contracts, identifying areas of need and offering strategic comments and improvements to procedures and solutions. Last but not least, I may offer post-completion services for enhancements and demand-driven feature requests. Understanding my client's needs and providing good quality solutions is my priority. I'm easygoing and can easily work with teams of different scale.. ✢ Programming Languages: ♚ Rust ♛ C ♜ Python ♝ Java ✢ Frameworks: ♚ Express, Vuejs, Reactjs ♛ Django, Flask ♜ Spring, Spring Boot, Spring Security, Spring Data, Spring Cloud, Quarkus, Vaadin ✢ Databases: ♚ Mongodb ♛ SQL(PostgreSQL, MySQL, MariaDB..) ♜ Neo4j ♝ Redis ✢ Architecture: ♚ Microservices ♛ Event-Driven, Event-Sourcing ♜ Object Oriented

I use Claude Code to deliver 10X RESULTS in SHORT TIME I build PRODUCTION-READY PRODUCTS and ship them FAST using Claude Code — delivering AGENTIC WORKFLOWS and LLM-POWERED SYSTEMS IN DAYS, NOT WEEKS 👉 𝗪𝗛𝗬 𝗬𝗢𝗨 𝗦𝗛𝗢𝗨𝗟𝗗 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 ☑️ 𝗔𝗴𝗲𝗻𝘁𝗶𝗰 𝗔𝗜 & 𝗟𝗟𝗠 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴: Specialized in building autonomous AI agents, multi-agent systems, RAG pipelines, LangChain workflows, and LLM-powered applications that solve real business problems in production. ☑️ 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: I connect AI to your existing systems — CRMs, SaaS platforms, databases, and APIs — building automation pipelines that cut costs, reduce manual work, and scale with your business. ☑️ 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Experienced across Ethereum, Solana, and Web3 — delivering smart contracts, DeFi platforms, and dApps that are secure, auditable, and built to last. ☑️ 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗮𝘁 𝗦𝗰𝗮𝗹𝗲: I architect and ship end-to-end AI-powered products — from backend LLM pipelines to polished frontends — with clean code, proper testing, and production-grade infrastructure. 👉 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 𝗜 𝗢𝗙𝗙𝗘𝗥 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 • Agentic AI & Multi-Agent System Development • RAG Pipeline & Vector Database Architecture • LLM Application Development (OpenAI, Claude, Gemini, open-source) • AI Chatbot & Virtual Assistant Development • AI Integration into SaaS Platforms & Business Workflows • Automation Engineering (n8n, LangGraph, CrewAI) 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 • Custom Software & Web Application Development • Mobile App Development • API Development & Orchestration • Telegram & WhatsApp Bot Development • DevOps, QA & Database Design 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 • Smart Contract Development (Solidity, Rust) • DeFi & dApp Development • NFT & Tokenization Platforms • Launchpad & Cryptocurrency Development • Wallet Integration & Web3 Infrastructure 👉 𝗙𝗥𝗢𝗡𝗧-𝗘𝗡𝗗 • 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: React.js, Next.js, Gatsby.js, Vue.js, Angular • 𝗨𝗜\𝗨𝗫 𝗧𝗼𝗼𝗹𝘀: HTML, CSS, Bootstrap, Tailwind CSS, Material-UI • 𝗦𝘁𝗮𝘁𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Redux, Context API, Vuex 👉 𝗕𝗔𝗖𝗞-𝗘𝗡𝗗 • 𝗣𝘆𝘁𝗵𝗼𝗻 𝗘𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺: Python, FastAPI, Django, Flask • 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗘𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺: Node.js, Express, Nest.js • 𝗔𝗜 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen • 𝗩𝗲𝗰𝘁𝗼𝗿 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: Pinecone, Weaviate, ChromaDB, FAISS, pgvector • 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: MongoDB, PostgreSQL, MySQL 👉 𝗗𝗘𝗩𝗢𝗣𝗦 & 𝗖𝗟𝗢𝗨𝗗 • 𝐂𝐈/𝐂𝐃 𝐓𝐨𝐨𝐥𝐬: Jenkins, GitHub Actions, GitLab CI • 𝗖𝗹𝗼𝘂𝗱 𝗮𝗻𝗱 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁: AWS, Firebase, Azure, GCP, Docker, Kubernetes

Hello! 👋 I’m a CTO, Senior .NET Core Developer, and AI Engineer with 20+ years of experience in C#, Microsoft Azure, cloud architecture, enterprise software, and Artificial Intelligence solutions. I help companies build scalable SaaS platforms, enterprise systems, internal tools, AI assistants, AI copilots, and production-ready AI products. As an AI Developer, I combine backend engineering with AI Development, Automation, API integration, and .NET Core architecture to create reliable Operational systems that solve real business problems. 📘 About Me I’m a technical leader with deep experience in software architecture, C# development, and .NET Core systems. Over the years, I’ve designed cloud-native platforms, distributed applications, Web API services, microservices, and enterprise backend systems for complex environments. My current focus is on Artificial Intelligence, AI Development, AI Agent Development, and practical Automation for business workflows. As an AI Developer, I build systems that connect LLMs, RAG, Azure AI Services, APIs, and business logic into stable products. The goal is not just to add AI features, but to create Operational value: fewer manual tasks, better decisions, faster delivery, and cleaner internal processes. As an AI Developer, I work across the full product lifecycle: discovery, architecture, backend logic, API integration, cloud setup, testing, deployment, and long-term support. I use .NET Core, Microsoft Azure, Orleans, RESTful architecture, and CI/CD to make sure every solution is secure, maintainable, and ready for real users. A strong part of my work is AI Development for SaaS products and enterprise platforms. I design Artificial Intelligence features, AI agents, AI assistants, copilots, workflow Automation, and API-connected systems that support real Operational needs. My background in .NET Core and distributed architecture helps me build high-concurrency applications that stay stable as usage grows. I also help teams modernize existing systems. As an AI Developer, I can review architecture, improve backend performance, connect AI services, build custom Automation, and turn fragmented workflows into one clear Operational process. 🛠️ Technical Skills C# & .NET Core Microsoft Azure & Cloud Architecture Orleans Distributed Virtual Actor Framework RESTful Architecture & Web API SaaS Development & Microservices Software Architecture & Design Patterns Artificial Intelligence solution design Artificial Intelligence architecture AI Development lifecycle .NET Core architecture AI Development for enterprise systems AI Developer implementation AI Agent Development & AI assistants Retrieval Augmented Generation LLM Prompt Design Azure AI Services API Design and Integration Automation workflows Operational system architecture MAUI & Blazor Angular DevOps, Kubernetes & CI/CD Aspire 🌿 Strategic Skills Enterprise Software Architecture Planning Artificial Intelligence strategy AI Development roadmap AI Developer technical leadership Automation planning Operational workflow optimization Cloud Migration & Optimization Performance Optimization Security & GDPR Compliance Cost Optimization Agile & Scrum Team Leadership Stakeholder Communication Technical Discovery & Roadmapping TOGAF Methodology Problem Solving 🏆 Certifications Microsoft Certified: Azure AI Associate Microsoft Certified: Azure Developer Associate Microsoft Certified: Azure DevOps Expert Microsoft Certified: Azure AI Fundamentals Xamarin Certified Mobile Developer Agentic AI developer, C# ai, ai integration, ai api integration,ai integration specialist, ai agent saas, ai saas developer, ai architect, ai solution architect, ai chat bot, ai chatbot saas, open ai chatbot, full stack developer, multi-agent, ai agent automation, ai automation agency, chatbot automation,, c# developer, c# .net, .net ai, .net developer, .net fullstack, ai agent builder, ai agent n8n, ai agent crypto, ai agent automation, rag, agentic rag, agentic rag, ai engineer rag, agentic rag, full stack app developer, full stack developer ai, artificial intelligence, artificial intelligence consultant, ai llm, llm agent, ai llm developer, llm chatbot, langchain agent, ai developer langchain, llm langchain, ai agent, ai voice agent, customer service agent, web developer, azure ai, azure ai studio, azure devops, azure architect, ai engineer, prompt engineer, product engineer, ai workflow, ai workflow automation, workflow automation, orchestration, ai prompt engineer, claude prompt, ai prompt engineering, ai prompt,prompt engineer claude, open ai developer, open ai chatbot, ai models, ai integration, ai integration specialist, ai integrator, ai api integrator, ai powered, claude certified.

Senior software engineer with 7+ years of experience building production systems end-to-end focused in Python, Rust, and Typescript engineering, AWS cloud infrastructure, automation, performance-focused tooling with Postgres SQL, Redis Caching, and fine tuned Docker experience. I’ve shipped real-world systems using Python, Rust, Typescript, backed by PostgreSQL, Redis, AWS, and modern CI/CD pipelines. My work ranges from APIs and microservices to web scraping platforms, file parsing, AI agents, website development, data pipelines and formatting, developer tools, browser extensions, oauth2 (discord, google, github, spotify, facebook), cloud-native deployments via AWS (Lambda, Fargate, Load balancing, Route 52, EC2, S3) and Cloudflare (workers, R2), blockchain integrations (hardhat, evm, solidity, web3 libraries, anchor, solana), websocket development, financial dashboards, trading bots, and react web apps. What you get: Clear communication, no fluff Production-ready code Strong debugging and system design instincts Someone who actually finishes things If you need a reliable engineer who can own a problem and ship, let’s talk.

I’m a Rust Software Developer specializing in backend engineering, observability, and distributed systems. My focus is on building high-performance, fault-tolerant, and production-ready solutions that scale seamlessly in fintech, SaaS, and high-traffic environments. My Core Expertise: - Backend Development: Designing and building server applications from scratch using industry-leading frameworks like Axum, Actix-web, and Async-GraphQL. My focus is on writing robust APIs and creating scalable architectures. - Observability & Monitoring: Full-cycle observability with OpenTelemetry, Prometheus, Grafana, and ELK Stack (Elasticsearch, Logstash, Kibana) — ensuring system reliability and fast issue resolution. - Distributed Systems & Messaging: I specialize in building fault-tolerant systems and real-time data pipelines. My experience includes working with Apache Kafka and RabbitMQ for handling high-volume data streams. - DevOps & Cloud: I set up and maintain CI/CD pipelines with Dockerized builds and Terraform, ensuring automated and reliable deployments across major cloud providers (AWS, GCP, Azure, Hetzner). My Technical Toolkit: Languages: Rust (Primary), C++, C#, Python, Kotlin Frameworks: Axum, Actix-web, Async-GraphQL, Tonic, gRPC Databases: Diesel, PostgreSQL, DynamoDB Communication: gRPC, Tonic, GraphQL WebAssembly: I also have experience with Tauri for cross-platform solutions. I'm constantly learning and keeping up-to-date with the latest industry trends and technologies. I’m always looking for ways to improve processes and systems to achieve optimal performance. If you need a Rust backend engineer who can deliver observable, fault-tolerant, and production-ready systems - I’d be glad to help.

A linux enthusiast with a penchant for developing minimal and efficient back-end programs without the bloat. I’ve got a solid grip on Go, Rust, and JavaScript, and I can whip up RESTful APIs, services, and command-line tools faster than you can say “GNU/Linux”. Seriously, if you need something done quickly and cleanly, I’m your guy. If you need someone who can turn complex requirements into clean, maintainable code, well look no further cause here I am.

I've architected a full Layer-1 blockchain from scratch consensus, validators, staking and built AI agents that transact on-chain autonomously. 100% Job Success, every rated project 5 stars. I'm a Blockchain & AI Developer who ships complete products end-to-end: smart contracts, backends, web dApps, and mobile apps. Clients come to me when they need one developer who understands the full stack from on-chain logic to the app store. WHAT I DELIVER Agentic AI & On-Chain Payments — Autonomous AI agents transacting via the x402 protocol: machine-to-machine micropayments, zero human intervention. Built with LangChain, CrewAI, and LLM APIs. Custom Layer 1 Blockchains Complete chains with consensus, validator infrastructure, staking economics, block explorer, and faucet delivered with UAT reports and scaling roadmaps. Solana Development Anchor programs and MEV-aware trading systems with Jito bundle execution, backed by NestJS/PostgreSQL. Full dApp Development NFT marketplaces, DeFi tools, token platforms across Ethereum, Polygon, and EVM chains wallet integration to polished frontend. Mobile Apps Cross-platform Flutter apps with Web3 integration, including a multilingual P2P crypto trading platform with USDT escrow. AI Products & Automation LLM-powered systems, multi-agent workflows, AI fact checking infrastructure, and intelligent automation pipelines. Enterprise Integration Hyperledger Fabric systems, including edge-device deployments with tamper-proof data integrity. STACK Rust • Solidity • C++ • TypeScript • Python • React/Next.js • Node.js/NestJS • Flutter • Anchor • Web3.js • LangChain • CrewAI • IPFS • Hyperledger • PostgreSQL • MongoDB HOW I WORK Clients hand me a problem statement, not a spec and receive a production system with documentation, testing reports, and a roadmap. Recent feedback: "very professional and fast, will hire again." Whether it's a smart contract, a full dApp, a mobile app, or an AI agent system I build it production-ready. Let's scope your project.

I'm Huanqing Zhu, and you can call me Fusion. With over 10 years of hands-on Java development experience—including 6 years dedicated to big data processing and visualization—I’ve built my expertise by staying rooted in frontline coding, even as my responsibilities have grown. A key pillar of my technical toolkit is ‌6 years of production-grade Rust development experience‌, complemented by proficiency in Java, Scala, JavaScript, HTML5, and a full stack of big data and cloud-native technologies: Apache Spark, Hadoop, Hive, Flume, HBase, Storm, Kafka, DataX, ECharts, Docker, Kubernetes, and Linux. What sets me apart is that I’ve never stepped away from writing production code, even as I’ve taken on leadership and architectural roles: As a ‌hands-on Big Data Developer‌, I’ve built robust data ingestion utilities (including the open-source DataXServer on GitHub) and real-time page click analytics systems, directly coding pipelines to pull data from RDBMS, NoSQL databases, and file storage into production environments. As a ‌Big Data Architect‌, I’ve led platform design while still contributing core code, using Hadoop, Spark, Flink, and ElasticSearch to build scalable data infrastructure—no abstract planning here; I’ve written the critical components that power these systems. As a ‌Rust Specialist‌, my 6 years of experience spans building high-performance, low-latency systems. I’ve used Rust to optimize data processing pipelines, cut latency by up to 40% in high-throughput scenarios, and deliver systems that run 24/7 with zero critical errors. As a ‌Team Leader‌, I’ve managed full-stack teams (Java, front-end, QA, operations) while still pairing with developers on complex code reviews and contributing to high-priority features, ensuring I stay connected to the day-to-day challenges of software delivery. I also bring deep experience in microservices architecture and cloud-native containerization, and my cross-language expertise lets me bridge gaps between Java-based enterprise systems and Rust-powered high-performance components. If you’re looking for a professional who combines strategic vision with the grit to deliver production-ready code—someone who can architect a system, and write the Rust or Java code that makes it run—I’m the candidate for you. Thank you for reviewing my profile. I’m eager to discuss how my hands-on experience can add value to your team.

Passionate developer with 5+ years of experience in developing high-performance desktop applications, proficient in both cross-platform and native development approaches. - I have knowledge in HTML, CSS, JavaScript, React and Svelte. to create beautiful and responsive WebView applications using Tauri and Electron. - For critical performance projects, I use Rust, C and low-level system APIs (Win32, Xlib, Xcb) along with graphics APIs (OpenGL) to deliver optimized solutions.

Fullstack AI Specialist | Building Scalable Solutions for Sales and Startups With over 4 years of experience, I specialize in leveraging AI and automation to drive impactful solutions for startups. My focus over the past three years has been on helping companies harness the potential of AI, developing sophisticated RAG systems, custom LLMs, and an automation platform tailored for scalable applications. In 2024, I’m channeling my expertise to automate and optimize sales operations through AI-driven tools, including: - Voice agents for inbound/outbound sales calls with advanced analytics - Lead-gen bots integrated with CRMs for streamlined scheduling - Automated email sequences to boost sales efficiency 📈 Why Work with Me? 🌟 Ready-to-Deploy Automation: Proprietary platform with tools for prompt engineering, RAG integration, chatbot development, and more, ensuring swift project start and faster results. 🌟 Product-Focused Mindset: Experience in startups building user-centric products. 🌟 Sales & CRM Expertise: Hands-on experience with CRMs, lead funnels, and sales lifecycle management. 🌟 Equipped with state-of-the-art technologies for ML and NLP and AI Chatbots. ➤ Tech Skills: ➤ Large Language Models: - OpenAI (GPT-3/4/4-turbo, - ChatGPT, Embeddings), - Claude Models, - Meta Models (Llama, Llama-2), - Hugging Face Transformers (BERT, RoBERTa, Mistral, Starling-LM), - custom-trained AI/NLP models. ➤ Generative AI and Chatbot Frameworks: - LangChain, Hugging Face, Chainlit, OpenAI Assistant - Pinecone, MongoDB, Faiss - Vector Databases - Langfuse, Chatbase, Botpress, Bedrock - Voiceflow, Dialogflow ➤ ML and NLP Frameworks: - TensorFlow, PyTorch, Hugging Face, Keras, Scikit-learn - Spacy, Gensim, AWS Sagemaker, Google AutoML ➤ Full-Stack Web Development: -Front-End: React, Next.js, Redux, TypeScript, JavaScript -Back-End: Python, Go, Rust, Django, FastAPI -Databases: MongoDB, PostgreSQL, Firebase, MySQL ➤Seamless DevOps Integrations: - CI/CD, Git (GitHub, Bitbucket), Docker - AWS (EC2, Lambda, S3, API Gateway, RDS, Kinesis), Azure (Azure ML), Heroku Let’s connect to discuss how my AI and automation solutions can bring your project to life!