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Hi, I'm Bill, an experienced developer with a strong focus on backend developing, data engineering and automation. I am experienced in developing Restful API services, data scraping & cleaning & processing, FIX protocol, multi-source data integration, tool & script developing, etc. I mainly use Java & Python & C++ & SQL & shell, and am familiar with many technologies including MongoDB, MySQL, Redis, ClickHouse, ELK(Elasticsearch&Logstash&Kibana), Kafka, Zookeeper, Docker, K8s, MQ(ActiveMQ, RocketMQ, etc), Pandas, OpenPyXL, Numpy, FastAPI, Flask, etc.

I am an AI Solutions Architect, RAG Specialist, AI Agent Developer, and Senior DevOps Engineer with over 15 years of cross-industry experience, including automotive, telecommunications, retail, digital agriculture, e-commerce, and enterprise IT consulting. My expertise lies in integrating cutting-edge AI technologies with robust cloud infrastructure to build scalable, reliable, and business-driven intelligent systems. ⸻ 🚀 AI / LLM / Agent Expertise AI Agents & Automation Systems Experienced in designing and building end-to-end intelligent agent workflows using: • n8n, Agno, Composio • LangChain, PydanticAI • Multi-agent collaboration architectures • Enterprise automation & workflow orchestration Retrieval-Augmented Generation (RAG) Deep expertise across the entire RAG stack: • Enterprise knowledge bases • Document ingestion (PDF, HTML, Confluence, SharePoint, email, etc.) • Vector databases (Qdrant, Pinecone, Milvus, LanceDB) • Multi-modal retrieval • Latency/accuracy optimization for production RAG pipelines Large Language Models (LLMs) Hands-on experience with: • Azure AI Foundry / Azure OpenAI • Google Gemini • Anthropic Claude • DeepSeek • Alibaba Qwen (DashScope) Expert in prompt engineering, tool integrations, agent planning, and Model Control Protocol (MCP). Model Deployment & Infrastructure • On-prem / hybrid / cloud model hosting • LLM traffic routing & gateway design • Cost optimization strategies • Enterprise security, audit, and compliance ⸻ 🛠️ DevOps / Cloud / SRE Expertise • Kubernetes: ACK, AKS, EKS, GKE, K3s • Cloud: AWS, Azure, GCP, Alibaba Cloud • IaC: Terraform, Terragrunt, Crossplane • CI/CD: GitHub Actions, GitLab CI, Azure DevOps • Observability: Prometheus, Grafana, Thanos, ELK, CloudWatch • Secure infrastructure: IAM, VPC, RBAC, Secrets management • High availability, auto-scaling, service mesh (Istio / Kuma) ⸻ 💻 Software Development Skills • Backend: Go, Python, Node.js, Java • Frontend: React, Next.js, Vue • API Design: REST, GraphQL, gRPC • Automation: Shell, Python, TypeScript • Databases: PostgreSQL, MySQL, Redis, MongoDB Capable of delivering full life-cycle development from architecture to deployment. ⸻ 🎓 Industry Certifications • AWS Certified Solutions Architect – Professional • Microsoft Certified (Azure Fundamentals & Professional) • HashiCorp Certified: Terraform Associate • Certified Kubernetes Administrator (CKA) • SAFe® 5 DevOps Practitioner ⸻ 🌍 Key Strengths • Strong cross-cultural communication; extensive experience with global teams • Deep understanding of China’s technology ecosystem, compliance, and cloud environment • Ability to bridge business needs with technical execution • Proven record of delivering complex projects with clarity and leadership • Customer-centric mindset with a focus on long-term value ⸻ ⚡ My Value Proposition I help organizations: • Build advanced AI Agent automation systems • Deploy enterprise-grade RAG knowledge platforms • Establish modern DevOps & cloud-native infrastructure • Integrate AI into real-world workflows • Improve engineering efficiency, reduce operational costs, and scale intelligently I specialize in turning complex technical problems into simple, stable, and effective solutions. ⸻ 🤝 Let’s Work Together If you’re looking to enhance your business with AI, automation, or modern cloud engineering, I can help you design and deliver a solution tailored to your goals.

🏆 Top Rated in Upwork 🏆 10+ years experience with DevOps & SRE 🤓 4x Microsoft Azure Certified 🤓 2x AWS Certified 🤓 1x NVIDIA Certified 🏆 100% Job Success Rate I have 14+ years of DevOps and SRE experience, with a focus on Cloud Infrastructure(AWS,Azure,GCP), automation, Docker/Kubernetes and CI/CD pipelines. T̲h̲i̲s̲ ̲i̲s̲ ̲m̲y̲ ̲P̲r̲o̲f̲e̲s̲s̲i̲o̲n̲a̲l̲ ̲C̲e̲r̲t̲i̲f̲i̲c̲a̲t̲i̲o̲n̲ ̲:̲ 🥇 NVIDIA Certified AI Infra and Ops Expert 🥇 𝑲𝒖𝒃𝒆𝒓𝒏𝒆𝒕𝒆𝒔 Administrator CKA 🥇 𝑨𝑾𝑺 Solution Architect 🥇 𝑨𝑾𝑺 SysOps Administrator 🥇 𝑨𝒛𝒖𝒓𝒆 Administrator 🥇 𝑨𝒛𝒖𝒓𝒆 Power BI Data Analyst 🥇 𝑨𝒛𝒖𝒓𝒆 Fundamentals 🥇 𝑨𝒛𝒖𝒓𝒆 Data Fundamental 🥇 𝑶𝒓𝒂𝒄𝒍𝒆 Generative AI Certified Professional 🥇 𝑮𝒐𝒐𝒈𝒍𝒆 Prompting Essentials Beyond traditional DevOps, I have managed and optimized big data and AI platforms at scale, applying AIOps practices to improve observability and automate incident resolution, and supporting MLOps workflows to enable model training, deployment, and monitoring in production environments. I have led multiple end-to-end DevOps transformations, from proof-of-concept to enterprise-wide adoption, while mentoring engineering teams and acting as a hands-on technical lead. With a strong ability to bridge business and technology, I ensure alignment between technical solutions and business outcomes, consistently improving uptime, scalability, and cost efficiency. This unique blend of DevOps, AIOps, and MLOps expertise allows me to deliver both enterprise-grade CI/CD and cloud automation as well as modern ML/LLM infrastructure. ⚙️ Key Skills Cloud & Virtualization: AWS, Azure, VMware vSphere, Docker, Kubernetes Infrastructure as Code: Terraform, Ansible, CloudFormation CI/CD & Automation: Jenkins, GitLab, GitHub Actions, Bitbucket Pipelines, Artifactory, Rundeck Monitoring & Observability: Prometheus, Grafana, Dynatrace, AIOps frameworks Logging & Analytics: ELK Stack (Elasticsearch, Logstash, Kibana) Programming & Scripting: Bash, Python, Go Databases: MySQL, Azure SQL Operating Systems: Linux (various distributions), Windows Server AI/ML Platforms: AIOps practices, MLOps pipelines, MLflow, DVC AI Infrastructure (emerging focus): GPU Operator, KubeRay, Ray Serve, vLLM, CodeFlare Pipelines 🎯 Areas of Expertise DevOps & SRE: CI/CD pipelines, Kubernetes clusters, Infrastructure as Code, cloud automation, and site reliability engineering. AIOps & MLOps: Big data & AI platform operations, intelligent monitoring, automated incident response, and ML lifecycle management. Cloud Platforms: 10+ years with AWS and Azure, including hybrid and multi-cloud strategies. AI Infra (Add-on Capability): Hands-on with GPU Operator, KubeRay, and LLM serving via Ray Serve + vLLM. Team Leadership: 6+ years managing and mentoring DevOps/SRE teams, driving adoption of modern tooling. Business & Strategy: OMMBA certified, skilled in aligning technical solutions with business goals.

I work mainly in system administration, automation, and monitoring. I'm a Red Hat Certified Engineer (RHCE), and I enjoy keeping systems running reliably while making life easier through scripts and small tools. Some of what I do: Manage and maintain servers and infrastructure, I have experience managing over five hundred servers. Write scripts and automation to save time and reduce errors, Set up monitoring with tools like Zabbix, Prometheus, and Grafana Provide support and management for cryptocurrency communities Develop handy tools (like auto-tools ) I also contribute to the Web3 community as an Autonomys Ambassador/Moderator, creating utilities that help users better understand network conditions. I like projects where I can solve problems practically and make systems more reliable and efficient. Thanks for taking the time to read this. Ultimately, helping people is what drives me, and that’s not an empty phrase—it’s the reason I do what I do.

I'm a fullstack developer and DevOps engineer. I'm proficient in React.js and I'm skilled in Python, Go, TypeScript, and Rust, adept at crafting APIs and implementing complex back-end logic. As a DevOps enthusiast, I manage Linux systems, automate deployments, ensure continuous integration, and conduct performance analysis for efficient production environments. I bring problem-solving skills, and adaptability to every project. I stay updated with the latest tech trends to provide cutting-edge solutions.

Hi, I am an expert and highly experienced projects related to enterprise digital transformation and web application development. · Eight years front-end development experience. · Five years DevOps Engineer experience. · Three years smart contract development experience. · Full project management from start to finish, I have my own team that can quickly implement all kinds of customized applications and app development. · Project budget, design, delivery, requirement management.