Hire the Best HAproxy Developers in Hanoi, VN

With 15+ years of expertise, I empower businesses by optimizing infrastructure, automating processes, and leveraging AI on AWS and Linux. I architect intelligent, scalable, and cost-effective solutions to complex challenges. ⭐ Professional Certifications: AWS Certified DevOps Engineer – Professional AWS Developer Linux LPI 1, 2 💡 Key Expertise & Services: ☁️ AWS Cloud Mastery (Architecture, SysOps, DevOps): Solutions Architecture: Designing highly available, scalable, fault-tolerant AWS systems. Expert in "lift and shift" migrations. Cost Optimization: Proven ability to significantly reduce AWS bills through effective cost control strategies. Security Focus: Deep expertise in IAM, VPC, Security Groups, S3 ACLs, WAF, CloudTrail, GuardDuty. Modern Deployments: Blue/Green, Canary strategies. Core AWS Services: EC2, S3, Glacier, RDS, DynamoDB, Lambda, API Gateway, ECS, Fargate, EKS, VPC, Route 53, CloudFront, CloudWatch, CloudFormation, Terraform. 🐧 Linux System Administration & On-Premise: Advanced Admin: Optimizing and maintaining on-premise & cloud Linux systems. High Availability (HA): Sentinel/Redis, Percona/Galera, GlusterFS/Ceph, Keepalived/HAProxy. Web & DB Services: Nginx, Apache, Tomcat; MySQL, PostgreSQL, MS SQL, MongoDB, InfluxDB (setup, tuning, troubleshooting). Scripting: Bash, Python. 🤖 AI & Workflow Automation Integration (NEW!): n8n Workflow Automation: Designing complex automated workflows, connecting diverse apps & AI services to streamline operations. AI Agent Development: Building & integrating intelligent AI agents for task automation, data analysis, & decision support. MCP Server Management: Administering & optimizing MCP Server environments for critical applications, including AI workloads. AI Solutions Consulting: Integrating AI solutions to boost efficiency and competitive advantage. 🔧 DevOps & Infrastructure as Code (IaC): CI/CD Pipelines: Automating build/deploy from Git (GitHub, GitLab, etc.) to AWS (EC2, Lambda, ECS) using Jenkins, CircleCI, GitLab CI, AWS CodePipeline. IaC & Config Management: Ansible, Terraform, CloudFormation for automated server builds, patching, & consistent infrastructure. 💠 Virtualization & Containerization: VMware vSphere, Citrix XenServer: Setup, configuration, management. Docker: Optimized Dockerfiles, Docker-compose; expertise in Docker networking, storage, registry, security. Kubernetes (K8s): Architecture, Pods, Volumes (PV/PVC), Networking (CNI, Ingress), Health Checks, Deployments (Rolling, Blue/Green), Services, Secrets, ConfigMaps, RBAC, Helm. Storage with GlusterFS/Ceph. 📊 Monitoring & Logging: Comprehensive Monitoring: Zabbix, Prometheus, Grafana, ELK Stack, AWS CloudWatch. Custom Alerts & Dashboards: Proactive issue detection via Slack, Email, SMS. 🎯 Project Highlights & Achievements: Delivered impactful solutions across diverse sectors: Fintech, E-commerce, Travel, Real Estate, Healthcare, Media. Advised startups & enterprises on AWS adoption, cost optimization, and security best practices. Managed container workloads (ECS, Fargate, EKS) & serverless stacks (Lambda, API Gateway, DynamoDB). Resolved complex VPC/Networking issues & hardened AWS security (IAM, WAF, GuardDuty). Audited AWS architectures for cost, security, HA, and performance. NEW: Automated critical business processes using n8n and deployed AI agents for enhanced analytics & operational efficiency. 🤝 Why Partner With Me? I offer a potent blend of deep infrastructure knowledge, AWS Cloud mastery, and cutting-edge AI automation skills. I'm a strategic partner committed to: Reducing operational costs through smart optimization and automation. Boosting system security and reliability. Accelerating development and deployment. Driving innovation with intelligent solutions. Ready to elevate your project? Let's connect!

🚀 Are you looking for a System & DevOps Specialist who can design, deploy, and optimize secure infrastructures for scalable, high-traffic applications? I have hands-on experience working with enterprise-level systems and large-scale projects, covering everything from traditional servers to modern cloud-native environments. 🔹 Core Expertise Operating Systems: Linux (Ubuntu, CentOS, RHEL), Windows Server Web Servers & Proxy: Nginx, Apache, HAProxy Cloud & CDN: AWS, Azure, GCP, VMware, Cloudflare Containerization & Orchestration: Docker, Kubernetes (K8s), Helm CI/CD & Automation: Ansible, Terraform, GitLab CI, Jenkins Security & Optimization: SSL/TLS, WAF, system hardening, load balancing, caching Monitoring & Logging: Prometheus, Grafana, ELK stack 🔹 What I Deliver ✅ Reliable and secure infrastructure for mission-critical apps ✅ High availability & performance tuning for heavy workloads ✅ Seamless integration across cloud, on-premise, and hybrid environments ✅ Professional documentation & responsive support Although I am new to Upwork, I bring real-world experience from large companies and critical deployments. I am committed to delivering secure, efficient, and scalable solutions that align with your business goals. 💡 Let’s connect and discuss how I can help take your infrastructure to the next level.

I have 20+ years of experience of web app development, ERP (Odoo) development, system administration (Linux and Windows), website design, graphic design and UI development. I aim to provide 100% client satisfaction, best value at reasonable cost. I've been working with Odoo since version 9, including all enterprise add-ons. I'm experienced in building, deploying and maintaining many Odoo customization in SaaS model, serving large scale clients. I can provide high-quality Odoo work at a reasonable price. I have 3000+ addons in my repos so fast turnaround for any customization needs. I can set up and deploy Odoo on the Ubuntu cluster in a High Availability setup or single instance on clouds like AWS, GCP, Azure, OVH, and Digital Ocean... I've been working on graphic design, slicing HTML from Photoshop and building website templates for WordPress and Joomla for years. I have also done websites using Wix platform focusing on nice graphics and page content, and styling forms using CSS so that they look professional. I always pay attention to details and test the page on different browsers and device view sizes so that the site works great for all visitors. I also customize Zen Cart and Magento modules and develop WordPress themes and plugins. I can work on both the front end and back end. My favorite back-end languages are Python, PHP and Node.js. My front-end languages are HTML5, CSS, jQuery, JavaScript, React and Bootstrap. For DBs I can work with PostgreSQL, MySQL, MongoDB and MS SQL Server well. My development environment uses self-hosted GitLab with CI/CI setup. I can work as DevOps or system admin on both Linux/Unix and Windows. I've been integrating WordPress plugins and websites with different platforms to synchronize orders, customers, and products and also integrate with dropship vendors for the product details, shipping rate, sales price markup, etc. My services: * Odoo App Development Transform your business ideas into tangible software solutions with my Odoo development services. I provide full-scale Odoo app development services to help enterprises build innovative software applications that are conducive to streamlining and automating complex operational workflows. I also develop mobile apps using Odoo as the backend. * Odoo Customization and Integration Optimize your Odoo applications and modules as per varying business needs with my Odoo customization services. I specialize in integrating Odoo solutions with a variety of proprietary modules, plugins, and third-party services. * Odoo Migration I use effective methodologies to safely migrate your mission-critical business data from its existing tech stack to Odoo. I provide hassle-free Odoo migration services to facilitate seamless migration of data to Odoo to achieve improved performance and efficiency. * Odoo Quality Assurance and Testing My Odoo development services include end-to-end software testing and quality assurance to ensure your business app remains bug-free. I use agile methodologies to holistically test your Odoo system on several performance metrics to detect bugs, glitches and loopholes. * Odoo Support and Maintenance My technical support services focus on maintaining a uniform app performance across a myriad of devices and platforms. I continuously monitor your app performance and take essential measures to prevent downtime and eliminate potential points of failure. * WordPress WordPress theme and plugin development and customization. * System admin Windows/Linux (especially Ubuntu) system setup and administration. DevOps, GitHub, GitLab, CI/CD setup and maintenance. * Web Application Language/Framework Python, Odoo, Flask Node.JS PHP, Laravel, WordPress, Magento .Net, C#, MVC JAVA Core, Spring, Hibernate * Front-end Development Technology HTML5/CSS3 LESS, SASS, SCSS Bootstrap JavaScript, TypeScript jQuery, Angular React, Vue.js * Database PostgreSQL MySQL MS-SQL MongoDB Redis * Middleware Nginx Apache Tomcat Internet Information Services * Operating System Linux Windows iOS Android * Cloud Amazon Web Services Google Cloud Platform Microsoft Azure Digital Ocean OVH