Hire the Best HAproxy Developers in Cairo, EG

I fix bugs fast and build things that work. Backend broken? Database slow? App crashing? Server down? Send me the details — I'll diagnose it and give you a clear plan within hours. What I deliver: → Bug Fixing — fast diagnosis, fast turnaround, across any stack I know → Laravel & PHP — APIs, performance optimization, N+1 fixes, full backend systems → Python & Django — automation, backend services, scripting, data processing → Android Apps — Kotlin, Java, Firebase, Room DB, Play Store publishing → MySQL & Databases — query optimization, ClickHouse, schema design, migration → DevOps & Linux — server setup, hardening, Docker, Ansible, Nginx, CI/CD 9+ years building and maintaining production systems at scale. RHCE, RHCA, CCNA certified. I've managed infrastructure serving 50,000+ concurrent users and built data pipelines processing millions of records

I am interested into Linux/Unix OS field & started learning & using it since 2005 I have experience in the following : Control Panels : WHM/cPanel, CWP, VestaCP, DirectAdmin, Webmin, Kloxo, & Plesk Operating Systems : AlmaLinux, CentOS, Red Hat, Ubuntu, Debian, SUSE, Knoppix STD, Kali, Oracle Solaris, & Microsoft Windows Server 2025 Web Servers : Apache, Nginx, LiteSpeed, Varnish, & IIS Databases : MySQL, MariaDB, MySQL Replication, MariaDB Galera Cluster, MongoDB, PostgreSQL, Redis, RabbitMQ, Kafka, & Microsoft SQL Server CMS Applications : vBulletin, Joomla, OpenCart, WordPress, Moodle, & Magento ERP : Odoo, & NextERP Scripting Tools : Bash, Awk/Sed, & Expect Programming Languages : Java (Basics), & Python Mail Servers : Exim, Postfix, Zimbra, & Dovecot Virtualization : KVM, OpenVZ, Xen, Proxmox, & LXC Containerization & Orchestration : Kubernetes, Docker, Containerd, OpenShift, & Portainer Monitoring Systems : Nagios, Zabbix, Cacti, Logwatch, Grafana, Prometheus, & Node Exporter Servers : Bind, SSH, SSL, Pure-FTPd, Vsftpd, Kickstart, NTP, & DHCP Authentication : LDAP, & Keycloak Firewall : Iptables, Firewalld, UFW, CSF, & OPNsense Clusters (Load Balancing & High Availability) : HAProxy, Pacemaker, Heartbeat, & Keepalived Sharing : NFS, GlusterFS, Samba, & iSCSI File Systems : XFS, ext3/ext4, RAID, LVM, & GFS Protocols : HTTP, TCP, UDP, IP, & ARP Routing : LAN, VLAN, & NAT Backup Tools : Rsync, Bacula, R1Soft, & Wasabi Security : OpenVPN, SELinux, Tcpdump, Netcat (nc), ModSecurity, & Site-to-Site VPN Anti-Virus / Anti-Malware : ClamAV, Maldet, ISPProtect, & ImunifyAV Version Control : Git, GitHub, & GitLab Infrastructure as Code (IaC) : Helm, Ansible, & Terraform Web Conferencing : BigBlueButton (BBB), Mconf, Apache OpenMeetings, Jitsi, & Matrix (Synapse) Cloud : DigitalOcean, AWS (Amazon Web Services), GCP (Google Cloud Platform), & Microsoft Azure CI/CD : Jenkins, GitLab Runner, & Argo CD Penetration Testing Tools : OpenVAS, Nikto, OWASP ZAP, & Metasploit Framework Blockchain : Hyperledger Fabric

"Your Infrastructure is the backbone of your business. Don't leave it to chance—build it for scale, security, and performance." As a Senior Solutions Architect & Full-Stack Developer with over 12 years of battle-tested experience, I specialize in building, securing, and automating high-performance digital ecosystems. I bridge the gap between Software Engineering and Cloud Infrastructure, ensuring that your applications don't just run—they thrive. Whether you are migrating to the cloud, automating a DevOps pipeline, or requiring custom software integrated with enterprise systems like ERPNext, I provide the strategic oversight and technical execution needed to deliver ROI. 🚀 Core Expertise & How I Add Value: Cloud & Infrastructure Architecture: Designing resilient, auto-scaling environments on AWS, Azure, and Hybrid Cloud. Expert in high-availability clusters using VMware (vSphere/ESXi) and Proxmox VE. Full-Stack Development: Custom software and web development using modern frameworks. I specialize in building secure, scalable applications that are optimized for the underlying server environment. DevOps & Automation: Implementing CI/CD pipelines, Infrastructure as Code (IaC), and automated monitoring to reduce human error and operational costs. Cybersecurity & Hardening: Enterprise-grade security including WAF (Cloudflare) optimization, malware eradication, and advanced DNS security (Infoblox). I build "Zero Trust" environments. Enterprise Solutions (ERPNext / Frappe): Expert-level deployment, custom Python/JS scripting, and seamless integration with eCommerce and third-party APIs. High-Volume Email Infrastructure: Specialized in self-hosted email delivery solutions (MTA) designed for high deliverability and security. 🛠 Technical Arsenal: Virtualization: VMware vSphere, Proxmox, KVM. Development: Python, PHP, JavaScript, SQL, Custom Scripting. Web & CMS: WordPress & WooCommerce (Expert Tuning), ERPNext/Frappe. Cloud & Networking: AWS, Azure, DigitalOcean, Cisco, Aruba, Cloudflare (WAF/Workers). Security: Malware Cleanup, Server Hardening, VPNs, SSL/TLS, Disaster Recovery. Monitoring: Zabbix, Grafana, Prometheus. 💎 Why Clients Choose Me: The 360° Perspective: I understand the code and the container. This hybrid expertise allows me to troubleshoot issues that others miss. Enterprise Experience: 12+ years managing complex environments for hosting providers and large-scale businesses. Security-First Mindset: I don't just build for functionality; I build for defense. Business-Centric Communication: I translate complex technical jargon into clear business decisions. Stop managing technical debt and start scaling. Let’s connect to discuss your project requirements. "In the age of AI, infrastructure is no longer just about uptime—it's about Intelligence and Speed." As a Senior Solutions Architect & AI Developer with 12+ years of experience, I don’t just build systems; I build Intelligent Ecosystems. I bridge the gap between heavy-duty Cloud Infrastructure and cutting-edge Artificial Intelligence, enabling businesses to automate complex workflows and gain a massive competitive edge. I specialize in the "Modern Tech Trifecta": Robust Cloud Architecture, Scalable Full-Stack Development, and Custom AI Integration. Whether you need to deploy a private LLM, build a RAG-based AI agent, or secure a global enterprise network, I deliver production-ready solutions that scale. 🚀 The High-Value Pillars I Deliver: 1. AI Engineering & Intelligent Automation (New & Powerful) LLM Integration: Developing custom applications powered by OpenAI, Anthropic, or Open-Source models (Llama 3, Mistral). RAG Systems: Building "Chat with your Data" solutions using Vector Databases (Pinecone, Weaviate) for intelligent document retrieval. AI Agents: Designing autonomous agents for task automation using frameworks like LangChain or CrewAI. AIOps: Implementing AI to monitor, predict, and auto-heal cloud infrastructure. 2. Enterprise Cloud & DevOps (The Foundation) Architecture: Designing high-availability environments on AWS & Azure. Virtualization: Expert-level optimization of VMware (vSphere) and Proxmox for maximum hardware utilization. CI/CD: Automating the bridge between code and deployment for seamless, zero-downtime updates. 3. Full-Stack Web Engineering Custom Development: Architecting scalable backends and intuitive frontends that integrate seamlessly with AI APIs. ERP Systems: Deep customization of ERPNext & Frappe, including AI-driven insights and automated reporting. 4. Cybersecurity & Defense Hardening: Protecting AI models and sensitive data from leaks and attacks. Network Security: Advanced Cloudflare configurations (WAF, Workers, Zero Trust). 🛠 Technical Arsenal (Advanced) AI & Data: OpenAI API, LangChain, Vector DBs, Python (FastAPI/Flask), HuggingFace. Infrastructure: AWS (EC2, S3, Lambda), Azure, VMware, Proxmox, Docker, Kubernetes. 📩 Click "Invite" or "Hire" to start a conversation.

Server down? Site loading slow? Need to host a new application or automate your business workflow? I help businesses deploy, host, and maintain Linux production systems — fast, clean, and fully documented. I'm Islam Atwa, an RHCSA-certified Linux & DevOps Engineer with 4+ years of hands-on experience managing servers, containers, hosting environments, and automation pipelines across Ubuntu, Red Hat, Rocky Linux, CentOS, and SUSE. What I can do for you • Host any web application on a Linux VPS or dedicated server (Laravel, Node.js, Python, PHP, static sites) • Deploy and manage applications with Docker & Docker Compose • Set up n8n workflow automation (self-hosted, with SSL, queue mode, and integrations) • Install and configure WHMCS for hosting/billing businesses • Fix server downtime, errors, and performance issues — fast • Set up and harden Linux servers from scratch (security + performance) • Configure Apache, Nginx, PHP, MySQL, and reverse proxies • Migrate websites and services between servers, hypervisors, or data centers • Implement monitoring (Zabbix, Grafana) and backup strategies (Veeam, Veritas) • Manage VMware ESXi & vCenter environments • Configure DNS, mail (BIND, Postfix, FortiMail), and AD/LDAP integrations My Tech Stack Linux (RHEL, Ubuntu, Rocky, CentOS, SUSE) • Docker • Docker Compose • Nginx • Apache • Bash • n8n • WHMCS • Laravel • Node.js hosting • VMware ESXi/vCenter • Nutanix • Zabbix • Grafana • Veeam • Veritas • BIND • Postfix • Active Directory • LDAP ★ Why clients hire me ★ 100% Job Success Score on Upwork RHCSA Certified (2024) | Nutanix NCA6 | Red Hat Virtualization (RH318) Clear communication + full documentation of every change I take ownership — when something breaks, I fix it without back-and-forth If you need a reliable engineer who can host your application, automate your workflow, or rescue your server — let's talk.

Linux System Administrator with 10+ years of experience in cPanel/WHM, web hosting, migrations, DNS, email delivery, server hardening, backup systems, and troubleshooting. I help hosting companies and businesses manage Linux servers, secure cPanel environments, fix mail and DNS issues, and perform migrations with minimum downtime. Strong hands-on experience with cPanel/WHM, Apache, Nginx, LiteSpeed, Exim, MySQL, SSL, backups, and production support. My core services include: - cPanel/WHM server administration - Website and account migrations - DNS, email delivery, and SSL troubleshooting - Apache, Nginx, and LiteSpeed support - Exim, MySQL, and PHP issue diagnosis - Backup setup, verification, and recovery - Server hardening and routine security checks - General Linux troubleshooting and production support I work with hosting providers, agencies, and businesses that need reliable Linux and cPanel support for day-to-day operations and urgent technical issues. I focus on practical, production-safe work, clear communication, and stable long-term solutions.

I'm ambitious and dedicated to whatever comes my way. I always find creative solutions to tackle issues that arise with clients. Due to my perfectionism, these solutions are usually the most optimal resource and time wise. I'm very well able to communicate clearly with clients to understand their needs and translate them well into the final high quality product, being also able to suggest brainstorm and suggest ideas to save resources and improve the product's final features and usability. Most Importantly, I am truly passionate about my work, and find pleasure in being challenged and put to my limits to find unorthodox and out of the box fixes and features for the product, I'm not looking to just fit deadlines and pass by tasks, I'm hoping to deliver the best possible product that best fits the criteria requested by customers