I build intelligent AI systems that solve real business problems—from voice agents to RAG pipelines to complex workflow automation. ### What I Do: AI & LLM Integration: - Offline AI systems with local LLMs (Llama, Mistral, Qwen) - RAG pipelines for document processing and Q&A - AI voice agents with real-time interaction - Custom chatbots and conversational AI Workflow Automation: - n8n workflow design and implementation - CRM integrations (GoHighLevel, HubSpot, Booking Koala) - Multi-channel communication automation (Email, WhatsApp, SMS) - Lead generation and qualification systems Full-Stack Development: - Backend: Python (FastAPI, Django), Node.js - Frontend: React, TypeScript - Databases: PostgreSQL, MongoDB, ChromaDB, FAISS - Cloud & DevOps: AWS, Docker, CI/CD pipelines ### Why Work With Me: ✓ Production-Ready Solutions: I build systems that work reliably in real-world environments ✓ Clear Communication: Regular updates, detailed documentation, transparent timelines ✓ Technical Depth: 4+ years building AI/ML systems with proven portfolio ✓ Business Focus: I understand ROI and build solutions that drive results ✓ Long-Term Partner: Available for ongoing support and iteration ### Recent Projects: - Offline RAG System: 40GB document processing with air-gapped LLM deployment - AI Voice Agent: Real-time conversational AI with CRM integration - n8n Automation: Multi-step workflows connecting 10+ platforms - Technical VA Systems: Complete automation pipelines for lead generation ### My Approach: I don't just write code—I solve problems. Every project starts with understanding your business goals, then building the most efficient technical solution. I document everything, communicate proactively, and ensure you can maintain what I build. ### Beyond Client Work: Co-Founder of @PlayOwnAi where I teach AI development. Currently building AICallCenter and crew-based AI systems. ### Let's Build Something Great: Whether you need a one-time technical implementation or a long-term development partner, I'm here to deliver quality work that exceeds expectations. Available for: - AI/LLM integration projects - Automation and workflow development - Technical partnership for agencies - Ongoing development and support 📩 Message me to discuss your project. I respond within 24 hour

I help tech leaders and IT managers optimize infrastructure, automate deployments, and ensure high availability with confidence. With 5+ years of experience in Linux system administration and DevOps, I design, deploy, and support scalable, secure platforms leveraging Kubernetes, Terraform, and cloud-based virtualization, delivering reliable solutions for diverse industries. WHAT SETS ME APART Proven expertise: Successfully managed complex infrastructure and container orchestration projects with consistent client satisfaction. Automation & reliability: Streamlined CI/CD pipelines and Infrastructure as Code for error-free deployments and system resilience. Security-focused: Implemented proactive security measures including SELinux, firewalls, and audit-ready monitoring. High availability: Designed and maintained clusters with Pacemaker, Corosync, and DRBD to ensure minimal downtime and disaster recovery readiness. SOLUTIONS I PROVIDE Kubernetes & CI/CD: End-to-end deployment automation using ArgoCD, GitLab, and Nexus Repository. Infrastructure as Code: Terraform-driven provisioning to maintain consistent and easily reproducible environments. Server & Hosting Management: Apache, Tomcat, HAProxy, WordPress, Zimbra, OwnCloud, NextCloud, with SSL and load balancing configuration. Monitoring & Security: Centreon and Prometheus for proactive alerting; firewall and SELinux hardening. Cloud & Virtualization: OVH cloud, KVM, VirtualBox, and Bind9 DNS configuration for flexible infrastructure design. Feel free to reach out with details about your current setup and any challenges you’re facing — I’ll create a customized strategy to enhance your infrastructure’s performance, security, and operational effectiveness.

✅RedHat certified ✅cPanel certified With over 12 years of hands-on experience, I specialize in managing and optimizing Linux& Windows based systems. I am proficient in Linux / Windows commands and user management, ensuring efficient and secure server operations. I have extensive experience installing and configuring control panel servers like cPanel, Plesk, DirectAdmin, and ISPConfig. These tools help streamline server management tasks, making complex operations more accessible and efficient. My expertise includes setting up and managing cluster environments to handle high traffic demands. I have installed and configured load balancers, Nginx web servers, IIS and MySQL databases for optimal performance and reliability. Additionally, I have implemented Nginx caching solutions to enhance performance and reduce server load, providing a seamless user experience even under heavy traffic. In database management, I have experience with MySQL clustering and master-slave configurations. These setups ensure data redundancy, scalability, and high availability for critical applications. I have also worked with clusters for various CMS applications, including WordPress, Joomla, Magento, and Drupal, and have installed and configured Redis, Varnish Cache, and Memcache to boost performance. I conduct performance audits for high-traffic sites and security audits for websites and servers to ensure they run smoothly and securely. Key Skills: - Linux Commands and User Management - Control Panel Servers (cPanel, Plesk, DirectAdmin, ISPConfig) - Cluster Environments and Load Balancers - CMS Clusters (WordPress, Joomla, Magento, Drupal, and others) - Nginx Web Servers and Caching - Varnish Cache and Memcache - Redis Installation and Configuration - MySQL Databases and Clustering - Performance Audits for High-Traffic Sites - Security Audits for Websites and Servers - MySQL Database Crash Recovery and Repair for MyISAM and InnoDB Engines - Expertise in Industry-Leading Web Hosting Control Panels (cPanel,Plesk,Directadmin,ISPConfig) -cPanel certification -LiteSpeed certification -RHEL certification -WordPress migration using plugin -WordPress migration manually I am passionate about using my technical skills to optimize server performance, ensure security, and support business growth. My commitment to continuous learning and staying updated with the latest industry trends has been key to my success in this ever-evolving field.

★★★★★ North America - Canada - PHP MySQL Programmer / Web Developer With over 20 years of experience as an expert in Web Development and programming. Professionalism and commitment to each project. Whether it is simple edits, debugging, or a highly complex custom database application, I am committed to ensuring the satisfaction of my clients. I have an array of tools at my disposal, and I am certain that I can find the right solution for your business. Developer Programmer PHP/MySQL Database MVC JavaScript AJAX JQUERY HTML5 CMS WordPress Framework CodeIgniter DESIGN Engineer Source Code Control PHP4 and PHP5 DHTML data administration Apache CSS OOP Object-oriented programming Database Applications MVC (Model–view–controller) – LAMP STACK Bootstrap – Content Management Systems – WordPress – Web Development – Web Programming – eCommerce – UI Design API’s – Facebook API – Google Maps API – Amazon’s Product Advertising API – AWS - Custom database application development – shopping carts – payment systems Winnipeg, Manitoba, Canada kendawson.ca

We have been delivering robust, production-grade VoIP solution and contact center solutions for over 14 years. Our strength lies in building systems that fit your operation precisely, not generic installs, but configured environments tuned to your traffic patterns, agent workflows, compliance needs, and reporting requirements. VICIDial Custom Development We handle end-to-end VICIDial work for inbound and outbound contact centers. This includes complete server configuration, campaign setup, agent screen customization, and GUI modifications. Custom reporting is one of our core strengths: Missed call and abandoned call reports Advanced agent performance reports Sale history and agent payment reports Billing reports based on custom rate structures Carrier reports with detailed hangup cause analysis Recording reports filtered by user, campaign, or date range Custom admin and manager dashboards Inbound/Outbound separate reporting views Beyond reporting, we build features that your agents and supervisors actually use daily, Soundboard GUI integration and modifications, single-click third-party call transfers, Trackdrive integration for lead posting, CRM integration via API, webform posting, data adjustment via API, custom webphone embedding, and agent-facing reports displayed directly on the agent screen. Agent layout changes are done as per your workflow, nothing is left as a default if it doesn't serve your team. Asterisk Full installation, hardening, and configuration Dial plan design for simple to carrier-grade environments Advanced AGI scripting for dynamic call routing and automation System integration across office PBX setups and large-scale deployments Custom application development on top of Asterisk core Auto-dialing and mass outbound dialing solutions SIP trunk configuration, failover routing, and call quality optimization VICIDial Skin & Theme Development We redesign VICIDial interfaces from the ground up, admin panels, agent screens, supervisor dashboards, replacing the dated default UI with cleaner, faster, and more intuitive layouts. Our skin development work focuses on usability improvements that reduce agent training time and make supervisor monitoring more efficient. Dialer Platforms We work across VICIDial, GoAutoDial, SoundBox Dialer, Voice Broadcast systems, Hylafax fax solutions, Trixbox, Elastix, Twilio integration, and Web-MeetMe conference setups. Why Work With Us We hand over source code. You are never locked into us for future changes, your team or any developer can pick up where we leave off. Rates are transparent. Scope is agreed before work begins. Deadlines are taken seriously.

I am Red Hat Certified Engineer (RHCE) & Microsoft Certified Solutions Expert (MCSE) and have more than 12+ years of experience in managing server infrastructures and operations across Linux, Unix, and Windows platforms. • In-depth knowledge and experience in Server Administration & IT Infrastructure. • Experience in Linux, Unix, Windows Server Operating Systems, and utilities. • Experience in Continuous Integration and Deployment using various CI tools like DevOps tools like Ansible, Docker, Git, Nagios, etc. • Good knowledge of container-based deployment using Docker, Docker Hub, Docker registers, and working on Docker images and Kubernetes. • Created virtual environments that involved VMWare ESXi, Proxmox, KVM, OpenVZ • Monitoring of servers and network equipment based on Zabbix, Cacti, Nagios, • Experience in network administration (Mikrotik, Cisco, Firewall) devices. My server administration expertise includes: - Linux (RHEL, Centos, Oracle Linux, Ubuntu, Debian) - Unix (Solaris/AIX/HPUX) - Windows Server 2019, Windows Server 2016, Windows Server 2012 - WHM : cPanel, Plesk, Webmin, Centos CWP - Virtualization: RedHat Virtualization, VMware (ESXi, vCenter), Hyper-V, Oracle VM VirtualBox Services: - Linux/Unix Services: NFS, Samba, Proxy, LDAP, Install SSL Certificate, Let's Encrypt Certbot SSL, Web Server (Apache, Nginx), FTP/SFTP, System Logging (rsyslog), DNS (Authoritative, slave, cache), NTP, DHCP, SSH, Firewalld, IPTables, SELinux, ACL, Resource Limits, Kernel Parameter, etc. - Windows Services: Microsoft Exchange Server, Active Directory, Office 365, DNS Server, DHCP Server, File & Storage Services, etc, - Bash Scripting, PowerShell Scripting. - MTAs: Postfix, qmail, Sendmail, zimbra, iRedMail, Webmin. - Storage: LVM, iSCSI, NAS, SAN, Software RAID, ASM Disk Management. - Cloud: Amazon Web Services (AWS), Google Cloud, Azure, DigitalOcean, Vultr, etc. - DevOps: Ansible, Docker, Git, Nagios - Application Deploy: Vue JS, Laravel, Node JS, WordPress, Joomla, Custom CMS, etc. - Database Administration: MySQL, Mariadb, PostgreSQL - Networking: Firewall, Mikrotik, CISCO, Switches

Hello Upworkers, I'm Sorabuddin Mallick, I am a red hat certified engineer and AWS certified, Linux is my passion, Certification-id: 180-104-689. Also AWS Certified Solutions Architect - Associate.I've been managing servers for 8 years. I'm an expert in performance enhancement, server & application security, and on-demand support services. I am committed to finding innovative solutions to a variety of IT problems, such as security, database management, and technical troubleshooting. My expertise is: *Install servers. Install and set up a control panel if desired. *Harden the server to meet strict compliance and security standards. *Create a DNS cluster for redundancy and automatic replication. *Improve the stability and performance of the server. *CI/CD using GitHub, Jenkin, Deploy on Tomcat, Lamda R&D *Boost email deliverability (IP Reputation Management, SPF, DKIM, and DMARC). *Install SSL certificates, set up your firewall, and enable fail2ban/LFD to protect against brute force attacks. *Install Web Application Firewall and Content Delivery Network (CDN) *Use NGINX/Apache, fail2ban, CSF, and tables to mitigate DDoS assaults. *Prepare for and carry out server migration. Site migration *For optimum speed and high traffic, install and set up Apache, NGINX (as a backend or reverse proxy), Varnish cache, Redis, Memcached, and PHP Apache Mail Server Knowledge: I oversaw the security, monitoring, optimization, general upkeep, and common services of Linux and Windows servers of various distributions (Apache, IIS, Nginx web servers, MySQL, MariaDB, PostgreSQL database servers, Exim mail server, etc. I will greatly appreciate an opportunity to discuss more about your project. Feel free to message me for more ideas. For more information about me Youtube channel where I share my knowledge with you. youtube.com/c/TechnicalSkillsLinux

I am a full-stack web developer based in California. I specialize in creating custom solutions for WordPress. Some of my skills are as follows: - Custom theme/plugin development - Theme/plugin customization - Website development using page builders - Website development using Gutenberg blocks - WordPress hosting and server management - Backup/restore and migration - SEO Optimization - Speed optimization - Bug fixes - Integration and automation with third-party services - Maintenance and updates

I am a backend and infrastructure engineer focused on highload systems, automation, AI integrations, blockchain infrastructure, and scalable backend solutions. I work with Linux servers, APIs, automation platforms, Telegram bots, Cloudflare, Nginx, Docker, PHP, Node.js, Python, MySQL, OpenAI, OpenRouter, n8n, GPT-image-2 integrations, Proxmox virtualization clusters, 10G networking, and storage infrastructure. I also develop Solidity smart contracts and Web3 integrations for EVM-compatible blockchains. My experience includes: - highload backend systems - AI integrations and automation workflows - OpenAI and OpenRouter API integrations - GPT-image-2 and multimodal AI systems - DevOps and infrastructure automation - Telegram bots and API integrations - blockchain and smart contract development - Proxmox virtualization and cluster management - 10G networking and storage infrastructure - SAN, NAS, and distributed storage systems - Cloudflare and reverse proxy configuration - server optimization and troubleshooting - automation tools and backend services - Docker environments and deployment pipelines - scalable infrastructure and networking I can help with: - AI integrations and automation - OpenAI and OpenRouter integrations - n8n workflow automation - backend development - server administration - Proxmox cluster deployment and maintenance - virtualization infrastructure - 10G networking and storage systems - API integrations - automation systems - Telegram bot development - smart contracts - Web3 infrastructure - Linux troubleshooting - Cloudflare and networking setup - performance optimization I focus on clean architecture, reliability, scalability, and practical solutions for real-world production systems.

I am a DevOps & Cloud Engineer with 9+ years of IT experience, specializing in AWS, Azure, GCP, and Kubernetes. I design and implement secure, scalable, and cost-efficient cloud infrastructures, with strong expertise in CI/CD, automation, security, and monitoring. ☁️ Cloud Platforms & Services ✅ AWS: EC2, ECS, EKS, RDS, S3, VPC, Route53, CloudFront, IAM, Lambda, CloudWatch, Elastic Beanstalk, CodePipeline, CloudFormation. ✅ Azure: AKS, App Services, Application Gateway, Key Vault, Azure DevOps, VNet Peering, Front Door, WAF, Event Hub, Log Analytics, Functions, Container Apps. ✅ GCP: GKE, Compute Engine, Cloud SQL, Cloud Storage, Firebase, Load Balancer. ⚙️ DevOps & Automation ✅ Jenkins, GitHub Actions, GitLab CI, Bitbucket Pipelines, Terraform, Ansible, Docker, Helm, OpenShift. ✅ CI/CD pipelines with security gates, automation, and monitoring integration. 🔐 Security & Compliance ✅ AWS GuardDuty, Inspector, Shield, WAF, Azure Defender, Qualys, SecurityHQ. ✅ OPA, Trivy, Kube-bench, Falco for DevSecOps practices. ✅ Create Clusters 🏗️ – kops, eksctl, kubeadm, kubespray, RKE, Minikube, Kind, MicroK8s, AKS, GKE ✅ Manage Clusters / Applications ⚙️ – kubectl, k9s, Lens, Rancher, ArgoCD, Helm 📊 Monitoring & Observability ✅ Grafana, Prometheus, Kiali, Zabbix, DataDog, New Relic, Grafana Loki, Promtail, CloudWatch. 💻 Additional Expertise ✅ Linux/Windows Administration, Bash & Python scripting, Networking (DNS, TCP/IP, VPN, Private Link). ✅ Database Administration (RDS, MySQL, PostgreSQL, DynamoDB, Aurora). ✅ Cloud migrations (AWS & Azure), Backup & DR strategies, Cost optimization. 💡 Strong background in cloud architecture, container orchestration, automation, and security-first DevOps, ensuring production-ready, resilient systems.