7+ Years Experience | 3000+ Websites Managed | Zero Downtime Migrations Most admins only fix problems — I prevent them. I deliver fast, stable, and secure servers that stay optimized long after the job is done. With 7+ years of hands-on experience managing production servers, complex migrations, and critical incidents, I ensure your infrastructure remains resilient. Why Clients Choose Me: Many clients come to me frustrated because their servers are slow, insecure, or their emails land in spam. Downtime, broken configurations, and failed migrations cost time and money. I take full ownership of your server, diagnose the root cause, fix everything cleanly, and document all improvements for long-term stability. Core Services: Server Management: Linux Administration (Ubuntu, CentOS, AlmaLinux, Debian), WHM/cPanel, CyberPanel, CloudPanel. Migration & Setup: Website & Server Migrations (Zero Data Loss), VPS Deployment (AWS, DigitalOcean, Hetzner), LAMP/LEMP Stacks. Security & Performance: Server Hardening (CSF, ModSecurity, Firewall), SSL Installation, PHP/MySQL Optimization, Backup Automation. Email & DNS: Email Deliverability (SPF/DKIM/DMARC), Spam Fixing, DNS Management, Cloudflare WAF Configuration. Troubleshooting: Incident Handling, RCA, Log Analysis, 500/503 Error Fixes. Technical Stack: Apache, Nginx, Litespeed, Cloudflare, PHP-FPM, MySQL, MariaDB, Bash Scripting, Rsync, Rclone, Fail2ban, Route53, Google Workspace, Microsoft 365, DNS. Experience: Senior Linux System Administrator (7+ Years) Managed 3000+ Websites & 100+ VPS Servers Industries: SaaS, E-commerce, Web Hosting, Agencies, Startups Ready to Fix Your Server? If you want a fast, secure, optimized server with zero downtime migrations and spam-free email delivery, I’m here to help. Send me a message now — let’s make your server smooth, stable, and secure.

🏆 Unlock Your Business Potential with Custom Solutions I am a Full Stack Developer with 12 years of experience delivering end-to-end solutions that drive efficiency and growth. My expertise spans: • Custom ERP & SaaS Systems: Streamlining complex workflows with tailored solutions. • Automation Tools: Eliminating repetitive manual tasks to save time and reduce errors. • Advanced Reporting: Building insightful dashboards and data visualization tools for better decision-making. • CRM Development: Creating scalable systems that improve client engagement and relationship management. • Database Architecture: Designing secure, optimized databases to support long-term performance. Over the years, I’ve partnered with businesses of all sizes, individuals, and non-profits to transform ideas into reliable, scalable software solutions. If you’re looking for a developer who can understand your unique requirements, help brainstorm practical solutions, and deliver high-quality results, I’d be happy to connect and discuss your project. ◪ Technologies: PHP, Vue, RESTful API, Javascript, SQL, HTML, CSS and ElasticSearch (ELK stack) ◪ Frameworks: Laravel, Vuetify, PrimeVue, Tailwind, jQuery, Bootstrap, Zend, Angular ◪ Databases: MySQL, MariaDB, PostgreSQL, SQL Server, Oracle ◪ Server environments: AWS, Apache, Ubuntu, CentOS, DigitalOcean ◪ Versioning Tools: GitHub, BitBucket

✮ 18+ years in IT. ✮ Worked with several Fortune 500 Companies ✮ Experienced Full Stack Developer ✮ Worked with British Telecom, AT&T, Google, IBM, etc. ✮ 100% refund policy. ✮ Available 18 hours a day. Prior to this I have worked with several fortunes 500 companies which include British Telecom, AT&T, Google, IBM before start my own freelancing work. Having more than 18+ years rich knowledge in IT and handled more than 3000+ live projects I can guarantee that I will add value to your projects. If I can’t deliver anything I won’t charge for my time, and in this world nobody wants to work for free. [ What I can provide ] ✮ Angular JS 6 Development ✮ Node JS Development ✮ Python Development ✮ React JS ✮ Meteor JS ✮ Express JS / Sails JS ✮ Vue JS ✮ TypeScript ✮ AngularDart ✮ Dart ✮ Mobile App ✮ IOS Development ✮ Android Development ✮ Swift 4 ✮ Java 8 ✮ Objective C ✮ Google Kotlin ✮ React Native ✮ Google Flutter ✮ E-commerce Development ✮ Magento Development ✮ Website development ✮ Mobile Back end development ✮ Graphic design + UI & UX implementation ✮ Consulting in mobile app development ✮ Startup Development I am having strong expertise in database, here is few in the list, ✮ MS SQL ✮ Mongo DB ✮ My SQL ✮ Maria DB ✮ SQL Lite ✮ Amazon Dynamo DB ✮ Amazon Aurora Expertise in Blockchain: ✮ Smart Contracts development using Solidity ✮ Subgraph indexing using the graph ✮ Tokenomics ✮ Vesting ✮ Web3 integration ✮ In-depth knowledge of ERC20 & ERC721 Smart Contracts ✮ NFT contract ✮ Token/ coin Contract ✮ Defi EXchange ✮ BEP1155 ✮ Hardhat ✮ NFT minting Also I am comfortable with Cloud Computing using Amazon AWS, GCloud, MS Azure. Here is my system programming exprience, ✮ Docker ✮ Kubernetes ✮ Jenkins ✮ Google App Engine ✮ Micro Services ✮ Amazon Elastic Container Services ✮ Amazon Elastic Beanstalk ✮ Amazon EBS ✮ Amazon AWS CLI ✮ Elastic Cache ✮ Mem Cache ✮ Redis Cache Also I am comfortable with Analytical information or Search engine development. Here is my informations below, ✮ Apache Solr Search ✮ Amazon Elastic Search ✮ Amazon Red Shift ✮ Kibana ✮ Lucene ✮ Sphinx ✮ Xapian [ My Domain Experience ] ✮ On-Demand Service app ✮ SAAS ✮ Uber-like app ✮ Food delivery website and app ✮ Restaurant website and app ✮ Travel website and app ✮ Social network website and app ✮ Upwork like service marketplace website and app. ✮ Crowdfunding website and app ✮ Service provider finder app ✮ GPS apps ✮ Product selling website and app ✮ Event ticket-selling website ✮ Daily Deal website and app ✮ E-commerce website and app ✮ Dating website and apps ✮ Rideshare apps Also I am comfortable with several open source system, like follows, ✮ Magento ✮ WordPress ✮ Drupal I love my job as working with different clients has given me the opportunity of being a part of so many wonderful ideas and journeys. My approach to work is to go beyond the job description and focus on building a long lasting relationship with all clients.

Build Smarter Websites. Create Stronger Systems. If you're looking for a reliable developer who delivers real results—you’re in the right place. With over a decade of experience and hundreds of successful projects behind me, I specialize in turning complex business needs into efficient, user-friendly web solutions. Have worked in projects of different sizes starting from small WordPress sites to large and complex database driven websites/webapps and will be happy to cater to your needs. Please send me your needs, would be happy to discuss more. ________________________________________ ✅ What I Can Do for You • Custom built database driven websites/webapps - ReactJS, PHP, NodeJS • Advanced Web Applications – CRMs, invoicing tools, internal dashboards • Custom WordPress Development – Themes, plugins, full-site builds • Responsive Design – Fast, mobile-friendly, conversion-optimized layouts • API Integration – Stripe, PayPal, Google Maps, Social Media, and more • Performance Optimization – Speed, SEO, and database tuning • Modern Front-End Development – ReactJS, jQuery, Bootstrap, HTML5/CSS3 ________________________________________ 🛠 Tech Stack • Languages: PHP, JavaScript, HTML5, CSS3, SQL, ReactJS, Node/Express • Frameworks & Tools: WordPress, Bootstrap, jQuery, Tailwind CSS • Databases: MySQL, PostgreSQL, MariaDB, cloud databases • Integrations: Stripe, PayPal, Authorize.net, OpenAI (ChatGPT), AWS • Other: SEO optimization, digital marketing, landing page optimization ________________________________________ 🤝 Why Clients Choose Me • Hundreds of completed projects with long-term client relationships • Flexible and fast: I adapt to your needs, timelines, and communication style • Clean, scalable code with an eye for design and performance • Transparent, honest, and 100% focused on delivering value ________________________________________ 📩 Let’s Connect Tell me about your project—I’ll respond quickly and let you know how I can help. Whether you're building from scratch or improving an existing system, I’ll ensure it’s done right the first time. ________________________________________ 🔍 Keywords PHP, WordPress, ReactJS, Node/Express, jQuery, HTML5, CSS3, MySQL, API Integration, Stripe, PayPal, CRM, Landing Pages, SEO Optimization, ChatGPT, OpenAI, AWS, Bootstrap

TOP RATED PLUS Full Stack Web and Mobile App Developer, having in-depth expertise in Node, Express, Angular, React, React Native, Flutter, Swift, RESTful API development, third-party API integration, Chat & Messaging, MongoDB, MySQL, MS SQL Server, SQLite, PostgreSQL Have expert knowledge in Python** to practice AI ➥ What my Upwork client says: ============================= ✅ Great work on time, A1 team! Will work again with them anytime. Highly recommended ✅ Great Team, Great Work, Completed on time and on budget. We will be working with them again for sure! A++ Freelancer ✅ Good job with the work done so far, happy with the team ✅ Nice work. ➥ Technical Skill Set: ===================== ✅ Frontend Development: ★ AngularJS 1.x to Angular 15.x ★ React.js, Redux, RxJS ★ React Native ★ Flutter ★ FlutterFlow ★ HTML5, CSS3, Bootstrap ✅ Backend Development: ★ Node.js, Express.js ★ Python (FastAPI, Flask) ★ RESTful API development ★ AI/ML model integration ★ Chat & Messaging Systems ✅ Databases: ★ MongoDB ★ MySQL ★ MS SQL Server ★ SQLite * PostgreSQL ✅ DevOps & Deployment: ★ Docker, CI/CD ★ Nginx, Jenkins ★ GitHub, GitLab, Bitbucket, TFS ★ Deployment tools: Gunicorn, WebPack, Babel, Gulp/Grunt ★ Cloud Platforms: AWS, Azure ✅ Project & Workflow Tools: ★ Asana, Trello, Jira, Basecamp ✅ CMS & No-Code Platforms: ★ Headless CMS (Strapi) ★ Bubble.io ★ FlutterFlow ➥ Machine Learning & AI Expertise: ================================ ✅ Generative AI (e.g., GPT-3, ChatGPT, OpenAI) ✅ NLP & Text Analysis – chatbots, parsing, information extraction, full-text search ✅ Machine Learning – object detection, classification, clustering, forecasting ✅ Time Series Forecasting – traffic prediction, churn analysis, insurance estimation ✅ AI Backend – FastAPI, Docker, Gunicorn ✅ Frameworks – TensorFlow, PyTorch, Scikit-learn, Spark MLlib ✅ End-to-end model design, training, and production deployment ➥My background in numbers: ========================= ✅ 6+ years of full-stack web and mobile development experience. ✅ Worked on over 20+ SaaS-based web solutions. ✅ 12+ mobile applications that include Fintech, Attendance tracking, Social Networking, Cab-service, LMS, ERP, Booking application, Marketplace, eCommerce, Real estate, Construction Management, Digital Wallet, etc. Thanks for reviewing my skill.

Senior Full Stack Developer | Top Rated Plus Developer | 300+ Projects Completed Are you seeking a Full Stack Developer, web expert, development partner, or business tech consultant? With 7+ years in full-stack and cross-platform development, I help founders and teams take products from concept to launch, web, mobile, and desktop, without the drama. I’ve delivered Full Stack Solutions, SaaS platforms, dashboards, marketplaces, and mobile apps used by real customers, shipping on time, documenting clearly, and keeping codebases clean for the next sprint. What you’ll get when we work together ✅Built-around-your-goals delivery: clear scope, measurable outcomes, short feedback loops. ✅Senior judgment: patterns that keep features stable, testable, and easy to extend. ✅Fast start: day-one environment setup, baseline CI, and a small first milestone. ✅Ongoing support: runbooks, monitoring, and pragmatic maintenance after launch. ✅Creative problem-solving: practical solutions when specs are evolving. Tech Stack ✅Front-end: TypeScript, React.js, Next.js, Vue.js, Nuxt.js, Angular, HTML5/CSS3, Tailwind, Ant Design, Material UI, Full Stack Development ✅Back-end: Node.js, Nest.js, Express.js, Koa, REST/GraphQL, Sequelize, TypeORM, PHP/Laravel, Symfony, .NET ✅Databases: PostgreSQL, MySQL, MongoDB, Redis, Firebase, GraphQL (resolvers/persisted queries) ✅Mobile / Cross-Platform: React Native, Flutter (store submissions, OTA updates) ✅QA: Manual testing, Jest, Mocha, Cypress, API testing with Postman ✅DevOps: Docker, Nginx, Jenkins, GitHub Actions, Amazon ECS ✅Cloud: AWS, Google Cloud Platform, Microsoft Azure, DigitalOcean Stop scrolling through endless profiles, you’ve found your build partner. Send a message to set up a quick consultation and outline your first milestone. Buzz words: Development Services: Product Development, Web Application Development, Website Development, Ecommerce Website Development, MVP Development, Application Development, Frontend Development, Backend Development, Full Stack Development, MERN Stack Development, Test Driven Development TDD, Agile Software Development, SaaS Development, Software Architecture and Design, API Integration, REST API Development, Third Party API Integration, ChatGPT API Integration, Website Performance Optimization, Progressive Web Apps PWA, Database Architecture, Database Design, Database Development, System Architecture, Responsive Design, Server Deployment Languages: TypeScript, JavaScript, PHP, C Sharp, XML, JSON, HTML5, CSS3 Frontend: ReactJS, NextJS, Redux, Redux Saga, React Query, MobX, VueJS, Vuex, Vuetify, NuxtJS, Quasar, Angular, Tailwind CSS, Ant Design, Material UI, Bootstrap, Styled Components, Emotion, SASS, LESS, CSS Grid, Flexbox Backend: NodeJS, NestJS, Koa, ExpressJS, Socket IO, PassportJS, Sequelize, TypeORM, Laravel, Symfony, ASP NET Core, ASP NET MVC, SignalR, GraphQL Databases: PostgreSQL, MySQL, MongoDB, Firebase, MariaDB, Redis Testing: Jest, Jasmine, Mocha, Cypress DevOps Cloud Infrastructure: Docker, Nginx, Jenkins, Continuous Integration and Continuous Deployment, AWS Lambda Amplify EC2 ECS CloudFront, Google Cloud Platform, Microsoft Azure, DigitalOcean, Heroku, Webpack, Git Bitbucket GitHub GitLab, Swagger, Vercel, NPM, Yarn APIs and Integrations: Stripe, PayPal, Elasticsearch, Twilio, OpenAI, GPT 4, GPT 4o Project Management and Collaboration: Agile, Scrum, Kanban, Jira, Trello, Asana, Slack, Monday, Notion, Confluence Design and UX: Figma, FigJam, Wireframing, Prototyping, UI Kits, Mobile First Design Other: Single Page Applications SPA, Server Side Rendering SSR, Client Side Rendering CSR, SEO, CMS WordPress Headless, Web3, NFT, Payment Gateway Integration, Data Scraping, CRM Development, Cross Browser Compatibility, Quality Assurance QA, Microservices, Modular Architecture, Event Driven Architecture, CQRS, Hexagonal Architecture, Domain Driven Design DDD, API Gateway, Webhooks, Rate Limiting, Throttling, CORS, Content Security Policy CSP Auth and Security: OAuth2, OpenID Connect, SAML, Single Sign On SSO, JSON Web Tokens JWT, Two Factor Authentication 2FA, Multi Factor Authentication MFA, Role Based Access Control RBAC, Attribute Based Access Control ABAC, Keycloak, Auth0, AWS Cognito, Web Application Firewall WAF, OWASP Top 10, Secrets Management, Vault Compliance: GDPR, HIPAA, SOC 2, PCI DSS, Audit Logs, Data Retention, PII Masking Performance and Delivery: SSR, SSG, ISR, Code Splitting, Lazy Loading, Incremental Builds, Edge Functions, CDN Caching, Image Optimization, Web Vitals, Prefetch, Preload Realtime and Messaging: WebSockets, Server Sent Events, WebRTC, Socket IO, Kafka, RabbitMQ, AWS SQS SNS, BullMQ, Redis Streams, Publish Subscribe DevOps and Infrastructure as Code: Kubernetes, Helm, Terraform, Pulumi, Ansible, ArgoCD, GitOps, Docker Compose, Nginx, Traefik, Full Stack Development

I am Talha Mansoor and have 12 years of experience in web hosting , System Administration and Network Administrations Infrastructure Management , Cloud Computing AWS , Azure, GCP ✔ 160+ Hours Worked Successfully ✔ $9,000+ Total Earnings on Upwork ✔ 150+ Completed Jobs for Various Clients ✔ Available to Work on off hours Cloud Infrastructure & Server Management - Proficient in AWS Cloud services including EC2 instance provisioning, configuration, management, and troubleshooting. - Experience with AWS Lightsail and S3 bucket management. - Email service configuration using AWS SES integrated with marketing tools like Sendy. - Skilled in managing cloud environments across multiple providers: AWS, Google Cloud Platform, DigitalOcean, Linode, Vultr, OVH, Contabo, and others. Web Hosting & Control Panel Administration - Extensive experience with popular web hosting control panels: cPanel/WHM, Plesk, Direct Admin, InterWorx, Control WebPanel, VestaCP, Webmin/Virtualmin, CyberPanel, aaPanel, HestiaCP, ISPmanager, and several more. -Installation, configuration, hardening, and maintenance of hosting control panels on Linux servers. -Server migration expertise including data and service transitions with minimal downtime. -Security hardening and performance tuning for hosting environments. Linux Systems & Server Administration - Expert in Linux server management on various distributions: RHEL, CentOS, Ubuntu, Debian. - Implementation and maintenance of LAMP/LEMP stacks for hosting web applications. - Database administration skills with MySQL, PostgreSQL, MariaDB, and MongoDB from setup to optimization. - Management and setup of DNS services (Bind, NSD, PowerDNS). -Routine server maintenance, monitoring, and performance tuning for reliability and scalability. WordPress Infrastructure Operations - Deployment and server-side configuration of WordPress applications in cloud or VPS environments. - Migration and backup/restore operations for WordPress platforms. - WordPress security management including malware and virus remediation. - Integration of WordPress with billing systems like WHMCS and deployment of demo content for rapid environment setups. Security & SSL/TLS Management - Installation and configuration of SSL certificates including enabling SEO-friendly HTTPS redirection. -Ensuring full green padlock compliance through best practices in SSL/TLS hardening. -Regular security audits and application of patches for Linux servers and hosted applications. Email Systems & Messaging Services - Setup and administration of mail servers using Postfix, Exim, and Zimbra with complete email delivery policies (SPF, DKIM). -Integration and troubleshooting of cloud email services such as Google G Suite, Office365, Zoho, and Rackspace. -Management of webmail interfaces like Roundcube and Horde. -Deployment and integration of marketing automation platforms such as Mautic with email delivery services like Sparkpost.

Hello✋. I am a result-driven Full Stack expert, leading a team of Full Stack engineers and UX/UI designers - QIT Software, a Team Augmentation company, that unites professional digital creators. We can build any web and mobile product, using the latest technologies of your choice. Either you need Web & Mobile apps, scripts, libraries, and browser extensions, we can do it. Technologies we work with: ✅ React, Vue, Angular, Node, PHP, Java, Python, .NET, C/C++, Golang, Swift, Kotlin, Flutter, Ionic, etc. ✅ SQL, MySQL, PostgreSQL, OracleDB, MongoDB, DynamoDB, MariaDB, SQLite, Fireabase, etc. ✅ AWS, Azure, Google Cloud, etc. ✅ ES6/7+, JavaScript, TypeScript ✅ Responsive CSS / CSS3 , LESS / SASS / SCSS ✅ Responsive frameworks - Bootstrap, Material UI, AntDesign, TailwindCSS ✅ GitHub, GitLab, Bitbucket ✅ Figma, Zeplin, InVision, Sketch ✅ JIRA, Trello, Asana ✅ TDD, Unit testing, E2E testing We work fast and our code is clean, w3c valid, semantic, and easy to maintain. ⚡ We take care of things and help companies to: - extend tech teams with talents, who will exclusively work on the project; - reach flexibility by scaling both up and down; - avoid painful expenses of in-house hiring and recruiting agencies; - avoid uncertainties about the right candidate; - launch a project to production without major issues and respect your deadlines; - save on in-house engineer team without saving on product quality; - sufficiently decrease time-to-market; - hit those KPIs and maximize ROI. 📍 By working with QIT Software you get: - a streamlined onboarding time for new team members; - an outstanding cost-quality ratio that will get more room for new ideas and features; - simplified tax system to the reduced staff; - stress release; we handle all the paperwork and cover all the desk costs; - a transparent direct line of communication; - full development process supervision of your remote team. 🚀 We help companies grow. Send me an invitation and I will get back to you shortly. We are looking forward to building something cool with you!

🏆 Top 3% of freelancers - Upwork Top Rated Plus 🕰 16700+ Hours worked on Upwork 💪🏼 260+ Upwork Projects Delivered If you see my profile, you're lucky! Because you have found someone who will make your project real, reliable and solve any type of problem. Together we will achieve required goals and build long-term effective cooperation. I am a resourceful, innovative, and competent web developer with extensive experience in the coding of websites. For a long hard 8 years of work, I can confidently call myself a full stack web developer. My experience is closely related to: 📎 Languages: JS, TypeScript, CSS, SCSS/SASS/LESS, HTML5, PHP 📎 Frameworks: JS(NextJS, Remix, T3, NestJS). 📎 CMS: WordPress ( WooCommerce, Advanced Custom Fields (ACF), Custom Post Types, Elementor Pro, Divi, Gutenberg Blocks, Headless WordPress, Multilingual Sites (WPML), Membership Sites, LMS, SEO Setup (Yoast, RankMath)) 📎 Databases: MongoDB, PostgreSQL, MySQL, MariaDB, Redis, Oracle DB, Microsoft SQL Server. 📎 Queue Service: AWS SQS, Apache Kafka, RabbitMQ. 📎 Auth: Auth0, Amazon Cognito, Firebase Authentication, SuperTokens, Passport 📎 Social API: Google, Facebook, Twitter, Facebook, Instagram, YouTube, Reddit, Snapchat, Pinterest, Viber, Telegram, Twilio. 📎 Payment API: PayPal, Stripe, etc. 📎 AI API: OpenAI. 📎 Deployment: VPS(DigitalOcean, AWS (EC2, ECS), Hetzner), AWS (Amplify, ELB), Google Cloud (App Engine), Azure DevOps, Heroku, Vercel, Netlify, Firebase Hosting, Edgio. 📎 DevOps: Docker, Kubernetes, Ansible, AWS (Lambda, DynamoDB, API Gateway, S3, etc.), Ansible, GitLab, GitHub. Key skills: WordPress | WordPress Developer | WordPress Development | WooCommerce | WordPress Security | WordPress Multisite | WordPress Bug Fix | PHP | Ecommerce Website Development | Resposive Design | WordPress Expert | WordPress WooCommerce | Headless Wordpress | Elementor Expert | Web Design | WordPress e-Commerce | WordPress Migration | WordPress Installation | WordPress Customization | WordPress Website WordPress Elementor Expert | WordPress Multisite | WordPress Security | WordPress Theme | WordPress Optimization | PSD to WordPress | WordPress SEO Plugins | WordPress Plugin | WordPress Landing Page | WordPress Development | WordPress Backup | WordPress Bug Fix | WordPress Consultation | WordPress Thrive Theme | Divi | Website Designer | WordPress Designer | Frontend Developer | Figma to WordPress | Figma to HTML/CSS | WordPress Plugin | Elementor The main priority of my work is respect, timeliness and quality of the code. And this is the key to success in our future relations. Ready to discuss your project? Just send me DM with your requirements and ideas.↗️

I'm a proficient Linux Server Administrator and PHP/Python programmer with over 15 years of experience. My expertise extends to web hosting, cloud, cluster, DevOps and blockchain technologies. Throughout my career, I have worked with numerous hosting providers and have gained extensive experience in addressing vulnerabilities, viruses, spam detection, server optimization, and server software optimization. As a DevOps professional, I collaborate with various companies with developer teams ranging from 1 to 50. I have extensive experience in automating infrastructure, implementing CI/CD pipelines, managing cloud environments (AWS, Azure, GCP), and ensuring system reliability and scalability. Below are my general skills: * Blockchain platforms: Bitcoin, Tron (TRX, USDT), Ethereum (ETH, USDT, USDC), XRP (full node & API) * DevOps: GitLab, GitHub, Azure DevOps. Project support, CI/CD * Optimization of Google Pagespeed, Magento, WordPress, ODOO, Mautic, Drupal, Joomla, Bitrix, Bitrix24, and other CMS * Operating Systems: Debian, Ubuntu, CentOS, Rocky Linux, AlmaLinux, RedHat, CloudLinux, Gentoo, FreeBSD (administration, configuration, audit, optimization) * Software Configuration Management: Salt, Ansible * Web servers: Nginx, Apache, LiteSpeed (installation, configuration, optimization) * Database servers: MySQL, PostgreSQL, MariaDB, Percona, MongoDB (installation, configuration, optimization, profiling, cluster creation) * Mail servers: Exim, Postfix, Sendmail, Zimbra, Qmail, Dovecot + Spamassassin, ClamAV * Webhosting Administration Panels: cPanel / WHM, Plesk, aaPanel, Proxmox, CyberPanel, VestaCP, HestiaCP, ISPManager, Billmanager, ISPConfig, DirectAdmin, Webmin * Monitoring: Zabbix, Wazuh, Munin, Nagios, Icinga * Amazon: AWS setup or Amazon tools * Virtualization: Proxmox, OpenVZ, XEN, KVM, VMWare, VirtualBox, Docker * Load balancing via: HAproxy, Nginx, Pingora, ProxySQL, PowerDNS, BIND, Route53, Alibaba Cloud DNS * System Backup and Restore automation * Removal of viruses and malicious software * Network services: DNS (Bind, PowerDNS), VPN (MPD, PPTPD, OpenVPN), firewalls (iptables, ipfw), file server (samba3/4), proxies (Squid, 3proxy, Privoxy, Nginx), DRBD, Ceph, GlusterFS, lsyncd * FTP: Vsftp, Pureftp, Proftpd Thank you for viewing!