Hire the Best Varnish Cache Specialists

✔️Performance✔️Accessibility✔️SEO✔️Best Practices✔️Agentic Browsing✔️ GTmetrix 🕒14+ hrs online ✔️WCAG 2.2✔️Guaranteed Core Web Vitals- LCP, CLS, INP improvement with Crux data Monitor - I clean & redo the website based on native coding for a permanent result. (Gutenberg, FSE block & Vanilla Js) Tech: Shopify | WordPress | Lovable| HubSpot | Webflow | Breakdance| gutenberg | Elementor | Cloudflare | PHP | Laravel | HTML | Magento | Shopify | BigCommerce | Codeigniter | Static | Headless | Next.js | React.js | Custom-built stack My Execution Strategy for Speed Optimisation 1. Initial Audit & Benchmarking the current report - Google PageSpeed Insights 2. Identify bottlenecks in Speed Index parameters - FCP, LCP, TBT, SI, and CLS 3. If CMS allow staging, create staging and perform all techniques - code minification, critical/used css, lazy-load, defer, font optimization and reduce on initial page weight 4. Server and CDN cache integrations My plan of execution for Core Web Vitals fixes 1. All steps of the above Speed optimization will be performed 2. I will ensure we get the LCP 2.5 sec and CLS green 3. Modify CDN integration as per need, also suggest the best server initial response time with avoiding downtime 4. Submission of pages for validation in Google Search Console. Note: It passed pages that report gets fetched and updated at GSC. For less traffic-based pages or having slow server response, it usually fails and will have to resubmit those again. I prefer to monitor it and boost the failing URLs if there is any room for improvement. A lot of CMSs have their own CDN and server control, and they do not allow CDN integration. 📍 Ping me, and I will ensure your website is performing at its peak performance 📍 To ensure great results on Google Core Web Vitals, I will share the plan of execution including page weight reduction as cleaning of unrequired elements, identification of errors and providing resolutions for all parameters (LCP, CLS, INP). I have done it for 1000s websites and will make sure your website will achieve those great results. Having 12+ years of core expertise in Website development and being a Page Speed Optimization Expert (CMS or Custom), I am capable of speed optimising any stack-based website to its peak performance, including Server and CDN configuration. I deliver results per any tools such as: ✔️ Google Core Web Vitals (Google Pagespeed optimization) ✔️ Google Search Console fixes ✔️ Lighthouse ✔️ Page Speed Insight | Page Speed Optimization (pagespeed optimisation tool) ✔️ GT-Metrix (gtmetrix com) ✔️ web.dev (web dev/measure) ✔️ Pingdom (tools pingdom com) and many more. My services towards these website development technologies of the website: ✔️ E-commerce Page Speed Insight | Page Speed Optimization | core web vital ✔️ WordPress Page Speed Insight | Page Speed Optimization | core web vital ✔️ Shopify Page Speed Insight | Page Speed Optimization | core web vital ✔️ Webflow Page Speed Insight | Page Speed Optimization | core web vital ✔️ Laravel Page Speed Insight | Page Speed Optimization | core web vital ✔️ Magento Page Speed Insight | Page Speed Optimization | core web vital ✔️ PHP Page Speed Insight | Page Speed Optimization | core web vital

I am an experienced Linux administrator. I have 15+ years of experience in Linux system administration and problem-solving. I can troubleshooting all kinds of linux issues, centos migration, centos/ubuntu crash rescue, investigate server performance issue and web server administration. Skills & Deliverables: Cloud Infrastructure & Dedicated VPS Setup (AWS, DigitalOcean, Hetzner, Contabo, Linode etc) Building secure, high-performance servers with proper backup, and automation. Linux Administration(Centos, Ubuntu, Debian, Rocky Linux, Almalinux) Performance optimization, monitoring, troubleshooting, log analysis, and uptime management. Server migration(Centos, Ubuntu, Debian, Rocky Linux, Almalinux) Secure migration of data and app between different servers. Web Server Trouble-shooting Slow server, website troubleshooting and optimization Recurring downtime issue troubleshooting and fix. Centos7 server migration Upgrade centos7 to almalinux 8 or 9. Migrate data&apps from centos7 to Ubuntu/Debian/Rocky/Almalinux Server Upgrade(Centos, Ubuntu, Debian, Rocky Linux, Almalinux) Upgrade ubuntu 14 16 18 20 22 to the latest version. Upgrade Debian , Rocky Linux, Almalinux to the latest version Server rescue(Centos, Ubuntu, Debian, Rocky Linux, Almalinux) Fix linux system crash, file system corruption. Security & Compliance Firewall configuration, access control, TLS/SSL, patching, vulnerability prevention. Backup & Disaster Recovery Strategy Automated backups, retention policies, restore testing, failover planning. Application Hosting & Migration WordPress, Prestashop, Forum app, Node.js, Python apps — smooth migration without downtime. Email Infrastructure & Deliverability Improvement Domain authentication setup (SPF / DKIM / DMARC), inbox placement, fixing spam issues. Why choose me? - Strong skills and extensive experience , can work independently and efficiently , able to fix complex issues - Fast and clear communication, detail and solution oriented - Honest and proactive work ethic

Slow databases? Production outages? Performance bottlenecks affecting your business? I help organizations identify root causes, optimize database performance, and build reliable database platforms. I am a senior database administrator (DBA) with over 13 years of hands-on experience managing production database systems. I specialize in MySQL, MariaDB, PostgreSQL, MongoDB, Oracle , and SQL Server, providing database troubleshooting, incident response, daily operations and maintenance, performance optimization, and reliable backup, high availability, and disaster recovery solutions for mission-critical environments. 🔍 Database Expertise: With over 13 years as a senior expert in MySQL/MariaDB/Percona/PostgreSQL/MongoDB/Oracle/SQL Server/DuckDB, I’ve managed over 5000 databases and 300 TB+ of data. My experience covers database architecture, performance optimization, backup and recovery, High availability, disaster recovery, and much more. I ensure every database solution I deliver is robust, scalable, high performance, and perfectly aligned with your business needs. 🛠️ Technology Stack: MySQL/Percona (Versions 5-9) MariaDB (Versions 5-12): Installation、High Availability, Replication, and Scalability Solutions、InnoDB Cluster、Group Replication、Workbench/Shell/Router、Backup & Restore、Galera Cluster、Percona XtraDB Cluster、XtraBackup、Toolkit、InnoDB/MyISAM/Binlog、Orchestrator、replication-manager. PostgreSQL (Versions 7-18): Installation、High Availability, Replication, and Scalability Solutions、SQL Tuning、pgpool-II、PostGIS、TimescaleDB、ClickHouse、Patroni、Citus、pgvector、Security、Supabase、Neon. MongoDB (Versions 3-8) / MongoDB Atlas : Installation、MongoDB Shell (mongosh)、Aggregation、Indexes、Atlas、Time Series、Change Streams、Replication、Sharding、Storage、Administration、Security. SQL Server (Versions 6.5 – 2025): Installation、High Availability and Disaster Recovery (Always On AG, FCI, Log Shipping, Replication)、Distributed Availability Groups、SQL Server Management Studio / Azure Data Studio / sqlcmd、Backup & Restore、Failover Cluster / Always On Solutions、PowerShell dbatools / First Responder Kit、Storage Engine / Transaction Log / Change Data Capture. Other Database : Oracle、DB2、Redis、SQLite、DuckDB、DocumentDB Cloud service providers: AWS RDS、AWS Aurora、Amazon DocumentDB、GCP、Azure、N8N creator. Certifications: I hold certifications from Cisco, Oracle, MySQL, AWS, ITIL, PMP, and TOGAF, ensuring I bring industry-recognized expertise to every project. 📈 Why Choose Me? Proven Experience: Worked for leading ICT and IoT solution providers, supporting major operators, banking, and financial enterprises. End-to-End Solutions: From designing high availability architectures to delivering query optimizations and backup solutions, I offer complete database management expertise. Training & Support: I also provide course training for companies looking to empower their teams with database-related skills. 🤝 Let’s Collaborate: If you’re looking for a seasoned database professional to tackle challenges in MySQL, PostgreSQL, MongoDB, Oracle, or other database technologies, let’s discuss how I can help streamline your operations and enhance performance. 📩 Contact Me: I’m ready to dive into your project. Reach out, and let’s unlock the full potential of your data infrastructure together!

✅ AWS Certified 2x ✅ DevOps ✅ cPanel/WHM ✅ AWS/GCP/AZURE ✅ Ubuntu/CentOS/Winows ✅ Cost Optimization✅Migration✅Cloud Optimization I am a Top-Rated Plus senior DevOps Engineer with over 10 years of experience in AWS, Azure, Docker, Kubernetes, Terraform, Logging and Monitoring, Git, CI/CD Pipelines, Automation, Security, and System Administration. I have a professional attitude, work with dedication and am always ready to accept challenges. I have worked on various projects with international clients and diverse teams. I aim to lead innovative projects and deliver the best cloud computing services globally. Specialities and Fields of Expertise ◈ DevOps Tools - Terraform, Kubernetes, Jenkins, Git, ELK, Elastic Cloud, Ansible, Database Pipeline in Liquibase, Cost Management, etc. ◈ Monitoring Tools: Grafana, Prometheus, ELK, Elastic Cloud, AWS OpenSearch, Zabbix, Site24x7, CloudWatch, etc. ◈ Linux System Administration - Linux OS, CentOS, Debian, RHEL, Ubuntu and Windows. ◈ Server Migrations and Cloud Migration ◈ CI/CD Tools: Azure DevOps, AWS CodePipeline, Jenkins, GitLab-CI, GitHub Actions. ◈ Website Migrations involving cPanel, Plesk, and control-panel-less servers - for WordPress, .NET, Angular, Magento, Nodejs/Vuejs, OpenCart, and PHP-based websites ◈ PHP / Apache / NGINX / PHP-FPM / LAMP ◈ Database Management - MySQL, MariaDB, MongoDB and PostgreSQL ◈ DNS Management - Domain management, Nameservers Creation, MX, CNAME, SPF, DKIM, TXT, Cloudflare ◈ Open-source application installation ◈ Hosting Setup and Management - BlueHost, CloudWays, Digital Ocean, GoDaddy, Hostgator, Linode, SiteGround, etc. ◈ Cloud Solutions - Azure, AWS, Hetzner, DigitalOcean, Linode, Vultr, Google Cloud, OVH, etc. ◈ Backup Solutions - Jetbackup, SCP/tar/rsync scripting backup solutions ◈ Hosting Control Panels - cPanel/WHM, Parallel Plesk, ISPConfig, Virtualmin, CyberPanel, DirectAdmin, CWP ◈ Software Firewalls - FirewallD, CSF, UFW, iptables ◈ VPN - PPTP, OpenVPN, Outline ◈ Script Automation ◈ SSL/TLS AWS Cloud Skills Set: • Creation of IAM Users, Groups, Roles, cross-account assume roles, Policies, and fine-grained access control • EC2, Bastion Host and Security Groups • S3 buckets, bucket policies and triggers, cross-account bucket access and static web hosting with CloudFront. • Lambda, serverless computing, lambda packages and deployment • EKS, ECS clusters, task definitions, services, ECS Fargate • CloudFormation templates, stack creation and update. • Creation of VPC, Subnets, Route tables, NACL, NAT gateways, internet gateways, VPC Endpoints and peering • RDS clusters and instance creation, schema deployment into RDS • CloudWatch metrics, events, rules and alarms | SNS notifications, topics and subscriptions | SQS queues creation and trigger policies • MySQL and MongoDB databases (Configuration, Backup, Restore, Troubleshooting) • Auto Scaling with simple and step scaling policies • Creation of Elastic, Application and Network Load Balancer and end-to-end secure communication with SSL certificates • Code Pipeline, Code Commit, Code Build, Code Deploy

- Cyber Security & Penetration Testing: Vulnerability assessment, security auditing, and proactive defense strategies. - Incident Response & Digital Forensics: Post-attack reconstruction, root cause analysis (RCA), and secure system recovery after a breach. - Website Security & Hardening: DDoS & Brute force protection, Cloudflare, Sucuri, WAF, Imunify360. - Self-Hosted AI Automation & Assistants: VPS setup, hardening, and maintenance of n8n, Activepieces, and OpenClaw — build unlimited AI workflows and run your own private AI assistant, fully self-hosted with all data on your server. No per-task fees, no third-party cloud. Security-first configuration (firewall, SSL, sandboxing, backups). - Operating Systems (OS) Administration: Expert in Linux distributions: Ubuntu, CloudLinux, AlmaLinux, Rocky Linux, RHEL, and Debian. - Web Server Management: Advanced configuration and tuning of NGINX, Apache, and LiteSpeed - Website Performance & Speed Optimization: Specialist in Google PageSpeed Insights and GTmetrix (Mobile & Desktop tuning). - Digital Tracking & Analytics: Expert setup of Google Tag Manager (GTM) and Google Analytics 4 (GA4), including custom event tracking and conversion setup for E-commerce. - Hosting & Domain Administration: Migration, WHM/cPanel, StackCP, Webmin, Virtualmin, Cyberpanel. - WordPress & WooCommerce: Website development (Elementor, Divi), maintenance, debugging, and malware removal. - Object Caching & Database Optimization: Redis, Memcached, MySQL/MariaDB optimization. - VPS & Dedicated Servers Configuration: AWS, Google Cloud, Digital Ocean, Hetzner, Contabo, Vultr, etc. - DNS & Email Deliverability: Professional DNS management (SPF, DKIM, DMARC), Cloudflare Email Routing. - Bulk Email Systems: Amazon SES, Mailgun, SendGrid, Postmark, Mautic, Sendy. - Hosting Automation: WHMCS & Upmind (specializing in WHMCS to Upmind migrations). - Content Protection: DMCA protection and SSL management. - Service Excellence: 100% accuracy, fast response, and adjustable to all time zones. Other: Graphic Design: flyer, brochure, magazine, catalog, presentation, logo, font vectorization, preparing Files and Documents for Print (crop mark, trim line, bleed area, RGB to CMYK conversion, PMS Solid colors Pantone), Variable Data, Excel XML, minimalist design, wood engraving mockup, DST embroidery file conversion, Recover Corrupted videos, ads marketing Photo Editing: manipulation, retouching, mockup, product photo editing, removal of background (hair, fur) Video & Audio Editing: crop, noise reduction, warp stabilizer, montage, transitions, effects My Resume: -Disciplined, hard-working, responsible -Used to having high responsibilities and constant improvement -Good at adjusting to the team I'm in -Extremely detailed, efficient, and quality work Education: - Electrical Engineering University of Niš, Serbia Certificates: - TryHackMe – Cyber Security - Cisco CCNA (Network Associate Routing & Switching) - Cisco End User: Network Security - Ultimate AWS Certified Cloud Practitioner - Proxmox VE 6 - Visual and Graphic Design - Adobe Photoshop, Illustrator, InDesign, Premiere, After Effects

## Professional Experience ### DevOps / Infrastructure Engineer Yeesshh 2018 – Present Sole DevOps/SRE responsible for full production infrastructure of ~50 web services and internal systems in digital advertising environment. **Infrastructure:** * 6 dedicated bare-metal servers hosted in OVHcloud * Proxmox single nodes and Proxmox cluster, altogether with ~30 virtual machines * Proxmox Backup Server, Custom NFS-based backup storage * Multi-region deployment (EU + Canada) * Internal VPN via Pritunl * Docker-based service deployments **Reliability & Operations:** * 24/7 on-call (30-minute critical SLA response) * ~99%+ uptime across production systems * Full Proxmox node disaster recovery (including restoration from backups) * Centralized monitoring via Zabbix * Centralized logging via Graylog * Security monitoring via Wazuh * Incident management via PagerDuty * Post-incident reporting and preventive improvements **Security & Compliance:** * DNS management (SPF, DKIM, DMARC) * DDoS mitigation using CSF/LFD, ModSecurity, mod_evasive * PCI compliance validation via Qualys (minimal adjustments required) * Regular patching & monthly backup validation **CI/CD & Automation:** * GitHub repositories * Jenkins pipelines for controlled deployments * Staging → testing → manual production release workflow * Limited Ansible automation (update & small maintenance scripts) **Modernization:** * Legacy OS upgrades * Partial containerization of services * Kubernetes - self-hosted proof-of-concept deployment (non-production) --- ### CloudOps / SysOps Engineer LCloud 2021 – 2023 Worked in AWS Partner environment supporting global enterprise and mid-size clients as L1 support. Environment: Amazon Web Services Responsibilities: * 24/7 production support (L1) * EC2, RDS, S3, IAM troubleshooting * Backup & restore procedures * Log analysis & incident escalation * Execution of infrastructure changes according to documentation * Exposure to IaC-managed environments --- ### Independent Linux Infrastructure Consultant 2012 – 2021 Provided infrastructure and system administration services for up to 100 international clients including web hosting providers. Experience includes: * Web hosting environments (Canada & Italy) * Email servers (Postfix/Exim) * DNS management * CMS deployments (WordPress, Drupal, Joomla) * Monitoring (Nagios, Zabbix) * Virtualization (Proxmox) * Security cleanup & WordPress malware removal * Redmine & GitLab environments --- ### Early Career (Condensed) Senior Linux Administrator – Retail network (250 employees) Network design, Linux desktop environment (60+ machines), POS equipment support, server infrastructure management. Additional system & network administration roles (2007–2012). --- ## Personal Technical Projects * Self-hosted AI workflow automation using n8n * Local LLM experimentation (LLaMA-based models compiled via llama.cpp) * Raspberry Pi lab (media server, backup storage, surveillance systems) * Mobile app development(dart) and backend infrastructure (Dockerized Node.js backend) --- ## Languages Ukrainian – Native Russian – Native English – Professional working Polish – Limited working Spanish - Learning