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Java/JFX | React | Rust | C++ | Qt | Python SpringBoot | JavaScript | PHP (Laravel / CodeIgniter) Node.js | Bash / Linux | Playwright | Selenium Desktop & Systems: Native Windows/macOS utilities using C++/Qt, Rust, and Java/JavaFX. Custom memory-efficient parsing engines (ASTs). Automation Including AppleScript & Scraping: Advanced, deep-data extraction and browser automation using Playwright and Selenium. Full-Stack & APIs: Scalable backends (Python, Node, Laravel, SpringBoot) paired with interactive React frontends. Major API integrations. Linux & Cloud Sysadmin: Production infrastructure management, secure migrations, and server tuning across AWS, DigitalOcean, and Akamai. My work history speaks volumes about my capabilities. Take a moment to review it for a comprehensive understanding of my skills and experience.

As an expert in guiding companies to the Cloud with comprehensive DevOps solutions, I rank in the top 1% of Upwork talent. With over 8 years of experience as a Cloud DevOps Engineer and nearly 12 years in IT, I bring extensive expertise in cloud infrastructure, automation, security, and the development of highly scalable, cost-effective, and highly available systems. I specialize in DevSecOps, leading teams through research and innovation to build secure, scalable solutions. Key Expertise: Infrastructure as Code (IaC): • Terraform • CloudFormation • Ansible • Packer Containerization & Orchestrations: • Docker • Kubernetes • AWS ECS (EC2 & Fargate) • AWS EKS • Docker Hub • AWS ECR Servers: • Amazon Linux • Ubuntu • CentOS • Redhat • Windows Servers DevOps: • Docker • Kubernetes • Terraform • Jenkins • CodePipeline • CodeBuild • Github • Bitbucket • Git • TFS and many more... Amazon Web Services: • EC2 • ECS • EKS • VPC • S3 • CloudFront • ALB • RDS • Elastic Beanstalk • Lambda and many more.... System & Network: • Amazon Linux/CentOS/Ubuntu/Redhat • Windows Servers • Active Directory • OpenVPN, IPSec • Workspaces • TCP/IP and many more... Web & Databases: • Apache, Nginx, IIS, Apache Tomcat • DynamoDB • DocumentDB • Aurora RDS (MySQL, SQL Server, PostgreSQL, MariaDB) • MongoDB (Atlas & Hosted) • Redshift Compliance & Governance • WAF • AWS Well Architectured Tool • CloudTrail • Config • Systems Manager • Control Tower • AWS Compute Optimizer Analytics Tools: • ElasticSearch • Athena • Kinesis • QuickSight • Logstash • New Relic • Kibana Scripting and Automation • Bash • Python

Hi, I’m Udantha 👋 — a Systems Engineer & DevOps/Hosting Specialist with 7+ years of hands-on experience in: Linux system administration WordPress troubleshooting Docker deployments CloudPanel / Plesk / cPanel hosting Server migrations & backup recovery Virtualization & Cloud Operations DNS, Email (DKIM/DMARC/SPF), SSL, and security hardening MySQL/MariaDB performance tuning Website performance optimization Cloud deployments on AWS / DigitalOcean / Linode I specialize in fixing broken systems, optimizing slow servers, and performing clean, zero-downtime migrations—the kind of work where precision matters. Clients hire me for tasks that need someone who can quickly diagnose, clean up, and stabilize complex environments: 🛠 I Can Help You With: Server security hardening & performance tuning Database fixes, recovery, and replication Cloud server setup (Ubuntu, Debian, Rocky, Alma) Fixing DNS, email deliverability & hosting issues Restoring crashed websites (Digital Ocean, AWS, Google, IONOS, Bluehost, SiteWorx, etc.) WordPress errors, migrations, malware cleanup Web servers such as Nginx / Apache SSL configurations Docker Configurations Backup strategy design (Acronis, B2, rsync, S3, Plesk backup) ⚡ Why Clients Like Working With Me I solve problems fast I provide clean documentation after every job I communicate clearly and don’t overpromise I’ve rescued dozens of servers & websites from disaster If you're looking for someone reliable who can stabilize your servers, fix urgent issues, or manage complex migrations with zero drama — I’m available and ready to help. Let’s get your systems running smoothly again. 🚀

Technical Skills Languages: PHP, Node.js, JavaScript, XML, CSS, HTML, Elixir Databases: MySQL, MongoDB Frameworks / Libraries: Yii2, Yii, Laravel, jQuery, Node.js (Express), Phoenix (Elixir), Twitter Bootstrap Platforms: Microsoft Windows, Red Hat Enterprise Linux, CentOS, Ubuntu Web Servers: Apache, Apache Tomcat, NGINX Cloud Platforms: Amazon AWS (S3, RDS, EC2, SNS, Elastic Transcoder, CloudFront, IoT) Social Channel Integrations (6+ years): WhatsApp (Cloud API & BSPs), Telegram Bots & APIs, Facebook Messenger Experience Summary I have 15 years of professional experience in the software development industry. 10+ years of experience with PHP (Yii2, Yii, Laravel) 3+ years of experience with Node.js & Express.js 3+ years of experience with Elixir & Phoenix 6 years of experience integrating social channels such as WhatsApp, Telegram, and Messenger for automated workflows, chatbots, and customer communication systems. I designed and developed the entire backend system for days.lk, including APIs, process flows, social channel integrations, scalability, and cloud deployment.

I am an experienced IT professional with over 10 years of hands-on experience and a flexible approach to work. Throughout my career, I have successfully completed numerous projects across different domains. Having worked for more than 3 years as a Network Engineer in a broadcasting company (Sports TV channel), I have also gained extensive expertise in live video production and post-production. I am proficient in media-related applications such as Adobe Premiere Pro, After Effects, Blender, vMix, Resolume Arena, and Aximmetry (Unreal Engine). Areas of expertise Firewalls Fortigate,Cisco ASA, Cisco Meraki, Draytek, MikroTik, Pfsense, IPCOP IPS: Snort, Suricata Email Gateways: Forti Mail, Symantec Bright Mail Gateway Storage : Synalogy, EMC, Thecus, HP SAN, Freenas, OpenFiler OS : Windows 2016 – 2008 R2, Redhat, Ubuntu Server, Centos, Windows 10 to 98 Servers : Active Directory, Windows and Samba File Servers, Web Server Apache IIS, DNS Servers, Zimbra mail Server, Terminal Server TSPLUS, Radius Servers, Networking : Cisco Routers Configurations, Cisco Switches Configurations, Configuring VPN IPsec Site to Site Video Production(Pre and Post); Adobe Premiere Pro, Adobe After Effects, vMix

Red Hat Certified System Engineer, having around 12 years of experience working in Linux environment and worked on many projects over the year involving Cloud and Dedicated servers. Knowledge of Enterprise Infrastructure technologies and architecture. Worked as consultant on various projects in the past to design and implement an environment which uses Linux and Clusters to run Applications. Os : Linux and Wondows server expert Cloud Services : AWS,GCP, Linode, ToggleBox Configuration : Ansible Containers : Docker/Kubernetes Relational Database Servers : MySql, Oracle, PostgreSql, MsSql,MongoDB DB Languages : Pl/Sql,Stored Procedures, SSIS Scripting Languages : Bash, Perl, Java No Sql Database servers : MongoDB Atlassian: Jira Web servers: Apache, Nginx, Tomcat Mail Servers : Zimbra,Postfix,Sendmail,Hmail,Dovecot Monitoring: Nagios, Zabbix, Monit, Munin, Cacti Virtualization: Openvz, Vmware/Vsphere ESXi/server, VirtualBox CMS : Wordpress, Magento firewalls: iptables, ufw Other: standard network services (DNS, DHCP, FTP, SVN/Git, http proxy, VPN, backups, monitoring etc)