Welcome to my profile! With over 10 + years of experience as a System Administrator and Email Marketing expert, I bring a wealth of expertise in managing and optimizing various aspects of web hosting and server environments. Web Hosting Expertise : I specialize in a diverse range of hosting panels including WHM/Cpanel, Zpanel, Plesk, Virtualmin, Ispconfig panel, Direct Admin, Centos Web Panel, Webuzo, among others. My proficiency ensures seamless management and operation of hosting environments. Services Offered : My services encompass comprehensive Linux and Windows server setup, security enhancements, performance optimizations, seamless server migrations, SSL implementation, and meticulous management of server components such as Apache, Nginx, Postix, Exim, Bind DNS, and more. Linux OS Mastery : I am well-versed in various Linux distributions including Ubuntu, CentOS, Redhat, Fedora, Debian, and all Linux flavors, enabling me to cater to diverse server environments with precision and efficiency. Cloud Services : I offer expertise across leading cloud platforms such as Amazon Web Services, Linode, Digital Ocean, Google Cloud, ensuring robust and scalable hosting solutions tailored to your requirements. Email Campaign Management : Elevate your email marketing efforts with proficiency in a wide array of email campaign managers including Mailgun, Convertkit, SalesHandy, PHPlist, EmailOctopus, SendinBlue, AWS SES, Postal, PowerMTA, GreenArrow, Interspire, Mailwizz, Mumara, Sendy, Sendgrid, Mautic, ElasticEmail, Mailchimp, Klaviyo, and more. Firewall Expertise : My expertise extends to implementing and configuring firewalls such as Unix/Linux Iptables, CSF, and other firewall solutions to fortify your server security and protect against potential threats. I am dedicated to providing outstanding service and enhancing your hosting and server infrastructure. I eagerly anticipate working with you to accomplish your goals with effectiveness and efficiency.

7+ years of experience in DevOps, Kubernetes, and cloud infrastructure automation, helping startups and engineering teams deploy, scale, migrate, and modernize production environments with reliability and cost efficiency in mind. I specialize in Kubernetes operations, CI/CD automation, Infrastructure as Code, cloud migrations, infrastructure modernization, and production-grade DevOps pipelines across AWS and multi-cloud environments. Core Tech Stack & Tools - Cloud: AWS (EC2, Lambda, S3, API Gateway, RDS, DynamoDB, CloudFront, AppSync), Azure,GCP - Kubernetes & Containers: EKS, AKS, GKE, ROSA, RKE, k3s, ECS, Docker, Helm - IaC & Automation: Terraform, Pulumi, AWS CDK, Python, Bash, Cloudformation - CI/CD: GitHub Actions, GitLab CI/CD, CircleCI, Jenkins, ArgoCD - Monitoring: Prometheus, Grafana, CloudWatch, ELK, Netdata - Databases & Messaging: RDS, MongoDB, Redis, DynamoDB, RabbitMQ, SQS Specializations & Architecture Focus - Kubernetes Infrastructure & Cluster Management. - Event-Driven Autoscaling with KEDA. - AWS Cloud Automation. - CI/CD Pipeline Engineering. - Infrastructure Migration & Modernization. - Terraform & Pulumi Infrastructure as Code. - Production Monitoring & Observability. - Cloud-Native & Microservices Architecture. - High Availability & Zero-Downtime Deployments. Key Achievements - Reduced AWS infrastructure costs by 30%. - Managed zero-downtime Kubernetes modernization. - Migrated legacy workloads to cloud-native platforms with optimized costing. - Implemented event-driven infrastructure autoscaling using KEDA. - Scaled Kubernetes clusters from 2 to 20+ nodes. - Built reusable Terraform and Pulumi modules. - Improved monitoring using Prometheus and Grafana with proactive alerts. - Delivered MVPs and PoCs on AWS, Azure and GCP. The Value I Bring - Strong end to end ownership of production infrastructure, migrations, and deployment workflows. - Experience working with SaaS startups and Japanese client for 7 years. - Focus on scalable, automated, and reliable cloud-native systems with cost optimization in mind. - Practical approach to infrastructure modernization, migration, and DevOps automation. Let’s connect if you need help with Kubernetes, cloud migrations, infrastructure modernization, CI/CD pipelines, infrastructure automation, or scaling production systems.

Senior Linux System Administrator | DevOps Engineer | Cloud & Hosting Infrastructure Expert Hi, I’m Maxin, a hands-on Linux and DevOps professional with 10+ years of experience managing, optimizing, and securing server infrastructure across cloud, hosting, and enterprise environments. I combine deep technical knowledge with real-world troubleshooting skills, and I pride myself on delivering clean, stable, well-documented systems that just work. 🔧 What I Do Best: 🖥️ Linux & Server Management • Strong with CLI and GUI-based systems – RHEL, Rocky, AlmaLinux, Ubuntu, Debian • Experienced with server hardening, tuning, kernel-level debugging, RAID, LVM, and GRUB recovery • Comfortable with both panel-based (cPanel, Plesk, CyberPanel) and bare-metal servers ☁️ Cloud Platforms – AWS | Azure | GCP | OVH | DigitalOcean • Infrastructure setup and cost-optimized scaling • EC2, S3, IAM, VPC, Azure VMs, Blob storage, cloud networking • Multi-cloud and hybrid cloud management experience ⚙️ DevOps & Automation • Automation using Bash, Ansible, GitHub Actions, Jenkins • Proficient in CI/CD pipelines, deployment scripts, and auto-scaling environments • Strong experience with Docker, Docker Compose, and lightweight containerization • Beginner exposure to Kubernetes and Helm (primarily home lab) 🛠️ Scripting & Code • Expert in Bash, solid experience with Python (for utilities, automation), and PHP (for WHMCS and web tasks) • Cron job automation and proactive system reporting 🌐 Web Hosting & Panels • Apache, Nginx, LiteSpeed – full web stack setups and optimizations • Expert with cPanel, Plesk, CyberPanel, SolusVM, WHMCS billing systems • Email server configuration and tuning – Zimbra, Postfix, SPF, DKIM, DMARC • Domain & DNS management – Cloudflare, registrar panels, SSL certs 🔒 Monitoring, Security & Performance • Nagios, Zabbix, Grafana, Prometheus – alerting and performance dashboards • Security: OSSEC, SELinux, AppArmor, iptables, firewalld, Fail2Ban, WAF • Load balancing, failover design, and high availability (HA) concepts 🧰 Virtualization & Backup • VMware vSphere/ESXi, Proxmox, KVM – VM lifecycle management • Backup systems: Backblaze B2, AWS S3, Veeam, RClone setups for automation ✅ Why Hire Me? • Proven experience handling production environments with 99.9%+ uptime • Calm under pressure – capable of solving L3-level issues during on-call emergencies • Always document, automate, and simplify wherever possible • UK-based (Daventry), fluent communicator, open to both short- and long-term contracts • No sponsorship required – I’m on a dependent visa and can renew independently • Available for remote work or on-site visits within the UK Whether you're running high-traffic WordPress sites, custom web apps, or enterprise services, I’ll help you build reliable infrastructure, automate the boring parts, and keep your systems secure and performing at their best. I’ve worked with startups, agencies, data centers, and SaaS providers – and I bring the same dedication to every project, big or small. Let’s connect. I’d love to help you take the stress out of infrastructure.

With two decades of hands-on experience in Linux environments and a specialization in Debian-based systems, I offer expert consulting services aimed at enhancing operational efficiency, securing systems, and ensuring your IT infrastructure adheres to the highest standards of reliability. Core Consulting Services: * System/Server Administration: Manage critical infrastructure across global deployments, with proven experience serving Fortune 500 companies across North America, Asia, and Europe. * VoIP Solutions: Design and implement custom Asterisk-based systems, including cutting-edge integrations with AI/ML services for text-to-speech, speech-to-text, and large language models. * API Integration & Backend Development: Create robust backend systems integrating modern cloud services like Twilio for SMS/email gateway functionality, custom AGI scripts, and advanced telephony solutions. * Remote Infrastructure Management: Provide expert remote administration across multiple time zones, with experience managing systems in the US, China, Japan, the Netherlands, and Australia. Specialized Expertise: * Global Systems Architecture: Design and implement solutions that work across international boundaries, considering regional compliance requirements and technical constraints. * Modern VoIP Integration: Develop custom telephony solutions that leverage artificial intelligence and machine learning capabilities, bridging traditional VoIP systems with next-generation technologies. * Cross-Platform Communication: Build reliable backend systems that integrate multiple communication channels (voice, SMS, MMS) with enterprise-grade reliability. * Time-Zone Optimized Operations: Maintain high system availability across multiple time zones with proven experience in 24/7 global operations. Get in Touch Elevate your systems and security with expert guidance. Contact me for a detailed consultation and discover how your business can benefit from my specialized expertise.

👋 Welcome to my profile! I'm a seasoned Full-time remote Web Developer with over 5 years of hands-on experience and a passion for crafting exceptional digital experiences. With a track record of delivering successful projects that surpass client expectations, I bring a wealth of expertise in both front end and back end development to every project I undertake. Core Competencies: Front End Development: 💻 UI Frameworks: Bootstrap 5, React, Next.js 🌐 Static Site Generators: Jekyll (configured with GitHub workflows), Mk Docs theme customizations & deployment 🔗 Version Control: GitHub, Git 🚀 API Stack: Fast API, Flask, bottle, Apache loop back 📦 Deployment Stack: Docker, Linux, Virtual machines (KVM, Proxmox, Hyper-V) Backend Development: 🛢️ Databases: MariaDB, MySQL, MongoDB 🌐 Web Servers: Nginx, Apache 🖥️ Operating Systems: Ubuntu, Debian, Fedora 🛠️ Scripting: Bash, Python ☁️ Cloud Platforms: - Google Cloud (Google IoT Messaging Core, Google Custom Search API, Text-to-Speech) - AWS (Lambda, EC2, S3, Light sail, RDS) - Digital Ocean (Droplets, Functions) - Cloudflare (Pages & Workers, Domain registration & configuration , SASE & SSE platform)

Principal Software Engineer & Architect , CTO, AWS, Node.js, Python, IoT, SaaS, E-commerce Upwork Expert Vetted Top 1% I am an AI empowered coder. It increases my production many fold. It is not vibe coding. It's AI context engineering code assistance, or something like that. It's amazing. I help companies scale their technical teams and ship production-grade systems faster. As a seasoned Fractional CTO and hands-on Principal Engineer, I combine 30+ years of daily coding with strategic technical leadership. I enjoy writing code alongside the teams I lead because staying technically current makes me a better architect and leader. AI tools support my development process while design decisions and code quality remain experience-driven. WHAT I DELIVER: Hands-On Development & Technical Leadership • Backend systems in Node.js and Python handling real-time data at scale • AWS architectures using ECS, Lambda, IoT Core, SQS, RDS, and API Gateway • Infrastructure as Code with CloudFormation for cloud and on-premises deployments • Team building, mentoring, and implementing development processes that deliver results Specialized Expertise • IoT & SCADA systems for industrial monitoring and control • Microservices architecture and RESTful API design • AI/LLM integration using OpenAI APIs • Database design and optimization (PostgreSQL, MySQL, NoSQL) RECENT IMPACT: I architected a complete AWS IoT platform for industrial monitoring, recruited and mentored a 4-person development team, and delivered both cloud and on-premises deployments. I built an AI-powered recruiting platform that reduces recruiter workload from months to hours through automated screening and intelligent matching using OpenAI LLMs. I designed a SCADA/IoT control system for EV bus charging and co-invented a patented cost-optimization algorithm (US20210086647A1). The company was subsequently acquired by BP. I was hired to resolve a critical firmware hang. Problem solved. Asked to stay on, I've since improved architecture robustness, resolved bottlenecks, and enhanced system reliability. MY APPROACH: I take ownership and dig deep into your problem space. I ask questions, raise concerns proactively, and work to understand what's actually needed rather than just what's asked for. I provide continuous feedback to stakeholders and maintain hands-on involvement in code while guiding technical strategy. CREDENTIALS: • BS Computer Science, University of Texas at Austin (Top 10 CS program) • 2 US Patents (Personalization Technology, EV Fleet Management) • Member of Mensa and Intertel • 30+ years building production systems from startups to enterprise TECH STACK: Languages: Node.js, Python, JavaScript, C/C++, SQL, Bash Cloud & DevOps: AWS (ECS, Lambda, IoT, SQS, RDS), CloudFormation, Docker, CI/CD Architecture: Microservices, RESTful APIs, Event-driven systems, Distributed systems Domains: IoT, SCADA, SaaS, Embedded systems, AI/LLM integration, E-commerce Databases: PostgreSQL, MySQL, NoSQL Integrations: OpenAI API, Twilio, Stripe, MQTT, Modbus, OCPP I'm looking for principal engineer roles and/or fractional CTO engagements and where I can drive technical strategy while coding daily. Let's discuss how I can help accelerate your technical roadmap.

• Bachelor's degree in computer science • 9+ years of working experience • Highly skilled in configuring CI/CD pipelines, working with Azure DevOps (ex-VSTS), ArgoCD, Azure, Google Cloud Platform, AWS. • Google Cloud Certified as Professional Cloud Architect. • Experience in bash, Powershell and Python scripting. • Experienced in IaC - creating ARM templates with JSON and configuring pipelines for deploying resources to Azure. • Experienced in Terraform and Puppet infrastructure automation, On- hands experience with Ansible. • Experience with creating yaml pipelines for Azure DevOps • Responsible and easy-learning person, able to meet deadlines and work on systematic troubleshooting. • Management experience within own startup (team was up to 10 people) EDUCATION Name of the Education Establishment: National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" Faculty/College: Informatics and Computer Technology Degree (diploma): Bachelor Specialty: Computer Science CERTIFICATION Microsoft 70-533: Implementing Microsoft Azure Infrastructure Solutions Google Cloud Certified: Professional cloud Architect PERSONAL ATTRIBUTES • Responsibility • Business-orientation • Self-organisation • Time management • Ability to prioritise • Team orientation • Openness • Integrity LANGUAGES • English - C1 • Ukrainian - native • Russian - native • Norwegian (bokmål) - A1

Hi, I'm Tanul have 6+ years of experience in DevOps operations. I'm an Innovative Senior DevOps Engineer with a strong Linux background of experience designing, implementing, and managing cutting-edge deployment automation of cloud resources. Highly experience in supporting, automating, and optimizing mission-critical deployments in AWS, leveraging configuration management, CI/CD, and DevOps processes. I tend to specialize in jobs involving Amazon Elastic Container Service (Amazon ECS), Lambda, and AWS RDS. Still, I also have lots of experience with S3, IAM, SES, SQS, SNS, EC2, and DynamoDB. DevOps tools & scripting languages that I've worked on- ======================================== Cloud Computing - AWS - Azure - Digital Ocean - GCP - Ali Cloud - Heroku - Oracle Cloud - Open Stack CI/CD - Jenkins - AWS Code Pipeline - AWS Code Deploy - AWS Code Build - GCP Cloud Build - Gitlab CI/CD - Bitbucket CI/CD - Bamboo - Github CI/CD - Heroku CI/CD Infrastructure As Code - Terraform - Cloud Formation - Ansible Scripting/Automation - Bash/Shell Script - Python Scripting Configuration Management Tools - Ansible - Puppet Monitoring - Check_MK - Nagios - Prometheous and Grafana - Elastic Search - Kibana - Logstash - Cloud Watch - Cloud Trail - Zabbix - Cacti - Pingdom - Data dog - Azure Monitor Containerization and Orchestration - Docker - Kubernetes - AWS EKS - AWS ECS - GCP GKS - Azure AKS - Azure ACS - OpenShift Web Servers - Nginx - Apache - Apache Tomcat - HAproxy - IIS Application Servers - PM2 - Puma - Node.js - PHP - ROR - .Net - Python/Django - Wildfly/Jboss - .Net Core - Java Version Control System - Bitbucket - AWS Code Commit - Azure Repos - Gitlab - Github Databases - MySQL - Postgres - MongoDB - MariaDB - Redis - Memcache - Memory Store - AWS RDS Service - MS SQL Most recently, as an AWS Certified Architect, I have specialized in AWS solutions and have been working for the last years providing independent consultors to many companies. I have strong experiences with many specialized AWS services, such as Lambda, IoT, Kinesis, Redshift, Glue, and Athena. Thanks Tanul

COMMITTED to getting it right the first time and delivering on time, every time! I bring over 8 years of experience as an Expert Python developer. I have worked with many organizations, including Harvard Medical School (HMS), King Khalid University (KKU), Microsoft & Google Developers. I have worked on the entire application lifecycle, right from frontend development to backend and devops. Projects I've worked on include: 1. OpenEdX - Working for OpenCraft, I worked on developing the open source EdX platform OpenEdX. I worked on both the frontend (React) and backend (Django). This is where I got the opportunity to collaborate with developers from Harvard Medical School (HMS), King Khalid University (KKU) and more. I worked extensively on deployment automation via Ansible & Docker. 2. GDG (Google Developers Groups) - I have been an organizer of my local GDG chapter for 7 years. During that time I've developed over a dozen aplications & scripts including complex integrations with AirTable and Zapier

A Cloud Reliability, DevOps & SRE Platform Expert with 20+ years building secure, scalable, high-availability platforms for enterprise and high-growth startups. I specialize in Kubernetes, GitOps, cloud networking, observability, automation, and security engineering across AWS, GCP, Azure, and hybrid datacenters. I design, build, and fix complex infrastructure fast including Linux K8s N8N clusters, CI/CD pipelines, multi-cloud networking, service meshes, monitoring, and zero-drift GitOps. My background spans fintech, SaaS, adtech, and large-scale data systems (Cisco, Emodo, Altruist, GreenDot). 🔧 Deep AI, ML Expertise & Tech Stacks ✅ EKS, AKS, GKE, RKE2, K3s, OpenShift ✅ vCluster, Loft, multi-tenant clusters, test environments ✅ Cluster API (CAPI), kubeadm, automated cluster lifecycle ✅ Cilium, Calico, CNI tuning, network policies, eBPF ✅ Istio, Linkerd, Envoy, Ingress controllers, L7 routing ✅ Helm, Kustomize, Jsonnet, chart optimization ✅ Argo CD, FluxCD, GitOps pipelines + multi-cluster sync ✅ Horizontal/Vertical autoscaling, Karpenter, Cluster Autoscaler ✅ GPU clusters, A100/MI300 scheduling, multi-GPU workloads ✅ StatefulSets, Operators, CRDs, advanced workloads ✅ Kubernetes security hardening, Pod Security Standards, OPA/Gatekeeper 💻 Backend Engineering & APIs ✅ Go, Python, Node.js, Java, Rust, C/C++ ✅ RESTful APIs, GraphQL, gRPC, WebSockets ✅ Microservices architecture, domain-driven design ✅ Event-driven systems, CQRS, saga patterns ✅ FastAPI, Flask, Django, Express, Wordpress, Echo ✅ Message queues: Kafka, RabbitMQ, SQS ✅ ORM/query builders: SQLAlchemy, Prisma, GORM, TypeORM ✅ Authentication: OAuth2, OIDC, JWT, SAML, mTLS ✅ API gateways, rate limiting, circuit breakers 🎨 Frontend Development ✅ React, Vue, Angular, Svelte, Solid ✅ TypeScript, JavaScript (ES6+), HTML5, CSS3 ✅ Next.js, Nuxt, Remix, Astro, Vite ✅ State management: Redux, Zustand, Pinia, MobX ✅ Tailwind CSS, Styled Components, SCSS, CSS Modules ✅ Component libraries, design systems, Storybook ✅ Responsive design, accessibility (WCAG), i18n ✅ Testing: Jest, Vitest, Playwright, Cypress 🔗 Full-Stack & Application Architecture ⚙️ Monorepos: Nx, Turborepo, Lerna ⚙️ API design, OpenAPI/Swagger, versioning strategies ⚙️ Database design, migrations, schema management ⚙️ Caching strategies: Redis, Memcached, CDN edge caching ⚙️ Real-time systems: WebSockets, SSE, Socket io ⚙️ Background jobs, task queues, scheduled workers 🛠️ Developer Tooling & CLIs ⚙️ CLI development in Go, Python, Rust, Node.js ⚙️ SDK design, client libraries, developer experience ⚙️ Linting, formatting, pre-commit hooks, code quality CI/CD, Automation & Internal Developer Platforms ⚙️ GitHub Actions, GitLab CI, Jenkins, Argo Workflows ⚙️ Terraform, Pulumi, Ansible, Packer ⚙️ API automation, Python, Go, Bash, NodeJS tooling ⚙️ Golden AMIs, image pipelines, artifact promotion ⚙️ Release automation, blue/green, canary, progressive delivery ⚙️ Self-service developer platforms, environment provisioning Cloud Infrastructure (AWS, GCP, Azure) ☁️ AWS: VPC, TGW, BGP, ALB/NLB, PrivateLink, WAF, Shield ☁️ IAM, KMS, Organizations, SCPs, Control Tower ☁️ S3, CloudFront, Lambda, API Gateway, RDS, Aurora, DynamoDB ☁️ Azure networking/IAM/AKS, GCP networking/IAM/GKE ☁️ Hybrid cloud automation, colocation, bare-metal provisioning ☁️ PXE/iPXE netbooting, remote OS deployment ☁️ AMD GPU datacenter clusters (MI210, MI250, MI300) Security, DevSecOps & Compliance 🛡️ PCI-DSS, SOC2, CIS benchmarks, NIST 🛡️ Vault, SOPS, KMS, Secrets automation 🛡️ CrowdStrike, Trend Micro, Tenable, Aqua, Falco 🛡️ Zero Trust, identity boundaries, workload isolation 🛡️ Supply chain security (cosign, SBOMs, image signing) Observability & SRE Tooling 📈 Prometheus, Thanos, Grafana, Loki, Tempo 📈 OpenTelemetry, Jaeger, distributed tracing 📈 Kubernetes event pipelines, logging, metrics, alerting 📈 SLO/SLI frameworks, error budgets, resiliency testing Networking & Performance 🌐 Dell / Arista / Cisco switching 🌐 40–400GbE fabrics, LACP, MLAG, EVPN 🌐 BGP, OSPF, IPv6, VRF segmentation 🌐 NGINX, HAProxy, Envoy, Traefik 🌐 WireGuard, IPSec, Zero Trust tunnels 🌐 CDN optimization, global routing, edge acceleration Databases, Storage & Caching 💾 RDS, Aurora, PostgreSQL, MySQL, Redis, Elasticache 💾 Ceph, Longhorn, EBS/EFS/FSx 💾 Kafka, RabbitMQ, Redis Streams 💾 Backup automation, PITR, disaster recovery design ✔️ What I Deliver ✓ Production-grade Kubernetes clusters engineered for scale ✓ Zero-drift GitOps environments with full automation ✓ Enterprise-level observability & SLOs ✓ Security-by-default infra with compliance alignment ✓ High-availability & cost-efficient cloud architectures ✓ CI/CD pipelines and full developer platform tooling ✓ Fast communication, clear documentation & reliable delivery ⭐ My Satisfaction Guarantee If you’re not completely satisfied with my work, you don’t pay no questions asked. Zero risk. 100% quality guarantee. Your success or your money back.