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Enterprise level Linux system engineer and Cloud architect with 8+ years of experience in:- -- LAMP/LEMP(Nginx) administration and server security hardening (Ubuntu, Debian, Centos,RHEL,HAProxy, Ruby deployment, DevOps, Python/Django deployment DevOps,Nagios, fail2ban, CloudFlare..) -- Amazon web services - AWS (EC2, VPC, RDS, S3, Route53, Cloudfront, Elastic Load Balancer, AutoScaleing, etc..) -- DDoS mitigation and prevention -- Nginx rewrites -- Google pagespeed -- Linux troubleshooting -- VPS providers: Linode, Rackspace, Amazon(AWS), MediaTemple, HostGator, Cloudflare, MaxCDN, CloudFront, NameCheap, GoDaddy, DigitalOcean, EC2, Bluehost -- Parallels Plesk -- Odoo/OpenERP installation -- VPS administration -- AWS EC2 administration -- VMware vSphere --NewRelic -- fail2ban -- openswan -- HAProxy -- keepalived, vrrp -- elasticsearch -- Nagios monitoring -- Elastic Load Balancer -- LINUX deployment and migration -- Rackspace Cloud Services -- Ruby on Rails app deployment -- Python - Djengo app deployment -- CPANEL, PLESK, WEBMIN, SHELL/SSH administration -- proftpd, pure-ftpd, pure ftp -- DNS, BIND, PowerDNS -- SSL certificates -- Site migration -- Network troubleshooting -- CSF firewall -- VPN -- Cisco, Mikrotik, Juniper Networks, Extreme Networks.. -- Linux PENTAHO deployment -- Squid, AiCache, AiScaler. Experience with various providers such as:- -AMAZON WEB SERVICES (AWS, EC2..) -RACKSPACE -HOSTGATOR -GoDaddy -MediaTemple -Cloudflare -NameCheap -LINODE -QuickWeb -HAProxy -heroku -etc.. -WHMCS RESELLER setup and migration on project or permanent basis. Including DNS, EMAIL, WORDPRESS migration -CPANEL, PLESK, WEBMIN, H-sphere, SHELL administration -SSL certificates

✅ ABOUT ME: I am a Professional Full Time Freelancer. I have 9+ years of experience working on Windows/Linux server administration, CICD Devops ,AWS, Azure, windows/Linux troubleshooting, HyperV, proxmox servers, DNS records mapping, IIS, Domains and DNS records management, active directory, web server, webhosting, databases administrations and Mail server implementations, administrations for the mail services MS Office365, Gsuite, Zimbara and postfix . ✅ WHY ME? • Full-time Professional – I work on Upwork as a full-time freelancer. I take every project seriously and I am highly professional. • Highly responsive – I’ll always get back to you in less than 02 hours. • 100% Client satisfaction – I provide revisions and modifications even after our contract ends. • I provide accurate solutions and just as important, I can guide you to future prospects and put your project on the right track. • Good communication skills – You will find me very friendly to talk to. ========================================= #Windows Servers - clients #Linux Server - clients #Web servers - IIS, Apache, XAMPP, Nginx and Tomcat #Database Servers - MSSQL, ORACLE, MYSQL, MongoDB #Webhosting tools- Plesk, cPanel and CWP #Cloud services providers - AWS, Azure, GCP, Digital Ocean, World stream, OVH Cloud, Hetzner and Hosting raja #Hosting providers - Hostinger, Bluehost, Namecheap, Godaddy, Bigrock and Hostgator #Active Directory - setup, users creation, Centralized Management, policy creation and enhanced Security #Troubleshooting - L1, L2 Tools used ============== Github, SVN IIS,Apache,Tomcat,Nginx , Apache Kafka and Wordpress SSH, RDP, VNC, Anydesk, Splashtop and screen connect Mobaxterm,Toad,SSMS and Workbench Plesk,WHM,Cpanel Active Directory, IAM Servicenow, Redmine, Microsoft Teams and Slack Previous Clients Feedback: 1- "Karthik was an exceptional Upworker to deal with. He was responsive, communicative, knowledgeable and proactive at solving my urgent technical issue (my businesses website was down for an unknown reason) and I wouldn't hesitate to recommend him to anyone else seeking an excellent technical support specialist. Thank you Karthik!" 2- "Karthik went above and beyond to progress with a very difficult issue in a very short period of time. He is kind, hard-working, and knowledgeable." 3- "I recently had the pleasure of working with "Karthik Raja" on installing PMB Software project, and I must say it was an outstanding experience from start to finish. I highly recommend "Karthik Raja" to anyone seeking top-notch freelancing services." 4- "he provides ideas to solve our problems he is a best gem have ever met. He focused only in customer satisfaction. no negative reviews." So why wait? Just invite me to your job on Upwork so we can discuss how to make your project a success. Let’s work together and get it done!! Thanks, Karthik

I ship production code faster using Claude Code as my primary development tool. Every project I deliver, from backend APIs to full-stack web apps, is built through an AI-native workflow (Claude Code Max Plan, GitHub Copilot, Warp AI) that lets me move at the pace of a small team while maintaining 80%+ test coverage and CI/CD from day one. Currently building AI-powered services for two Fortune 500 companies: an actuarial data processing API (FastAPI, Azure DevOps) for a global reinsurance firm, and cloud infrastructure for a major insurer's 10,000-employee desktop migration (Azure VDI, Terraform). WHAT I DELIVER AI Agents & LLM Systems: Built a multi-scope contextual memory platform for autonomous AI sales agents using FastAPI, AWS Bedrock, OpenSearch Serverless, and LangChain. RAG pipelines, vector search, prompt engineering, embeddings, and deploying LLMs to production with proper error handling and monitoring. OpenAI, Claude API, Deepgram, and AWS Bedrock integration. I build agents that persist memory, learn user style, and operate autonomously. Full-Stack AI Development: MERN stack, Spring Boot (Java 21), Python (FastAPI, Django), Next.js, React Native. From database schema to deployed frontend, I own the entire stack so you coordinate with one person instead of three. Built and maintain FocusHive (focushive.app), a live multi-service platform with Spring Boot microservices and a Next.js frontend. 1,376+ tests across my Stripe integration toolkit alone. Claude Code & AI-Native Workflow: Claude Code Max Plan is my daily driver for architecture decisions, complex refactoring, TDD, and debugging. Combined with GitHub Copilot and Warp AI, I deliver at a velocity that typically requires a 2-3 person team. This isn't a gimmick; it's how I maintain quality at speed across 59 delivered contracts. DevOps & Cloud: Azure DevOps pipelines, Docker, GitHub Actions, Terraform. Designed hub-spoke Azure infrastructure with ExpressRoute, Firewall rules, and multi-region DR for an enterprise migration. Multi-environment deployments with monitoring and automated rollbacks. MLOps: Production NLP pipeline processing 1,000+ daily messages with OpenAI + VADER fallback, delivering 60% reduction in manual moderation and 70% cost savings. Experience with AWS Bedrock inference, embedding pipelines, vector database management (OpenSearch, Pinecone, Chroma), and model monitoring. BEST FIT FOR - Teams that want an AI-native developer who ships fast with Claude Code - Companies building AI agents, RAG systems, or LLM integrations - Enterprise API development with compliance requirements (GDPR, SOX, HIPAA) - SaaS product development from database to deployment Available 30-40 hours/week for dedicated engagements. Timezone: IST (UTC+5:30), flexible overlap with US/EU/Canadian hours.

Google Ads MCP Certified Manager | 10 Years Local SEO Experience | Facebook / Meta Ads MCP Marketing | Top Rated Plus | Top 1% Freelancers | 100+ Five-Star ratings | Message me to get started — Book 30-minute consultation.... Hi! I’m Aarju, a results-driven Digital Marketing Specialist with 8+ years of experience managing Google Ads, Facebook/Meta Ads, and AI-powered Local SEO for businesses across multiple industries. I help clients generate qualified leads, improve ROI, and grow their online presence through data-driven marketing strategies. What I Can Do for You: Google Ads Management: Search, Display, Performance Max, and Remarketing campaigns optimized for conversions and ROAS. Facebook/Meta Ads Management: Audience targeting, creative testing, and campaign optimization to increase leads and engagement. AI-Powered Local SEO: Optimize local listings, Google Business Profiles, keyword research, and on-page SEO to dominate local search rankings. Conversion & Landing Page Optimization: Improve CTR, reduce CPA, and increase website conversions through CRO strategies. Analytics & Reporting: Monitor campaigns via Google Analytics, Tag Manager, SEMrush, and Facebook Insights to make data-driven decisions. Why Work With Me: Successfully managed 100+ campaigns across Google, Meta, and SEO. Increased leads and reduced costs for service businesses, local clients, and e-commerce brands. Strong knowledge of AI tools for automated keyword research, content recommendations, and local ranking improvements. Transparent reporting with actionable insights for continuous growth. If you want to scale your digital marketing campaigns and improve online visibility, I can provide expert strategies that deliver measurable results....