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I'm a Software Engineer and DevOps Engineer with hands-on experience building production-grade applications and the infrastructure that runs them. Software Engineering: I build scalable, production-ready web applications and SaaS platforms using React, Next.js, Node.js (NestJS), Django, and PostgreSQL. I've delivered multi-tenant platforms with authentication, role-based access, Stripe billing, and background processing — owning features end-to-end from system design to deployment. DevOps & Infrastructure: I design and manage CI/CD pipelines (GitHub Actions), containerized deployments (Docker), reverse proxy configuration (Nginx), and cloud infrastructure on AWS. I focus on automated deployments, monitoring, and reliable production environments. I care about clean architecture, scalability, and long-term maintainability. If you need someone who can both build the application and ship it reliably, let's talk.

I fix bugs fast and build things that work. Backend broken? Database slow? App crashing? Server down? Send me the details — I'll diagnose it and give you a clear plan within hours. What I deliver: → Bug Fixing — fast diagnosis, fast turnaround, across any stack I know → Laravel & PHP — APIs, performance optimization, N+1 fixes, full backend systems → Python & Django — automation, backend services, scripting, data processing → Android Apps — Kotlin, Java, Firebase, Room DB, Play Store publishing → MySQL & Databases — query optimization, ClickHouse, schema design, migration → DevOps & Linux — server setup, hardening, Docker, Ansible, Nginx, CI/CD 9+ years building and maintaining production systems at scale. RHCE, RHCA, CCNA certified. I've managed infrastructure serving 50,000+ concurrent users and built data pipelines processing millions of records

🚀 DevOps, Cloud & Kubernetes Engineer | Terraform | CI/CD | Automation Expert 🏆 Top Rated Plus | ✅ 3000+ hours • 19+ Projects Delivered 👋 Hi, I’m Sabry . Your DevOps partner for scalable, secure, and automated infrastructure. I help startups and enterprises build, automate, and manage modern cloud infrastructure using best-in-class DevOps tools and practices. If you’re looking for reliability, speed, and clean automation, you’re in the right place. For the past 9+ years, I’ve helped clients reduce deployment times, cut cloud costs, and bring stability to complex systems through Terraform, Kubernetes, and CI/CD automation. 🧩 What I Can Help You With ✅ Cloud Infrastructure Design & Deployment: Azure, AWS, GCP, OCI, Alibaba Cloud, Huawei Cloud ✅ Infrastructure as Code (IaC: Terraform, Ansible, Crossplane ✅ CI/CD Pipelines: Azure DevOps, Jenkins, GitHub Actions, GitLab CI, Bitbucket Pipelines ✅ Kubernetes & Containers – Docker, Podman , Compose, Swarm, Kubernetes, Rancher, Helm, Kustomize ✅ Monitoring & Observability: ELK/EFK, Prometheus/Grafana, Loki/Promtail, Splunk, SigNoz, Uptrace, openTelemetry ✅ Automation & Scripting: Bash, Python, Powershell 🎓 Certifications That Back It Up 🏅 RHCSA – Red Hat Certified System Administrator 🏅 RHCE – Red Hat Certified Engineer 🏅 CKA – Certified Kubernetes Administrator 🏅 CKAD – Certified Kubernetes Application Developer 🏅 CKS – Certified Kubernetes Security Specialist 💬 What Clients Say ⭐⭐⭐ ⭐ ⭐ “Sabry did an excellent job. I’m really impressed with what he delivered and recommend him to anyone looking for top-quality DevOps work.” ⭐⭐ ⭐ ⭐ ⭐ “He’s fantastic and responds quickly. Everyone should hire him for all types of jobs.” 🌟 Why Clients Hire Me 🔹 I treat your infrastructure as if it’s my own with reliability, security, and scalability in mind. 🔹 I communicate clearly and document everything, so you’re never left guessing. 🔹 I deliver results on time, every time. 🤝 Let’s Build Something Great Whether you’re migrating to the cloud, setting up CI/CD, or scaling your Kubernetes clusters. I can help you get there faster and safer. 📩 Message me today, and let’s discuss how I can simplify and automate your infrastructure!

If your server is slow, unstable, crashing, or costing you more than it should — I fix that. I’m a Senior Linux & DevOps Engineer with 10+ years of hands-on experience helping businesses stabilize production servers, fix critical issues, and optimize infrastructure for performance, security, and cost. Typical problems I solve: • High CPU / RAM usage & slow servers • Broken or unstable Kubernetes clusters • Failed migrations (AWS, Hetzner, DigitalOcean, GCP) • WordPress / cPanel performance issues • Security incidents, malware, and server breaches • Scaling issues and downtime What you get: ✔ Fast and accurate troubleshooting ✔ Clear explanation (no tech confusion) ✔ Production-safe fixes ✔ Long-term stability, not temporary patches I’m a Certified Kubernetes Administrator (CKA) with proven experience across AWS, GCP, Linux, Docker, Nginx, and cPanel environments. If your system is in trouble — I’m the guy you bring in to fix it.

On recent projects I've cut page load times by 60% and database queries by 70% on large-scale systems. I'm a senior full-stack and DevOps engineer who builds the application and runs the infrastructure it lives on, so the work never gets stuck between development and operations. 7+ years and 30+ shipped projects for international clients. I'm currently a Senior Engineer at Globant, rebuilding the Saudi Tourism Authority's VisitSaudi platform (10 languages) onto a Django + Wagtail + React stack running on Kubernetes. I also founded and solo-run Second Wing, a bilingual SaaS now serving 2,400+ daily users, so I know how to build something real and keep it alive. WHERE I CAN HELP ▸ Full-stack web apps: React, TypeScript, Next.js, Astro, Svelte on the front; Django, DRF, FastAPI, Node on the back; PostgreSQL, Redis, MongoDB underneath ▸ DevOps & infrastructure: Docker, Kubernetes, GitHub Actions CI/CD, Nginx, Linux, and deployments on AWS, Oracle Cloud, and Cloudflare ▸ Architecture & APIs: designing services from the ground up, REST API design, database modeling, and tying multi-service systems together ▸ CMS & headless platforms: Wagtail, headless architectures, component-driven design systems, and large-scale CMS migrations ▸ Performance engineering: 60% faster page loads and 70% faster database queries on large systems WHAT MAKES ME DIFFERENT ▸ I own the whole stack, from architecture and API design through deployment and monitoring. I run what I build in production, so problems don't get passed around. ▸ Bilingual by default: native Arabic speaker shipping pixel-perfect Arabic/English platforms with full RTL support. Few engineers do this well. ▸ I take systems from first commit to production and keep them running. I've built and operated platforms serving thousands of daily users, owning the architecture, deployment, monitoring, and incident response myself. SELECTED WORK ▸ VisitSaudi (Globant): national tourism platform, 10 languages, migrated from Adobe Experience Manager to Django/Wagtail/React on Kubernetes, full bilingual Arabic/English with RTL. ▸ Second Wing: a bilingual SaaS I founded and run solo. 240+ API endpoints, three-tier subscriptions, booking, and a resource library, on a self-managed Kubernetes cluster with custom monitoring, from first commit to thousands of daily users in under a year. ▸ MinTax: desktop app for UK tax professionals (Electron + SvelteKit + FastAPI) automating HMRC tax analysis. A 14-step engine cuts 4+ hours of manual work to under 2 seconds, with AES-256 encryption and large-scale Excel processing. WHAT CLIENTS SAY "One of the best freelancers I've worked with on Upwork. Strong work ethic, very professional and knowledgeable, and always tries to find ways to improve a project." (Aman S., repeat client) "He took detailed notes, adhered to a strict timeline without any issues, was communicative throughout, and delivered a successful codebase." (Dustin A.) I've kept a 100% completion rate and a 5-star average across all my Upwork contracts. GOOD FIT FOR • Full-stack web applications and platforms • DevOps, deployment, and infrastructure • CMS-driven and headless platform builds or migrations • Long-term, ongoing development work • Bilingual / RTL Arabic-English projects Tell me what you're building and what success looks like, and I'll walk you through how I'd approach it.

👋 Hi, I'm Mohamed Shaheen, a passionate and results-driven Senior Web Developer & Computer Engineer originally from Palestine, currently based in Egypt. With over 8 years of hands-on experience, I specialize in building high-performance, scalable, and secure web applications. My core strengths lie in PHP and Python, with advanced expertise in frameworks such as Laravel, Django, Vue.js, React, and WordPress CMS. Technical Expertise ✅ Backend : PHP (Laravel, Codeigniter), Python, Node.js, RESTful APIs, GraphQL ✅ Frontend : Vue.js, React.js, HTML5, CSS3, Tailwind CSS , jQuery & AJAX ✅ Cloud/DevOps : AWS (EC2, S3, Lambda), Docker, CI/CD Pipelines (GitHub Actions) , DigitalOcean, Linux/Ubuntu servers ✅ Databases : MySQL, PostgreSQL, MongoDB, DynamoDB, Redis I Love Working On: ✅ Full Laravel applications & APIs ✅ Performance optimization (Eloquent queries) ✅ Payment & shipping gateway integration ✅ Custom WordPress & WooCommerce development ✅ DevOps tasks and server deployment ✅ Fixing bugs, improving UX/UI, and delivering clean code 🎯 My Goal To deliver 100% client satisfaction through clean, maintainable code and reliable solutions tailored to meet your business needs. 📬 Let's connect and bring your next idea to life! I'm always happy to discuss new projects and opportunities. Thanks – Mohamed Shaheen