30 years experience in IT Field. Pro in C++, Java, Scripting, business analysis, database (MySQL, Oracle) - Siebel CRM. Wide knowledge in IT Architecture. Last 10 years were in CRM in a Telco and previous experience were in Banking, Customs Operations (Saudi Customs - Automation department) and developing software for Macintosh

I am a software reverse engineer: * Are you interested in analysis of software (or device firmware) you don't have source code for? * Don't know how to extract your own data locked in a proprietary data format? * You want interoperability with a proprietary software or online service? * a vendor or supplier locks you to their overpriced closed source solution? * A company is out of business and you need to migrate or to live somehow without official support? Contact me. Requests for reverse engineering of firmwares for any kind of devices and software for all operating systems are welcome. Background: I am an High Performance Computing specialist ( keywords: "super computers" / "number crunching" ) working mostly with huge Linux systems and math related tasks. I am also a scientist specializing in linear algebra. I have somewhat outdated formal training in cryptography (and cryptography related math) but I am definitely not an expert in the field.

Hi, I am Sazedur Rahman, working as a System Engineer for Linux/Unix-like OS Based Systems in a Reputed Financial Organization. I am new to Upwork but have more than five years of profound Experience in Linux/Unix System Administration, Configuration, Server Security and Automation. Completed various Live projects such as Authoritative DNS, DNSsec, Caching DNS, Zimbra Multi-Server Mail Solution, Multiple Web Server using Apache and NGINX, Local Repository for Linux Distributions Like- CentOS/Ubuntu & EPEL/Zimbra/RemiPHP, File Server Integrated with Windows AD for more than 8K Users, IPA Server, NTP Server, Cockpit Server, Secure File Sharing with Next Cloud. Expertise in - Linux Server Configuration- Web, Mail, DNS, Virtual Hosting, Samba, NFS, FTP, HA Cluster, Apache/NGINX with SSL/TLS, Gluster Storage (GFS2), Zimbra Mail Server, Red Hat Satellite, Spacewalk (open-source systems management), Linux System Security - Firewalld, iptables, fail2ban System Automation using- Shell Scripting, Ansible, Python Linux System Penetration Testing using OpenSCAP. Virtualization- vmware, rhev, kvm Kubernetes, Docker, Container Also certified as CCNA, RHCE, RHCVA & RHCA (Red Hat Cert ID: 160-039-582).

I work with engineering leaders and CTOs who are scaling fast but fighting the same battles: deployments that take hours, environments that drift, DevOps bottlenecks that block every release, and infrastructure that isn't ready for AI workloads. I eliminate those bottlenecks - permanently. With 90+ completed projects, $900K+ earned on Upwork, and a 100% Job Success Score, I've led infrastructure transformations across Fintech, Healthcare, E-commerce, and SaaS - delivering measurable outcomes that show up on the P&L, not just in a CI/CD dashboard. Typical Problems I Solve → Deployments take hours instead of minutes → Infrastructure costs keep growing without visibility → DevOps bottlenecks block engineering teams → Kubernetes environments become difficult to maintain → AI initiatives are delayed because infrastructure isn't ready → Need a DevOps engineer for cloud migration or infrastructure audit Proven Client Results ▪️ HRM Platform → Challenge: Deployments took 3 hours, causing constant developer delays and release anxiety. → Solution: Docker parity environments + fully automated CI/CD pipeline across all environments. → Business Impact: Deployment time cut from 3 hours to 2 minutes - 98% improvement in release speed. ▪️ Connectivity Platform → Challenge: Provisioning a new environment took 1.5 weeks, blocking team velocity. → Solution: Infrastructure automation with Terraform + CI/CD pipeline standardization. → Business Impact: Provisioning time cut to 1 hour. 200-300 monthly automated deployments. Team efficiency +30-35%. ▪️ Zmyle (German E-commerce, 17+ multi-tenant sites) → Challenge: Legacy infrastructure couldn't handle Christmas peak traffic across 17 sites. → Solution: Full migration to Kubernetes with CI/CD, monitoring stack (Prometheus/Grafana/ELK), and VPN. → Business Impact: Zero downtime during peak season. Scalable multi-tenant architecture now handles 10x traffic spikes. What Working With Me Looks Like → DORA metrics-driven delivery - Deployment Frequency, Lead Time, MTTR, Change Failure Rate measured and improved → Zero-Drift Infrastructure - no more 'works on my machine' incidents → FinOps awareness built into every pipeline - cost visibility is not an afterthought → AI-ready infrastructure - prepared for LLM workloads, GPU orchestration, and vector databases → Full observability stack: Prometheus, Grafana, ELK, Datadog - you see everything I lead a team of Senior DevOps Engineers and Cloud Architects. Whether you need a one-time infrastructure audit or a long-term engineering partner - I structure engagements around your business outcomes, not billable hours. Industries: Fintech · Healthcare · E-commerce · SaaS · Blockchain Stack: AWS · GCP · Azure · Kubernetes · Terraform · GitOps · ArgoCD · Prometheus · Grafana · GitHub Actions · GitLab CI · Docker · Ansible · AI workloads Available during US business hours (EST/PST overlap). Ready to cut your deployment time and infrastructure costs? Send an invite - the first conversation is about your goals, not my resume.

⚡ DevOps Engineering | ⚡ Scripting & Automation | ⚡ Cloud & Python Backend Solutions | ML Specialist 🚀 DevOps & Cloud Engineering Expertise: • 7+ years of hands-on experience delivering high-performance, secure, and scalable applications across AWS, Azure, and GCP • End-to-end setup of robust CI/CD pipelines using Jenkins, GitLab CI, GitHub Actions, Azure DevOps, and more • Deep proficiency with Docker, Kubernetes (EKS, AKS, GKE) Terraform, CloudFormation, and ARM templates • Automated infrastructure and deployment pipelines for monoliths and microservices across HealthTech, Crypto, Stock Trading, HRM, and ERP SaaS 🔧 Scripting & Automation Mastery: • Expert in Python, Bash, and infrastructure-as-code tools like Ansible, Puppet, and Packer • Automation of complex tasks, environment provisioning, and service orchestration for faster and error-free deployments • Delivered seamless integrations with monitoring tools (Prometheus, Grafana, ELK), API gateways (Kong, Istio), and secrets management (Vault, Consul) ☁️ Cloud Computing & Backend Engineering  • Certified in AWS & Azure, with deep expertise in compute (EC2, Lambda, AKS), storage (S3, Blob), networking, and cost optimization • Developed and deployed scalable web services using Django, Flask, FastAPI, Django REST Framework, with real-time capabilities via Django Channels • Delivered production-ready backend systems with optimized SQLAlchemy, Pandas, NumPy, and background task management (Celery, RQ) 🧠 AI & Machine Learning Integration: • Integrated real-time ML/AI models into cloud-based systems for recommendation, anomaly detection, and predictive analytics • Built and deployed intelligent microservices for classification, NLP, and decision systems on AWS Lambda, Azure Functions, and Kubernetes • Expertise in model packaging, versioning, monitoring, and scaling using tools like MLflow, Docker, and Kubeflow ✅Why Choose Me: • High-quality, maintainable code with best practices in security, observability, and performance • Transparent communication and continuous support post-deployment • On-time delivery with tailored solutions for your business goals • Track record of success in both startup environments and enterprise-scale cloud migration projects 💼More About Me: I am a certified DevOps and multi cloud architect. I help companies migrate/optimize their infrastructure to cloud (AWS, Azure and GCP). ✅  I am specialized in cloud platforms such as AWS, Azure, GCP especially using tools like Docker, Kubernetes, Terraform and Bash scripting. I am always focused on creating a very secure and highly available environment with great performance, monitoring, and cost optimization. I am also specialized in CI/CD solutions with tools such as Jenkins, GitHub Actions, Gitlab among others. ✅ I have been building CI/CD solutions in AWS, Azure for organizations for more than 7 years now. I am an expert in getting startups in the Cloud with a full DevOps solution very fast. Let’s connect and explore how I can help optimize and automate your infrastructure! Whether you’re building a new cloud environment, streamlining your CI/CD pipelines, or enhancing system reliability and security, I am eager to contribute my expertise to deliver scalable and efficient solutions that drive your success.

⭐️ "𝑺𝒂𝒇𝒌𝒊 𝒊𝒔 𝒕𝒉𝒆 𝒌𝒊𝒏𝒅 𝒐𝒇 𝒑𝒆𝒓𝒔𝒐𝒏 𝒘𝒉𝒐 𝒕𝒓𝒖𝒍𝒚 𝒑𝒖𝒕𝒔 𝒉𝒊𝒔 𝒉𝒆𝒂𝒓𝒕 𝒂𝒏𝒅 𝒔𝒐𝒖𝒍 𝒊𝒏𝒕𝒐 𝒉𝒊𝒔 𝒘𝒐𝒓𝒌. 𝑯𝒆'𝒔 𝒏𝒐𝒕 𝒋𝒖𝒔𝒕 𝒂𝒃𝒐𝒖𝒕 𝒈𝒆𝒕𝒕𝒊𝒏𝒈 𝒕𝒉𝒆 𝒋𝒐𝒃 𝒅𝒐𝒏𝒆; 𝒉𝒆'𝒔 𝒂𝒃𝒐𝒖𝒕 𝒎𝒂𝒔𝒕𝒆𝒓𝒊𝒏𝒈 𝒘𝒉𝒂𝒕𝒆𝒗𝒆𝒓 𝒕𝒐𝒐𝒍 𝒐𝒓 𝑨𝑷𝑰 𝒊𝒔 𝒏𝒆𝒆𝒅𝒆𝒅 𝒕𝒐 𝒎𝒂𝒌𝒆 𝒔𝒖𝒓𝒆 𝒆𝒗𝒆𝒓𝒚𝒕𝒉𝒊𝒏𝒈 𝒓𝒖𝒏𝒔 𝒑𝒆𝒓𝒇𝒆𝒄𝒕𝒍𝒚. 𝑰𝒕'𝒔 𝒕𝒉𝒂𝒕 𝒍𝒆𝒗𝒆𝒍 𝒐𝒇 𝒅𝒆𝒅𝒊𝒄𝒂𝒕𝒊𝒐𝒏 𝒂𝒏𝒅 𝒕𝒉𝒆 𝒒𝒖𝒂𝒍𝒊𝒕𝒚 𝒐𝒇 𝒉𝒊𝒔 𝒘𝒐𝒓𝒌 𝒕𝒉𝒂𝒕 𝒎𝒂𝒌𝒆𝒔 𝒎𝒆 𝒍𝒐𝒐𝒌 𝒇𝒐𝒓𝒘𝒂𝒓𝒅 𝒕𝒐 𝒘𝒐𝒓𝒌𝒊𝒏𝒈 𝒘𝒊𝒕𝒉 𝒉𝒊𝒎 𝒂𝒈𝒂𝒊𝒏 𝒊𝒏 𝒕𝒉𝒆 𝒇𝒖𝒕𝒖𝒓𝒆. 𝑺𝒂𝒇𝒌𝒊 𝒓𝒆𝒂𝒍𝒍𝒚 𝒎𝒂𝒌𝒆𝒔 𝒂 𝒅𝒊𝒇𝒇𝒆𝒓𝒆𝒏𝒄𝒆, 𝒂𝒏𝒅 𝒊𝒕'𝒔 𝒄𝒍𝒆𝒂𝒓 𝒉𝒆 𝒄𝒂𝒓𝒆𝒔 𝒅𝒆𝒆𝒑𝒍𝒚 𝒂𝒃𝒐𝒖𝒕 𝒕𝒉𝒆 𝒘𝒐𝒓𝒌 𝒉𝒆 𝒅𝒐𝒆𝒔." — Feedback from a satisfied Upwork client --- As an experienced developer specializing in web applications, automation, scripting, and web scraping, I’m passionate about solving complex problems and delivering tailored solutions that meet your specific needs. 𝐒𝐄𝐑𝐕𝐈𝐂𝐄𝐒: - 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Creating custom web apps, Chrome extensions, and static websites with integrated APIs using frameworks like Astro, Next.js or Remix. - 𝐃𝐞𝐬𝐤𝐭𝐨𝐩 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Delivering custom software to simplify tasks and improve productivity. - 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐒𝐜𝐫𝐢𝐩𝐭𝐢𝐧𝐠: Enhancing efficiency through intelligent automation. - 𝐖𝐞𝐛 𝐒𝐜𝐫𝐚𝐩𝐢𝐧𝐠: Extracting valuable insights and data from the web. 𝐇𝐈𝐆𝐇𝐋𝐈𝐆𝐇𝐓𝐒: - 𝐏𝐫𝐨𝐯𝐞𝐧 𝐂𝐥𝐢𝐞𝐧𝐭 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧: A track record of successful projects and happy clients. - 𝐒𝐭𝐫𝐨𝐧𝐠 𝐏𝐫𝐨𝐛𝐥𝐞𝐦-𝐬𝐨𝐥𝐯𝐢𝐧𝐠 𝐒𝐤𝐢𝐥𝐥𝐬: Adept at tackling challenges and providing effective solutions. - 𝐄𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: Ensuring 𝐂𝐋𝐄𝐀𝐑 𝐔𝐍𝐃𝐄𝐑𝐒𝐓𝐀𝐍𝐃𝐈𝐍𝐆 and seamless collaboration. - 𝐂𝐥𝐢𝐞𝐧𝐭-𝐂𝐞𝐧𝐭𝐫𝐢𝐜 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: Your satisfaction and success drive every project. - 𝐐𝐮𝐢𝐜𝐤 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠: Quick adaptation to new technologies for timely delivery. Feel free to message me anytime! Let’s collaborate to transform your tech ideas into reality. --- 𝐅𝐞𝐰 𝐌𝐨𝐫𝐞 𝐖𝐨𝐫𝐝𝐬 𝐟𝐫𝐨𝐦 𝐔𝐩𝐰𝐨𝐫𝐤 𝐂𝐥𝐢𝐞𝐧𝐭𝐬: ⭐️Automate Job board inquiries: "Safki is a very talented person and very easy to work with. He will go above and beyond what is just required and will work to solve problems you might not even be considering. He is a critical thinker and you can tell he enjoys helping others and sharpening his skills. I HIGHLY recommend working with Safki." ⭐️AIML Review: "We consulted with Safki on how to use AIML effectively to create a complex dialogue. Safki was professional, knowledgeable, and responded very quickly. We were so impressed we gave him a bonus. We will use him again and recommend him to others." ⭐️Transfer Calender events: "Safki created a script to transfer my google calendar event to another account, not only he worked hard to ensure his script exactly covers the detailed request i made, he also ensured that I understand them well and was grateful to his attention to detail and consideration. I would definitely recommend him. thank you!" ⭐️ Running Tracker automation: "I had the pleasure of reaching out to Safki for an automation script, and for the third time, he delivered impeccable results in just a couple of days! His efficiency and attention to detail are unmatched. Excellent work, Safki! Thank you for your continued dedication and expertise!" ⭐️ Chrome extension OAUTH Issue: "After spending 3 hours trying to find the problem, I hired Safki and he found it immediately. Great work!!" --- 𝑷𝑺: 𝑾𝒊𝒕𝒉 𝒂 𝒑𝒓𝒐𝒗𝒆𝒏 𝒕𝒓𝒂𝒄𝒌 𝒓𝒆𝒄𝒐𝒓𝒅 𝒐𝒇 𝒔𝒖𝒄𝒄𝒆𝒔𝒔, 𝑰'𝒎 𝒅𝒆𝒅𝒊𝒄𝒂𝒕𝒆𝒅 𝒕𝒐 𝒅𝒆𝒍𝒊𝒗𝒆𝒓𝒊𝒏𝒈 𝒉𝒊𝒈𝒉-𝒒𝒖𝒂𝒍𝒊𝒕𝒚 𝒓𝒆𝒔𝒖𝒍𝒕𝒔 𝒕𝒉𝒂𝒕 𝒆𝒏𝒔𝒖𝒓𝒆 𝒀𝑶𝑼𝑹 𝒔𝒂𝒕𝒊𝒔𝒇𝒂𝒄𝒕𝒊𝒐𝒏 𝒂𝒏𝒅 𝒔𝒖𝒄𝒄𝒆𝒔𝒔. Thank you, Safki A.

Linux System Admin & DevOps Engineer My name is Almiñana Dario I am a expert Linux Server Administrator & PHP, Python programmer having 15+ years experience and ready to work. -- You can see my general skills below -- * Optimization Google Pagespeed, Magento, Wordpress, Drupal, Joomla and other CMS(administration, configuration, audit, optimization, little codding); * OS’s: Debian, Ubuntu, CentOS, RedHat, CloudLinux, Gentoo, FreeBSD (administration, configuration, audit, optimization); * Software Configuration Management: Salt, Ansible; * Web servers: nginx, Apache, SSL, PHP, PHP-FPM, Ruby, NodeJS, Python for all servers mentioned above.(installation, configuration, optimization); * Database servers: MySQL, Postgresql, MariaDB, Percona, MongoDB (installation, configuration, optimization, profiling); * Mail servers: Exim, Postfix, Sendmail, Zimbra, Qmail, Dovecot + Spamassassin, ClamAV; * Webhosting Administration Panels: cPanel, Plesk, VestaCP, Proxmox, ISPManager, Billmanager, VMManager, ISPConfig, DirectAdmin, webmin; * Amazon: AWS setup or Amazon tools; * Virtualization: OpenVZ, XEN, KVM, VMWare, VirtualBox, Docker; * Load balancing via: HAproxy, Nginx, PowerDNS, BIND; * System Backup and Restore automation; * Network services: dns (bind, powerdns), vpn (mpd, pptpd, openvpn), firewalls (iptables, ipfw), file server (samba3/4), proxies (squid, 3proxy, privoxy, nginx), drbd, Ceph, GlusterFS, lsyncd; * Monitoring: Zabbix, Munin, Nagios, Icinga; * FTP: Vsftp, Pureftp, Proftp. * Providers I use: Vultr, DigitalOcean, Linode. Google cloud, Rackspace, GoDaddy, Hetzner, AWS (Amazon Web Services) such as: EC2, Elastic * * Beanstalk, ECS, Auto Scaling, ELB, RDS, VPC, S3, Cloudfront, CloudWatch, IAM, SNS, SES, SQS, Route53, etc. * Other services I am working with: Cloudflare, Namecheap, Godaddy, Docker, TravisCI, Ansible, CodeCov * Source Code Management Systems I prefer: Gitlab, Github, Bitbucket * Automation: Chef, Puppet, Ansible

I have a Masters Degree in Planning Data Centers Infrastructure and certificates from all vendors - MS\IBM\Amazon (etc). Over 10 years in the Information technologies area. Chief Software Architect for cloud/hybrid migrations. All clients from enterprise-level and Fortune 500 list. Tech Stack: CI: Jenkins Chef Ansible Infra: Docker\k8s Vmware\ESXi\HyperV\KVM\OpenStack Clouds: Amazon Azure GC Windows Server (2008\ 2012 \2012 R2) Debian\Ubuntu\CentOS\RHEL LAMP Apache\Nginx\IIS MSSQL\MySQL\Aurora ElasticSearch Redis RabbitMQ Zabbix\Nagios All MS System Center products line Python\PowerShell\Bash\JS\PHP\ReactJS\ReactNative\C#\Anbular\Java\C++ Certified professional in troubleshooting and performance. Certified Security Engineer in Microsoft. If you want to implement a great solution with best practices,with uptime 24x7x365, with scalability, with high availability, improve your business values and revenue - I'm ready to help you Kindly Regards, Kirill Pokidov

Senior DevOps Engineer with over 20 years of professional experience spanning the evolution of web and cloud architecture. I bridge the gap between software development and IT operations by building secure, highly scalable, and automated infrastructure. While my deep background as a Full-Stack Developer enables me to perfectly understand application architecture and write maintainable code for enterprise projects, my core focus is on cloud-native solutions, Infrastructure as Code (IaC), and advanced container orchestration. I specialize in designing seamless CI/CD workflows, securing cloud environments, and continuously optimizing server performance to reduce delivery times and operational costs. DevOps & Cloud Expertise: - Cloud Platforms: AWS (EC2, Lambda, S3, RDS, KMS, Route 53, CloudFormation), Microsoft Azure - Containers & Orchestration: Kubernetes (including K3S and Helm configurations), Docker - CI/CD & Automation: GitLab CI/CD, Jenkins, GitHub Actions, Bitbucket Pipelines, AWS CodePipeline, Ansible, Infrastructure as Code (IaC) - System Administration: Expert Linux server management, QEMU/virtualization, server hardening, shell scripting (Bash, Python) - Security & Monitoring: AWS Key Management Service (KMS) for secure data/tokenization, CloudWatch, CloudTrail, strict access controls - Performance & Cost: Cloud cost compression (AWS/Azure), database indexing, caching strategies, uptime monitoring Development Stack (Cross-Functional Advantage): - Back End: Node.js, PHP (Laravel, CodeIgniter, Zend), Python - Front End: React.js, Next.js, JavaScript, TypeScript, Tailwind, Material UI - Databases: PostgreSQL, MySQL, MongoDB, Amazon Aurora, SQL Server - APIs & Architecture: RESTful, GraphQL, third-party, and decentralized application integrations

DevOps Engineer with 5 years of experience. Reputation and trust come first, dedicated to building long-term partnerships. Are you struggling with infrastructure costs, deployment issues, system downtime, or security risks? I'll help you overcome these challenges. About Me: - Trusted by 30+ startups & enterprises - AWS Certified Solutions Architect - Associate (SAA) - Top Rated on Upwork with 100% Job Success Score What You Can Expect: - I don’t just set up infrastructure, I build systems designed for long-term success - I prioritize secure and sustainable approaches rather than taking shortcuts - I communicate effectively with both technical and non-technical clients - I respond quickly during incidents and stay involved until everything is fully resolved Whether you need a fresh setup or want to improve your existing systems, I'm always ready to deliver reliable solutions that meet your needs. For Infrastructure: - Architect security, resilience, and cost efficiency cloud infrastructure - Developed Infrastructure as Code using Terraform combined with automation tools - Set up monitoring, logging, and alerting systems for full visibility For Deployment: - Deploy applications to Docker, Kubernetes, or traditional Linux servers - Implement CI/CD pipelines with automated testing and security validation - Migrate applications across cloud and VPS/hosting environments without data loss - Refactor and deploy AI-generated applications to production-ready environments For Ongoing Operations: - Troubleshoot and resolve both infrastructure and application issues - Continuously monitor system health, responding to incidents within minutes - Provide long-term server maintenance, including security updates and system patching My Tech Stack: - Languages: JavaScript, TypeScript, Python, PHP, Java - Scripting: Bash, PowerShell, Python - Web Servers: Apache, Nginx, IIS - Databases: MySQL, PostgreSQL, MongoDB - Cloud & Infrastructure: AWS, GCP, VPS/Hosting - Infrastructure as Code (IaC): Terraform, Terragrunt, Ansible - Containers & Orchestration: Docker, Kubernetes, Helm - CI/CD & GitOps: GitHub Actions, GitLab CI/CD, Jenkins, Argo CD - Monitoring & Observability: Prometheus, Grafana, Datadog, Zabbix. Thank you for making it all the way down here. I'd be glad to be part of your project. Feel free to reach out anytime.