Top Rated Plus on Upwork | $200K+ Earned | 10,900+ Hours I help ecommerce and SaaS businesses streamline customer support, fix operational bottlenecks, and build AI-powered workflows that scale. My experience spans fintech, crypto, technical support, SaaS, and DTC ecommerce, including order fulfillment, returns, refunds, customer service, and multi-market support. I work daily with tools including Shopify, Zendesk, Intercom, Help Scout, Gorgias, Stripe, Slack, Notion, Airtable, and HubSpot. I'm also expanding into AI automation and AI SEO/LLM optimization, helping businesses automate repetitive processes, improve efficiency, and increase their visibility across ChatGPT, Claude, Gemini, and Perplexity. I also work with emerging AI development and automation tools, including MCP (Model Context Protocol), Claude Code, AI agents, LLM integrations, and AI-powered workflows, helping connect business systems and build more capable automation. Languages: English, Italian, Polish, and working Spanish. I've supported customers and businesses across the US, Europe, and international markets, with a focus on clear communication, fast execution, and reliable long-term support. If you need someone who can understand the problem, improve the process, and execute without constant hand-holding, I'm ready to help.

Hi Guest, First of all, thanks for visiting our profile. I am doing freelancing since 2010 and my expertise on complete VoIP solution including Freeswitch, Asterisk, PJSip, Opensips and Kamailio. I just recently launched a company which is not offering only VoIP solution but Zeus in Web Development(PHP, WordPress etc), Mobile App Development(Android & iOS). We are a team of members having extensive knowledge of all the services we are offering. We have successfully completed many projects delivered competent results with 100% accuracy with lifetime free support. To keep in mind 100% availability, Our dedicated manager is always online to make sure our client will face no more difficult to ask any query at any time. Let me mentioned the technologies which are our core strength listed below: - Development of Linphone Mobile VoIP Diallers - Development of PJSIP Mobile VoIP Diallers - Installation, development, customization, and maintenance of Asterisk,FreeSwitch Switch,Kamalio and OpenSIPs Servers - Android app development - iOS app development - Flutter Cross Platform App Development - Electron App Development - Web application development - ReactJS and ReactNative development for web and mobile applications - Testing and bug fixing for existing applications Consulting for ongoing projects Project consulting for Android, iOS, ReactJS, Asterisk, FreeSwitch, OpenSIPs, Kamailio, ASTPP, RTPengine, MediaProxy, RTPproxy, FreePBX, and A2Billing Expertise in developing Flutter WebRTC applications Expertise in developing ReactNative WebRTC applications Our price is very reasonable which allows us to work with us. Please share your requirement today only with us to check our capabilities to take your experience on the next level. To name a few tools & technologies that I have worked on: • High-level languages: C++, Objective C, Java, Python, PHP • IDEs: Xcode, Android Studio, Eclipse • Version Control & CI: SVN, Git, Perforce, Bitbucket, Jenkins • DBMS: MS SQL, MySQL, Oracle, PostgreSQL, MongoDB • Frameworks: Django, Zend, Magento, Django REST • Management tools: VersionOne, Jira, Trac, MS Project, MS Visio, XMind, Bugzilla, Balsamiq • Amazon Web Services (AWS) - EC2, S3, SQS, SNS, RDS, CloudTrail, Cloudfront

I’m a Systems Engineer with 10+ years of experience specializing in VoIP, Linux infrastructure, and enterprise call center solutions. I help businesses build, optimize, and troubleshoot high-performance dialing systems, especially VICIdial and Asterisk environments. If you're dealing with low contact rates, “Spam Likely” issues, or unstable VoIP systems, I can help you fix and improve them. I’ve supported mission-critical systems for global organizations, including the New York Stock Exchange, where reliability, uptime, and fast incident response are critical. What I Can Help You With - VICIdial / Asterisk setup, troubleshooting, and optimization - Outbound dialing improvement (increase contact rates / call rates) - Fix “Spam Likely / Scam Likely” call issues - DID rotation, CNAM, STIR/SHAKEN compliance - VoIP infrastructure design and deployment - SIP trunk configuration and carrier troubleshooting - Linux server administration (CentOS, Ubuntu, Debian, OpenSuse) - L2/L3 support and root cause analysis - System monitoring, uptime improvement, and performance tuning - Cloud deployments (AWS, DigitalOcean, Vultr) - Key Achievements - Deployed 100+ VICIdial/Asterisk systems globally - Improved dialing performance and answer rates for multiple call centers - Reduced call blocking and spam tagging through reputation management strategies - Maintained high uptime for production VoIP environments - Supported enterprise-grade infrastructure and financial systems Professional Experience Technical Support Specialist (VoIP & Systems) Augutech (Remote) | 2022 – 2026 - Led VoIP support and outbound dialing optimization - Reduced spam tagging and improved call deliverability - Performed deep L2/L3 troubleshooting and root cause analysis Systems Engineer / Administrator uBind (Remote) | 2019 – 2021 - Managed cloud and on-prem infrastructure - Automated deployments and monitoring systems - Improved system reliability and recovery processes Freelance VoIP & Systems Engineer 2010 – 2019 - Built and deployed call center systems worldwide - Specialized in VICIdial optimization and infrastructure design Skills - VICIdial, Asterisk, FreePBX, FusionPBX - Linux System Administration (RHEL, CentOS, Ubuntu, OpenSuse) - Hypervisor: VMware ESXi , Proxmox , Hyper-V - VoIP, SIP, RTP, IVR, Call Routing - Cloud (AWS, Azure, DigitalOcean, Vultr) - Bash, Python, Perl, PHP - MySQL, MariaDB - Network & Infrastructure Troubleshooting Why Clients Hire Me - I don’t just fix issues, I improve performance - Strong focus on real business outcomes (contact rate, uptime, reliability) - Deep hands-on experience with real-world call center problems - Fast, reliable, and easy to work with remotely

Your email isn't delivering, your DNS is misconfigured, your VPS is failing, your Microsoft 365 or Google Workspace environment needs fixing, or your website is suddenly offline. I troubleshoot the underlying infrastructure problem, not just the symptom. I'm an Email, Hosting & Cloud specialist with 8+ years of experience across Microsoft 365, Google Workspace, AWS, Azure, Linux/VPS, cPanel, DNS, SMTP, WordPress, and production web infrastructure. I help businesses fix broken email systems, migrate domains and hosting, secure cloud environments, recover compromised websites, and keep business-critical services running reliably. 𝗪𝗛𝗔𝗧 𝗜 𝗛𝗘𝗟𝗣 𝗪𝗜𝗧𝗛 𝗠𝗜𝗖𝗥𝗢𝗦𝗢𝗙𝗧 𝟯𝟲𝟱 & 𝗘𝗫𝗖𝗛𝗔𝗡𝗚𝗘 𝗢𝗡𝗟𝗜𝗡𝗘 • Microsoft 365 setup, administration and troubleshooting • Exchange Online and mailbox configuration • SPF, DKIM, DMARC and SMTP • Microsoft Entra ID and MFA • Email authentication and outbound mail issues • Microsoft 365 migrations and restructuring • Defender anti-spam configuration 𝗚𝗢𝗢𝗚𝗟𝗘 𝗪𝗢𝗥𝗞𝗦𝗣𝗔𝗖𝗘 & 𝗘𝗠𝗔𝗜𝗟 • Google Workspace setup and administration • Gmail migrations from cPanel and hosting providers • Domain and account restructuring • SPF, DKIM, DMARC and MX configuration • Gmail deliverability and spam troubleshooting • SMTP, IMAP and POP3 troubleshooting 𝗘𝗠𝗔𝗜𝗟 𝗗𝗘𝗟𝗜𝗩𝗘𝗥𝗔𝗕𝗜𝗟𝗜𝗧𝗬 • Emails landing in spam • SMTP authentication failures • Domain/IP reputation issues • SendGrid, Mailgun, Brevo/Sendinblue and Amazon SES • Transactional and application email • Mautic + Amazon SES • Mail server and DNS diagnosis 𝗗𝗡𝗦, 𝗛𝗢𝗦𝗧𝗜𝗡𝗚 & 𝗩𝗣𝗦 • GoDaddy, Namecheap, Cloudflare and registrar migrations • DNS zone configuration and troubleshooting • MX, TXT, A, CNAME and nameserver changes • cPanel / WHM administration • VPS setup, migration and troubleshooting • Apache, NGINX, PHP-FPM and MySQL/MariaDB • SSL/HTTPS issues • Hosting migrations and website downtime 𝗔𝗪𝗦, 𝗔𝗭𝗨𝗥𝗘 & 𝗖𝗟𝗢𝗨𝗗 • AWS infrastructure and Linux administration • Amazon RDS / MySQL • AWS RDS upgrades and migrations • Production database changes with minimal disruption • Cloud deployment and migration • Azure infrastructure • Backups, monitoring and security hardening 𝗪𝗢𝗥𝗗𝗣𝗥𝗘𝗦𝗦 & 𝗪𝗘𝗕 𝗜𝗡𝗙𝗥𝗔𝗦𝗧𝗥𝗨𝗖𝗧𝗨𝗥𝗘 • WordPress troubleshooting and recovery • Malware and compromised-site cleanup • Plugin/theme conflicts and PHP errors • Cloudflare 522/timeouts • WordPress email delivery issues • Site and hosting migrations 𝗥𝗘𝗖𝗘𝗡𝗧 𝗖𝗟𝗜𝗘𝗡𝗧 𝗪𝗢𝗥𝗞 𝗕𝗟𝗨𝗘𝗛𝗢𝗦𝗧 → 𝗚𝗢𝗢𝗚𝗟𝗘 𝗪𝗢𝗥𝗞𝗦𝗣𝗔𝗖𝗘 — 𝟭𝟯𝟯+ 𝗛𝗢𝗨𝗥𝗦 Migrated a business's web-based email from BlueHost to Google Workspace while preserving mail functionality. The engagement expanded into ongoing hosting, malware remediation and WordPress infrastructure work. 𝗚𝗢𝗢𝗚𝗟𝗘 𝗪𝗢𝗥𝗞𝗦𝗣𝗔𝗖𝗘 𝗗𝗘𝗟𝗜𝗩𝗘𝗥𝗔𝗕𝗜𝗟𝗜𝗧𝗬 Diagnosed business emails landing in spam, identified authentication issues and corrected SPF, DKIM and DMARC. The client confirmed I quickly identified the root cause and resolved the issue successfully. 𝗔𝗪𝗦 𝗥𝗗𝗦 / 𝗠𝗬𝗦𝗤𝗟 Currently handling AWS RDS/MySQL upgrade and migration work, including production database changes where application availability and minimal disruption are critical. 𝗔𝟮 𝗛𝗢𝗦𝗧𝗜𝗡𝗚 + 𝗚𝗠𝗔𝗜𝗟 Resolved persistent hosting-to-Gmail email failures by auditing MX records, SMTP authentication, POP3/IMAP and mail infrastructure. Permanent resolution after a 22-hour engagement. 𝗠𝗔𝗨𝗧𝗜𝗖 + 𝗔𝗠𝗔𝗭𝗢𝗡 𝗦𝗘𝗦 Configuring Mautic and Amazon SES for reliable email campaign delivery and authenticated mail sending. 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 • Root-cause troubleshooting instead of temporary fixes • Comfortable across the full stack: domain → DNS → email → server → cloud → application • Zero/minimal-downtime approach to migrations and infrastructure changes • Clear communication without unnecessary technical jargon • Comfortable with urgent production issues and ongoing infrastructure support • 100% Job Success Score | Top Rated If you're dealing with email delivery problems, Microsoft 365, Google Workspace, AWS/Azure infrastructure, DNS, cPanel/VPS, hosting migrations, or a production website/server issue, send me the details. I'll identify what is actually breaking and give you a practical path to fix it.

Full-Stack WordPress & Shopify Developer | 16 Years | Figma/AI to WP | Speed & Custom Themes | Malware removal I turn Figma designs and AI mockups into fast, custom WordPress + Shopify stores. No page builder bloat. Just clean code, speed optimization, and themes built to convert. With 16 years and 600+ websites delivered, I help businesses launch high-converting stores, rescue slow/broken sites, and build custom plugins and Liquid themes that scale. 🛒 Shopify & Shopify Plus Solutions Custom Theme Development: Custom Liquid coding, Shopify 2.0 OS, bespoke sections from Figma Store Migrations: Seamless WooCommerce, Magento, Wix → Shopify migrations App Integrations: Klaviyo, Recharge, Yotpo, GA4, Meta Pixel Optimization: CRO, Mobile-first, Core Web Vitals & Speed ⚙️ WordPress & WooCommerce Development Custom Development: Custom themes, plugins, CPTs, APIs. No Elementor bloat unless you need it E-commerce: WooCommerce, B2B/Wholesale, Memberships, Stripe, Authorize.net Performance: Speed optimization, malware cleanup, migrations, maintenance LMS: LearnDash, LearnPress setups 🛠️ Technical Stack Liquid, PHP, JavaScript, HTML5, CSS3 | Shopify 2.0, WordPress, WooCommerce, Webflow Analytics: GA4, GTM, Meta Pixel, Klaviyo, Mailchimp 💡 Why Work With Me? Top Rated on Upwork | $200K+ earned | 98% Job Success | 600+ projects Clear communication + senior-level code that doesn't break 6 months later Check my video above to see how I work. Ready to launch, redesign, or fix your site? Message me or invite me to your job.

20+ years expereince in VoIP/SMS setups using IVRs, asterisk , Freeswitch, MS Teams and Opensips/Kamailio and VoIP | Freeswitch | Opensips | Contact Centers| Conversational AI| Amazon Connect|MS Teams

[ 20 Years of Game Security And Reverse Engineering Experience ] -Reverse analysis of Windows Game -Protocol reverse engineering and penetration testing -Custom software development -Software feature expansion and patching -Software data/function extraction -Windows driver development Reverse Engineering and Low-Level Skills: *Proficient in IDA Pro, WinDbg, xdbg64/32, Ghidra *Windows kernel analysis and memory patching *Game data analysis, protocol vulnerability/penetration testing *Game data extraction *Game module function invocation *Software feature expansion/patching *Ring0 level memory read/write and memory page protection *Ring0 process hiding *Ring0 shellcode injection *Ring3 level DLL injection *PTE Hide *Unattach mem read/write *Traceless PE loading and execution *APC DLL injection Android Reverse Engineering and Low-Level Skills: *APATCH *Dobby SO level hook. *LSPOSED hook. *Firda Script *Smlai code modify. *ARM asm *APK file merge *APP patching Red Team Attacker Testing: *Game Anti-Cheat [ida/xdbg/driver/asm/c++/vmware/vt] *Game network protocol logic vulnerability testing [C/C++/ASM/DLL Injection] *Gaming network protocol penetration testing [C/C++/ASM/DLL Injection] *Developed proprietary tools using [Golang/Python] *DLL injection interface testing using [C/C++/ASM/DLL Injection] *XRay [web] *BurpSuite [web] Development Skills: *Driver development using [C/Assembly] *Android development with [Java/Flutter] *Server/backend system development in [PHP/Golang] *Application development in [C/C++/C#/Golang/Lua/Rust] *Auxiliary scripting in [JavaScript/VBS] *Frontend web development with [Vue2/3/TypeScript/CSS] Databases: *MySQL, *SQLite *MariaDB *Access DB *SQLServer ------------------------*Full Stack Development*------------------------------ [ Over 10 years of experience in Windows reverse engineering and development ] - Windows desktop applications - Windows DLL development - Windows DLL/kernel injection - Windows kernel driver development (32/64-bit) - Windows kernel debugging - Cross-platform desktop application development using Tauri and Flutter - Static analysis and reverse engineering of applications/games - Network protocol analysis and penetration testing - Basic experience with Cocos, Unity, and UE5 game development - Sockets development * Programming Languages: C/C++, Rust, ASM (32/64-bit), Golang, C#, Lua, JavaScript, TypeScript, Python, Java,VB6 * Frameworks & Libraries: WTL, MFC, WPF, WDK, WinSDK, DirectX, DuiLib * Engines: Cocos2dx, LUAEngine, JsEngine, Unity, UE5 * Reverse Engineering Tools: IDA Pro, WinDbg, OllyDbg, WinHex, 010 Editor [ Over 3 years of experience in Android reverse engineering and development ] - Native Java App development - NDK SO development - Dobby native hook - Xposed/Lsposed module development - Static analysis and dynamic debugging - APK merging tool development - H5 game development * Programming Languages: C/C++, Java, JavaScript * Reverse Engineering Tools: Frida, IDA Pro, Ghidra, Jadx, JEB, ApkTool, 010 Editor * Frameworks & Libraries: Xposed/Lsposed, Egreat, ReactNative, ReactJS, NDK [ Over 3 years of web development experience ] Frontend Development: - Frameworks: ReactJS, Vue - Languages: TypeScript, CSS, HTML, JavaScript, Rust (WebAssembly) - Libraries: MUI/JOY UI, Tailwind, ElementUI, Layui Backend Development: - Frameworks: Actix-Web, GoFrame2, Spring Boot - Languages: Lua, Python, PHP, Golang, Rust, Java - Databases: PostgreSQL, MySQL/MariaDB

A KNX Systems Engineer with 5 years of hands-on experience in residential and commercial smart building automation. I turn complex control logic into clean, buildable, installer-ready site designs. What I Specialize In: ✅ KNX & Open-Standard Systems Design ✅ Home Automation & Core Ecosystem Architecture ✅ Smart Building Controls (Lighting, HVAC, Security, AV Integration) ✅ AutoCAD Electrical Shop Drawings & System Schematics ✅ Smart Home Electrical Plan Development & Material Take-Offs ✅ Lighting Automation (DALI configurations, constant light regulation) ✅ ETS Programming & Group Address Structuring Services I Offer, Start to Finish: 💡 Concept & Topology: Setting up reliable KNX bus communication for stable, scalable systems. 📐 Smart Home Electrical Plans: Multi-layer floor plans and riser diagrams in AutoCAD Electrical. 📋 Technical Documentation: Accurate KNX BOQ and material take-offs to avoid cost overruns. 🧰 Panel & Cabinet Layouts: DIN-rail component mapping and enclosure wiring diagrams. ⚙️ Programming & Logic: Clean, scalable group addresses for lighting, shading, and climate control. 🛠️ Remote Support & Commissioning: Testing and go-live support via secure IP tunneling. Ecosystems I Work With: 🏆 KNX-Certified Brands: Schneider, Hager, Jung, Ekinex, Zennio 🏆 AutoCAD Electrical & Smart Home Design Frameworks Reliable, Standards-Compliant Delivery: I design every KNX system and electrical plan to be maintainable, installer-friendly, and compliant with international building standards. If you need a KNX partner who can design a smart home automation system that's both intelligent and easy to install, let's connect and discuss your project!

Cloud downtime, failed AVD host pools, and manual IT tasks cost your team money and hours of lost productivity. I fix all three bringing 10+ years of enterprise IT experience to keep your cloud lean, secure, and fully automated. Whether you need a one time emergency fix for Azure Virtual Desktop (AVD), an automated Python script, or full Microsoft 365 cloud management, I deliver fast, zero downtime results. WHAT I DO & THE RESULTS YOU GET: Azure & Virtual Desktop Infrastructure (AVD / VDI) • Fix host pool registration, session host errors, and RDP connectivity issues • Configure FSLogix profile containers & dynamic storage optimization • Deploy Windows 11 Enterprise Multi-Session and Azure Bastion Identity, Security & Entra ID (Azure AD) • Active Directory (ADDS) to Microsoft Entra ID (Azure AD) hybrid setups • Implement Conditional Access, Multi Factor Authentication (MFA), and Single Sign-On (SSO) • Group Policy (GPO) optimization, DNS/DHCP configuration, and network security Microsoft 365 & IT Systems Administration • Seamless tenant-to-tenant and email migrations (Exchange Online, Google Workspace) • Microsoft Intune (MDM/MAM) endpoint management and compliance policies • End-to-end IT support, ticketing (Freshdesk/Zendesk), and remote RMM support Python, PowerShell & Cloud Automation • Custom Python scripts and bots for API integration, web scraping, and task automation • Advanced PowerShell and Bash scripting to automate routine IT and Azure tasks • Infrastructure as Code (IaC) with Terraform, Ansible, and CI/CD pipelines WHY CLIENTS WORK WITH ME: 10+ Years Experience: Enterprise grade execution without the enterprise agency price tag. Fast Root-Cause Analysis: Rapid diagnosis of cloud deployment bugs, DNS errors, and network bottlenecks. Clear Documentation: I don't just fix it and leave I document everything so your team isn't left guessing. Ready to resolve your IT/Azure challenges or automate your cloud workflows? Click "Invite to Job" or "Message" to connect today!

About Me I am an experienced professional with over 4 years of expertise in web hosting, email marketing, cloud computing, and DevOps. I am proficient in managing diverse cloud platforms like AWS, Azure, and GCP. Additionally, I have in-depth knowledge of containerization and automation tools, including Docker, Ansible, Terraform, and Jenkins. I specialize in web hosting for platforms like WordPress, Core PHP, Laravel, Magento, Node.js, and React.js, along with comprehensive expertise in server management and email marketing solutions. I have a proven track record in managing diverse hosting environments, configuring email marketing tools, and optimizing cloud infrastructure. Additionally, I lead a dedicated team that excels in delivering web development and SEO/digital marketing solutions tailored to client needs. Core Expertise Web Hosting and Server Management: Proficient in managing all server types: Dedicated, VPS, Shared, Cloud Servers. Skilled in control panel management: WHM/cPanel, Plesk, CWP, Virtualmin, Hestia, etc. Server Setup, Monitoring, and Backup Management. Website Migration and SSL Installation. Email Marketing: Extensive experience with SMTP servers: Postfix, PowerMTA, Exim, G Suite, Office 365, and third-party providers like SendGrid, SendinBlue, Elastic Email, AWS SES, Zimbra, etc. Expertise in email campaign management tools: Mailwizz, Interspire, Mautic, Acelle, Mumara, etc. Cloud and DevOps: Skilled in deploying and managing cloud solutions on AWS, Azure, and GCP. Proficiency in Docker, Ansible, Terraform, and Jenkins for automation and orchestration. Services Offered: Server-Related Tasks: Web Hosting Email Marketing Cloud Services DevOps Linux/Windows Server Management Web Development Services: WordPress Laravel PHP Node.js Magento SEO and Digital Marketing Services: Search Engine Optimization (SEO) Social Media Optimization (SMO) Content Creation and Marketing Blogging and Revenue Optimization Private Blog Network (PBN) Building and Link Networks Search Engine Algorithm Analysis Lead Generation and Sales Funnels Email Marketing, Outreach, and Networking CMS-Based Web Design PPC, CPM, CPL, CPI, CPA Advertising Tools Online Display Advertising Online Reputation Management (ORM) Affiliate Marketing Web Data Analytics Video and YouTube Marketing Why Choose Us? I lead a team of skilled professionals capable of delivering end-to-end solutions for web development, server management, email marketing, and digital marketing. Together, we ensure high-quality services that cater to your business needs and drive growth.