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vTiger Developers
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Hello, We are experts with 9+ years experience on: VTIGER CRM: +Install and config system. +Create custom module. +Modify existing module and code. +Modify Customer portal: add new module, edit existing module... +Design skin. .. Trust me for your project and you will see the value of difference! Thanks for your time, Best regards, Cuong Nguyen

I have experience in deploying and maintaining of: ✅ Cloud Computing Platforms: AWS Amazon Web Services,Microsoft AZURE, Google Cloud (GCP). ✅ Server Operating Systems: Windows Server 2003-to-2012R2, Windows Server 2016 Amazon Linux, Debian, RHEL, CentOS, Ubuntu. ✅ Web servers and servlets containers: IIS, APACHE, NGINX, DOCKER ✅ Mail servers: POSTFIX, EXIM, MS Exchange 2000-to-2013, MS Exchange 2016, QMAIL,Zimbra,Mail Enable, SmarterMail, hMail ✅ Database servers: MySQL, MS SQL ✅ Virtualization: MS Hyper-V, VMware Server(ESXI), VirtualBox. ✅ Directory service: Active Directory, OpenLDAP. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik,PFSense Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: PLESK,cPanel,Website Panel

Mandlaus Group Pvt. Ltd. is a Top-Rated and Preferred Freelancer.com agency with 22+ years of experience on the platform. We build high-quality, production-ready software that is reliable, scalable, and secure. We deliver great work that creates real value for our clients. 🏆 1500+ projects completed ⭐️ All 5-star reviews ⏰ 100% on-time 💰 100% on-budget ✅ 100% completion rate 🤝 30% re-hire rate 🎂 On Freelancer since 2004. We are proud Microsoft Partner and IBM Partner, delivering enterprise-grade solutions that meet global standards in performance, security, and compliance. We can bring your vision to reality by transforming your ideas into powerful, scalable, and high-performance digital solutions. Our focus is to deliver exceptional quality with clear communication, disciplined execution, and strict adherence to timelines and budgets, so you gain not just software, but a reliable technology foundation you can confidently grow on. ➡️ Our services: ✅ Enterprise Software Development ✅ Web Application Development ✅ Mobile App Development (iOS, Android, Cross-Platform) ✅ Legacy System Modernization ✅ API Development & Integration ✅ System & Third-Party Integration ✅ Cloud Application Development & Migration ✅ AI Integration ✅ Data Analytics & Business Intelligence ✅ Application Maintenance & Support ✅ QA, Testing & Performance Engineering ✅ DevOps & CI/CD ✅ IT Consulting & Solution Architecture ➡️ Deliverables & Outputs: ✅ Enterprise SaaS Platforms ✅ Custom Web Portals & Dashboards ✅ Admin Panels & Backend Systems ✅ Mobile Applications (Native & Hybrid) ✅ RESTful & GraphQL APIs ✅ API Documentation & Technical Documentation ✅ Cloud-Native Applications ✅ AI-Powered Automations ✅ Data Pipelines & BI Dashboards ✅ System Architecture Documentation ✅ CI/CD Pipelines & Automated Deployment Setups ✅ Refactored & Modernized Legacy Systems ✅ Ongoing Optimization & Support ➡️ Technical Expertise: ✅ Programming Languages: PHP, JavaScript, TypeScript, Python, Java, C#, Golang, Ruby ✅ Frontend Development: HTML, CSS, JavaScript, React.js, Next.js, Vue.js, Angular, Svelte, React Router V7, Tailwind CSS, Bootstrap. ✅ Backend Development: Laravel, Symfony, Core PHP, Express, Nest, Django, Flask, Spring, Spring Boot, ASP.NET Core, Echo, Gin, Fiber, Ruby on Rails, Firebase ✅ Mobile App Development: React Native ✅ Cloud Platforms: AWS, GCP, Azure, IBM Cloud, Vercel, Digital Ocean, Heroku, Netlify ✅ Databases: PostgreSQL, MySQL, MariaDB, SQL Server, MongoDB, Apache Cassandra, Firebase Firestore ✅ DevOps: Docker, Github Actions ✅ Version Control: Git, GitHub, GitLab ✅ Payment Gateways: Stripe, Paypal, Razorpay ➡️ Communication & Collaboration: ✅ We communicate fluently in English and Hindi, ensuring clarity in technical documentation, business discussions, and stakeholder reporting. If you need a reliable, process-driven technology partner with a flawless execution record, Mandlaus Group Pvt. Ltd. is ready to build, optimize and scale your next solution.

With 15+ years of experience in Web Hosting, Cloud Infrastructure, Email Marketing Systems, DevOps & Linux Server Administration, I help businesses run high-performance, secure and scalable environments. I’ve worked with all major cloud platforms including AWS, Google Cloud, Digital Ocean, and have successfully delivered 850+ projects with excellent client satisfaction. 🌐 Core Services 🔸 Server & Cloud Management • Server Setup & Optimization (Linux, Ubuntu, CentOS, Alma Linux) • WHM/cPanel, Plesk, Webmin, CyberPanel • VPS / Dedicated / Cloud Server Management • Security Hardening & Firewall Setup (CSF, UFW) • HA-Proxy Load Balancing, Auto-Scaling • NGINX, Apache, PHP-FPM tuning • Backup, Disaster Recovery & Monitoring • SSL Installation, Fixing SSL/CURL Issues ________________________________________ 🔸 DevOps & Automation • Docker, Kubernetes, Ansible, Jenkins • CI/CD Pipelines • Cloud Infrastructure Automation • Git, GitHub Actions • Infrastructure Scaling & Optimization ________________________________________ 🔸 Video Streaming & Real-Time Platforms • BigBlueButton (BBB) Setup & Customization • Jitsi Meet • Red5, Wowza • Live Streaming Server setup (RTMP, HLS) ________________________________________ 🔸 Email Marketing Infrastructure • SMTP (Postfix, Send mail, PowerMTA) • DKIM, DMARC, SPF, rDNS Setup • MailWizz, Interspire, Acelle, Sendy, Mumara • Email Warmup, Inbox Optimization • SES, SendGrid, Mailgun Integration • Email Deliverability Fixes ________________________________________ 🔸 Windows & Office Services • Office 365 Setup & Administration • Windows Server Management • SSL Troubleshooting ________________________________________ 🔎 Digital Marketing Experience With 9+ years in Digital Marketing & SEO, I help clients increase online visibility using: • SEO (On-page, Technical, Off-page) • Google Ads Campaign Optimization • Website Audit & Traffic Growth Strategies Weekly and monthly performance reports are provided for full transparency.

I have 10 + year exp. in Php , joomla , MySQL, word-press , OsCommerce , cake php, Prestashop, Smarty Php , Javascript , CSS, HTML5, jQuery , Angular JS , Android & IOS i do in innovative way that make our application stable in fast changing client requirements. i help organization from planning stage to implementation stage thus our services make backbone of their success. We are Providing best service to our client after development and deployment.

We offers IT solutions and services to empower businesses while talking leverage of leading innovation and delivering outstanding digital solutions. We have experience of 15 years in the IT industry and leading Mobile and Web Development for more than 8+ years. We have developed more then of 1000+ Projects. Specialties: - Responsive Websites (Laravel, Codeigniter, CakePHP and Open Source Packages like WordPress and Magento. ) - iOS/Android / iPad applications - Expert in Taxi Booking type apps. - Cross-platform apps (PhoneGap) - API Integration - E-Com , ERP & CRM, React - Payment Gateway Integration For more details, please contact us via Freelancer chat. Thank you

We are among the top 1% providers out of 26+ million providers/companies/freelancers around the world. Mobile Apps, Web & Server side Experts Achievements: The following are the achievement when vworker site has been acquired by Freelancer.com. On Vworker, we were: #1 for Mobile Apps [iOS, Android, Windows and Blackberry Apps development] #1 for Web Programming #1 for PHP #1 for Javascript #1 for Other(Web programming) #2 for Objective C and more Areas Of Expertise: Programming Languages, Frameworks, DBMS/RDBNS - ASP / ASP.NET - C# - C / C++ / Visual C++ - Java - Perl - PHP - Python - Visual Basic / VB.NET - Visual FoxPro - Enterprise JavaBeans - Hibernate - J2EE / Java EE - JMS - JSF - JSP / Servlet - JWSDK - Spring - Struts - Swing - SWT - WebWork - Xwork Databases - IBM DB2 - Microsoft SQL Server - MySQL - Postgres/SQL - Oracle - FireBirdSql Graphic Design - Web Design / Templates / Mockups - Logos - Image Manipulation / Retouching Web Technologies - AJAX - Blogs - CSS - HTML / DHTML - JavaScript - Web Services

🚀 Senior WordPress & Shopify Developer | 14+ Years Experience | Speed Optimization & Custom Solutions I help businesses build, fix, optimize, and scale high-performing websites that look professional, load fast, and convert better. With 14+ years of experience, I’ve successfully completed 500+ projects for startups, agencies, eCommerce brands, and business owners worldwide. 💼 My Expertise: ✔ WordPress Development & Bug Fixing ✔ Shopify Store Development & Customization ✔ Website Speed Optimization (Core Web Vitals & GTmetrix) ✔ WooCommerce & Shopify Product Setup ✔ API Integrations & Custom Features ✔ Responsive Website Design ✔ Malware Cleanup & Website Recovery ✔ Website Maintenance & Long-Term Support ⚡ Results I Deliver: ✔ Improved website load speed from 5+ seconds to under 2 seconds ✔ Fixed critical issues on live business websites with minimal downtime ✔ Increased website performance, usability, and customer experience ✔ Built clean, mobile-friendly, SEO-optimized websites 💡 Why Clients Work With Me: ✔ Fast turnaround & quick issue resolution ✔ 14+ years of real-world experience ✔ Clear communication & reliable support ✔ Attention to detail and problem-solving mindset ✔ Available for both one-time projects and long-term collaboration 🛠 Tech Stack: WordPress, Shopify, WooCommerce, Elementor, Divi, PHP, JavaScript, HTML, CSS, API Integrations, Speed Optimization, SEO Basics 📩 Ready to improve your website performance or fix an urgent issue? Let’s discuss your project — I’m available to start immediately.