Hire the best Firewall Developers
in the United States

Clients rate our Firewall developers
Rating is 4.7 out of 5.
4.7/5
Based on 182 client reviews
Muhammad A.

Dallas, Texas

$25/hr
4.6
20 jobs
Full Stack Developer and Designer on Upwork 👍High Client Recommendations (please, check the badge on my profile). WordPress | Shopify | HTML/CSS | Laravel | PHP | Vue | React | NextJs | NuxtJs | NestJs | AngularJs | Branding | Animations | Custom Website Design I am a proficient senior full-stack developer with extensive experience of more than 9 years in both front-end as well as back-end development for web and mobile applications. Following are the technology stack expertise: - ReactJS, VueJS, AngularJS, NuxtJS, NextJS, NodeJS, Python, Django, PHP (Laravel) - Microservices, REST API, MEAN stack, MERN stack - API Integration - Algolia, Plaid, Stripe, Stripe Connect, SendInBlue, Twilio, Agora.io, Map Integration - ESign - HelloSign & DocuSign - Databases - MySQL, PostgreSQL, MSSQL, MongoDB, Redis - Analytics - Google Analytics, UXCam, Mixpanel - PHP frameworks like CodeIgniter, Laravel, CakePHP, Zend, Yii) - RESTful API's development and integration - UI/UX - Figma, Adobe XD Furthermore, I have a profound understanding of Agile methodology along with wide experience in business requirements, analysis, and software design. Moreover, Strong attention to detail and ability to make effective decisions independently is my forte. I prefer to follow an Agile development approach for our projects. I am fluent in both - written and verbal English. ⭐️⭐️⭐️⭐️⭐️WordPress Expert | Custom WordPress | Elementor/Divi | Woo Commerce | Bug Fixing WordPress Developer on UpWork, specializing in the building of business, blogs, and WooCommerce WordPress Websites, WordPress Speed Optimization. ☑ Landing Pages ☑ WordPress Website Design from scratch ☑ WordPress Website development ☑ WordPress Website redesign ☑ Theme setup and Design Customization ☑ Learning Management Systems ☑ WordPress Website speedup ☑ E-commerce Website Design/Shopping Carts ☑ PSD to WordPress ☑ HTML to WordPress ☑ Your Design to WordPress ☑ Custom WordPress theme development ☑ Custom WordPress plugin development ☑ Membership website development ☑ Real state/ Property listing website development ☑ WordPress Errors fixing ☑ WordPress WooCommerce Store Development ☑ WordPress Website Migration/ Website Cloning ☑ Or Any type of WordPress Website according to your requirements
  • Firewall
  • Network Administration
  • Information Security
  • System Administration
  • Windows Administration
  • Linux System Administration
  • VMware vSphere
  • VMWare
  • Amazon Web Services
  • Windows Server
  • Microsoft Active Directory
  • Microsoft Azure
  • VMware Administration
  • Cloudflare
  • Cloud Services
Tristan C.

Valrico, Florida

$125/hr
5.0
787 jobs
Hello! I'm Tristan Curtis, a Top Rated IT Professional / Sr. Software Engineer with a passion for helping people with their technical needs. Backed with a degree in Information and Network Technology, accompanied by multiple certifications, and strengthened by extensive hands-on experience, I am well-equipped to tackle virtually any challenge you throw my way! Understanding the need for prompt assistance, I strive to be available within a moments notice, day or night. I offer a wide array of services including, but not limited to Web Application Development ▪️ Backend: PHP, Laravel ▪️ Frontend: Vue.js, JavaScript, jQuery, HTML, CSS, Sass, Bootstrap ▪️ Databases: MySQL, SQL Server, MariaDB, PostgreSQL ▪️ Specializes in: architecting complex web applications from scratch based on a provided design Web Administration ▪️ Domain and DNS support ▪️ Troubleshooting issues with Nginx, Apache and WHM/cPanel ▪️ Fine-tuning PHP FPM for optimal scalability ▪️ Installing SSL certificates and addressing renewal issues with LetsEncrypt / Certbot ▪️ Migrating websites from one hosting company to another Network Administration ▪️ Proficient in managing networks powered by the following vendors: UniFi, pfSense, MikroTik, Cisco ▪️ Expertise in deploying and troubleshooting wireless connectivity ▪️ Strong knowledge of VPN connectivity for remote access and site-to-site connections ▪️ Experience developing custom splash pages / captive portals to authorize wireless connections Desktop Administration ▪️ Experience with the following operating systems: Windows, Mac OS, Ubuntu and various other Linux distros ▪️ Virtual desktop administration utilizing VMware Horizon Database Administration ▪️ Experience with: MySQL, MS SQL Server, MariaDB and PostgreSQL ▪️ Familiarity with: Google Cloud SQL and AWS RDS Virtual Infrastructure Administration ▪️ Proficient in VMware ESXI/VMware vCenter and Hyper-V Email Administration ▪️ Setting up SPF, DKIM and DMARC for enhanced email security ▪️ Troubleshooting email deliverability issues ▪️ Seamless migration of email from one platform to another ▪️ Well versed in Google Workspace and Office 365
  • Network Administration
  • System Administration
  • DNS
  • Ubiquiti
  • PHP
  • SSL
  • Laravel
  • MySQL
  • Domain Migration
  • Twilio API
  • Web Hosting
  • Email Deliverability
  • Data Migration
  • VMware Administration
Jim A.

Reading, Pennsylvania

$280/hr
4.8
16 jobs
As an MSP, Web Hosting Company (Aloye Computer Enterprises LLC), Microsoft Authorized Cloud Service Provider Partner, and Creator of a Complete Business Management Application for D365 CRM (ACE Service Tech App), I am uniquely positioned to provide you with comprehensive solutions and consulting for all your Technology needs. I am open 24/7 365. **ACE Business Management App for D365 CE available through Microsoft App Source by searching for ACE Business Management App Over 20 years of in-depth, hands on, experience in the information technology field. Over 20 years of in-depth, hands on, experience in managing all aspects of a small business including financials, credit, reporting, compliance, sales, marketing, support, research, and development. Specialties: * Technical Solution Design and Implementation * Business Process Modeling and Analysis * Enterprise Systems and Server Architecture * Business and Operations Management * Consulting & Project Management * Contract Negotiation * Multi-Vendor/Multi-Tier/Comprehensive Integrated Solutions Mr. Aloye has over 8 years of experience in Microsoft Dynamics 365/2011/2016 Development, SSRS Report Writing, and complete D365 End to End Solution Development. Mr. Aloye also owns the Copyright for the three complete illustrated works of literature listed below through his media arm, Aloye Media Enterprises LLC: * A Place for Me * Taken by the Wolf * Dinner With Lions and Lambs Mr. Aloye developed and owns the Aloye Geo-Processing Platform that powers the Geo capabilities used inside of Eternal Conquest - The Great War Video Game for iPhone, iPad, Android, Windows PC, and MacOS.
  • Microsoft SharePoint
  • Microsoft Dynamics CRM
  • Microsoft Active Directory
  • Microsoft IIS
  • Microsoft Power Automate
  • Microsoft Exchange Online
  • Google Cloud Platform
  • Azure App Service
  • WordPress
  • Virtual Machine
  • Microsoft Dynamics 365
  • Office 365
  • Google Workspace Administration
MAX M.

Miami Beach, Florida

$60/hr
5.0
21 jobs
# Email Deliverability & Web Hosting Expert | 20+ Years Linux Administration With over 20 years managing complex IT infrastructures, I specialize in email server administration and web hosting optimization for hosting providers, agencies, and enterprises worldwide. Based in Miami Beach, Florida, I deliver enterprise-grade solutions 100% remotely. --- ## 🎯 Core Expertise **Email Deliverability & Infrastructure** - SPF, DKIM, DMARC configuration and troubleshooting for maximum inbox placement - Google Workspace setup, migration, and management - Postfix, Exim, PowerDNS for high-volume sending environments - Deliverability diagnostics with MXToolbox, Google Postmaster Tools - Spam complaint reduction and sender reputation management **Web Hosting Administration** - cPanel/WHM certified (8+ years, 2017-2025) - CyberPanel and OpenLiteSpeed optimization - Multi-server infrastructure managing 500+ accounts - Zero-downtime migrations for websites and databases - Performance optimization (40-50% faster load times) - Apache, Nginx, LiteSpeed configuration **Linux Server Management** - 20+ years with Rocky Linux, Ubuntu, CentOS, Debian - MySQL/MariaDB optimization and replication - PHP version management (OPcache, PHP-FPM) - Proxmox VE virtualization and clustering - Bash/Python automation scripts - Automated backups and disaster recovery **Security & Hardening** - Server hardening and security best practices - Imunify360 and CSF Firewall implementation - SSL/TLS automation (Let's Encrypt, commercial CAs) - Malware removal and prevention - Security audits and compliance (PCI-DSS, GDPR) **DNS & Cloud Infrastructure** - DNS management and PowerDNS configuration - AWS, Azure, OVH, DigitalOcean deployment - Load balancing and high-availability setups - CDN integration and monitoring --- ## 💼 Proven Results ✅ Managed 500+ accounts with 99.9% uptime ✅ Reduced spam flags by 30% ✅ Cut server response times by 40% ✅ Decreased emergency tickets by 60% ✅ Zero-downtime migrations consistently delivered --- ## 🛠️ Technical Stack **Control Panels:** cPanel/WHM, CyberPanel, Plesk **Email:** Google Workspace, Postfix, Exim, PowerDNS **Web Servers:** Apache, Nginx, LiteSpeed **Linux:** Rocky Linux, Ubuntu, CentOS, Debian **Cloud:** AWS, Azure, OVH, DigitalOcean **Security:** Imunify360, CSF, fail2ban **Databases:** MySQL, MariaDB, PostgreSQL **Automation:** Bash, Python, Ansible **Languages:** English, Spanish, Portuguese, Italian --- ## 👥 Who I Work With **Hosting Providers:** Multi-server management, support escalation, optimization **Marketing Agencies:** Email deliverability, WordPress optimization **E-commerce:** PCI-compliant hosting, high-availability **SaaS Companies:** Scalable infrastructure, high-volume email **Developers:** Staging environments, Git deployment **Enterprises:** Google Workspace migration, compliance --- ## 🚀 Problems I Solve - Emails in spam folders - SPF/DKIM/DMARC errors - Slow website performance - Security vulnerabilities and malware - Multi-server management complexity - Zero-downtime migrations - Cost optimization - WordPress security issues - Database performance --- ## ✨ Why Choose Me ✔ **No Outsourcing:** I personally handle every project ✔ **Certified Professional:** cPanel administrator since 2017 ✔ **20+ Years Experience:** Deep Linux and hosting expertise ✔ **100% Remote:** Efficient worldwide delivery ✔ **Multilingual:** English, Spanish, Portuguese, Italian ✔ **Proactive:** Prevention over firefighting --- ## 📞 Let's Work Together I offer practical solutions for email deliverability, hosting optimization, migrations, and infrastructure management. **Available For:** - Project-based work - Monthly retainers - Emergency support - Audits and consulting **Location:** Miami Beach, Florida **Delivery:** 100% Remote **Response:** Within 24 hours Ready to solve your email and hosting challenges? Let's discuss your project.
  • Server Administration
  • Linux System Administration
  • DNS
  • Proxmox VE
  • cPanel
  • WordPress Security
  • Backup & Migration
  • WordPress Backup
  • Cloudflare
  • NGINX
  • System Administration
  • PHP
  • System Monitoring
  • Email Security
Ken E.

Sussex, New Jersey

$175/hr
5.0
4 jobs
20+ years experience with infrastructure design, deployment, administration and migration of on-site/hybrid computing environments and applications to use AWS infrastructure and services. Familiarity with Linux and Windows environments.
  • Solution Architecture
  • DevOps
  • AWS Server Migration
  • Web Application
  • AWS Lambda
  • OpenShift
  • Terraform
  • GitLab
  • Cloud Migration
  • PHP
  • Scripting
  • SOC 2
  • Information Security Audit
  • Web Application Development
Igor K.

San Diego, California

$90/hr
4.9
515 jobs
Senior WordPress Developer. Reliable and responsive. Result-oriented work. On time. "Top Rated Plus" Upwork premium freelancer, member of an Upwork PRO group. 14+ years skill in full-stack web site development (prototype, graphic design, front-end, back-end, SEO). Back end experience: PHP (WordPress, Laravel), C# (ASP .NET MVC, Web API, Entity Framework, Orchard, Kooboo, Umbraco). Front end experience: HTML5 / CSS3, SASS, LESS, Bootstrap 5, Html5 animation, JS, jQuery, AJAX, Json, Rest API, Angular 1-2-4, React.js, Vue.js, Node.js, Three.js. Other experience: Windows/Unix Server administration, Git, Azure, AWS and cloud solutions. In terms of WordPress can provide: ✔️ custom theme design or theme/template modification; ✔️ responsive HTML (will pass Google mobile-friendly test, work on any device and OS); ✔️ retina display support; ✔️ HTML5 animation if needed; ✔️ WordPress/Woo back end; ✔️ WordPress multisite and membership, BuddyPress, bbPress; ✔️ custom plugin development; ✔️ 3rd-party services and payment systems API integration; ✔️ SEO, make AMP compliant, setup CDN (Cloudflare); ✔️ support; ✔️ warranty. Great experience with: ✔️ e-commerce; ✔️ payment systems integration (PP, Stripe, Authorize.net and similar); ✔️ Google Maps API (custom design, clusters, routing, radius, speed/time/distances calculation, etc.); ✔️ responsive CRM and dashboards, high-traffic web-projects; ✔️ experience with Microsoft Power BI. Keep the warranty, always available, fast response and turnaround. === TAGS === WordPress Developer ; WordPress expert ; Fullstack developer.
  • WordPress
  • WooCommerce
  • PHP
  • WordPress Plugin
  • WordPress Development
  • Elementor
  • WordPress Theme
  • WordPress Security
  • WordPress Multisite
  • WordPress Customization
  • Web Design
  • CSS
  • JavaScript
  • HTML
  • Vue.js

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