VoIP Developers For Hire
Showing 62 results
Sponsored Freelancers
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abusayed2004 abusayed2004
$50 USD / hour
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP, IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. less
Hire abusayed2004
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I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn.I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn. less
Hire ameer89898
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udayarpandey2022 udayarpandey2022
$50 USD / hour
IT Infra Solution Architect - DevOps - SecurityNepalLet's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. less
Hire udayarpandey2022
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I specialize in outsourcing and digital marketing and am committed to improving your business's efficiency and effectiveness. While I can't please everyone, I have built a strong reputation in the industry. My services include data entry, Virtual Assistant, lead mining, email sending, article writing,...I specialize in outsourcing and digital marketing and am committed to improving your business's efficiency and effectiveness. While I can't please everyone, I have built a strong reputation in the industry. My services include data entry, Virtual Assistant, lead mining, email sending, article writing, proofreading/editing, telemarketing, designs, and more. As an experienced BPO professional (though my team and I cannot please everyone), I (and my team) have worked with numerous companies worldwide in areas such as lead generation, sales, customer service/support, data entry/processing, VA, and research. I offer many services, including telemarketing, customer service, graphics design, logo design, branding, technical support, data entry, and more. I was featured on Freelancer a few years ago (together with my small team) and have been a Preferred Freelancer here for several years. If my qualifications match your needs, please consider our small company for your next project. less
Hire jkaranm
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At Core Techies, we don’t just build products; we create intelligent, AI-powered platforms that redefine industries. Whether you’re building your first AI-driven MVP or scaling your platform to the next level, we turn your ideas into reality faster, smarter, and more powerfully. With over 12 years of experience on...At Core Techies, we don’t just build products; we create intelligent, AI-powered platforms that redefine industries. Whether you’re building your first AI-driven MVP or scaling your platform to the next level, we turn your ideas into reality faster, smarter, and more powerfully. With over 12 years of experience on Freelancer.com, we bring AI-first execution to every project. Our deep technical expertise combined with agility ensures your solution isn’t just great — it’s built to perform. We don’t just solve problems; we create solutions that drive efficiency, innovation, and success. Our Expertise: ✅ AI Development ⚡Integrate GPT-4, Claude, and Gemini for advanced AI models ⚡Build AI chatbots, voice bots, and video bots for sales, support, and operations ⚡Use Generative AI (Text, Image, Audio) to automate content creation and enhance workflows ⚡Deliver AI-powered MVPs in under 30 days — scalable and robust ✅ AI Automation ⚡Automate workflows across HR, finance, and customer service ⚡ Build real-time AI-powered automation that scales with your business ⚡Maximize productivity with AI-driven tools for process optimization ✅ AI Agents ⚡Deploy custom AI agents for 24/7 customer engagement ⚡Build voice bots and video bots that provide human-like interactions ⚡Integrate AI assistants to optimize workflow and boost productivity ✅ Tools We Use ⚡We leverage cutting-edge tools to bring your AI solutions to life: ⚡GPT-4, Claude, and Gemini for natural language processing ⚡TensorFlow, PyTorch for deep learning models ⚡Dialogflow, Rasa, and BotPress for AI chatbots ⚡OpenAI API for text, image, and video AI interactions ⚡AWS, Google Cloud for scalable infrastructure ⚡Zapier, Integromat, n8n, and Make for AI-powered automation ⚡VAPI, Trellio, and Docker for API management and workflow optimization ✅ Why Choose Us? ⚡ Fast Delivery ⚡MVPs in weeks, not months. Start driving growth immediately. ✅ AI-First Mindset ⚡We embed intelligence into every solution, ensuring long-term scalability. ✅ Trusted Security ⚡Proven by global teams, including defense-grade clients. Your solution is secure and reliable. ✅ Continuous Growth ⚡Our ongoing support, iteration, and optimization ensure your product scales with your business. Ready to revolutionize your future with AI? Whether you need an AI co-pilot or a full-stack AI partner, we’re here to bring your vision to life. Let’s launch your AI-powered product today — faster, smarter, and more intelligently than ever. less
Hire C0RETECHIES
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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...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. less
Hire kuldeepvk
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rakibulinux rakibulinux
$30 USD / hour
Web Developer, DevOps Engineer, Linux System AdminBangladeshGreetings! I'm an experienced Next.js/MERN Stack Web Developer, DevOps Engineer and Linux System Administrator with a wide range of skills and expertise. With years of professional working experience in these fields, I have worked with a variety of technologies, including Git, GitHub, and GitLab for version control,...Greetings! I'm an experienced Next.js/MERN Stack Web Developer, DevOps Engineer and Linux System Administrator with a wide range of skills and expertise. With years of professional working experience in these fields, I have worked with a variety of technologies, including Git, GitHub, and GitLab for version control, HTML, CSS, JavaScript, NextJS, and ReactJS for front-end development, MongoDB, NodeJS, NestJS, and ExpressJS for back-end development. In addition to my development skills, I have extensive experience with Linux system administration, including deployment on Ubuntu, CentOS, and Debian. I also have experience deploying and migrating any application/website from one server to another, like if you want to migrate your website from EC2 to GCP/Azure/DO and other provider or even any server I can help you to do it with less down time. My expertise in cloud platforms such as AWS, Digital Ocean, Google Cloud, Azure, Linode, and Vultr, combined with my experience with automation tools like Docker, Ansible, Puppet, Vagrant, Capistrano, and Kubernetes, allows me to efficiently manage infrastructure and ensure scalability. I also have experience with popular CMS platforms such as WordPress, Joomla, and Drupal, and have set up and managed video conferencing solutions using Jitsi Meet, OpenMeet, BigBlueButton, and Zoom. In addition, I have set up and maintained VOIP solutions using Asterisk, Kazoo, and FreePBX, and have experience with SMS gateway and SMPP setup. As an experienced developer, I am committed to delivering high-quality work, meeting deadlines, and exceeding client expectations. If you're looking for a skilled MERN Stack Web Developer and Linux System Administrator for your project, feel free to contact me. #linux #jitsi #html #css #javascript #react #mongodb #expressjs #nodejs #fullstack less
Hire rakibulinux
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Hi, I’m a DevSecOps & Cloud Infrastructure Engineer with over 12 years of experience in Cloud Architecture, Web Hosting, Server Security, and Malware Remediation. I specialize in building secure, scalable, and automated infrastructures across leading cloud and hosting environments. Core Expertise Operating...Hi, I’m a DevSecOps & Cloud Infrastructure Engineer with over 12 years of experience in Cloud Architecture, Web Hosting, Server Security, and Malware Remediation. I specialize in building secure, scalable, and automated infrastructures across leading cloud and hosting environments. Core Expertise Operating Systems Debian, Ubuntu, CentOS, Red Hat, Fedora, AlmaLinux Cloud Platforms AWS, Google Cloud, Azure, Alibaba Cloud, IBM Cloud, OVH, Linode, DigitalOcean, Vultr, Scaleway Containerization & Orchestration Docker, Kubernetes, Helm, Docker Compose Infrastructure as Code (IaC) & Automation Terraform, Ansible, CloudFormation, CI/CD Pipelines (GitHub Actions, GitLab CI, Jenkins),N8N Web Servers Apache, Nginx, LiteSpeed, IIS Databases MySQL, MariaDB, PostgreSQL, Amazon Aurora Mail Systems Zimbra, Postfix, Dovecot, iRedMail, Sendmail ERP / CRM Odoo, vTiger, Dolibarr, SugarCRM, SuiteCRM, YetiForce, ERPNext E-Learning & Video Conferencing BigBlueButton, Greenlight, Jitsi Meet, Moodle LMS, Chamilo LMS, Open edX, Scalelite Control Panels cPanel/WHM, DirectAdmin, ISPConfig, Webmin/Virtualmin, CWP, Plesk, VestaCP, HestiaCP CMS & E-Commerce WordPress, Joomla, Drupal, Magento, OpenCart, PrestaShop PHP Frameworks Laravel, CodeIgniter, Zend Security & Compliance OWASP Top 10, Burp Suite, PCI DSS, Server Hardening, WAF Integration, Cloud Security Best Practices I bring a security-first DevOps mindset, ensuring every deployment is automated, scalable, and compliant. From designing Kubernetes clusters and managing CI/CD pipelines to hardening cloud workloads and optimizing performance, I help businesses achieve stability, security, and operational excellence in the cloud. Thanks, less
Hire sr33raj
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After getting 14 years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...After getting 14 years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Cloud Computing ---> AWS (EC2, RDS, VPC, ECS, EKS, S3, EFS, Cloudfront, Elastibeanstalk, etc) Cloud Computing ---> Azure (VM's, Vnet, Scaleset, Function Apps, App Services, CosmosDB, FlexibleDB, AKS, Blob Storage, etc..) Containerization ---> Docker, Docker-compose, Kubernetes DevOps ---> Jenkins, Bitbucket, Github, Terraform, Ansible, Python Virtualization ---> Vmware Vsphere High Availability & Disaster Recovery ---> Veeam Backup & Replication Windows Server ---> Active Directory, File Services, WDS Mail Server, Database Server ---> Exchange, Mdaemon VOIP ---> Elastix, Freepbx Website Development ---> Wordpress, PHP, HTML, CSS, Javascript less
Hire arifnafees
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. less
Hire AwaisChaudhry
