VoIP Developers For Hire
Showing 52 results
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Hire engkarimismail
engkarimismail engkarimismail
$50 USD / hour
✅Senior Network & System Engineer | Security|VOIP✅Malaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva less -
Hire abusayed2004
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 krisk63
I am a seasoned full-stack software developer and AI Engineer with over 15 years of experience in crafting, developing, and managing sophisticated software projects. My passion for technology drives me to stay updated with the latest trends, allowing me to create innovative solutions tailored to meet diverse business...I am a seasoned full-stack software developer and AI Engineer with over 15 years of experience in crafting, developing, and managing sophisticated software projects. My passion for technology drives me to stay updated with the latest trends, allowing me to create innovative solutions tailored to meet diverse business needs. My extensive skill set enables me to build and maintain robust systems that meet the varied demands of businesses across different sectors. I specialise in developing AI-powered platforms that enhance user experience and automate complex processes. By leveraging machine learning algorithms and natural language processing, I create intelligent systems that provide actionable insights and drive efficiency across various applications. Core Skills and Technologies: - Web Technologies: JavaScript, TypeScript, React/Next.js, Vue, Angular, - Backend Frameworks: PHP (Laravel), Python (Django, Flask), Node.js - WebGL: Three.js, Babylon.js, PixiJS - Database: MongoDB, PostgreSQL, MySQL, Sqlite, - AI technology: OpenAI, Prompt Engineering, AI Agent, AI Chatbot, AI Text-to-Speech, AI Speech-to-Text I am dedicated to delivering high-quality solutions with a strong focus on innovation and efficiency. My commitment to excellence and collaborative approach ensures the success of every project I engage in. I would love to connect and discuss how we can work together. Best regards, Kris Kramer less -
Hire udayarpandey2022
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 jkaranm
I specialize in outsourcing and digital marketing and I am committed to improving your business's efficiency and effectiveness. While I cannot please everyone, I have built a strong reputation in the industry over the years. I speak fluent English and Filipino (Cebuano and Tagalog). As an experienced BPO professional...I specialize in outsourcing and digital marketing and I am committed to improving your business's efficiency and effectiveness. While I cannot please everyone, I have built a strong reputation in the industry over the years. I speak fluent English and Filipino (Cebuano and Tagalog). As an experienced BPO professional and a Bachelor's degree of Business Administration, I—along with my small, close team—have worked with numerous companies worldwide. A trusted Preferred Freelancer for 10+ years, I offer a diverse service suite including (but not limited): Administration & Finance: Virtual Assistance, Bookkeeping, Basic Accounting, Data Entry/Processing and more. Growth & Strategy: Lead Mining, Data Enrichment, Data Management, Telemarketing, and more. Creative & Content: Article Writing, Proofreading/Editing, Graphic & Logo Design, and Branding. Technical & Support: Customer Service/Support, Technical Support, Research and more. I was featured on Freelancer a few years ago and have maintained my Preferred Freelancer status for over a decade while remaining grounded and low-profile. If our qualifications match your needs, please consider our small company for your next project. less -
Hire arodrigue
Hi, I'm an IT expert specializing in Cyber Security, Cloud technologies, and full-stack Web and VoIP development. I'm fluent in PHP, Python, Java, CSS, and HTML, with a strong background in Linux system administration. In Cyber Security, I have over 22 years of experience in both defensive and offensive roles, backed...Hi, I'm an IT expert specializing in Cyber Security, Cloud technologies, and full-stack Web and VoIP development. I'm fluent in PHP, Python, Java, CSS, and HTML, with a strong background in Linux system administration. In Cyber Security, I have over 22 years of experience in both defensive and offensive roles, backed by certifications from industry leaders such as Google, Microsoft, IBM, AWS, and Cisco. On the VoIP front, I specialize in Asterisk and Twilio, focusing on the design and implementation of telecommunications solutions using both commercial and open-source frameworks. I've developed multiple call center IVR systems and other telephony solutions deployed globally. less -
Hire EricJoseph2
I am a software developer working with Java technologies including Spring Boot, Hibernate, Android, reverse engineering, database administration, spring framework + security, task scheduling and solving problems like data extraction, transformation and warehousing.I am a software developer working with Java technologies including Spring Boot, Hibernate, Android, reverse engineering, database administration, spring framework + security, task scheduling and solving problems like data extraction, transformation and warehousing. less -
Hire Adminical
| Delivering Excellence on Every Project | With decades of experience spanning containerization, virtualization, server and network management, hosting control panels, and email marketing and deliverability, I bring a unique blend of technical mastery and strategic vision to every project I undertake. My expertise is...| Delivering Excellence on Every Project | With decades of experience spanning containerization, virtualization, server and network management, hosting control panels, and email marketing and deliverability, I bring a unique blend of technical mastery and strategic vision to every project I undertake. My expertise is not confined to a single field—it’s a dynamic fusion of skills that allows me to tackle complex challenges across diverse domains. Whether it’s building scalable containerized infrastructures, streamlining virtualized environments, managing robust server and network systems, simplifying hosting control panels, or optimizing email campaigns for maximum engagement, I deliver tailored solutions that drive efficiency, innovation, and results. Why Choose Me for Your Project? I don’t just specialize—I integrate. My ability to seamlessly connect the dots between technology and strategy ensures that every aspect of your project is executed with precision and purpose. From modernizing IT infrastructure to automating server management, from simplifying hosting controls to ensuring emails land in the inbox, I bring a hands-on, detail-oriented approach to every task. My goal is to help you unlock the full potential of your project, turning it into a reliable, scalable, and high-performing success. Let’s collaborate to bring your vision to life less -
Hire dailas
Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 10 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk...Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 10 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential less -
Hire logicpowered
Expertise include: -- DevOps Certified (Azure, AWS, Google Cloud) -- dotNET (Web Applications, dotNet Core, MVC, Web API) -- PHP (WordPress, Laravel, Magento, CodeIgniter) -- JavaScript (NodeJS, AngularJS, ReactJS, VueJS, BackboneJS) -- DB ...Expertise include: -- DevOps Certified (Azure, AWS, Google Cloud) -- dotNET (Web Applications, dotNet Core, MVC, Web API) -- PHP (WordPress, Laravel, Magento, CodeIgniter) -- JavaScript (NodeJS, AngularJS, ReactJS, VueJS, BackboneJS) -- DB (MySQL, MongoDB, MsSQL, Oracle, PostgreSQL) -- Others (QuickBooks, Telerik, Python, Raspberry Pi, GitHub, Bitbucket) less
