展示 34 结果
高级威客
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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...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. 收起
雇用 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. 收起
雇用 ameer89898
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I write to introduce myself I'm Engineer Toriqul Islam, I was born and grew up in, Bangladesh. I speak & write in English like native people. I am a B.S.C Engineer of Computer Science & Engineering. I have completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web...I write to introduce myself I'm Engineer Toriqul Islam, I was born and grew up in, Bangladesh. I speak & write in English like native people. I am a B.S.C Engineer of Computer Science & Engineering. I have completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development, translation, transcription, proofreading, voice-over, data entry, and writing project. I have more than ten years of experience in this sector. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication Let’s Build Something Great! Click on the "Send a Message" button, and let’s discuss your project! ? If you have any questions, kindly feel free to contact me at any time, and thank you for taking the time to visit my profile. I look forward to hearing from you! Let’s build a great product together. Best Regards, Md Toriqul Islam 收起
雇用 toriquldev123
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I have 12 years of experience in Linux and Cloud server management which includes Monitoring, Security, and Optimization. Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including Elastic Cloud Compute (EC2), Virtual Private Cloud (VPC), Public and...I have 12 years of experience in Linux and Cloud server management which includes Monitoring, Security, and Optimization. Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including Elastic Cloud Compute (EC2), Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, Cloud Watch and IAM. Implemented AWS high availability using AWS Elastic Load Balancing (ELB), which performed a balance across instances in multiple Availability Zones. AWS deployment using Ansible and Terraform, also deployed, and administered Open stack services. Configuring Ansible to manage AWS environments and automate the build process for core AMIs (Amazon Machine Image) used by all application deployments including Auto scaling and Cloud formation scripts. Worked with Docker on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud. Played a major role in building Docker images; create build and deployment configurations to deploy applications using Jenkins onto the Kubernetes cluster. Deployed and configured Elastic search ELK, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch. Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions. Troubleshooting the network issues involving TCP/IP, LAN/WAN networking, DNS, DHCP, SMTP, SNMP, netstat and monitored the servers and Linux scripts regularly and performed troubleshooting. Monitoring of the servers through Nagios, Icinga2, Zabbix I can handle cloud platform setup and Network management. I'm an expert in Website and e-mail Migration. I also have experience on VMware. Cloud Services: Amazon web services (AWS) , Gcloud , Digitalocean , Scaleway , Azure , Rackspace , Linode etc... My areas of expertise are: Linux, FreeBSD, Windows, Asterisk, FreePBX, NFS, CIFS, VMware, Xen, LVM, Apache, Nginx, Tomcat, Zimbra, Qmail, Sendmail, Postfix, Exim, LVM in Linux, Jabber, Openfire, FTP, Bind, PowerDNS, Pfsense, IPtables, Zabbix, Nagios, MysQL, LDAP, SquidFreeNAS, IPSEC, OpenVPN, PPTP, L2TP TECHNICAL SKILLS Operating systems: Linux, Windows Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP Application/Web Servers: Apache, Nginx, Litespeed Mail Servers: Postfix, exim, sentmail, zimbra, iredmail 收起
雇用 bindmission
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I am Muhammad Abdullah with 8 years of experiences A highly skilled IT professional with broad expertise in Linux system administration, software engineering, web development, and mobile application development. Demonstrates a deep understanding of a variety of operating systems, including Linux, Windows, macOS,...I am Muhammad Abdullah with 8 years of experiences A highly skilled IT professional with broad expertise in Linux system administration, software engineering, web development, and mobile application development. Demonstrates a deep understanding of a variety of operating systems, including Linux, Windows, macOS, Unix, and mobile platforms like Android and iOS. Adept at working with numerous programming languages such as Python, JavaScript, Java, C++, and more. Excels in creating efficient software solutions, designing and maintaining dynamic websites, and developing cross-platform mobile applications. Possesses a strong ability to optimize performance, ensure security, and deliver exceptional user experiences across diverse technological environments. This comprehensive skill set makes them a valuable asset for addressing complex technical challenges and driving innovation across multiple platforms 收起
雇用 MRARIFAKRAM
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We've spent more than ten years digging deep into how dialers work, learning everything from connecting them smoothly with other programs to setting up complex servers and phone systems. This hands-on knowledge means your outgoing calls will be handled smoothly and dependably, every time. We prioritize clear and...We've spent more than ten years digging deep into how dialers work, learning everything from connecting them smoothly with other programs to setting up complex servers and phone systems. This hands-on knowledge means your outgoing calls will be handled smoothly and dependably, every time. We prioritize clear and consistent communication throughout the development process, keeping you informed at every stage. Furthermore, we are dedicated to exceeding expectations by consistently providing added value and going the extra mile. Beyond initial deployment, we offer comprehensive ongoing support to guarantee the long-term success of your dialer solution. Our commitment extends far beyond simply delivering a functional system. We're in it for the long haul, sticking with you until your unique business goals are completely met. That's why we don't consider our job done until your objectives are fully achieved, providing ongoing support and adjustments as needed to guarantee you reach your desired outcomes. Our extensive experience spans a wide range of dialer technologies, including: Vicidial A2Billing Voice Broadcasting IP PBX Solutions Avatar Dialer CRM Integrations IVR Systems Dialer Clustering Multi-Language Dialer Implementations Finding a truly reliable partner in the crowded freelance space can be a real challenge. We set ourselves apart by holding firm to the principles of high-quality work, consistently hitting project deadlines, and keeping the lines of communication wide open. Recognizing that your phone system is a critical tool for your business's success, we dedicate ourselves to crafting solutions that will genuinely push your company forward. Let's join forces and take your phone system to the next level, so you can achieve your business goals. 收起
雇用 kingAsterisk
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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. 收起
雇用 AwaisChaudhry
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My name is Jason Derr -- I manage my own business where I provide VOIP services to my customers. I have been doing this for 20 years. I manage 35 + FreePBX servers and 2 FusionPBX servers. I built everyone of them - and configured hundreds of IP phones. I manage 12 servers in a DC - and have my own SIP server...My name is Jason Derr -- I manage my own business where I provide VOIP services to my customers. I have been doing this for 20 years. I manage 35 + FreePBX servers and 2 FusionPBX servers. I built everyone of them - and configured hundreds of IP phones. I manage 12 servers in a DC - and have my own SIP server that I have developed which all my customer PBX's trunk to. I am 56 years old - and I do this not only as a career but also because I thoroughly enjoy it. 收起
雇用 jdwebcc
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Hi! My name is Marjan, an accomplished professional with a decade of experience in delivering outstanding projects. Since 2010, I'm providing top-notch digital services. My passion lies in turning your vision into reality, and I'm thrilled to embark on this exciting journey with you. I guarantee a customized approach,...Hi! My name is Marjan, an accomplished professional with a decade of experience in delivering outstanding projects. Since 2010, I'm providing top-notch digital services. My passion lies in turning your vision into reality, and I'm thrilled to embark on this exciting journey with you. I guarantee a customized approach, timely delivery, and uncompromising quality. Let's collaborate and create something truly extraordinary together! Have a look at the services I offer: ✅ Wordpress Website Design and Development ✅ Shopify Website Design and Development ✅ Business Website Design and Development ✅ E-commerce Website Design and Development ✅ Custom Website Design and Development ✅ Portfolio Website Design and Development ✅ SaaS Website Design and Development ✅ Blog Website Design and Development ✅ Educational Website Design and Development ✅ Membership/Subscription Website Design and Development ✅ Real Estate Website Design and Development ✅ Dropshipping Website Design and Development ✅ Wix Website Design and Development ✅ Website Maintenance and Support Services ✅ Search Engine Optimization (SEO) I'm committed to delivering high-quality, creative, and engaging solutions for your project. Let's discuss your specific requirements and start working together to achieve your goals! 收起
雇用 marjanahmed13
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We have a combined experience of around 30 years in different fields of Information Technology, we have experience in VOIP, Asterisk, Cisco Call Manager 4.x onwards, Cisco IP phones, MYSQL, PHP,We have a combined experience of around 30 years in different fields of Information Technology, we have experience in VOIP, Asterisk, Cisco Call Manager 4.x onwards, Cisco IP phones, MYSQL, PHP, 收起
雇用 ngxperts
