展示 47 结果
高级威客
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I am currently seeking long-term remote and onsite job opportunities. With 13 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 customization. I...I am currently seeking long-term remote and onsite job opportunities. With 13 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 customization. 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: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - 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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TechPlus is a leading Development professional company providing superior software system, Web, Mobile and creative designing solutions and services to corporations globally. Having a powerful Technology Development and Innovation center in Pakistan and with over 400+ happy customers worldwide, raging from startups...TechPlus is a leading Development professional company providing superior software system, Web, Mobile and creative designing solutions and services to corporations globally. Having a powerful Technology Development and Innovation center in Pakistan and with over 400+ happy customers worldwide, raging from startups - fortune five hundred corporations across numerous industries, TechPlus has created it’s mark as a well established and sound company driven by the industry’s highly skilled and trained people and is definitely headed in turning into a leading organization that facilitates, enhances and provides measurable business value to customers through most effective uses of technology and Resources to organizations globally. Our goal is to exceed our customer’s expectations in the form of value, quality and complete customer satisfaction. 收起
雇用 techplusintl
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I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer...I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer support for WHM, cPanel, Plesk, DirectAdmin, and other control panels. I can handle tasks related to VPS, VDS, VPN, VPC, and subnet setups. I excel at seamless migration from one host to another. I can configure Reverse Proxy for efficient web traffic management. I have expertise in Load Balancing for applications and websites. I can resolve PHP-related issues and extend its functionality through various extensions. I am experienced with Java Web Server (Apache Tomcat) setup and maintenance. I can assist with IIS configuration and optimization. I have extensive knowledge in debugging Ubuntu, Debian, or Debian-based operating systems. I can troubleshoot CentOS-related issues. 收起
雇用 MRARIFAKRAM
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Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel:...Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel: Plesk, WHM, Cpanel, Webmin, Virtualmin Virtualization: KVM, VMware, Citrix Xen Server, VMware Esxi, Proxmox, Advanced KVM command-line Security Compliance: PCI-DSS, DISA STIGs. Devops Tools: Docker, Docker-compose, Jenkins, GitHub,Vagrant, Vagrant with Docker as provider , Ansible, Foreman, Docker Swarm Network: Router configuration of cisco router, modem. IP subnetting. Database: Mysql, Postgresql, Oracle, MS-SQL Accounting: Tally 6.3, Tally ERP 9 on Linux Operating System: Debian-{8,9,10}, Centos-{3,4,5,6,7}, Ubuntu-{12,14,16,18,20.04,22.04}, Windows server -{2003, 2008, 2012, 2016, 2019,2022} Private cloud: Eucalyptus (Ubuntu Enterprise cloud) Cloud: AWS, Gcloud, Azure create VPC, public-private subnet, route table, Internet gateway, network acl, amazon ec2 instance Migration, updation. ERP: ERPnext Multitenant, ERPnext in Google Cloud K8s cluster with CEPH storage Log Server: Solarwind Kiwi syslog Domain Server: Windows AD, Samba4 Server provisioning and PXE installation for Linux and Windows. Source code Compilation and Cross compilation for various architecture. Server Administration, Webhosting, Web migration, Web and DB performance tuning, SSL Certificate Installation, Shell scripting, Deployment of various software and server, Mail server etc. Postgresql cluster, high availability, Load balancing. Master-master Replication. GlusterFS Replication and Geo-replication. Linux Distros: Kiosk live image. FFMPEG, v4l2loopback, Proxy: Haproxy MongoDB Replicaset on multi-node docker container. 收起
雇用 android2014213
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"I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design...."I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design. I've successfully worked on a wide range of IT projects, from building and maintaining websites to crafting distinctive brand logos. In addition to my technical proficiency, I also possess a deep knowledge of financial management and accounting, making me proficient in total account management and maintenance. My multifaceted skill set allows me to offer a comprehensive range of IT and administrative services, from network setup and system administration to financial analysis and bookkeeping. I am passionate about helping businesses and organizations optimize their operations and IT infrastructure while ensuring financial stability. Let's connect and discuss how I can bring my expertise to support your specific needs." 收起
雇用 dyjibran
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Hi!!! This is Raj malviya. I am a VoIP Engineer and have 5+ years of experience working on asterisk and asterisk-based PBX systems. I provide the following services 1. Installation of FreePBX, vicidial, and magnus, fusion pbx ,3cx in the cloud or local server. 2. Troubleshooting Issues related to the PBX...Hi!!! This is Raj malviya. I am a VoIP Engineer and have 5+ years of experience working on asterisk and asterisk-based PBX systems. I provide the following services 1. Installation of FreePBX, vicidial, and magnus, fusion pbx ,3cx in the cloud or local server. 2. Troubleshooting Issues related to the PBX system 3. Remote Technical Support 4. custom Dialplans and automation 5. Following Features' Setup Extension Creation Voice Mail, Announcements, Office Hours setup Custom IVR with database queries & API calls Ring Groups SIP Trunk Integration, WebRTC, Queues All other related services to the PBX system i have multiple provider i can add every cloud pbx system. i am providing local number ,toll free number as per customer requirements. #Email SMTP# SSL / TLS Support (Free SSL, Let's Encrypt Or Any Paid SSL) Email marketing tools help DNS Support Cloudflare DNS Support Virtualization Server Setup Support. 收起
雇用 rajmalviyamalviy
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I’m experienced in Server Managment and Network Administration for small and medium-sized businesses. I have about 30 years of experience on these areas. I have worked in Microsoft 365, Microsoft Office 365, Intune, SCCM, RDS Severs, WDS, WSUS in the past 5 years. I am expert in Fiber optic network design, experienced...I’m experienced in Server Managment and Network Administration for small and medium-sized businesses. I have about 30 years of experience on these areas. I have worked in Microsoft 365, Microsoft Office 365, Intune, SCCM, RDS Severs, WDS, WSUS in the past 5 years. I am expert in Fiber optic network design, experienced in troubleshooting fiber optic networks. Expert with Fiber Optic tools such as Fusion splicers, Optical Time Domain Reflectometer (OTDR), Fiber optic cleaver, Visual Fault Locator (VFL), Power meter and light source. Fiber optic connectors, Single-mode and multimode cables, Splice enclosures, Distribution boxes, Termination boxes, Patch panels. I have hand-on experience on Wi-Fi design for home and office. 收起
雇用 SiaSP
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pranavkhandelwal pranavkhandelwal
$15 美元/小时
Top1% PPF | 12+ years | Fullstack mobile & web appIndiaHello, I'm Pranav, a seasoned professional with over 10 years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and...Hello, I'm Pranav, a seasoned professional with over 10 years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and more. Key Highlights: Experience: With a decade of hands-on experience, I bring a wealth of knowledge in both mobile and website development. Versatility: My expertise spans a broad spectrum of technologies, allowing me to tackle projects with a holistic approach. Experience and Skills: Specialization: Native iOS Mobile Application Development using Objective-C, Swift in Xcode. Design Patterns: Strong foundation in Object-Oriented Programming (OOPs), MVC, MVVM, and other design patterns. Frameworks: Proficient in Cocoa/Cocoa Touch, utilizing both native frameworks and third-party libraries. API Integration: Extensive experience with Restful APIs, SQLite, PLIST, JSON, XML, and social network integrations such as Facebook, Google+, Twitter, etc. Interface Design: Efficient use of Interface Builder, XIB, or storyboard for intuitive user interfaces. Additional Expertise: iCloud implementation, In-App Purchase, Remote and Local Push Notification. Version Control: Experienced with version control systems like SVN and GIT. Commitment: From my end, I guarantee maximum responsibility, rapid responses, and time flexibility. Regardless of your location or preferred working hours, I am committed to delivering exceptional results. Feel free to reach out to discuss your project. I look forward to the opportunity to collaborate and bring your ideas to life. Best regards, Pranav Khandelwal 收起
雇用 pranavkhandelwal
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"I am a seasoned Digital Marketing Manager proficient in social media marketing, SEO, SMO, email marketing, graphics design, website development, video editing, Telegram scraping, YouTube monetization, Facebook monetization, and overall social media growth strategies. With a blend of creativity and strategic..."I am a seasoned Digital Marketing Manager proficient in social media marketing, SEO, SMO, email marketing, graphics design, website development, video editing, Telegram scraping, YouTube monetization, Facebook monetization, and overall social media growth strategies. With a blend of creativity and strategic expertise, I craft compelling campaigns and engaging content that elevate brands, boost online presence, and drive monetization. Let's amplify your digital footprint and transform your social media platforms into thriving communities and revenue streams." 收起
雇用 ZAHID3236
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ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch...ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch Bots) Web: Core: HTML, CSS, WordPress, PHP (Magento, Cakephp, Codeigniter, Symfony, Laravel), Javascript (MEAN+MERN), React.js, Angular, node.js, Express.js, Vue.js, D3.js, Three.js, Ruby on Rails, ASP.NET, AJAX, MVC, VB.NET, WPF, CMS, JSON, Docker, Odoo, RESTful API Gobiflow, Podio, Bubble.io, Webflow eCommerce: Woo+BigCommerce, Shopify, Ecwid, Shopware, Prestashop, Joomla, Drupal, Zoho, Odoo, WHMCS, Yii, vTiger, Suite/SugarCRM Desktop: Java, Python, C#/C++Programming, Delphi, Qt++, VB, Golang Design: Photoshop, Illustrator, Figma Game Development: WebGL, Html5, Unity3d, 3d Max, 3d Maya, Unreal Engine 4/25. UE5, Godot Mobile: Android, iPhone, PhoneGap, Ionic, Cordova, React Native, Xamarin, Flutter, AR/VR Calling: Twilio, Nexmo, Voip, Sip, Asterisk, FreePbx, Freeswitch. Trading: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, NinjaTrader, Tradingview, Binance, Kucoin, Interactive Broker, Iqoption, Fxtm Apis Computer Vision: Machine Learning, Artificial Intelligence, OpenCV, OCR, Tensorflow, GPT-3, GPT-4, Jetson Nvidia, YOLO, Chatbot, ChatGPT, OpenAI Hardware: Embedded System, Arduino, Matlab, Raspberry Pi, Esp32 收起
雇用 AwaisChaudhry
