展示 55 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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Top 1% in the Freelancer.com Community. I am excited to offer 16+ years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your...Top 1% in the Freelancer.com Community. I am excited to offer 16+ years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Wireless(Cisco,Unify,Grandstream,Fortigate) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC Servers) I am happily available anytime using secure remote support or walk you through the steps via Freelancer chat .I am looking to show each client my worth to build a long relationship. Get started by clicking on "Hire Me" 收起
雇用 RafimKs
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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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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'm a VoIP expert, skilled PHP web developer, and proficient Linux administrator............................. I'm a VoIP expert, skilled PHP web developer, and proficient Linux administrator............... 收起
雇用 arodrigue
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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
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LBN Cyber Labs LLP is a leading cloud solutions provider based in Gurgaon, India. We have expertise in Cloud Computing, Container, Kubernetes , Enterprise Communications, DevOps, IaC. We provide professional services for AWS cloud. We help business to deploy application in aws , cloud migration, consultation for...LBN Cyber Labs LLP is a leading cloud solutions provider based in Gurgaon, India. We have expertise in Cloud Computing, Container, Kubernetes , Enterprise Communications, DevOps, IaC. We provide professional services for AWS cloud. We help business to deploy application in aws , cloud migration, consultation for choosing best aws services for requirement, ci/cd pipeline setup. 收起
雇用 antima5
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i'm have 10 years experiences with Asterisk, PHPAGI, MySQL and Freeswitch. I'm also have experience with Linux too speacially CentOS, apache web server, mail server and a litle bit about VM.i'm have 10 years experiences with Asterisk, PHPAGI, MySQL and Freeswitch. I'm also have experience with Linux too speacially CentOS, apache web server, mail server and a litle bit about VM. 收起
雇用 tukangngoprex
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Welcome to my profile! Thanks for visiting! My name is Derek and I am an experienced Full Stack developer based in Los Angeles. My background includes: - Proficiency in Javascript, Typescript, PHP, Python, C#, Golang, Swift, Objective-C, Java, Kotlin and other programming languages to build robust native,...Welcome to my profile! Thanks for visiting! My name is Derek and I am an experienced Full Stack developer based in Los Angeles. My background includes: - Proficiency in Javascript, Typescript, PHP, Python, C#, Golang, Swift, Objective-C, Java, Kotlin and other programming languages to build robust native, cross-platform apps, web apps and game. - Extensive experience with web development frameworks and libraries like Angular, React and Vue.js and databases like MySQL, PostgreSQL, MongoDB and Amazon DynamoDB. - Extensive experience with iOS frameworks like UIKit, ARKit, CoreBluetooth, and Android architecture like Jetpack, Retrofit, to implement advanced features and optimize performance. - Extensive experience in designing and implementing gameplay features, mechanics, and systems, as well as knowledge of Virtual Reality (VR) and Augmented Reality (AR) development, creating engaging experiences for immersive platforms using Unity, Unreal Engine. - Integrating third-party SDKs like Facebook, Firebase into apps to enable social logins, analytics and more and cloud services like AWS, Google Cloud and Microsoft Azure. - Implementing custom and pixel-perfect UIs by using modern frameworks like Tailwind CSS, Ant-Design, Styled component and etc. - Leveraging tools like Git, Jira, AWS to improve collaboration and streamline workflows. Let's collaborate to transform your vision into an exceptional app experience. Contact me to discuss your project goals - I am passionate about delivering top-notch mobile apps and providing exceptional value. As always, thanks for visiting and I hope that we can work together to achieve your dreams! 收起
雇用 derekjlaporte
