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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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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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We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article...We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article writing, proofreading/editing, telemarketing, designs, and more. As an experienced BPO professional, I have worked with numerous companies worldwide in areas such as lead generation, sales, customer service/support, data entry/processing, VA, and research. Our company offers a wide range of services, including telemarketing, customer service, graphics design, logo design, branding, technical support, data entry, and more. We were featured on Freelancer a few years ago and have been a Preferred Freelancer here for several years now. If our qualifications match your needs, please consider our small company for your next project. 收起
雇用 jkaranm
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Namaste, Welcome to Microlent. Microlent is a group composed of tech-savvy individuals and marketing geniuses who banded together to get India, and the world, digitally engaged. We are about technology and how it can help you reach your maximum potential. We are a real company based in India and as well as our local...Namaste, Welcome to Microlent. Microlent is a group composed of tech-savvy individuals and marketing geniuses who banded together to get India, and the world, digitally engaged. We are about technology and how it can help you reach your maximum potential. We are a real company based in India and as well as our local clients, we use Freelancer to cherry-pick the best international projects to build our online portfolio and stretch our software building muscles. We are always looking to build the next big thing - Is that your project? If so, we would make a successful team! We develop websites, online stores, mobile applications, and most importantly ongoing relations. We are the 'go-to guys for new software projects - Anything goes at Microlent! Your imagination is the limit. We work with the following technologies: ASP.NET MVC, ASP.NET CORE, C#, PHP, iOS, Android, Flutter, Xamarin, and many more. 收起
雇用 Microlent
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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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✅ Front-end Development: HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js ✅ Back-end Development: Node.js, Express.js, Laravel, Django, Flask, Shopify ✅ Database Management: MySQL, MongoDB, PostgreSQL ✅ Version Control: Git, SVN ✅ Deployment and Cloud Technologies: AWS, Azure, Heroku, Docker ✅ Testing and...✅ Front-end Development: HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js ✅ Back-end Development: Node.js, Express.js, Laravel, Django, Flask, Shopify ✅ Database Management: MySQL, MongoDB, PostgreSQL ✅ Version Control: Git, SVN ✅ Deployment and Cloud Technologies: AWS, Azure, Heroku, Docker ✅ Testing and Debugging: Jest, Mocha, Chai, Postman ✅ Agile Methodologies: Scrum, Kanban ✅ UI/UX Design Principles ✅ Problem Solving and Analytical Thinking ✅ Strong Communication and Collab✅ Certified Ethical Hacking: Comptia a+, Comptia Security +, comptia Networking +, Stolen Accounts Recovery, ✅ Server Operating Systems: Windows Servers 2003 - 2022, Ubuntu, Debian, RHEL, CentOS, Symbian OS, Android, IOS, Mac OS, Unix, Linux. ✅ Penetration Testing: Network Service, Web Application, Wireless Network, Social Engineering, Mobile Penetration Testing, Black box Testing, White box Testing, Grey box Testing. ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Database servers: MySQL, PostgreSQL ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft® Azure, Google Cloud Platform(GCP) . ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ Web Security Security Awareness, Security Analyst, Security Vulnerability, Security Framework, Network Vulnerability, Engineer. ✅Containers: Docker, Windows Subsystem for Linux, Kubernetes Cluster. ✅ Web servers: IIS, APACHE, NGINX ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certifiedoration. 收起
雇用 samueld100
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Welcome to Time2sync, your go-to partner for innovative technology solutions. Our dedicated team of experts excels in a variety of technologies, including ASP.net, C#, Linux servers, MSSQL, MySQL, HTML, PHP, and full-stack development. With a proven track record, we have successfully extended our capabilities to...Welcome to Time2sync, your go-to partner for innovative technology solutions. Our dedicated team of experts excels in a variety of technologies, including ASP.net, C#, Linux servers, MSSQL, MySQL, HTML, PHP, and full-stack development. With a proven track record, we have successfully extended our capabilities to mobile app development for both Apple iOS and Android platforms. Services:⭐ ASP.net and C# Development: Tailored web applications and services to meet your unique requirements. Linux Server Management: Reliable solutions for efficient and secure server environments. MSSQL and MySQL Database Solutions: Database management and optimization for seamless operations. HTML and PHP Web Development: Front-end and back-end expertise for dynamic and user-friendly websites. Full-Stack Development Services: Comprehensive solutions covering the entire development stack. Mobile App Development (iOS and Android): Engaging and user-centric applications for diverse business needs. Why Choose Time2sync: At Time2sync, our commitment to excellence is evident in every project we undertake. Here's why you should choose us: Experienced and Skilled Team Tailored Solutions for Your Business Cutting-edge Technologies Customer-Centric Approach Proven Track Record of Success As a company, we have developers, UI/UX designers, and a marketing and seo team ready to serve you efficiently and in higher speed than you can ever imagine. Book us now ! 收起
雇用 Time2Sync
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Thank you for taking your valuable time! My objective is to serve you better than ever with my maximum devotion. I love helping my customers, and so proudly do my business in delight until your needs are meet by satisfaction. During working as a software developer for 12+ years, I've gained a vast experience and...Thank you for taking your valuable time! My objective is to serve you better than ever with my maximum devotion. I love helping my customers, and so proudly do my business in delight until your needs are meet by satisfaction. During working as a software developer for 12+ years, I've gained a vast experience and skills in software engineering field. So no worry about software development from A to Z. In a word, I'm an expert problem solver. No matter what the bug you have, what the solution you are looking for. Up to today, I've successfully developed/solved so many projects and problems / bugs with various technologies, tools and languages. My expertise allows me to build robust, clean, stable and reusable components/modules in any programming language scopes but it doesn't allow me to write dirty codes. These are my main skills. -React.js / Next.js, Vue.js, Angular.js, CodeIgniter, Laravel, Django, Symfony, Magento, RoR -Node.js, Express.js, Koa.js, Nest.js -Javascript/Typescript, jQueryHTML, CSS, CSS3, LESS, SASS, TailwindCSS -C/C++, C#, .Net, Go, Java, Python, Solidity -Matierial-UI, Antd-UI, Kendo-UI, Chakra-UI, Bootstrap -MySQL/Oracle/Postgre, MongoDB, DynamoDB, MSSQL, SQLITE -Git, Jira, Bitbucket, Trello, Figma, PSD, XD -AWS, DigitalOcean, Firebase, SendGrid, Twillo, Google could API, Ubuntu -WordPress, Shopify, Bubble Attentiveness, responsibility, technical thinking, poise, concentration, a high degree of self-organization, discipline, focus on achieving results. I always keep in mind that I grow with my customers. Let us make things better. Happy working! 收起
雇用 atverdokhlib
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Area of Expertise 1. IP Telephony H323 and SIP, MGCP protocols ,Device pool, Partitions / CSS, SRST Fall Back, Digit manipulation, Call Hunting, Device mobility, Unified mobility, Extension mobility. Working on Cisco IP phones 7940, 7960,7975,8961,9951, 9971, dx650, Cisco Cius. Voice messaging, Unified Messaging,...Area of Expertise 1. IP Telephony H323 and SIP, MGCP protocols ,Device pool, Partitions / CSS, SRST Fall Back, Digit manipulation, Call Hunting, Device mobility, Unified mobility, Extension mobility. Working on Cisco IP phones 7940, 7960,7975,8961,9951, 9971, dx650, Cisco Cius. Voice messaging, Unified Messaging, Auto Attendant, CUPS, Cisco Jabber, Cisco VCS Control and Expressway, WebEx, CCX Agents, Cisco UCS B and C Series Servers, VSphere 5.X. 2. Routing OSPF- Single Area. Multi-Area. Virtual Link. Authentication. Redistribution. Summarization, EIGRP, RIP, Working on Cisco, 2800, 2900 and 3800 series routers. 收起
雇用 Waqaschudhry
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9 years of experience in the IT and technical industry. I worked with Dell Technologies as a technical support for 6 years and 3 years of experience in a global IT service desk.9 years of experience in the IT and technical industry. I worked with Dell Technologies as a technical support for 6 years and 3 years of experience in a global IT service desk. 收起
雇用 JohnGaboni
