Freelancers Untuk Dipekerjakan - Halaman 2
Menampilkan 802 hasil
Freelancer yang didanai
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I am an experienced C/C++/C# (.NET)/Python/Java/Fortran 90 programmer. I specialize in the development of high performance cryptographic implementations , deep neural networks, desktop application development (both GUI and terminal applications), graphics programming with SDL 2.0 or SFML and OpenGL, network...I am an experienced C/C++/C# (.NET)/Python/Java/Fortran 90 programmer. I specialize in the development of high performance cryptographic implementations , deep neural networks, desktop application development (both GUI and terminal applications), graphics programming with SDL 2.0 or SFML and OpenGL, network programming using sockets (both BSD sockets and WinSock), multi threading, system security enhancing applications and writing operating system level code for both Windows and Linux operating systems. I am deeply familiar with the Windows API as well as POSIX API, and I have extensive experience working with intricate projects that use the OpenSSL libraries, libAV (core libraries of ffmpeg), libcurl, GMP and many more! I prefer developing cross-platform code and I also have experience in using MPI (Message Passing Interface) via OpenMPI for distributed computing. I love writing efficient, elegant and portable code, that works in the most efficient way possible. I am also a fluent speaker and writer of the English language. If I take up a project, be assured that it will be done with the utmost level of perfection that will make your heart content! Please check out the heartfelt reviews from my clients to understand more about me. I hope to work with you and manifest success in your challenging projects. Thankyou very much for checking out my profile! May God Bless You :) kurang
Rekrut aravinda333
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I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise...I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise extends to a wide range of Linux systems, and I am well-versed in handling various distributions, ensuring their stability, security, and performance. I have a proven track record of successfully deploying web applications, guaranteeing smooth and reliable online experiences for users. One of my core strengths lies in managing system updates and applying security patches promptly, reducing vulnerabilities and minimizing downtime. My commitment to network security is unwavering, and I implement robust measures to protect data and maintain the integrity of systems. Furthermore, my proficiency in Cisco networking solutions allows me to design, configure, and troubleshoot complex network infrastructures, ensuring seamless connectivity and optimal performance. Additionally, I have a solid understanding of HPE (Hewlett Packard Enterprise) equipment, enabling me to efficiently manage and maintain these devices to meet organizational needs. With my extensive knowledge, practical experience, and dedication to staying updated with the latest industry trends, I am well-equipped to contribute significantly to any organization's IT operations, ensuring they run smoothly, securely, and efficiently. kurang
Rekrut rupa37
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abusayed2004 abusayed2004
$40 USD / jam
Asterisk PBX, SIP, Linux, Cloud, DevOps, SecurityBangladeshI 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. kurang
Rekrut abusayed2004
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Hello, I have 13 years of experience in Information Technology and I have always been working in the cloud, infrastructure and DevOps areas. I've been working with infra as code, automation, docker, kubernetes, terraform, among other technologies, just as I've always been working with databases (Postgres, MySQL,...Hello, I have 13 years of experience in Information Technology and I have always been working in the cloud, infrastructure and DevOps areas. I've been working with infra as code, automation, docker, kubernetes, terraform, among other technologies, just as I've always been working with databases (Postgres, MySQL, mongodb) and the main cloud providers (AWS, Google Cloud, Azure, Digital Ocean). I am available to work immediately. kurang
Rekrut pedro002
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✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean ✅VMware ESXi, VMware Workstation, VirtualBox, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration (Windows Server 2008, 2012, 2016, etc.), Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python kurang
Rekrut touhidecevw
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ClearPoint ClearPoint
$95 USD / jam
Critical Emergency?TOP RATED + WP/PHP/MySQL/ServerUnited StatesHi, Everyone. I am a Top Rated Plus freelancer. Are you in tough times? You've got solution. In the past 15years, as a system admin(linux/windows/apach/nginx expert) experienced in PHP(OOP conceptions), I have been working vast type of challenging tech projects and have been fixing 1800 websits php error free and...Hi, Everyone. I am a Top Rated Plus freelancer. Are you in tough times? You've got solution. In the past 15years, as a system admin(linux/windows/apach/nginx expert) experienced in PHP(OOP conceptions), I have been working vast type of challenging tech projects and have been fixing 1800 websits php error free and maintaining client websites. （￣︶￣）↗ No matter if… ✅ You broke your site due to server issues ✅ If you hired a less experienced developer to work on your site and they broke your site ✅ Something horrible happened and your site is down ✅ Your site was hacked. ✅ Do you want to improve Design and functionalities with your website? ❁´◡`❁ WHY CHOOSE ME OVER OTHER FREELANCERS ?❁´◡`❁ ✅Immediate and perfect solution : I consistently provide immediate and flawless solutions by closely auditing PHP syntax and monitoring server status to stay on top of any issues. ✅Responsibility : I take responsibility for any issues arising from the same reasons, and I provide solutions free of charge to ensure your satisfaction. ✅Responsiveness : I maintain an extremely responsive approach, ensuring instant responses and keeping all lines of communication readily open with clients. ❁´◡`❁ My customers said: -I would definitely hire Adam again & I definitely intend to hire him on future upcoming projects. Adam is no joke with tech ability & knowledge, and really knows his stuff!!! He was very responsive from the moment that I posted my ad for the work I needed. He started right away and hammered it out. I am very happy with the work and time frame that it was completed on the same day. Hire Adam for your tech work if he says he can do it, then trust it will be done correctly, quickly, and efficently. - He was great very knowledgeable in the process and our needs. He was absolutely outstanding!! For sure a great hire for any help you in AWS systems. - Adam is truly a master at fixing any technical Wordpress issues. Multiple pages on my site were not working, he backed my site up so I didn't loose a tremendous investment in my site. He completed the work extremely quickly. I will be using him again for all future projects. Look no further for an honest and professional Wordpress expert. Thank you for reviewing my profile. Adam Levinson kurang
Rekrut ClearPoint
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tojisb059 tojisb059
$50 USD / jam
Web Design & Development | PHP/Wordpress/ Code Igniter | Graphics | SEO/SEM Expert | DB/Server AdminPakistanI am Results Oriented Professional Web developer having Extensive Experience in all the Stages of Design, Development and Maintenance of Websites involved skills Web Design, Graphic Design, CMS, PHP, HTML, CSS, MySql, Responsive, Speed Optimizations, customizations(Front & Back End) and Integration. Detail...I am Results Oriented Professional Web developer having Extensive Experience in all the Stages of Design, Development and Maintenance of Websites involved skills Web Design, Graphic Design, CMS, PHP, HTML, CSS, MySql, Responsive, Speed Optimizations, customizations(Front & Back End) and Integration. Detail Oriented SEO Analyst, keeping up to date on any SEO changes by the major Search Engines & can Develop and Implement innovative SEO strategies to boost Traffic and Performance. Experienced in Keyword and Market Rank Research, SEO content Development, and Marketing content coordination. Specializes in public service Blogs and E-commerce Websites. A Server Administrator with extensive analytical and software experience of investigating, diagnosing and Troubleshooting of Linux and Windows Servers. WHY ME? I know the importance of on-line Business and assure prompt Response, 24/7 Availability, On time Delivery, Fast Turn Around, Unlimited Revisions and excellent communication skills. kurang
Rekrut tojisb059
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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. kurang
Rekrut android2014213
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mahrusnetworking mahrusnetworking
$25 USD / jam
Network Engineer and Cybersecurity SpecialistIndonesiaAs an IT Expert with a diverse skill set, I bring a wealth of expertise and knowledge to the table, specializing in Network Infrastructure, Cybersecurity, Python Development, and System Administration. My qualifications include: Network Management: Cisco CCNP Juniper JNCIS-Security Juniper JNCIS-Enterprise Fortinet...As an IT Expert with a diverse skill set, I bring a wealth of expertise and knowledge to the table, specializing in Network Infrastructure, Cybersecurity, Python Development, and System Administration. My qualifications include: Network Management: Cisco CCNP Juniper JNCIS-Security Juniper JNCIS-Enterprise Fortinet NSE 7 Security Blue Team Level 1 Mikrotik MTCINE Certified Ethical Hacking (CEH) OSCP I have a background in Digital Forensics and Incident Response (DFIR) and am experienced as a Threat Hunter. My keen eye for detecting and analyzing complex security incidents, attention to detail, and analytical skills make me a valuable asset to any organization looking to enhance its security posture and defend against potential threats. System Administration: With a solid foundation in System Administration, I have the expertise to manage and optimize your IT infrastructure, ensuring it runs smoothly and efficiently. kurang
Rekrut mahrusnetworking
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I have over ten years of experience in web development and experience with different programming languages, technologies, and databases with a concentration on back-end programming. Services: ✓ Design, develop and maintain new websites or web apps ✓ Add new features, Debug, and support your existing website or web...I have over ten years of experience in web development and experience with different programming languages, technologies, and databases with a concentration on back-end programming. Services: ✓ Design, develop and maintain new websites or web apps ✓ Add new features, Debug, and support your existing website or web apps ✓ Refactor legacy codes and improve your service performance ✓ R&D to find the best solution for your needs Experiences: ✓ PHP, Laravel, Symfony, Wordpress, Joomla, XDebug ✓ Java, Spring, Struts, EJB, J2ME, Swing ✓ MySQL, MariaDB, Oracle, MongoDB, SQLite ✓ HTML5, CSS3, Javascript, Ajax, jQuery, Bootstrap, Angular, Vue ✓ Apache, NGINX, Apache Tomcat, JBoss kurang
Rekrut techriverr
