Freelancers For Hire
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Sponsored Freelancers
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10 years sysadmin + 5 years backend developer + 2 years full-time freelancer. And I am looking for long-term collaborations. Some of technologies I work on: - AWS, AWS Outposts, Azure, Azure Stack Edge, Azure Stack Hub, Oracle Cloud (OCI). - Proxmox Virtual Environment using QEMU/KVM, Ceph storage cluster. I used...10 years sysadmin + 5 years backend developer + 2 years full-time freelancer. And I am looking for long-term collaborations. Some of technologies I work on: - AWS, AWS Outposts, Azure, Azure Stack Edge, Azure Stack Hub, Oracle Cloud (OCI). - Proxmox Virtual Environment using QEMU/KVM, Ceph storage cluster. I used to setup and manage a Telco data center with hundreds of vCPU, 8 TB of memory and 3.5 PB storage capacity. - Unix/Linux system admin. - Golang, Python, Bash, Ruby, Lua, C/C++ programming languages. - Network stuffs on Cisco, Juniper and HP devices with DNS, DHCP, LACP, MLAG, VRF, VPN (IPSec, Wireguard, L2TP, OpenVPN). - Docker, Docker Swarm, Kubernetes, CNI, PVC. - MySQL, Oracle, Cassandra, Redis, MongoDB databases. - GSM with Dialogic TX 5000 Series Boards and SS7 protocols (use in Telecommunications). less
Hire hainh
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Hello! I'm Vikas, a senior software engineer with four years of experience in the IT field. During my career, I've gained expertise in various domains and technologies. Here's what I can offer: ⁃ Back-end Development: I specialize in building robust backends using NodeJS, PHP, Java and Python. ⁃ Cross-platform App...Hello! I'm Vikas, a senior software engineer with four years of experience in the IT field. During my career, I've gained expertise in various domains and technologies. Here's what I can offer: ⁃ Back-end Development: I specialize in building robust backends using NodeJS, PHP, Java and Python. ⁃ Cross-platform App Development: I have hands-on experience in developing cross-platform applications using React Native. ⁃ Desktop Application Development: I am skilled in creating desktop applications using ElectronJS, providing efficient and user-friendly experiences across different operating systems. ⁃ Web Scraping: I possess a strong knowledge of web scraping involving complex cases like captcha bypassing, Rate Limiting, and WAF Bypassing. I excel at extracting valuable data from websites, providing insights, and automating processes. ⁃ App Scraping: I am skilled in scraping data from mobile applications, enabling you to harness valuable information and optimize your business operations. ⁃ Cloud Computing: I have extensive experience with AWS server administration and billing. I have successfully managed AWS infrastructure, optimizing performance and ensuring secure and scalable solutions. Additionally, I am well-versed in optimizing costs and managing billing for AWS services. With a diverse skill set and a passion for problem-solving, I am confident in taking on new and challenging projects. Whether you need assistance with back-end development, cross-platform apps, desktop applications, web scraping, captcha bypassing, or AWS cloud computing, I am ready to help. Thank you for considering my profile, and I look forward to working with you. less
Hire vikasg603
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** Good experience with automation and development ** ** Reliability, Responsible, Hardworking and long term relationship ** Skill Set: @Scripting - Power Shell - Batch scripting - Linux and Unix Shell Script - Power Shell Rest API Method - JSON - VBA Macro - Maptalk, leaflet and other mapping tools - OSM / Google...** Good experience with automation and development ** ** Reliability, Responsible, Hardworking and long term relationship ** Skill Set: @Scripting - Power Shell - Batch scripting - Linux and Unix Shell Script - Power Shell Rest API Method - JSON - VBA Macro - Maptalk, leaflet and other mapping tools - OSM / Google MAP (longitude, latitude mapping technique) - Traccar implementation - Excel pivot table, macro, charts, formulas @ Quickbooks - API - QBO Integration - Create invoice, Vendor Credit, Bills and Download Invoice PDF through API call from external applications. @HubSpot API - Contacts, Owner, Engagements and set of data Objects @Web Technologies - IIS - Apache and tomcat - SSL @Development - PHP, Mysql, CSS and HTML - DevOps Concepts - Influxdb - Google API - Quickbooks API - Stripe API - Crystal Report @Monitoring & Scheduling - Nagios - Autosys - Control–M @ Magento - Magento Installation and configuration less
Hire goodwork20k
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I have experience about - Network admin, Firewall, VPN SSL, OpenVPN... - Linux: CentOS, NoMachine, FTP, SVN server, Shell script - Windows desktop, PowerShell, Software - MS Office 365: SharePoint, Teams, Exchange, Power Automate, Outlook... - Azure: Azure Information Protection, Conditional Access, SSO, Hybrid Azure...I have experience about - Network admin, Firewall, VPN SSL, OpenVPN... - Linux: CentOS, NoMachine, FTP, SVN server, Shell script - Windows desktop, PowerShell, Software - MS Office 365: SharePoint, Teams, Exchange, Power Automate, Outlook... - Azure: Azure Information Protection, Conditional Access, SSO, Hybrid Azure AD, Intune management, Azure VMs.. - Windows server: Active Directory, Domain controller, GPO, DHCP, DNS, SQL server... - VMware, Virtual Desktop, Hyper-V - Programming language: C/C++/PowerShell/Python/C# - Email server, VPS - Helpdesk support: PC, printer, troubleshoot problem... less
Hire hieuhoang117
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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. less
Hire android2014213
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I have done BS honor in computer science. I am DevOps engineer with 10+ years of experience and can work on Python, Game Development, Electric Engineering Task 3D Work, Android, and IOS applications. I have complete know-how about all the latest technologies, PHP, C #, other programming languages and software...I have done BS honor in computer science. I am DevOps engineer with 10+ years of experience and can work on Python, Game Development, Electric Engineering Task 3D Work, Android, and IOS applications. I have complete know-how about all the latest technologies, PHP, C #, other programming languages and software programs. I'm available for: - Docker, Docker Compose - Kubernetes - AWS EC2, EBS, Lambda, RDS, S3, EKS, Aurora, Code Pipelines - GCP - CI/CD - Github Actions, GitLab, CircleCI, Tekton, Azure DevOps - IAC - Terraform, Pulumi Linux/Windows Server Management ✔ -MS Visio Diagrams ✔ -Client support ✔ -Web Development ✔ -WP development ✔ - VMware ESXi ✔ - VMware vSphere ✔ - VMware vCenter Server ✔ - VMware NSX ✔ - Microsoft Windows Infrastructure administration and support ✔ - Microsoft Windows Server administration, configuration, and tech support ✔ - Microsoft Azure ✔ - Active Directory Domain Services (AD DS) ✔ - DNS ✔ - DHCP ✔ - Windows Deployment Services (WDS) ✔ - Windows Server Update Services (WSUS) ✔ - Group Policy ✔ - Cloud Migration ✔ - AWS ✔ - VPS ✔ - Networking ✔ - Security ✔ - Veeam Availability Suite ✔ - Vembu BDR Suite ✔ - Nakivo Backup & Replication ✔ - Symantec Endpoint Security ✔ - GFI Endpoint Security• Matlab, Electronics Looking forward less
Hire hsh564cf84accd96
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abusayed2004 abusayed2004
$40 USD / hour
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. less
Hire abusayed2004
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Hello, this is Martin, Software Engineer. I work every day as a Python developer, I am a real specialist and Senior developer for backend applications. But I am not limited to that exclusively. I have many relevant skills to assist and help you. Since 2012 in this business has made me learn and sharpen my skills...Hello, this is Martin, Software Engineer. I work every day as a Python developer, I am a real specialist and Senior developer for backend applications. But I am not limited to that exclusively. I have many relevant skills to assist and help you. Since 2012 in this business has made me learn and sharpen my skills in the fields: ● Linux server administrator ● Django web applications ● Raspberry (software and hardware integration) ● Arduino programs ● Hardware automation ● Web development ● APIs (Creation and consumption) ● Databases management Cases that I love to work with: ● Python applications to automate any kind of process ● APIs creation to be used in the front end ● Raspberry solutions ● Hardware integration, even if it is not well-known hardware ● Electronic implementations to guarantee the accuracy of sensible procedures I use the newest and most advanced up to date languages and frameworks, including Python, Django, RestFramework, and many others, so I can guarantee that there is no lack of quality in my work. My most valuable service is related to post support. I don't disappear after delivering my work, I will stay with you until you are completely happy. Bringing you free support for any issue related to my code, that's the guarantee I offer to my clients. I will be here to assist you anytime, waiting for your feedback. Thanks for taking the time to review my profile. Kind regards. less
Hire martini002
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For more than ten years, I have worked with a wide range of programming languages and technology stacks, leveraging this expertise to assist clients in addressing their diverse needs. I have tackled everything from simple issues to highly complex, specialized challenges requiring deep domain knowledge. Regardless of...For more than ten years, I have worked with a wide range of programming languages and technology stacks, leveraging this expertise to assist clients in addressing their diverse needs. I have tackled everything from simple issues to highly complex, specialized challenges requiring deep domain knowledge. Regardless of the complexity of the problem, my focus is always on delivering customized, tailored solutions that meet the unique requirements of each client. less
Hire endiansign
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C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome.C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome. less
Hire kaloyan13
