Linux Developers For Hire
Showing 536 results
Sponsored Freelancers
-
Thank you for checking out my profile first. I'm a FULL-STACK developer with over 8 years of experience in website and mobile app development. ❇️ MY MAIN EXPERTISE INCLUDES ❇️ ➡️FRONTEND ➔ Angular JS, React, Vue.js, Express.js, PSD, HTML, CSS, Bootstrap ➡️BACKEND ➔ PHP, NodeJS, Laravel, Cakephp, Codeigniter ➡️CMS ➔...Thank you for checking out my profile first. I'm a FULL-STACK developer with over 8 years of experience in website and mobile app development. ❇️ MY MAIN EXPERTISE INCLUDES ❇️ ➡️FRONTEND ➔ Angular JS, React, Vue.js, Express.js, PSD, HTML, CSS, Bootstrap ➡️BACKEND ➔ PHP, NodeJS, Laravel, Cakephp, Codeigniter ➡️CMS ➔ WordPress ➡️DB ➔ MySQL, MongoDB ➡️Python ➔ Django, Flask, Scrapping, Scripting, Odoo, Pandas, Data Analysis, Trading Script (Pinescript) ➡️Mobility ➔ iOS & Android (Flutter, Kotlin, React Native) ➡️Shop ➔ Shopify (Liquid), Woocommerce ➡️AI & ML Tools ➔ GPT-3.5/4, OpenAI, LangChain, Whisper, ElevenLabs, Huggingface, Stable Diffusion, TensorFlow, Pandas, NumPy, and chatbot development (text + voice). ➡️Automation & Integration ➔ Web scraping, workflow automation, API integration, Airtable, Notion, Google Sheets, FastAPI, and trading bots (Pine Script). ➡️Servers ➔ Dedicated, Shared, VPS, Private Servers ➡️Marketing ➔ SEO + DIGITAL MARKETING ➡️Design ➔ UI / UX Design, Photoshop, Adobe XD, Figma, Sketch, InVision ➡️Game ➔ UNITY 2D / 3D ❇️ WHAT YOU CAN EXPECT ❇️ ➔ Daily Communication With Quick Replies To Messages ➔ Daily Work Update Report On Worked Things Of That Day ➔ Bug-Free Work With Proper Testing As I Know That Client Is Not Tester ➔ Guaranteed Work ➔ Ongoing Support As Needed Bases Sounds interesting? Let's have a quick Freelancer call/chat to discuss your project. less
Hire ajaynpaladiya
-
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive less
Hire iosifpeterfi
-
I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. I am online from UTC/GMT 03:00 to 07:00 and 16:00 to 20:30. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS -...I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. I am online from UTC/GMT 03:00 to 07:00 and 16:00 to 20:30. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS - OpenVZ/KVM/Xen/Hyper-V/SolusVM/ProxMox * Docker/RancherOS * Linux/Cpanel Server Setup * Server Security - csf/maldet * PHP - Script Installation/Custom coding/Laravel * Ffmpeg/Youtube Clone installation * WHMCS Installation * Windows server setup Listed on FreeLancer Security Hall Of Fame - Yujin Boby (@serverokin) https://www.freelancer.com/about/security/hall-of-fame less
Hire ServerOK
-
abusayed2004 abusayed2004
$50 USD / hour
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI am currently seeking long-term remote and on-site job opportunities. With 15 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 customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 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 customisation. 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: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - 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
-
About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With...About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With me, it is easy to set up systems. I am not picky about what systems to use, but I do have experience with what to use. I know the following operating systems + distros: Debian, Ubuntu, Gentoo, SUSE, Red Hat, CentOS, Rocky Linux, AlmaLinux, Arch Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, plus MS Windows servers I also know the following systems: * Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. * Java web servers: Tomcat, Jrun, JBoss * Javascript: Node.js, npm * Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL * Mail systems: Postfix, Exim, Dovecot, and implementing DKIM, SPF, MX, and DMARC * Monitoring systems: Nagios, Zabbix, Cacti, Grafana * SMS: SMSC, Kannel * DNS: Bind, Djbdns, Dnsmasq. * VPS: VMware, Hyper-V, Proxmox, bhyve, KVM, Xen, OpenStack... * Containers: Docker, Podman, LXC, jail, Kubernetes * High Computing: OpenHPC, SLURM, MPI, and related * Cloud providers: AWS, DigitalOcean, Azure… I troubleshoot easily My knowledge does not stop here. Let's chat Please see my reviews of my previous works PS! As bonus, with my bid, you will get one week of free support for work done less
Hire servermaster
-
KedarInfoLondon KedarInfoLondon
$25 USD / hour
Highly Recommended ⭐ TOP 1% ⭐ Verified by FL StaffIndiaHi, We are full-stack developers here on Freelancer. We've worked on everything from frontend to backend to middleware, building applications, and solutions that have allowed my clients to put out the best possible web products possible. We are fluent and experienced in a number of different languages, technologies,...Hi, We are full-stack developers here on Freelancer. We've worked on everything from frontend to backend to middleware, building applications, and solutions that have allowed my clients to put out the best possible web products possible. We are fluent and experienced in a number of different languages, technologies, and frameworks, including (but not limited to): o Magento o Power BI o Data analysis o UI/UX design o SEO o Android/iOS o Javascript o Kotlin o Angular o Odoo o PHP o Node.js o REST API Development o RabbitMQ o Wordpress o HTML o CSS o GitHub o BitBucket This is not a full list, so please feel free to reach out about any software or language needs your project specs to require. With my team of 30, I've created some wonderful projects, including a fully-developed website for a Jewellery store client and a Bitcoin project that required full-scope functionality (wallet, trading, withdrawals, etc.). We've worked with some fantastic clients and have developed a wonderful amount of knowledge and expertise through them. If you're interested in working with my team and I, please reach out! We're always quick to respond and are available 24/7, and can't wait to work with you! less
Hire KedarInfoLondon
-
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 <b> HPE (Hewlett Packard Enterprise) </b>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. less
Hire rupa37
-
Certified Server & Cloud Professional Architect with more than 15 years of solid expertise. I have Devops, AWS Cloud, Oracle Cloud, AZURE, Google Cloud, Linux, UNIX, Vmware, Openstack, Oracle Apps, DB and Windows Services expertise. Expertise on setup/configuration/Architect of Amazon web services(AWS), Oracle...Certified Server & Cloud Professional Architect with more than 15 years of solid expertise. I have Devops, AWS Cloud, Oracle Cloud, AZURE, Google Cloud, Linux, UNIX, Vmware, Openstack, Oracle Apps, DB and Windows Services expertise. Expertise on setup/configuration/Architect of Amazon web services(AWS), Oracle Cloud(OCI), Azure, Google, Digitial Ocean and almost all clouds as well. IT Infrastructure Cost Optimization -- Optimizing infrastructure for peak performance, security and best Cost utilization. IT Support -- Expert in resolution of Server services issues, Cloud issues, Live IT problems troubleshooting and fix with RCA. Migration Services -- Setup, Configuration & Migrations -- Expert in doing all types of server(Linux/Unix & Windows) services migration. Website, Application, Database(Oracle, MySQL, Postgresql, mongodb etc) and Mail migrations like Zimbra, exim Cpanel, Zpanel, Parallels Plesk panel, DNS setup, etc migrations. Network and Security Services -- Designing, implementing, and maintaining the security of network infrastructure. Identify and mitigate security risks, and keeping data and systems safe from cyberattacks. Configure and manage security services such as firewalls, intrusion detection/prevention systems, and endpoint security solutions. Perform penetration testing and vulnerability assessments. Mail Servers Expertise -- Zimbra, Microsoft Exchange, Office 365, Postfix, Exim, Dovecot, iRedMail, Sendmail -- Setup, Configuration, Migration on Enterprise level. Web Hosting Panel - cPanel/WHM, Direct Admin, ISPconfig, Webmin/Virtualmin, CWP, Plesk, Vestacp, Hestia -- Installation/Setup, Configuration, Migration on Enterprise level. Install, Administration & Migrations of WHM/cPanel Servers, Oracle Apex, Nominatim Server, Cacti, Nagios, Zenoss & PHPlist. Devops skills with tools like Jenkins, Ansible, Grafana, Prometheus, Terraform etc. Atlassian products Installation & Configuration like JIRA, JIRA Agile, JIRA Capture, Crowd, Stash, Confluence, Fisheye Bamboo, etc. Proactive infrastructure management for a worry-free future. Certified RHCE/RHCSA/RHCSS RHCVA, Openstack, Oracle Cloud(OCI) Professional & Mirantis Cloud Active Directory, Microsoft Exchange Administration, setup, Migration and Microsoft based server services management. I have a great academic background in Linux and Cloud as well as my experience compliments my studies. *AS AN ENGINEER, I CAN SAY NOTHING IS IMPOSSIBLE TO IMPLEMENT. FEEL FREE TO CONTACT ME ANYTIME* In addition to this, I look forward to working on your projects in your budget. less
Hire amiteshojha
-
Certified AWS Architect & DevOps Engineer 15+ years of experience in designing, implementing, and optimizing cloud-based solutions with a strong focus on automation, scalability, and reliability. Key Highlights: • Expertise in planning and building custom AWS environments tailored to customer needs, ensuring ...Certified AWS Architect & DevOps Engineer 15+ years of experience in designing, implementing, and optimizing cloud-based solutions with a strong focus on automation, scalability, and reliability. Key Highlights: • Expertise in planning and building custom AWS environments tailored to customer needs, ensuring seamless integration and performance. • Skilled in leveraging AWS best practices to deliver secure, scalable, and cost-effective solutions. • Specialized in automation, containerization, and rapid deployments using Terraform, ECS, EKS, Kubernetes, Argo CD, AWS CodePipeline, and Jenkins pipelines. • Experienced in multi-cloud environments, including AWS, Google Cloud Platform, Microsoft Azure, Digital Ocean, and GoDaddy. • Adept at collaborating with customers to address issues, provide solutions, and ensure satisfaction. Core Competencies: • CI/CD Pipelines: Expertise in Jenkins, Argo CD, AWS CodePipeline, GitLab CI/CD, and Bitbucket Pipelines for continuous integration and deployment. • Version Control: Proficient in Git, Bitbucket, GitHub, and AWS CodeCommit. • Infrastructure as Code (IaC): Skilled in Terraform for automating infrastructure provisioning. • Containerization & Orchestration: Hands-on experience with Docker, Kubernetes, and AWS EKS for containerized application deployment and management. • Monitoring & Alerting: Proficient in Nagios, Datadog, and PagerDuty. • Web Servers: Expertise in Nginx, Apache, httpd, Wildfly, and Tomcat. • Databases: Strong knowledge of MySQL/MariaDB and MongoDB. • Email Services: Experience with Postfix, Amazon SES, and Sendmail. Previous Roles & Responsibilities: • Led system deployment, configuration, and optimization to ensure high availability and performance. • Collaborated with developers and project managers to streamline deployments and improve delivery timelines. • Acted as the single point of contact for IT and support-related incidents, ensuring quick resolution. • Performed advanced Linux debugging and server health monitoring to maintain system stability. • Optimized internal infrastructure to enhance efficiency and reduce costs. Specialized in Multi-Cloud Environments: • AWS: Deep expertise in EC2, S3, RDS, Lambda, CloudFormation, EKS, CodePipeline, and more. • Google Cloud Platform (GCP): Experience in deploying and managing workloads. • Microsoft Azure: Familiarity with Azure services for cloud-based solutions. • Digital Ocean & Linode: Hands-on experience with smaller cloud providers for cost-effective solutions. Additional Skills: • Strong focus on security and compliance, ensuring adherence to industry standards. • Experience in disaster recovery planning and backup strategies for business continuity. • Skilled in cost optimization for cloud resources, reducing expenses while maintaining performance. • Passionate about mentoring and knowledge sharing, helping teams adopt DevOps practices effectively. less
Hire sahilcomputers39
-
👋 Hi, I’m Sarath K 🚀 Senior Linux System Administrator & DevOps Engineer Trusted by startups, SaaS founders, agencies, and enterprises worldwide 🌍 With 10+ years of hands-on experience, I help businesses deploy, fix, migrate, secure, and optimize production servers — fast, clean, and without downtime. 🔥 Clients...👋 Hi, I’m Sarath K 🚀 Senior Linux System Administrator & DevOps Engineer Trusted by startups, SaaS founders, agencies, and enterprises worldwide 🌍 With 10+ years of hands-on experience, I help businesses deploy, fix, migrate, secure, and optimize production servers — fast, clean, and without downtime. 🔥 Clients Hire Me When: 🚨 Their server is down or unstable 📧 Emails are failing or landing in spam ☁️ Cloud setups are misconfigured 🧩 Previous developers couldn’t fix the issue ⚡ They need urgent, expert-level help 👉 And I deliver — often within minutes or hours, not days. 🏆 What I Do Best (Proven by 90+ Reviews) 🐧 Linux & Server Administration - Ubuntu, Debian, CentOS, AlmaLinux, Rocky, RedHat - Performance tuning & optimization - Server hardening & monitoring - Malware removal & server recovery - Zero-downtime migrations ☁️ Cloud & DevOps - AWS, Google Cloud, Azure, DigitalOcean, Linode, Hetzner, OVH - EC2, Lightsail, Load Balancers, Firewalls - Docker & Docker Compose - CI/CD & deployment automation - Production-ready cloud setups - Web & App Hosting - Apache, Nginx, LiteSpeed - PHP, Laravel, CodeIgniter, Node.js, Python - React / Next.js deployments - SSL, HTTPS, Reverse Proxies - WebSockets & real-time apps 🗄️ Databases - MySQL, MariaDB, PostgreSQL - Performance tuning & optimization - Database recovery - Backup & restore strategies 📧 Email & DNS (Specialist Area) - Zoho, Google Workspace, Microsoft 365 - Postfix, Dovecot, Zimbra, iRedMail - SPF, DKIM, DMARC (Deliverability Expert) - Cloudflare DNS & security 🎛️ Control Panels - cPanel / WHM, Plesk, DirectAdmin - ISPConfig, CyberPanel, Virtualmin 🏢 Secure multi-tenant hosting environments - Security & Compliance - Server hardening & best practices - OWASP Top 10 mitigation - Firewalls & intrusion prevention - Malware cleanup & prevention - OpenAI & ChatGPT Integration 💬 Why Clients Love Working With Me ✔ ⚡ Extremely fast response ✔ 🗣️ Clear & honest communication ✔ 🧠 Fixes issues others couldn’t ✔ 💪 Goes beyond scope when needed ✔ 🧘 Calm under pressure (production emergencies) ⭐ “Cloudflare support was useless — Sarath fixed everything in 30 minutes.” ⭐ “Best server guy I’ve ever worked with.” ⭐ “Solved in minutes what others couldn’t in weeks.” 📩 Let’s Get Started If you need a reliable expert who gets things done right the first time, send me a message. 🔥 I’m ready to help you now. — Sarath K Linux • DevOps • Cloud • Servers less
Hire sktricks
