Linux Developers k zaměstnání
Zobrazuje 350 výsledků
Sponzorovaní freelanceři
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Hi, I am a Linux System Administrator with over 10 years of expertise in web hosting, and malware remediation. I specialize in deploying, managing, and securing server infrastructures across various cloud platforms, ensuring high availability, performance, and security. Technical Expertise: Operating Systems: ✅...Hi, I am a Linux System Administrator with over 10 years of expertise in web hosting, and malware remediation. I specialize in deploying, managing, and securing server infrastructures across various cloud platforms, ensuring high availability, performance, and security. Technical Expertise: Operating Systems: ✅ Linux Distributions: Debian, Ubuntu, CentOS, RedHat, Fedora, AlmaLinux Cloud Platforms: ✅ AWS, Google Cloud, Azure, Alibaba Cloud, IBM Cloud, OVH, Linode, DigitalOcean, Vultr, Scaleway Web & Application Servers: ✅ Apache, Nginx, LiteSpeed, IIS Databases: ✅ MySQL, MariaDB, PostgreSQL, Amazon Aurora Mail Servers & Systems: ✅ Zimbra, Postfix, Dovecot, iRedMail, Sendmail ERP & CRM Solutions: ✅ Odoo, vTiger, Dolibarr, SugarCRM, SuiteCRM, YetiForce, ERPNext E-Learning & Video Conferencing: ✅ BigBlueButton (BBB), Greenlight, Jitsi Meet, Moodle LMS, Chamilo LMS, Open edX, Scalelite Control Panels & Hosting Management: ✅ cPanel/WHM, DirectAdmin, ISPConfig, Webmin/Virtualmin, CWP, Plesk, VestaCP, HestiaCP CMS & E-Commerce Platforms: ✅ WordPress, Joomla, Drupal, Magento, OpenCart, PrestaShop Development & Web Frameworks: ✅ PHP (Laravel, CodeIgniter, Zend) Cybersecurity & Compliance: ✅ Web Security: OWASP Top 10, Burp Suite, PCI DSS Compliance I am passionate about optimizing server performance, securing web environments, and delivering seamless hosting solutions tailored to business needs. Let's connect and discuss how I can contribute to your projects! Thanks & Regards, Sarath méně
Zaměstnejte uživatele sktricks
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✨ Experienced Software Engineer ✨ With over 15 years of expertise, I specialize in creating custom websites and applications that drive results for businesses of all sizes. My skills span SaaS, microservices, databases, and cloud computing, leveraging leading platforms like AWS and GCP. ✨ What I Offer: ✔ Custom...✨ Experienced Software Engineer ✨ With over 15 years of expertise, I specialize in creating custom websites and applications that drive results for businesses of all sizes. My skills span SaaS, microservices, databases, and cloud computing, leveraging leading platforms like AWS and GCP. ✨ What I Offer: ✔ Custom software solutions tailored to your business needs ✔ Expertise in Golang, PHP, TypeScript, JavaScript, Node.js, and Python ✔ Cloud solutions: Kubernetes, Serverless, AWS, GCP, Azure, DigitalOcean ✔ Scalable backend frameworks: Laravel, Symfony, Express.js, Next.js, Gin, Echo, Fiber ✔ Modern frontend frameworks: Angular, React, Vue ✨ Why Work With Me? ✔ Customer-focused: I prioritize your satisfaction and project success ✔ Reliable delivery: On time and within budget ✔ Post-completion care: Complimentary 15-day support and bug fixes Let’s bring your vision to life! ✨ méně
Zaměstnejte uživatele k1ng440
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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 méně
Zaměstnejte uživatele iosifpeterfi
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About me I have worked over 20 years at IT and telecom companies at 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 OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at 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 OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, 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, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done méně
Zaměstnejte uživatele servermaster
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👋 Welcome! I’m a Senior Full-Stack Developer with 14+ years of experience building scalable, secure, and high-performing applications. With 47 successful projects delivered on Freelancer, I’ve helped startups and enterprises worldwide launch solutions in eCommerce, MLM, live streaming, and AI-driven platforms. 💡...👋 Welcome! I’m a Senior Full-Stack Developer with 14+ years of experience building scalable, secure, and high-performing applications. With 47 successful projects delivered on Freelancer, I’ve helped startups and enterprises worldwide launch solutions in eCommerce, MLM, live streaming, and AI-driven platforms. 💡 What I Offer ✅ Custom Web & Mobile Apps – Laravel, React, Node.js, Flutter, Kotlin ✅ Live Streaming Platforms – apps like Tiki, Tango, TikTalk ✅ WordPress & WooCommerce – custom plugins, themes, eCommerce stores, MLM solutions ✅ Magento & Drupal – extension & theme customization, bug fixing, speed optimization ✅ AI & Python Solutions – Flask, TensorFlow, OCR, automation, data-driven tools ✅ Industries Served ✅ eCommerce & Retail – online stores, marketplaces, custom plugins ✅ Network Marketing (MLM) – smart commission systems, plugins, extensions ✅ Media & Entertainment – live streaming apps, video platforms ✅ Enterprise Solutions – dashboards, workflow automation, data platforms ✅ AI & Data Applications – OCR, predictive analytics, image processing ✅ Tech Stack Languages & Frameworks ✅ PHP (Laravel, YII) ✅ JavaScript (React, Node.js, Angular, Vite.js) ✅ Python (Flask, TensorFlow, Pandas, OpenCV) ✅ Flutter, Kotlin Frontend & Design ✅ HTML5 ✅ CSS3/5 ✅ Tailwind ✅ Responsive UI CMS & eCommerce ✅ WordPress (Plugins, Themes, WooCommerce, WPML, BuddyPress) ✅ Magento (Extensions, Themes) ✅ Drupal (Modules, Themes) Databases & Tools ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Git ✅ Docker ✅ REST APIs ✅ GraphQL ✅ Why Clients Choose Me ✅ 47 completed projects on Freelancer with proven client satisfaction ✅ Pixel-perfect design & clean, well-documented code ✅ Free 1-month maintenance after delivery ✅ Issues resolved within 24 hours max ✅ Strong English communication & dedicated 24/7 support ✅ 14+ years of expertise delivering reliable solutions ✅ Let’s Build Together Whether you need a robust backend, a modern frontend, or a smart AI-powered platform, I bring the skills, experience, and commitment to make your vision a reality. 💬 Message me today — let’s create something impactful that grows your business! méně
Zaměstnejte uživatele letscms
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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 <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. méně
Zaměstnejte uživatele rupa37
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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. méně
Zaměstnejte uživatele amiteshojha
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Digital & Analog Electronics VHDL-Verilog-System verilog Matlab/Simulink Analog and Digital Communications Rust Python C/ C++/C# Micro-controllers Data Structures OOP Qt/ PyQt OpenCV x86 assemblyDigital & Analog Electronics VHDL-Verilog-System verilog Matlab/Simulink Analog and Digital Communications Rust Python C/ C++/C# Micro-controllers Data Structures OOP Qt/ PyQt OpenCV x86 assembly méně
Zaměstnejte uživatele Lightcanon
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Top 1% Freelancer with 8+ years of experience as a Computer Scientist , Full-Stack Engineer and Cloud/Cybersecurity Architect. I deliver end-to-end solutions for high-stakes business problems, from concept to production-ready deployment for global clients. My expertise is not just in one domain : I architect and build...Top 1% Freelancer with 8+ years of experience as a Computer Scientist , Full-Stack Engineer and Cloud/Cybersecurity Architect. I deliver end-to-end solutions for high-stakes business problems, from concept to production-ready deployment for global clients. My expertise is not just in one domain : I architect and build the entire system , the secure infrastructure, the scalable backend, and the polished frontend , ensuring a resilient and high-performance result. Core Competencies & Verifiable Experience: ► Full Stack Product Delivery: I have a proven record of shipping complex applications from scratch. My portfolio includes 5+ live apps, demonstrating expertise in: Complex Business Systems: Architected and built the 70+ page front-end for erpflow.vercel.app (HR, Payroll, CRM). HIPAA-Compliant HealthTech: Built the full-stack healthsync-personalize multi-role management system. Cross-Platform Mobile: Delivered a complete Flutter IPTV app (iOS, Android, Web), handling the full lifecycle. ► Cloud & DevOps Architecture (AWS/GCP/Azure): I design and implement scalable and cost-efficient cloud infrastructure. Complex Cloud-Native Solutions: Architected secure, multi-cloud environments, including a sophisticated project integrating IoT devices (nRF9160) with AWS IoT Core for a New Zealand client. Infrastructure Mastery: Deep, hands-on expertise in Linux (Ubuntu, Red Hat), Virtualization (Virtualbox, VMWare, Proxmox), and Containerization (Docker, Kubernetes) to build efficient, high-performance systems. ► Cybersecurity & GRC Architecture: I build systems that are secure and compliant by design, leveraging a practitioner's understanding of both offense and defense. High-Stakes Incident Response: Successfully defended global clients by neutralizing live DDoS attacks (Australia) and architecting custom IDS/IPS rules (Snort/Suricata) to protect IoT fleets (Malta). Audit & Compliance Readiness: Guided enterprise clients through ISO 27001 & SOC 2 audit preparations. Tech Stack: Security: Wazuh, Elasticsearch Stack , Snort, Metasploit, Nessus , Nmap Cloud: AWS, GCP, Azure, Docker, Kubernetes, Terraform Dev: React, Node.js, TypeScript, Flutter, SQL/MySQL , PostgreSQL, Supabase Services Offered: End-to-End Secure Product Development (Web, Mobile, IoT). Cloud & Security Architecture (AWS, GCP, Azure). GRC & Compliance Automation (ISO 27001, SOC 2). Technical Due Diligence & Pre-Acquisition Audits. High-Stakes Problem Solving & Crisis Response. Let's connect and discuss how I can bring this comprehensive, battle-tested expertise to your most important project. méně
Zaměstnejte uživatele ahmedhassan52
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I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP.I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP. méně
Zaměstnejte uživatele vili1977
