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Mostrando 107 resultados
Freelancers Patrocinados
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I am a network administrator with a degree in Information Security, bringing nearly 20 years of experience in computer networks, virtualized environments, and Linux systems. My expertise spans a wide range of technologies, from VPN and security configurations to network virtualization, cloud infrastructure, and IT...I am a network administrator with a degree in Information Security, bringing nearly 20 years of experience in computer networks, virtualized environments, and Linux systems. My expertise spans a wide range of technologies, from VPN and security configurations to network virtualization, cloud infrastructure, and IT service operations. My Specialties: Designing and implementing medium and large-scale enterprise networks to ensure scalability, security, and optimal performance. Expertise in pfSense and OPNsense for firewall, VPN, L2TP, IPSec, DHCP, DNS, NAT, and other network services. Proficient in WireGuard VPN for secure, high-performance connections in diverse environments. In-depth knowledge of XCP-NG and Proxmox VE for virtualization, container management, and cloud infrastructure. Extensive experience with Oracle Linux, ensuring stable and secure enterprise Linux environments. Skilled in FreePBX (VOIP) and IVR (Interactive Voice Response) solutions for scalable voice services. Advanced understanding of switching technologies, including VLANs, TRUNK, LACP, and other essential network protocols. Integration and management of Kimai time tracking system for accurate activity billing and productivity monitoring. Implementation and customization of Zammad helpdesk system for streamlined support and ticketing workflows. Configuration and deployment of Ubiquiti equipment (UniFi, EdgeRouter, airMAX, UISP) for reliable wireless backhauls, point-to-point links, and enterprise-grade Wi-Fi solutions. Skills and Hands-on Experience: Proficient in working with Cisco routers and switches, ensuring high availability and network optimization. Experience with Synology NAS for network storage solutions. Expertise in AWS Lightsail, including cost optimization for EC2, Route53, RDS, VPC, Gateway, Load Balancer, and VPN setup. Oracle Cloud Infrastructure (OCI): Deployment and management of compute instances, VCNs, subnets, Internet Gateways, routing, security lists, and firewall policies, enabling secure, high-performance cloud-based infrastructures. Strong capabilities in network documentation to provide detailed, accurate infrastructure layouts for management and troubleshooting. menos
Contratar itazedo
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. menos
Contratar AwaisChaudhry
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Rede de Administração, Linux, Amazon Web Services, Administrador do Sistema, Arquitetura de softwareI am ready to start work on your Asterisk PBX jobs. I hold the related experience necessary and also have an excellent capability to handle this skillful job. In my time I have worked as a Asterisk PBX Developer and as a BSD Expert. I also have strong skills in the areas of C Programming, C++ Programming and have also...I am ready to start work on your Asterisk PBX jobs. I hold the related experience necessary and also have an excellent capability to handle this skillful job. In my time I have worked as a Asterisk PBX Developer and as a BSD Expert. I also have strong skills in the areas of C Programming, C++ Programming and have also worked as a Cisco Engineer. I have the experience and skills required for your projects and am ready to be hired by you. menos
Contratar nolk
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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. menos
Contratar rupa37
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Welcome! I am here to help you. Which project is in your mind? Do you need to update your project? Let me know what you are thinking. I am an experienced and seasoned full-stack developer. ✅ Eager to leverage my skills in a collaborative team environment or individual projects. Looking forward working with you.Welcome! I am here to help you. Which project is in your mind? Do you need to update your project? Let me know what you are thinking. I am an experienced and seasoned full-stack developer. ✅ Eager to leverage my skills in a collaborative team environment or individual projects. Looking forward working with you. menos
Contratar fighter6869
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abusayed2004 abusayed2004
$50 Dólares / hora
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. menos
Contratar abusayed2004
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iosifpeterfi iosifpeterfi
$64 Dólares / hora
Systems Architect, Software Engineer, DeveloperGermanySenior 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 menos
Contratar iosifpeterfi
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kumarashish99 kumarashish99
$30 Dólares / hora
2x AWS Certified | DevOps | Azure | Linux | GCPIndiaI am an AWS-certified professional with over 5 years of experience specializing in backend development, DevOps engineering, and Kubernetes orchestration. My expertise lies in building scalable, secure, and efficient cloud infrastructures while integrating advanced AI/ML solutions to enhance business outcomes. ☞...I am an AWS-certified professional with over 5 years of experience specializing in backend development, DevOps engineering, and Kubernetes orchestration. My expertise lies in building scalable, secure, and efficient cloud infrastructures while integrating advanced AI/ML solutions to enhance business outcomes. ☞ Backend Development: Proficient in Node.js, Python, and PHP with hands-on experience in building serverless and containerized applications using frameworks like Serverless Framework, SAM, and SST. ☞ DevOps Expertise: Skilled in designing CI/CD pipelines, implementing Infrastructure as Code (Terraform, CloudFormation), and automating deployment workflows for high-traffic applications. ☞ Kubernetes Specialist: Extensive experience in deploying, managing, and scaling containerized applications on Kubernetes platforms like AWS EKS, GCP GKE, and Azure AKS. ☞ Security & Compliance: Strong knowledge of securing infrastructure and achieving compliance with frameworks like HIPAA, PCI-DSS, GDPR, and ISO standards. ☞ AI/ML Integration: Experience in integrating AWS AI/ML services such as Textract, Comprehend, Kendra, and Rekognition into applications for intelligent automation. Certifications: AWS Certified Solutions Architect – Associate AWS Certified Practitioner Toolkit: AWS, Terraform, Docker, Kubernetes, Jenkins, GitLab CI/CD, Python, Node.js, PHP, MySQL, PostgreSQL ..... Monitoring Tools: Prometheus, Grafana, New Relic menos
Contratar kumarashish99
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rashidamjad rashidamjad
$25 Dólares / hora
Web | Apps | Blockchain| AI/ML | Devop | PCB | PLCPakistanWith over 5 years of hands-on experience, we are a seasoned full-stack development team, verified by Freelancer.com. Leveraging a diverse team of certified experts proficient in nearly every IT skill imaginable, we offer a wide range of IT solutions to cater to all your digital needs. Web Development: Experts in...With over 5 years of hands-on experience, we are a seasoned full-stack development team, verified by Freelancer.com. Leveraging a diverse team of certified experts proficient in nearly every IT skill imaginable, we offer a wide range of IT solutions to cater to all your digital needs. Web Development: Experts in HTML, CSS, WordPress, WIX, PHP, JavaScript (MEAN+MERN), React.js, Angular, and more. We excel in CMS, RESTful APIs, and cloud technologies. Mobile App Development: Proficient in Flutter, Android (Kotlin/Java), and iOS (Swift/Swift UI/Obj-C). We handle NFC, geolocation, and payment integration with ease. Database Development: Skilled in both SQL (Teradata, Oracle, MSSQL, MySQL) and NoSQL (MongoDB, Cassandra, Hive). We utilize Metabases for powerful insights. -Desktop Programming: Versed in Java, Swift, JavaScript, Python, C#, and more for desktop solutions. Blockchain: Our forte includes crypto exchanges, Dapp development, and ICOs on Ethereum, Solana, Polygon, and more. Cloud & DevOps: We manage AWS, Azure, Google Cloud, and employ DevOps tools for seamless deployments. AI & Machine Learning: Experts in Computer Vision, OCR, Machine Learning, and more, leveraging Google Cloud Platform, OpenCV, TensorFlow, and AI architectures. Game Development: We create captivating games using WebGL, HTML5, Unity3D, 3ds Max, and Unreal Engine. E-commerce: Crafting E-commerce Websites, mastering WordPress WooCommerce, and streamlining payment integration. Telephony: Proficient with Twilio, VoIP, SIP, Asterisk, FreePbx, and Free Switch for call center solutions. Trading Solutions: We excel in Sierra Chart, Pine Script, Thinkorswim, and various trading APIs. Hardware & Electronics: Skilled in Arduino, Raspberry Pi, and ESP32, with expertise in PLC and SCADA systems for automation and control solutions. menos
Contratar rashidamjad
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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 menos
Contratar servermaster
